import java.util.*;
import java.util.zip.*;
import java.util.List;
import java.util.regex.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.locks.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.table.*;
import java.io.*;
import java.net.*;
import java.lang.reflect.*;
import java.lang.ref.*;
import java.lang.management.*;
import java.security.*;
import java.security.spec.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.imageio.*;
import java.math.*;
import java.util.*;
import java.io.*;
import java.net.*;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.nio.charset.Charset;
import java.security.KeyStore;
import java.text.SimpleDateFormat;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.zip.GZIPOutputStream;
import javax.net.ssl.*;
class main {
static NanoHTTPD.Response serveFile(File file) {
return serveFile(file, "application/octet-stream");
}
static NanoHTTPD.Response serveFile(File file, String mimeType) { try {
return NanoHTTPD.newFixedLengthResponse(NanoHTTPD.Status.OK, mimeType, newFileInputStream(file), file.length());
} catch (Exception __e) { throw rethrow(__e); } }
static FileInputStream newFileInputStream(File path) throws IOException {
return newFileInputStream(path.getPath());
}
static FileInputStream newFileInputStream(String path) throws IOException {
FileInputStream f = new FileInputStream(path);
_registerIO(f, path, true);
return f;
}
static RuntimeException rethrow(Throwable t) {
if (t instanceof Error)
_handleError((Error) t);
throw t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
}
static RuntimeException rethrow(String msg, Throwable t) {
throw new RuntimeException(msg, t);
}
static void _registerIO(Object object, String path, boolean opened) {
}
static void _handleError(Error e) {
call(javax(), "_handleError", e);
}
static Object call(Object o) {
return callF(o);
}
// varargs assignment fixer for a single string array argument
static Object call(Object o, String method, String[] arg) {
return call(o, method, new Object[] {arg});
}
static Object call(Object o, String method, Object... args) {
//ret call_cached(o, method, args);
return call_withVarargs(o, method, args);
}
static Class javax() {
return getJavaX();
}
static Map<Class, ArrayList<Method>> callF_cache = newDangerousWeakHashMap();
static <A, B> B callF(F1<A, B> f, A a) {
return f == null ? null : f.get(a);
}
static <A> A callF(IF0<A> f) {
return f == null ? null : f.get();
}
static <A> void callF(VF1<A> f, A a) {
if (f != null) f.get(a);
}
static Object callF(Object f, Object... args) {
if (f instanceof String)
return callMCWithVarArgs((String) f, args); // possible SLOWDOWN over callMC
return safeCallF(f, args);
}
static Object safeCallF(Object f, Object... args) {
if (f instanceof Runnable) {
((Runnable) f).run();
return null;
}
if (f == null) return null;
Class c = f.getClass();
ArrayList<Method> methods;
synchronized(callF_cache) {
methods = callF_cache.get(c);
if (methods == null)
methods = callF_makeCache(c);
}
int n = l(methods);
if (n == 0) {
throw fail("No get method in " + getClassName(c));
}
if (n == 1) return invokeMethod(methods.get(0), f, args);
for (int i = 0; i < n; i++) {
Method m = methods.get(i);
if (call_checkArgs(m, args, false))
return invokeMethod(m, f, args);
}
throw fail("No matching get method in " + getClassName(c));
}
// used internally
static ArrayList<Method> callF_makeCache(Class c) {
ArrayList<Method> l = new ArrayList();
Class _c = c;
do {
for (Method m : _c.getDeclaredMethods())
if (m.getName().equals("get")) {
makeAccessible(m);
l.add(m);
}
if (!l.isEmpty()) break;
_c = _c.getSuperclass();
} while (_c != null);
callF_cache.put(c, l);
return l;
}
static Object call_withVarargs(Object o, String method, Object... args) { try {
if (o == null) return null;
if (o instanceof Class) {
Class c = (Class) o;
_MethodCache cache = callOpt_getCache(c);
Method me = cache.findStaticMethod(method, args);
if (me != null)
return invokeMethod(me, null, args);
// try varargs
List<Method> methods = cache.cache.get(method);
if (methods != null) methodSearch: for (Method m : methods) {
{ if (!(m.isVarArgs())) continue; }
{ if (!(isStaticMethod(m))) continue; }
Object[] newArgs = massageArgsForVarArgsCall(m, args);
if (newArgs != null)
return invokeMethod(m, null, newArgs);
}
throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found");
} else {
Class c = o.getClass();
_MethodCache cache = callOpt_getCache(c);
Method me = cache.findMethod(method, args);
if (me != null)
return invokeMethod(me, o, args);
// try varargs
List<Method> methods = cache.cache.get(method);
if (methods != null) methodSearch: for (Method m : methods) {
{ if (!(m.isVarArgs())) continue; }
Object[] newArgs = massageArgsForVarArgsCall(m, args);
if (newArgs != null)
return invokeMethod(m, o, newArgs);
}
throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found");
}
} catch (Exception __e) { throw rethrow(__e); } }
static Class __javax;
static Class getJavaX() { try {
return __javax;
} catch (Exception __e) { throw rethrow(__e); } }
static <A, B> Map<A, B> newDangerousWeakHashMap() {
return _registerDangerousWeakMap(synchroMap(new WeakHashMap()));
}
// initFunction: voidfunc(Map) - is called initially, and after clearing the map
static <A, B> Map<A, B> newDangerousWeakHashMap(Object initFunction) {
return _registerDangerousWeakMap(synchroMap(new WeakHashMap()), initFunction);
}
static Object callMCWithVarArgs(String method, Object... args) {
return call_withVarargs(mc(), method, args);
}
static int l(Object[] a) { return a == null ? 0 : a.length; }
static int l(boolean[] a) { return a == null ? 0 : a.length; }
static int l(byte[] a) { return a == null ? 0 : a.length; }
static int l(short[] a) { return a == null ? 0 : a.length; }
static int l(long[] a) { return a == null ? 0 : a.length; }
static int l(int[] a) { return a == null ? 0 : a.length; }
static int l(float[] a) { return a == null ? 0 : a.length; }
static int l(double[] a) { return a == null ? 0 : a.length; }
static int l(char[] a) { return a == null ? 0 : a.length; }
static int l(Collection c) { return c == null ? 0 : c.size(); }
static int l(Iterator i) { return iteratorCount_int_close(i); } // consumes the iterator && closes it if possible
static int l(Map m) { return m == null ? 0 : m.size(); }
static int l(CharSequence s) { return s == null ? 0 : s.length(); }
static long l(File f) { return f == null ? 0 : f.length(); }
static int l(Object o) {
return o == null ? 0
: o instanceof String ? l((String) o)
: o instanceof Map ? l((Map) o)
: o instanceof Collection ? l((Collection) o)
: o instanceof Object[] ? l((Object[]) o)
: o instanceof boolean[] ? l((boolean[]) o)
: o instanceof byte[] ? l((byte[]) o)
: o instanceof char[] ? l((char[]) o)
: o instanceof short[] ? l((short[]) o)
: o instanceof int[] ? l((int[]) o)
: o instanceof float[] ? l((float[]) o)
: o instanceof double[] ? l((double[]) o)
: o instanceof long[] ? l((long[]) o)
: (Integer) call(o, "size");
}
static int l(IntRange r) { return r == null ? 0 : r.length(); }
static RuntimeException fail() { throw new RuntimeException("fail"); }
static RuntimeException fail(Throwable e) { throw asRuntimeException(e); }
static RuntimeException fail(Object msg) { throw new RuntimeException(String.valueOf(msg)); }
static RuntimeException fail(String msg) { throw new RuntimeException(msg == null ? "" : msg); }
static RuntimeException fail(String msg, Throwable innerException) { throw new RuntimeException(msg, innerException); }
static String getClassName(Object o) {
return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName();
}
static Object invokeMethod(Method m, Object o, Object... args) { try {
try {
return m.invoke(o, args);
} catch (InvocationTargetException e) {
throw rethrow(getExceptionCause(e));
} catch (IllegalArgumentException e) {
throw new IllegalArgumentException(e.getMessage() + " - was calling: " + m + ", args: " + joinWithSpace(classNames(args)));
}
} catch (Exception __e) { throw rethrow(__e); } }
static boolean call_checkArgs(Method m, Object[] args, boolean debug) {
Class<?>[] types = m.getParameterTypes();
if (types.length != args.length) {
if (debug)
print("Bad parameter length: " + args.length + " vs " + types.length);
return false;
}
for (int i = 0; i < types.length; i++) {
Object arg = args[i];
if (!(arg == null ? !types[i].isPrimitive()
: isInstanceX(types[i], arg))) {
if (debug)
print("Bad parameter " + i + ": " + arg + " vs " + types[i]);
return false;
}
}
return true;
}
static Field makeAccessible(Field f) {
try {
f.setAccessible(true);
} catch (Throwable e) {
// Note: The error reporting only works with Java VM option --illegal-access=deny
vmBus_send("makeAccessible_error",e, f);
}
return f;
}
static Method makeAccessible(Method m) {
try {
m.setAccessible(true);
} catch (Throwable e) {
vmBus_send("makeAccessible_error",e, m);
}
return m;
}
static Constructor makeAccessible(Constructor c) {
try {
c.setAccessible(true);
} catch (Throwable e) {
vmBus_send("makeAccessible_error",e, c);
}
return c;
}
static final Map<Class, _MethodCache> callOpt_cache = newDangerousWeakHashMap();
static Object callOpt_cached(Object o, String methodName, Object... args) { try {
if (o == null) return null;
if (o instanceof Class) {
Class c = (Class) o;
_MethodCache cache = callOpt_getCache(c);
// TODO: (super-rare) case where method exists static and non-static
// with different args
Method me = cache.findMethod(methodName, args);
if (me == null || (me.getModifiers() & Modifier.STATIC) == 0) return null;
return invokeMethod(me, null, args);
} else {
Class c = o.getClass();
_MethodCache cache = callOpt_getCache(c);
Method me = cache.findMethod(methodName, args);
if (me == null) return null;
return invokeMethod(me, o, args);
}
} catch (Exception __e) { throw rethrow(__e); } }
static _MethodCache callOpt_getCache(Class c) {
synchronized(callOpt_cache) {
_MethodCache cache = callOpt_cache.get(c);
if (cache == null)
callOpt_cache.put(c, cache = new _MethodCache(c));
return cache;
}
}
static boolean isStaticMethod(Method m) {
return methodIsStatic(m);
}
static Object[] massageArgsForVarArgsCall(Method m, Object[] args) {
Class<?>[] types = m.getParameterTypes();
int n = types.length-1, nArgs = args.length;
if (nArgs < n) return null;
for (int i = 0; i < n; i++)
if (!argumentCompatibleWithType(args[i], types[i]))
return null;
Class varArgType = types[n].getComponentType();
for (int i = n; i < nArgs; i++)
if (!argumentCompatibleWithType(args[i], varArgType))
return null;
Object[] newArgs = new Object[n+1];
arraycopy(args, 0, newArgs, 0, n);
Object[] varArgs = arrayOfType(varArgType, nArgs-n);
arraycopy(args, n, varArgs, 0, nArgs-n);
newArgs[n] = varArgs;
return newArgs;
}
static <A> String joinWithComma(Collection<A> c) {
return join(", ", c);
}
static String joinWithComma(String... c) {
return join(", ", c);
}
static String joinWithComma(Pair p) {
return p == null ? "" : joinWithComma(str(p.a), str(p.b));
}
static List<String> classNames(Collection l) {
return getClassNames(l);
}
static List<String> classNames(Object[] l) {
return getClassNames(Arrays.asList(l));
}
static List<Pair> _registerDangerousWeakMap_preList;
static <A> A _registerDangerousWeakMap(A map) {
return _registerDangerousWeakMap(map, null);
}
static <A> A _registerDangerousWeakMap(A map, Object init) {
callF(init, map);
if (init instanceof String) {
final String f = (String) init;
init = new VF1<Map>() { public void get(Map map) { try { callMC(f, map) ; } catch (Exception __e) { throw rethrow(__e); } }
public String toString() { return "callMC(f, map)"; }};
}
if (javax() == null) {
// We're in class init
if (_registerDangerousWeakMap_preList == null) _registerDangerousWeakMap_preList = synchroList();
_registerDangerousWeakMap_preList.add(pair(map, init));
return map;
}
call(javax(), "_registerDangerousWeakMap", map, init);
return map;
}
static void _onLoad_registerDangerousWeakMap() {
assertNotNull(javax());
if (_registerDangerousWeakMap_preList == null) return;
for (Pair p : _registerDangerousWeakMap_preList)
_registerDangerousWeakMap(p.a, p.b);
_registerDangerousWeakMap_preList = null;
}
static Map synchroMap() {
return synchroHashMap();
}
static <A, B> Map<A, B> synchroMap(Map<A, B> map) {
return Collections.synchronizedMap(map);
}
static Class mc() {
return main.class;
}
static <A> int iteratorCount_int_close(Iterator<A> i) { try {
int n = 0;
if (i != null) while (i.hasNext()) { i.next(); ++n; }
if (i instanceof AutoCloseable) ((AutoCloseable) i).close();
return n;
} catch (Exception __e) { throw rethrow(__e); } }
static RuntimeException asRuntimeException(Throwable t) {
if (t instanceof Error)
_handleError((Error) t);
return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
}
static Throwable getExceptionCause(Throwable e) {
Throwable c = e.getCause();
return c != null ? c : e;
}
static String joinWithSpace(Iterable c) {
return join(" ", c);
}
static String joinWithSpace(String... c) {
return join(" ", c);
}
static volatile StringBuffer local_log = new StringBuffer(); // not redirected
static volatile Appendable print_log = local_log; // might be redirected, e.g. to main bot
// in bytes - will cut to half that
static volatile int print_log_max = 1024*1024;
static volatile int local_log_max = 100*1024;
static boolean print_silent = false; // total mute if set
static Object print_byThread_lock = new Object();
static volatile ThreadLocal<Object> print_byThread; // special handling by thread - prefers F1<S, Bool>
static volatile Object print_allThreads;
static volatile Object print_preprocess;
static void print() {
print("");
}
static <A> A print(String s, A o) {
print((endsWithLetterOrDigit(s) ? s + ": " : s) + o);
return o;
}
// slightly overblown signature to return original object...
static <A> A print(A o) {
ping_okInCleanUp();
if (print_silent) return o;
String s = o + "\n";
print_noNewLine(s);
return o;
}
static void print_noNewLine(String s) {
Object f = getThreadLocal(print_byThread_dontCreate());
if (f == null) f = print_allThreads;
if (f != null)
// We do need the general callF machinery here as print_byThread is sometimes shared between modules
if (isFalse(
f instanceof F1 ? ((F1) f).get(s) :
callF(f, s))) return;
print_raw(s);
}
static void print_raw(String s) {
if (print_preprocess != null) s = (String) callF(print_preprocess, s);
s = fixNewLines(s);
Appendable loc = local_log;
Appendable buf = print_log;
int loc_max = print_log_max;
if (buf != loc && buf != null) {
print_append(buf, s, print_log_max);
loc_max = local_log_max;
}
if (loc != null)
print_append(loc, s, loc_max);
System.out.print(s);
vmBus_send("printed",mc(), s);
}
static void print_autoRotate() {
}
static boolean isInstanceX(Class type, Object arg) {
if (type == boolean.class) return arg instanceof Boolean;
if (type == int.class) return arg instanceof Integer;
if (type == long.class) return arg instanceof Long;
if (type == float.class) return arg instanceof Float;
if (type == short.class) return arg instanceof Short;
if (type == char.class) return arg instanceof Character;
if (type == byte.class) return arg instanceof Byte;
if (type == double.class) return arg instanceof Double;
return type.isInstance(arg);
}
static void vmBus_send(String msg, Object... args) {
Object arg = vmBus_wrapArgs(args);
pcallFAll(vm_busListeners_live(), msg, arg);
pcallFAll(vm_busListenersByMessage_live().get(msg), msg, arg);
}
static void vmBus_send(String msg) {
vmBus_send(msg, (Object) null);
}
static boolean methodIsStatic(Method m) {
return (m.getModifiers() & Modifier.STATIC) != 0;
}
static boolean argumentCompatibleWithType(Object arg, Class type) {
return arg == null ? !type.isPrimitive() : isInstanceX(type, arg);
}
static void arraycopy(Object[] a, Object[] b) {
if (a != null && b != null)
arraycopy(a, 0, b, 0, Math.min(a.length, b.length));
}
static void arraycopy(Object src, int srcPos, Object dest, int destPos, int n) {
if (n != 0)
System.arraycopy(src, srcPos, dest, destPos, n);
}
static <A> A[] arrayOfType(Class<A> type, int n) {
return makeArray(type, n);
}
static <A> A[] arrayOfType(int n, Class<A> type) {
return arrayOfType(type, n);
}
public static <A> String join(String glue, Iterable<A> strings) {
if (strings == null) return "";
if (strings instanceof Collection) {
if (((Collection) strings).size() == 1) return str(first(((Collection) strings)));
}
StringBuilder buf = new StringBuilder();
Iterator<A> i = strings.iterator();
if (i.hasNext()) {
buf.append(i.next());
while (i.hasNext())
buf.append(glue).append(i.next());
}
return buf.toString();
}
public static String join(String glue, String... strings) {
return join(glue, Arrays.asList(strings));
}
static <A> String join(Iterable<A> strings) {
return join("", strings);
}
static <A> String join(Iterable<A> strings, String glue) {
return join(glue, strings);
}
public static String join(String[] strings) {
return join("", strings);
}
static String join(String glue, Pair p) {
return p == null ? "" : str(p.a) + glue + str(p.b);
}
static String str(Object o) {
return o == null ? "null" : o.toString();
}
static String str(char[] c) {
return new String(c);
}
static List<String> getClassNames(Collection l) {
List<String> out = new ArrayList();
if (l != null) for (Object o : l)
out.add(o == null ? null : getClassName(o));
return out;
}
static AutoCloseable tempInterceptPrintIfNotIntercepted(F1<String, Boolean> f) {
return print_byThread().get() == null ? tempInterceptPrint(f) : null;
}
static HashMap<String, List<Method>> callMC_cache = new HashMap();
static String callMC_key;
static Method callMC_value;
// varargs assignment fixer for a single string array argument
static Object callMC(String method, String[] arg) {
return callMC(method, new Object[] {arg});
}
static Object callMC(String method, Object... args) { try {
Method me;
if (callMC_cache == null) callMC_cache = new HashMap(); // initializer time workaround
synchronized(callMC_cache) {
me = method == callMC_key ? callMC_value : null;
}
if (me != null) try {
return invokeMethod(me, null, args);
} catch (IllegalArgumentException e) {
throw new RuntimeException("Can't call " + me + " with arguments " + classNames(args), e);
}
List<Method> m;
synchronized(callMC_cache) {
m = callMC_cache.get(method);
}
if (m == null) {
if (callMC_cache.isEmpty()) {
callMC_makeCache();
m = callMC_cache.get(method);
}
if (m == null) throw fail("Method named " + method + " not found in main");
}
int n = m.size();
if (n == 1) {
me = m.get(0);
synchronized(callMC_cache) {
callMC_key = method;
callMC_value = me;
}
try {
return invokeMethod(me, null, args);
} catch (IllegalArgumentException e) {
throw new RuntimeException("Can't call " + me + " with arguments " + classNames(args), e);
}
}
for (int i = 0; i < n; i++) {
me = m.get(i);
if (call_checkArgs(me, args, false))
return invokeMethod(me, null, args);
}
throw fail("No method called " + method + " with arguments (" + joinWithComma(getClasses(args)) + ") found in main");
} catch (Exception __e) { throw rethrow(__e); } }
static void callMC_makeCache() {
synchronized(callMC_cache) {
callMC_cache.clear();
Class _c = (Class) mc(), c = _c;
while (c != null) {
for (Method m : c.getDeclaredMethods())
if ((m.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0) {
makeAccessible(m);
multiMapPut(callMC_cache, m.getName(), m);
}
c = c.getSuperclass();
}
}
}
static <A> List<A> synchroList() {
return Collections.synchronizedList(new ArrayList<A>());
}
static <A> List<A> synchroList(List<A> l) {
return Collections.synchronizedList(l);
}
static <A, B> Pair<A, B> pair(A a, B b) {
return new Pair(a, b);
}
static <A> Pair<A, A> pair(A a) {
return new Pair(a, a);
}
static <A> A assertNotNull(A a) {
assertTrue(a != null);
return a;
}
static <A> A assertNotNull(String msg, A a) {
assertTrue(msg, a != null);
return a;
}
static Map synchroHashMap() {
return Collections.synchronizedMap(new HashMap());
}
static boolean endsWithLetterOrDigit(String s) {
return s != null && s.length() > 0 && Character.isLetterOrDigit(s.charAt(s.length()-1));
}
static void ping_okInCleanUp() {
if (ping_pauseAll || ping_anyActions)
ping_impl(true);
}
// this syntax should be removed...
static Object getThreadLocal(Object o, String name) {
ThreadLocal t = (ThreadLocal) (getOpt(o, name));
return t != null ? t.get() : null;
}
static <A> A getThreadLocal(ThreadLocal<A> tl) {
return tl == null ? null : tl.get();
}
static <A> A getThreadLocal(ThreadLocal<A> tl, A defaultValue) {
return or(getThreadLocal(tl), defaultValue);
}
static ThreadLocal<Object> print_byThread_dontCreate() {
return print_byThread;
}
static boolean isFalse(Object o) {
return eq(false, o);
}
static String fixNewLines(String s) {
int i = indexOf(s, '\r');
if (i < 0) return s;
int l = s.length();
StringBuilder out = new StringBuilder(l);
out.append(s, 0, i);
for (; i < l; i++) {
char c = s.charAt(i);
if (c != '\r')
out.append(c);
else {
out.append('\n');
if (i+1 < l && s.charAt(i+1) == '\n') ++i;
}
}
return out.toString();
}
static void print_append(Appendable buf, String s, int max) { try {
synchronized(buf) {
buf.append(s);
if (buf instanceof StringBuffer)
rotateStringBuffer(((StringBuffer) buf), max);
else if (buf instanceof StringBuilder)
rotateStringBuilder(((StringBuilder) buf), max);
}
} catch (Exception __e) { throw rethrow(__e); } }
static Object vmBus_wrapArgs(Object... args) {
return empty(args) ? null
: l(args) == 1 ? args[0]
: args;
}
static void pcallFAll(Collection l, Object... args) {
if (l != null) for (Object f : cloneList(l)) pcallF(f, args);
}
static void pcallFAll(Iterator it, Object... args) {
while (it.hasNext()) pcallF(it.next(), args);
}
static Set vm_busListeners_live_cache;
static Set vm_busListeners_live() { if (vm_busListeners_live_cache == null) vm_busListeners_live_cache = vm_busListeners_live_load(); return vm_busListeners_live_cache; }
static Set vm_busListeners_live_load() {
return vm_generalIdentityHashSet("busListeners");
}
static Map<String, Set> vm_busListenersByMessage_live_cache;
static Map<String, Set> vm_busListenersByMessage_live() { if (vm_busListenersByMessage_live_cache == null) vm_busListenersByMessage_live_cache = vm_busListenersByMessage_live_load(); return vm_busListenersByMessage_live_cache; }
static Map<String, Set> vm_busListenersByMessage_live_load() {
return vm_generalHashMap("busListenersByMessage");
}
static <A> A[] makeArray(Class<A> type, int n) {
return (A[]) Array.newInstance(type, n);
}
static Object first(Object list) {
return first((Iterable) list);
}
static <A> A first(List<A> list) {
return empty(list) ? null : list.get(0);
}
static <A> A first(A[] bla) {
return bla == null || bla.length == 0 ? null : bla[0];
}
static <A> A first(Iterator<A> i) {
return i == null || !i.hasNext() ? null : i.next();
}
static <A> A first(Iterable<A> i) {
if (i == null) return null;
Iterator<A> it = i.iterator();
return it.hasNext() ? it.next() : null;
}
static Character first(String s) { return empty(s) ? null : s.charAt(0); }
static Character first(CharSequence s) { return empty(s) ? null : s.charAt(0); }
static <A, B> A first(Pair<A, B> p) {
return p == null ? null : p.a;
}
static Byte first(byte[] l) {
return empty(l) ? null : l[0];
}
static ThreadLocal<Object> print_byThread() {
synchronized(print_byThread_lock) {
if (print_byThread == null)
print_byThread = new ThreadLocal();
}
return print_byThread;
}
// f can return false to suppress regular printing
// call print_raw within f to actually print something
static AutoCloseable tempInterceptPrint(F1<String, Boolean> f) {
return tempSetThreadLocal(print_byThread(), f);
}
static List<Class> getClasses(Object[] array) {
List<Class> l = emptyList(l(array));
for (Object o : array) l.add(_getClass(o));
return l;
}
static <A, B> void multiMapPut(Map<A, List<B>> map, A a, B b) {
List<B> l = map.get(a);
if (l == null)
map.put(a, l = new ArrayList());
l.add(b);
}
static void assertTrue(Object o) {
if (!(eq(o, true) /*|| isTrue(pcallF(o))*/))
throw fail(str(o));
}
static boolean assertTrue(String msg, boolean b) {
if (!b)
throw fail(msg);
return b;
}
static boolean assertTrue(boolean b) {
if (!b)
throw fail("oops");
return b;
}
//sbool ping_actions_shareable = true;
static volatile boolean ping_pauseAll = false;
static int ping_sleep = 100; // poll pauseAll flag every 100
static volatile boolean ping_anyActions = false;
static Map<Thread, Object> ping_actions = newWeakHashMap();
static ThreadLocal<Boolean> ping_isCleanUpThread = new ThreadLocal();
// always returns true
static boolean ping() {
if (ping_pauseAll || ping_anyActions) ping_impl(true /* XXX */);
//ifndef LeanMode ping_impl(); endifndef
return true;
}
// returns true when it slept
static boolean ping_impl(boolean okInCleanUp) { try {
if (ping_pauseAll && !isAWTThread()) {
do
Thread.sleep(ping_sleep);
while (ping_pauseAll);
return true;
}
if (ping_anyActions) { // don't allow sharing ping_actions
if (!okInCleanUp && !isTrue(ping_isCleanUpThread.get()))
failIfUnlicensed();
Object action = null;
synchronized(ping_actions) {
if (!ping_actions.isEmpty()) {
action = ping_actions.get(currentThread());
if (action instanceof Runnable)
ping_actions.remove(currentThread());
if (ping_actions.isEmpty()) ping_anyActions = false;
}
}
if (action instanceof Runnable)
((Runnable) action).run();
else if (eq(action, "cancelled"))
throw fail("Thread cancelled.");
}
return false;
} catch (Exception __e) { throw rethrow(__e); } }
static Object getOpt(Object o, String field) {
return getOpt_cached(o, field);
}
static Object getOpt(String field, Object o) {
return getOpt_cached(o, field);
}
static Object getOpt_raw(Object o, String field) { try {
Field f = getOpt_findField(o.getClass(), field);
if (f == null) return null;
makeAccessible(f);
return f.get(o);
} catch (Exception __e) { throw rethrow(__e); } }
// access of static fields is not yet optimized
static Object getOpt(Class c, String field) { try {
if (c == null) return null;
Field f = getOpt_findStaticField(c, field);
if (f == null) return null;
makeAccessible(f);
return f.get(null);
} catch (Exception __e) { throw rethrow(__e); } }
static Field getOpt_findStaticField(Class<?> c, String field) {
Class _c = c;
do {
for (Field f : _c.getDeclaredFields())
if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
return f;
_c = _c.getSuperclass();
} while (_c != null);
return null;
}
static <A> A or(A a, A b) {
return a != null ? a : b;
}
static boolean eq(Object a, Object b) {
return a == b || a != null && b != null && a.equals(b);
}
static <A> int indexOf(List<A> l, A a, int startIndex) {
if (l == null) return -1;
int n = l(l);
for (int i = startIndex; i < n; i++)
if (eq(l.get(i), a))
return i;
return -1;
}
static <A> int indexOf(List<A> l, int startIndex, A a) {
return indexOf(l, a, startIndex);
}
static <A> int indexOf(List<A> l, A a) {
if (l == null) return -1;
return l.indexOf(a);
}
static int indexOf(String a, String b) {
return a == null || b == null ? -1 : a.indexOf(b);
}
static int indexOf(String a, String b, int i) {
return a == null || b == null ? -1 : a.indexOf(b, i);
}
static int indexOf(String a, char b) {
return a == null ? -1 : a.indexOf(b);
}
static int indexOf(String a, int i, char b) {
return indexOf(a, b, i);
}
static int indexOf(String a, char b, int i) {
return a == null ? -1 : a.indexOf(b, i);
}
static int indexOf(String a, int i, String b) {
return a == null || b == null ? -1 : a.indexOf(b, i);
}
static <A> int indexOf(A[] x, A a) {
int n = l(x);
for (int i = 0; i < n; i++)
if (eq(x[i], a))
return i;
return -1;
}
static void rotateStringBuffer(StringBuffer buf, int max) { try {
if (buf == null) return;
synchronized(buf) {
if (buf.length() <= max) return;
try {
int newLength = max/2;
int ofs = buf.length()-newLength;
String newString = buf.substring(ofs);
buf.setLength(0);
buf.append("[...] ").append(newString);
} catch (Exception e) {
buf.setLength(0);
}
buf.trimToSize();
}
} catch (Exception __e) { throw rethrow(__e); } }
static void rotateStringBuilder(StringBuilder buf, int max) { try {
if (buf == null) return;
synchronized(buf) {
if (buf.length() <= max) return;
try {
int newLength = max/2;
int ofs = buf.length()-newLength;
String newString = buf.substring(ofs);
buf.setLength(0);
buf.append("[...] ").append(newString);
} catch (Exception e) {
buf.setLength(0);
}
buf.trimToSize();
}
} catch (Exception __e) { throw rethrow(__e); } }
static boolean empty(Collection c) { return c == null || c.isEmpty(); }
static boolean empty(Iterable c) { return c == null || !c.iterator().hasNext(); }
static boolean empty(CharSequence s) { return s == null || s.length() == 0; }
static boolean empty(Map map) { return map == null || map.isEmpty(); }
static boolean empty(Object[] o) { return o == null || o.length == 0; }
static boolean empty(Object o) {
if (o instanceof Collection) return empty((Collection) o);
if (o instanceof String) return empty((String) o);
if (o instanceof Map) return empty((Map) o);
if (o instanceof Object[]) return empty((Object[]) o);
if (o instanceof byte[]) return empty((byte[]) o);
if (o == null) return true;
throw fail("unknown type for 'empty': " + getType(o));
}
static boolean empty(Iterator i) { return i == null || !i.hasNext(); }
static boolean empty(double[] a) { return a == null || a.length == 0; }
static boolean empty(float[] a) { return a == null || a.length == 0; }
static boolean empty(int[] a) { return a == null || a.length == 0; }
static boolean empty(long[] a) { return a == null || a.length == 0; }
static boolean empty(byte[] a) { return a == null || a.length == 0; }
static boolean empty(short[] a) { return a == null || a.length == 0; }
static boolean empty(File f) { return getFileSize(f) == 0; }
static boolean empty(IntRange r) { return r == null || r.empty(); }
static <A> ArrayList<A> cloneList(Iterable<A> l) {
return l instanceof Collection ? cloneList((Collection) l) : asList(l);
}
static <A> ArrayList<A> cloneList(Collection<A> l) {
if (l == null) return new ArrayList();
synchronized(collectionMutex(l)) {
return new ArrayList<A>(l);
}
}
static Object pcallF(Object f, Object... args) {
return pcallFunction(f, args);
}
static <A, B> B pcallF(F1<A, B> f, A a) { try {
return f == null ? null : f.get(a);
} catch (Throwable __e) { return null; } }
static <A> void pcallF(VF1<A> f, A a) {
try {
if (f != null) f.get(a);
} catch (Throwable __e) { _handleException(__e); }
}
static Set vm_generalIdentityHashSet(Object name) {
synchronized(get(javax(), "generalMap")) {
Set set = (Set) (vm_generalMap_get(name));
if (set == null)
vm_generalMap_put(name, set = syncIdentityHashSet());
return set;
}
}
static Map vm_generalHashMap(Object name) {
synchronized(get(javax(), "generalMap")) {
Map m = (Map) (vm_generalMap_get(name));
if (m == null)
vm_generalMap_put(name, m = syncHashMap());
return m;
}
}
static <A> AutoCloseable tempSetThreadLocal(final ThreadLocal<A> tl, A a) {
if (tl == null) return null;
final A prev = setThreadLocal(tl, a);
return new AutoCloseable() { public String toString() { return "tl.set(prev);"; } public void close() throws Exception { tl.set(prev); }};
}
static ArrayList emptyList() {
return new ArrayList();
//ret Collections.emptyList();
}
static ArrayList emptyList(int capacity) {
return new ArrayList(max(0, capacity));
}
// Try to match capacity
static ArrayList emptyList(Iterable l) {
return l instanceof Collection ? emptyList(((Collection) l).size()) : emptyList();
}
static ArrayList emptyList(Object[] l) {
return emptyList(l(l));
}
// get correct type at once
static <A> ArrayList<A> emptyList(Class<A> c) {
return new ArrayList();
}
static Class<?> _getClass(String name) {
try {
return Class.forName(name);
} catch (ClassNotFoundException e) {
return null; // could optimize this
}
}
static Class _getClass(Object o) {
return o == null ? null
: o instanceof Class ? (Class) o : o.getClass();
}
static Class _getClass(Object realm, String name) {
try {
return getClass(realm).getClassLoader().loadClass(classNameToVM(name));
} catch (ClassNotFoundException e) {
return null; // could optimize this
}
}
static <A, B> Map<A, B> newWeakHashMap() {
return _registerWeakMap(synchroMap(new WeakHashMap()));
}
// TODO: test if android complains about this
static boolean isAWTThread() {
if (isAndroid()) return false;
if (isHeadless()) return false;
return isAWTThread_awt();
}
static boolean isAWTThread_awt() {
return SwingUtilities.isEventDispatchThread();
}
static boolean isTrue(Object o) {
if (o instanceof Boolean)
return ((Boolean) o).booleanValue();
if (o == null) return false;
if (o instanceof ThreadLocal) // TODO: remove this
return isTrue(((ThreadLocal) o).get());
throw fail(getClassName(o));
}
static void failIfUnlicensed() {
assertTrue("license off", licensed());
}
static Thread currentThread() {
return Thread.currentThread();
}
//static final Map<Class, HashMap<S, Field>> getOpt_cache = newDangerousWeakHashMap(f getOpt_special_init);
static class getOpt_Map extends WeakHashMap {
getOpt_Map() {
if (getOpt_special == null) getOpt_special = new HashMap();
clear();
}
public void clear() {
super.clear();
//print("getOpt clear");
put(Class.class, getOpt_special);
put(String.class, getOpt_special);
}
}
static final Map<Class, HashMap<String, Field>> getOpt_cache = _registerDangerousWeakMap(synchroMap(new getOpt_Map()));
//static final Map<Class, HashMap<S, Field>> getOpt_cache = _registerWeakMap(synchroMap(new getOpt_Map));
static HashMap getOpt_special; // just a marker
/*static void getOpt_special_init(Map map) {
map.put(Class.class, getOpt_special);
map.put(S.class, getOpt_special);
}*/
static Object getOpt_cached(Object o, String field) { try {
if (o == null) return null;
Class c = o.getClass();
HashMap<String, Field> map;
synchronized(getOpt_cache) {
map = getOpt_cache.get(c);
if (map == null)
map = getOpt_makeCache(c);
}
if (map == getOpt_special) {
if (o instanceof Class)
return getOpt((Class) o, field);
/*if (o instanceof S)
ret getOpt(getBot((S) o), field);*/
if (o instanceof Map)
return ((Map) o).get(field);
}
Field f = map.get(field);
if (f != null) return f.get(o);
return null;
} catch (Exception __e) { throw rethrow(__e); } }
// used internally - we are in synchronized block
static HashMap<String, Field> getOpt_makeCache(Class c) {
HashMap<String, Field> map;
if (isSubtypeOf(c, Map.class))
map = getOpt_special;
else {
map = new HashMap();
if (!reflection_classesNotToScan().contains(c.getName())) {
Class _c = c;
do {
for (Field f : _c.getDeclaredFields()) {
makeAccessible(f);
String name = f.getName();
if (!map.containsKey(name))
map.put(name, f);
}
_c = _c.getSuperclass();
} while (_c != null);
}
}
if (getOpt_cache != null) getOpt_cache.put(c, map);
return map;
}
static Field getOpt_findField(Class<?> c, String field) {
Class _c = c;
do {
for (Field f : _c.getDeclaredFields())
if (f.getName().equals(field))
return f;
_c = _c.getSuperclass();
} while (_c != null);
return null;
}
static String getType(Object o) {
return getClassName(o);
}
static long getFileSize(String path) {
return path == null ? 0 : new File(path).length();
}
static long getFileSize(File f) {
return f == null ? 0 : f.length();
}
// unclear semantics as to whether return null on null
static <A> ArrayList<A> asList(A[] a) {
return a == null ? new ArrayList<A>() : new ArrayList<A>(Arrays.asList(a));
}
static ArrayList<Integer> asList(int[] a) {
if (a == null) return null;
ArrayList<Integer> l = emptyList(a.length);
for (int i : a) l.add(i);
return l;
}
static ArrayList<Long> asList(long[] a) {
if (a == null) return null;
ArrayList<Long> l = emptyList(a.length);
for (long i : a) l.add(i);
return l;
}
static ArrayList<Float> asList(float[] a) {
if (a == null) return null;
ArrayList<Float> l = emptyList(a.length);
for (float i : a) l.add(i);
return l;
}
static ArrayList<Double> asList(double[] a) {
if (a == null) return null;
ArrayList<Double> l = emptyList(a.length);
for (double i : a) l.add(i);
return l;
}
static <A> ArrayList<A> asList(Iterable<A> s) {
if (s instanceof ArrayList) return (ArrayList) s;
ArrayList l = new ArrayList();
if (s != null)
for (A a : s)
l.add(a);
return l;
}
static <A> ArrayList<A> asList(Enumeration<A> e) {
ArrayList l = new ArrayList();
if (e != null)
while (e.hasMoreElements())
l.add(e.nextElement());
return l;
}
static Object collectionMutex(List l) {
return l;
}
static Object collectionMutex(Object o) {
if (o instanceof List) return o;
String c = className(o);
if (eq(c, "java.util.TreeMap$KeySet"))
c = className(o = getOpt(o, "m"));
else if (eq(c, "java.util.HashMap$KeySet"))
c = className(o = get_raw(o, "this$0"));
if (eqOneOf(c, "java.util.TreeMap$AscendingSubMap", "java.util.TreeMap$DescendingSubMap"))
c = className(o = get_raw(o, "m"));
return o;
}
static Object pcallFunction(Object f, Object... args) {
try { return callFunction(f, args); } catch (Throwable __e) { _handleException(__e); }
return null;
}
static volatile PersistableThrowable _handleException_lastException;
static List _handleException_onException = synchroList(ll("printStackTrace2"));
static void _handleException(Throwable e) {
_handleException_lastException = persistableThrowable(e);
Throwable e2 = innerException(e);
if (e2.getClass() == RuntimeException.class && eq(e2.getMessage(), "Thread cancelled.") || e2 instanceof InterruptedException)
return;
for (Object f : cloneList(_handleException_onException)) try {
callF(f, e);
} catch (Throwable e3) {
try {
printStackTrace2(e3); // not using pcall here - it could lead to endless loops
} catch (Throwable e4) {
System.out.println(getStackTrace(e3));
System.out.println(getStackTrace(e4));
}
}
}
static <A> A get(List<A> l, int idx) {
return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null;
}
// seems to conflict with other signatures
/*static <A, B> B get(Map<A, B> map, A key) {
ret map != null ? map.get(key) : null;
}*/
static <A> A get(A[] l, int idx) {
return idx >= 0 && idx < l(l) ? l[idx] : null;
}
// default to false
static boolean get(boolean[] l, int idx) {
return idx >= 0 && idx < l(l) ? l[idx] : false;
}
// get purpose 2: access a field by reflection or a map
static Object get(Object o, String field) {
try {
if (o == null) return null;
if (o instanceof Class) return get((Class) o, field);
if (o instanceof Map)
return ((Map) o).get(field);
Field f = getOpt_findField(o.getClass(), field);
if (f != null) {
makeAccessible(f);
return f.get(o);
}
} catch (Exception e) {
throw asRuntimeException(e);
}
throw new RuntimeException("Field '" + field + "' not found in " + o.getClass().getName());
}
static Object get_raw(String field, Object o) {
return get_raw(o, field);
}
static Object get_raw(Object o, String field) { try {
if (o == null) return null;
Field f = get_findField(o.getClass(), field);
makeAccessible(f);
return f.get(o);
} catch (Exception __e) { throw rethrow(__e); } }
static Object get(Class c, String field) {
try {
Field f = get_findStaticField(c, field);
makeAccessible(f);
return f.get(null);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Field get_findStaticField(Class<?> c, String field) {
Class _c = c;
do {
for (Field f : _c.getDeclaredFields())
if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
return f;
_c = _c.getSuperclass();
} while (_c != null);
throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
}
static Field get_findField(Class<?> c, String field) {
Class _c = c;
do {
for (Field f : _c.getDeclaredFields())
if (f.getName().equals(field))
return f;
_c = _c.getSuperclass();
} while (_c != null);
throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
}
static Object get(String field, Object o) {
return get(o, field);
}
static Object vm_generalMap_get(Object key) {
return vm_generalMap().get(key);
}
static Object vm_generalMap_put(Object key, Object value) {
return mapPutOrRemove(vm_generalMap(), key, value);
}
static <A> Set<A> syncIdentityHashSet() {
return (Set) synchronizedSet(identityHashSet());
}
static Map syncHashMap() {
return synchroHashMap();
}
static Throwable printStackTrace2(Throwable e) {
// we go to system.out now - system.err is nonsense
print(getStackTrace2(e));
return e;
}
static void printStackTrace2() {
printStackTrace2(new Throwable());
}
static void printStackTrace2(String msg) {
printStackTrace2(new Throwable(msg));
}
static <A> A setThreadLocal(ThreadLocal<A> tl, A value) {
if (tl == null) return null;
A old = tl.get();
tl.set(value);
return old;
}
static int max(int a, int b) { return Math.max(a, b); }
static int max(int a, int b, int c) { return max(max(a, b), c); }
static long max(int a, long b) { return Math.max((long) a, b); }
static long max(long a, long b) { return Math.max(a, b); }
static double max(int a, double b) { return Math.max((double) a, b); }
static float max(float a, float b) { return Math.max(a, b); }
static double max(double a, double b) { return Math.max(a, b); }
static int max(Collection<Integer> c) {
int x = Integer.MIN_VALUE;
for (int i : c) x = max(x, i);
return x;
}
static double max(double[] c) {
if (c.length == 0) return Double.MIN_VALUE;
double x = c[0];
for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]);
return x;
}
static float max(float[] c) {
if (c.length == 0) return Float.MAX_VALUE;
float x = c[0];
for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]);
return x;
}
static byte max(byte[] c) {
byte x = -128;
for (byte d : c) if (d > x) x = d;
return x;
}
static short max(short[] c) {
short x = -0x8000;
for (short d : c) if (d > x) x = d;
return x;
}
static int max(int[] c) {
int x = Integer.MIN_VALUE;
for (int d : c) if (d > x) x = d;
return x;
}
static Class<?> getClass(String name) {
try {
return Class.forName(name);
} catch (ClassNotFoundException e) {
return null;
}
}
static Class getClass(Object o) {
return o instanceof Class ? (Class) o : o.getClass();
}
static Class getClass(Object realm, String name) { try {
try {
return getClass(realm).getClassLoader().loadClass(classNameToVM(name));
} catch (ClassNotFoundException e) {
return null;
}
} catch (Exception __e) { throw rethrow(__e); } }
static String classNameToVM(String name) {
return name.replace(".", "$");
}
static List _registerWeakMap_preList;
static <A> A _registerWeakMap(A map) {
if (javax() == null) {
// We're in class init
if (_registerWeakMap_preList == null) _registerWeakMap_preList = synchroList();
_registerWeakMap_preList.add(map);
return map;
}
try {
call(javax(), "_registerWeakMap", map);
} catch (Throwable e) {
printException(e);
print("Upgrade JavaX!!");
}
return map;
}
static void _onLoad_registerWeakMap() {
assertNotNull(javax());
if (_registerWeakMap_preList == null) return;
for (Object o : _registerWeakMap_preList)
_registerWeakMap(o);
_registerWeakMap_preList = null;
}
static int isAndroid_flag;
static boolean isAndroid() {
if (isAndroid_flag == 0)
isAndroid_flag = System.getProperty("java.vendor").toLowerCase().indexOf("android") >= 0 ? 1 : -1;
return isAndroid_flag > 0;
}
static Boolean isHeadless_cache;
static boolean isHeadless() {
if (isHeadless_cache != null) return isHeadless_cache;
if (isAndroid()) return isHeadless_cache = true;
if (GraphicsEnvironment.isHeadless()) return isHeadless_cache = true;
// Also check if AWT actually works.
// If DISPLAY variable is set but no X server up, this will notice.
try {
SwingUtilities.isEventDispatchThread();
return isHeadless_cache = false;
} catch (Throwable e) { return isHeadless_cache = true; }
}
static volatile boolean licensed_yes = true;
static boolean licensed() {
if (!licensed_yes) return false;
ping_okInCleanUp();
return true;
}
static void licensed_off() {
licensed_yes = false;
}
static void clear(Collection c) {
if (c != null) c.clear();
}
static void clear(Map map) {
if (map != null) map.clear();
}
static <A, B> void put(Map<A, B> map, A a, B b) {
if (map != null) map.put(a, b);
}
static <A> void put(List<A> l, int i, A a) {
if (l != null && i >= 0 && i < l(l)) l.set(i, a);
}
static <A, B> B mapGet2(Map<A, B> map, A a) {
return map == null ? null : map.get(a);
}
static <A, B> B mapGet2(A a, Map<A, B> map) {
return map == null ? null : map.get(a);
}
static boolean isSubtypeOf(Class a, Class b) {
return b.isAssignableFrom(a); // << always hated that method, let's replace it!
}
static Set<String> reflection_classesNotToScan_value = litset(
"jdk.internal.loader.URLClassPath"
);
static Set<String> reflection_classesNotToScan() {
return reflection_classesNotToScan_value;
}
static String className(Object o) {
return getClassName(o);
}
static boolean eqOneOf(Object o, Object... l) {
for (Object x : l) if (eq(o, x)) return true; return false;
}
static Object callFunction(Object f, Object... args) {
return callF(f, args);
}
static <A> List<A> ll(A... a) {
ArrayList l = new ArrayList(a.length);
if (a != null) for (A x : a) l.add(x);
return l;
}
static PersistableThrowable persistableThrowable(Throwable e) {
return e == null ? null : new PersistableThrowable(e);
}
static Throwable innerException(Throwable e) {
return getInnerException(e);
}
static String getStackTrace(Throwable throwable) {
lastException(throwable);
return getStackTrace_noRecord(throwable);
}
static String getStackTrace_noRecord(Throwable throwable) {
StringWriter writer = new StringWriter();
throwable.printStackTrace(new PrintWriter(writer));
return hideCredentials(writer.toString());
}
static String getStackTrace() {
return getStackTrace_noRecord(new Throwable());
}
static Map vm_generalMap_map;
static Map vm_generalMap() {
if (vm_generalMap_map == null)
vm_generalMap_map = (Map) get(javax(), "generalMap");
return vm_generalMap_map;
}
static <A, B> B mapPutOrRemove(Map<A, B> map, A key, B value) {
if (map != null && key != null)
if (value != null) return map.put(key, value);
else return map.remove(key);
return null;
}
static <A> Set<A> synchronizedSet() {
return synchroHashSet();
}
static <A> Set<A> synchronizedSet(Set<A> set) {
return Collections.synchronizedSet(set);
}
static <A> Set<A> identityHashSet() {
return Collections.newSetFromMap(new IdentityHashMap());
}
static String getStackTrace2(Throwable e) {
return hideCredentials(getStackTrace(unwrapTrivialExceptionWraps(e)) + replacePrefix("java.lang.RuntimeException: ", "FAIL: ",
hideCredentials(str(innerException2(e)))) + "\n");
}
static <A extends Throwable> A printException(A e) {
printStackTrace(e);
return e;
}
static <A> HashSet<A> litset(A... items) {
return lithashset(items);
}
static Throwable getInnerException(Throwable e) {
if (e == null) return null;
while (e.getCause() != null)
e = e.getCause();
return e;
}
static Throwable getInnerException(Runnable r) {
return getInnerException(getException(r));
}
// PersistableThrowable doesn't hold GC-disturbing class references in backtrace
static volatile PersistableThrowable lastException_lastException;
static PersistableThrowable lastException() {
return lastException_lastException;
}
static void lastException(Throwable e) {
lastException_lastException = persistableThrowable(e);
}
static String hideCredentials(URL url) { return url == null ? null : hideCredentials(str(url)); }
static String hideCredentials(String url) {
try {
if (startsWithOneOf(url, "http://", "https://") && isAGIBlueDomain(hostNameFromURL(url))) return url;
} catch (Throwable e) {
print("HideCredentials", e);
}
return url.replaceAll("([&?])(_pass|key|cookie)=[^&\\s\"]*", "$1$2=<hidden>");
}
static String hideCredentials(Object o) {
return hideCredentials(str(o));
}
static <A> Set<A> synchroHashSet() {
return Collections.synchronizedSet(new HashSet<A>());
}
static Throwable unwrapTrivialExceptionWraps(Throwable e) {
if (e == null) return e;
while (e.getClass() == RuntimeException.class
&& e.getCause() != null && eq(e.getMessage(), str(e.getCause())))
e = e.getCause();
return e;
}
static String replacePrefix(String prefix, String replacement, String s) {
if (!startsWith(s, prefix)) return s;
return replacement + substring(s, l(prefix));
}
static Throwable innerException2(Throwable e) {
if (e == null) return null;
while (empty(e.getMessage()) && e.getCause() != null)
e = e.getCause();
return e;
}
static <A extends Throwable> A printStackTrace(A e) {
// we go to system.out now - system.err is nonsense
print(getStackTrace(e));
return e;
}
static void printStackTrace() {
printStackTrace(new Throwable());
}
static void printStackTrace(String msg) {
printStackTrace(new Throwable(msg));
}
static void printStackTrace(String msg, Throwable e) {
printStackTrace(new Throwable(msg, e));
}
static <A> HashSet<A> lithashset(A... items) {
HashSet<A> set = new HashSet();
for (A a : items) set.add(a);
return set;
}
static Throwable getException(Runnable r) {
try {
callF(r);
return null;
} catch (Throwable e) {
return e;
}
}
static boolean startsWithOneOf(String s, String... l) {
for (String x : l) if (startsWith(s, x)) return true; return false;
}
static boolean startsWithOneOf(String s, Matches m, String... l) {
for (String x : l) if (startsWith(s, x, m)) return true; return false;
}
static boolean isAGIBlueDomain(String domain) {
return domainIsUnder(domain, theAGIBlueDomain());
}
static String hostNameFromURL(String url) { try {
return new URL(url).getHost();
} catch (Exception __e) { throw rethrow(__e); } }
static boolean startsWith(String a, String b) {
return a != null && a.startsWith(unnull(b));
}
static boolean startsWith(String a, char c) {
return nemptyString(a) && a.charAt(0) == c;
}
static boolean startsWith(String a, String b, Matches m) {
if (!startsWith(a, b)) return false;
m.m = new String[] {substring(a, strL(b))};
return true;
}
static boolean startsWith(List a, List b) {
if (a == null || listL(b) > listL(a)) return false;
for (int i = 0; i < listL(b); i++)
if (neq(a.get(i), b.get(i)))
return false;
return true;
}
static String substring(String s, int x) {
return substring(s, x, strL(s));
}
static String substring(String s, int x, int y) {
if (s == null) return null;
if (x < 0) x = 0;
int n = s.length();
if (y < x) y = x;
if (y > n) y = n;
if (x >= y) return "";
return s.substring(x, y);
}
static String substring(String s, IntRange r) {
return r == null ? null : substring(s, r.start, r.end);
}
// convenience method for quickly dropping a prefix
static String substring(String s, CharSequence l) {
return substring(s, l(l));
}
static boolean domainIsUnder(String domain, String mainDomain) {
return eqic(domain, mainDomain) || ewic(domain, "." + mainDomain);
}
static String theAGIBlueDomain() {
return "agi.blue";
}
static String unnull(String s) {
return s == null ? "" : s;
}
static <A> Collection<A> unnull(Collection<A> l) {
return l == null ? emptyList() : l;
}
static <A> List<A> unnull(List<A> l) { return l == null ? emptyList() : l; }
static int[] unnull(int[] l) { return l == null ? emptyIntArray() : l; }
static char[] unnull(char[] l) { return l == null ? emptyCharArray() : l; }
static double[] unnull(double[] l) { return l == null ? emptyDoubleArray() : l; }
static <A, B> Map<A, B> unnull(Map<A, B> l) {
return l == null ? emptyMap() : l;
}
static <A> Iterable<A> unnull(Iterable<A> i) {
return i == null ? emptyList() : i;
}
static <A> A[] unnull(A[] a) {
return a == null ? (A[]) emptyObjectArray() : a;
}
static BitSet unnull(BitSet b) {
return b == null ? new BitSet() : b;
}
//ifclass Symbol
static <A, B> Pair<A, B> unnull(Pair<A, B> p) {
return p != null ? p : new Pair(null, null);
}
static long unnull(Long l) { return l == null ? 0L : l; }
static boolean nemptyString(String s) {
return s != null && s.length() > 0;
}
static int strL(String s) {
return s == null ? 0 : s.length();
}
static int listL(Collection l) {
return l == null ? 0 : l.size();
}
static boolean neq(Object a, Object b) {
return !eq(a, b);
}
static boolean eqic(String a, String b) {
if ((a == null) != (b == null)) return false;
if (a == null) return true;
return a.equalsIgnoreCase(b);
}
static boolean eqic(char a, char b) {
if (a == b) return true;
char u1 = Character.toUpperCase(a);
char u2 = Character.toUpperCase(b);
if (u1 == u2) return true;
return Character.toLowerCase(u1) == Character.toLowerCase(u2);
}
static boolean ewic(String a, String b) {
return endsWithIgnoreCase(a, b);
}
static boolean ewic(String a, String b, Matches m) {
return endsWithIgnoreCase(a, b, m);
}
static int[] emptyIntArray_a = new int[0];
static int[] emptyIntArray() { return emptyIntArray_a; }
static char[] emptyCharArray = new char[0];
static char[] emptyCharArray() { return emptyCharArray; }
static double[] emptyDoubleArray = new double[0];
static double[] emptyDoubleArray() { return emptyDoubleArray; }
static Map emptyMap() {
return new HashMap();
}
static Object[] emptyObjectArray_a = new Object[0];
static Object[] emptyObjectArray() { return emptyObjectArray_a; }
static String asString(Object o) {
return o == null ? null : o.toString();
}
static boolean endsWithIgnoreCase(String a, String b) {
int la = l(a), lb = l(b);
return la >= lb && regionMatchesIC(a, la-lb, b, 0, lb);
}
static boolean endsWithIgnoreCase(String a, String b, Matches m) {
if (!endsWithIgnoreCase(a, b)) return false;
m.m = new String[] { substring(a, 0, l(a)-l(b)) };
return true;
}
static boolean regionMatchesIC(String a, int offsetA, String b, int offsetB, int len) {
return a != null && a.regionMatches(true, offsetA, b, offsetB, len);
}
// immutable, has strong refs
final static class _MethodCache {
final Class c;
final HashMap<String, List<Method>> cache = new HashMap();
_MethodCache(Class c) {
this.c = c; _init(); }
void _init() {
Class _c = c;
while (_c != null) {
for (Method m : _c.getDeclaredMethods())
if (!isAbstract(m) && !reflection_isForbiddenMethod(m))
multiMapPut(cache, m.getName(), makeAccessible(m));
_c = _c.getSuperclass();
}
// add default methods - this might lead to a duplication
// because the overridden method is also added, but it's not
// a problem except for minimal performance loss.
for (Class intf : allInterfacesImplementedBy(c))
for (Method m : intf.getDeclaredMethods())
if (m.isDefault() && !reflection_isForbiddenMethod(m))
multiMapPut(cache, m.getName(), makeAccessible(m));
}
// Returns only matching methods
Method findMethod(String method, Object[] args) { try {
List<Method> m = cache.get(method);
if (m == null) return null;
int n = m.size();
for (int i = 0; i < n; i++) {
Method me = m.get(i);
if (call_checkArgs(me, args, false))
return me;
}
return null;
} catch (Exception __e) { throw rethrow(__e); } }
Method findStaticMethod(String method, Object[] args) { try {
List<Method> m = cache.get(method);
if (m == null) return null;
int n = m.size();
for (int i = 0; i < n; i++) {
Method me = m.get(i);
if (isStaticMethod(me) && call_checkArgs(me, args, false))
return me;
}
return null;
} catch (Exception __e) { throw rethrow(__e); } }
}static abstract class VF1<A> implements IVF1<A> {
public abstract void get(A a);
}static class Matches {
String[] m;
Matches() {}
Matches(String... m) {
this.m = m;}
String get(int i) { return i < m.length ? m[i] : null; }
String unq(int i) { return unquote(get(i)); }
String tlc(int i) { return unq(i).toLowerCase(); }
boolean bool(int i) { return "true".equals(unq(i)); }
String rest() { return m[m.length-1]; } // for matchStart
int psi(int i) { return Integer.parseInt(unq(i)); }
public String toString() { return "Matches(" + joinWithComma(quoteAll(asList(m))) + ")"; }
public int hashCode() { return _hashCode(toList(m)); }
public boolean equals(Object o) { return o instanceof Matches && arraysEqual(m, ((Matches) o).m); }
}
static class PersistableThrowable {
String className;
String msg;
String stacktrace;
PersistableThrowable() {}
PersistableThrowable(Throwable e) {
if (e == null)
className = "Crazy Null Error";
else {
className = getClassName(e).replace('/', '.');
msg = e.getMessage();
stacktrace = getStackTrace_noRecord(e);
}
}
public String toString() {
return nempty(msg) ? className + ": " + msg : className;
}
}// not changed yet: allow cookie to be read right after being set
static boolean NanoHTTPD_debug = false;
static abstract class NanoHTTPD implements AutoCloseable {
boolean decodePercentInURI = false; // I set this to false, makes more sense to me
boolean noQueryStringParameter = true;
static ThreadLocal<IHTTPSession> currentSession = new ThreadLocal<IHTTPSession>();
static List<IHTTPSession> badClients = synchroList();
/**
* Pluggable strategy for asynchronously executing requests.
*/
public interface AsyncRunner {
void closeAll();
void closed(ClientHandler clientHandler);
void exec(ClientHandler code);
}
/**
* The runnable that will be used for every new client connection.
*/
public class ClientHandler implements Runnable {
private final InputStream inputStream;
final Socket acceptSocket;
private ClientHandler(InputStream inputStream, Socket acceptSocket) {
this.inputStream = inputStream;
this.acceptSocket = acceptSocket;
}
public void close() {
safeClose(this.inputStream);
safeClose(this.acceptSocket);
}
@Override
public void run() {
OutputStream outputStream = null;
try {
//outputStream = wrapStuff("SocketOutputStream", this.acceptSocket.getOutputStream(), this.acceptSocket);
outputStream = this.acceptSocket.getOutputStream();
TempFileManager tempFileManager = NanoHTTPD.this.tempFileManagerFactory.create();
HTTPSession session = new HTTPSession(tempFileManager, this.inputStream, outputStream, this.acceptSocket.getInetAddress());
if (NanoHTTPD_debug) print("NanoHTTPD: Have session");
while (!this.acceptSocket.isClosed() && !session.badClient) {
session.execute();
}
} catch (Exception e) {
// When the socket is closed by the client,
// we throw our own SocketException
// to break the "keep alive" loop above. If
// the exception was anything other
// than the expected SocketException OR a
// SocketTimeoutException, print the
// stacktrace
print("NanoHTTPD: Error " + e);
if (!(e instanceof SocketException && "NanoHttpd Shutdown".equals(e.getMessage())) && !(e instanceof SocketTimeoutException)) {
NanoHTTPD.LOG.log(Level.FINE, "Communication with the client broken", e);
}
} finally {
safeClose(outputStream);
safeClose(this.inputStream);
safeClose(this.acceptSocket);
NanoHTTPD.this.asyncRunner.closed(this);
if (NanoHTTPD_debug) print("NanoHTTPD: finally branch done");
}
}
}
public static class Cookie {
public static String getHTTPTime(int days) {
Calendar calendar = Calendar.getInstance();
SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss z", Locale.US);
dateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
calendar.add(Calendar.DAY_OF_MONTH, days);
return dateFormat.format(calendar.getTime());
}
final String n, v, e;
String domain, path;
public Cookie(String name, String value) {
this(name, value, 30);
}
public Cookie(String name, String value, int numDays) {
this.n = name;
this.v = value;
this.e = getHTTPTime(numDays);
}
public Cookie(String name, String value, String expires) {
this.n = name;
this.v = value;
this.e = expires;
}
public String getHTTPHeader() {
StringBuilder buf = new StringBuilder();
buf.append(n).append("=").append(v).append("; expires=").append(e);
if (nempty(domain)) buf.append("; Domain=").append(domain);
if (nempty(path)) buf.append("; Path=").append(path);
return buf.toString();
}
}
/**
* Provides rudimentary support for cookies. Doesn't support 'path',
* 'secure' nor 'httpOnly'. Feel free to improve it and/or add unsupported
* features.
*
* @author LordFokas
*/
public class CookieHandler implements Iterable<String> {
private final HashMap<String, String> cookies = new HashMap<String, String>();
private final ArrayList<Cookie> queue = new ArrayList<Cookie>();
public CookieHandler(Map<String, String> httpHeaders) {
String raw = httpHeaders.get("cookie");
if (raw != null) {
String[] tokens = raw.split(";");
for (String token : tokens) {
String[] data = token.trim().split("=");
if (data.length == 2) {
this.cookies.put(data[0], data[1]);
}
}
}
}
/**
* Set a cookie with an expiration date from a month ago, effectively
* deleting it on the client side.
*
* @param name
* The cookie name.
*/
public void delete(String name) {
set(name, "-delete-", -30);
}
@Override
public Iterator<String> iterator() {
return this.cookies.keySet().iterator();
}
/**
* Read a cookie from the HTTP Headers.
*
* @param name
* The cookie's name.
* @return The cookie's value if it exists, null otherwise.
*/
public String read(String name) {
return this.cookies.get(name);
}
public void set(Cookie cookie) {
this.queue.add(cookie);
//cookies.put(cookie.n, cookie.v); // CHANGED
}
/**
* Sets a cookie.
*
* @param name
* The cookie's name.
* @param value
* The cookie's value.
* @param expires
* How many days until the cookie expires.
*/
public Cookie set(String name, String value, int expires) {
return addAndReturn(this.queue, new Cookie(name, value, Cookie.getHTTPTime(expires)));
}
/**
* Internally used by the webserver to add all queued cookies into the
* Response's HTTP Headers.
*
* @param response
* The Response object to which headers the queued cookies
* will be added.
*/
public void unloadQueue(Response response) {
for (Cookie cookie : this.queue) {
response.addHeader("Set-Cookie", cookie.getHTTPHeader());
}
}
}
/**
* Default threading strategy for NanoHTTPD.
* <p/>
* <p>
* By default, the server spawns a new Thread for every incoming request.
* These are set to <i>daemon</i> status, and named according to the request
* number. The name is useful when profiling the application.
* </p>
*/
public static class DefaultAsyncRunner implements AsyncRunner {
private long requestCount;
private final List<ClientHandler> running = Collections.synchronizedList(new ArrayList<NanoHTTPD.ClientHandler>());
/**
* @return a list with currently running clients.
*/
public List<ClientHandler> getRunning() {
return running;
}
@Override
public void closeAll() {
// copy of the list for concurrency
for (ClientHandler clientHandler : new ArrayList<ClientHandler>(this.running)) {
clientHandler.close();
}
}
@Override
public void closed(ClientHandler clientHandler) {
this.running.remove(clientHandler);
}
@Override
public void exec(ClientHandler clientHandler) {
++this.requestCount;
Thread t = new Thread(clientHandler);
//t.setDaemon(true);
String clientIP = "?";
try { clientIP = clientHandler.acceptSocket.getInetAddress().getHostAddress().toString(); } catch (Throwable __e) { _handleException(__e); }
t.setName("NanoHttpd serving request #" + this.requestCount + " to " + clientIP);
this.running.add(clientHandler);
t.start();
}
}
/**
* Default strategy for creating and cleaning up temporary files.
* <p/>
* <p>
* By default, files are created by <code>File.createTempFile()</code> in
* the directory specified.
* </p>
*/
public static class DefaultTempFile implements TempFile {
private final File file;
private final OutputStream fstream;
public DefaultTempFile(String tempdir) throws IOException {
this.file = File.createTempFile("NanoHTTPD-", "", new File(tempdir));
this.fstream = new FileOutputStream(this.file);
System.err.println("Temp file created: " + file);
}
@Override
public void delete() throws Exception {
safeClose(this.fstream);
System.err.println("Temp file deleted: " + file);
if (!this.file.delete()) {
throw new Exception("could not delete temporary file");
}
}
@Override
public String getName() {
return this.file.getAbsolutePath();
}
@Override
public OutputStream open() throws Exception {
return this.fstream;
}
}
/**
* Default strategy for creating and cleaning up temporary files.
* <p/>
* <p>
* This class stores its files in the standard location (that is, wherever
* <code>java.io.tmpdir</code> points to). Files are added to an internal
* list, and deleted when no longer needed (that is, when
* <code>clear()</code> is invoked at the end of processing a request).
* </p>
*/
public static class DefaultTempFileManager implements TempFileManager {
private final String tmpdir;
private final List<TempFile> tempFiles;
public DefaultTempFileManager() {
this.tmpdir = tempDir().getPath(); // use JavaX, dude
// System.getProperty("java.io.tmpdir");
this.tempFiles = new ArrayList<TempFile>();
}
@Override
public void clear() {
for (TempFile file : this.tempFiles) {
try {
file.delete();
} catch (Exception ignored) {
NanoHTTPD.LOG.log(Level.WARNING, "could not delete file ", ignored);
}
}
this.tempFiles.clear();
}
@Override
public TempFile createTempFile() throws Exception {
DefaultTempFile tempFile = new DefaultTempFile(this.tmpdir);
this.tempFiles.add(tempFile);
return tempFile;
}
}
/**
* Default strategy for creating and cleaning up temporary files.
*/
private class DefaultTempFileManagerFactory implements TempFileManagerFactory {
@Override
public TempFileManager create() {
return new DefaultTempFileManager();
}
}
private static final String CONTENT_DISPOSITION_REGEX = "([ |\t]*Content-Disposition[ |\t]*:)(.*)";
private static final Pattern CONTENT_DISPOSITION_PATTERN = Pattern.compile(CONTENT_DISPOSITION_REGEX, Pattern.CASE_INSENSITIVE);
private static final String CONTENT_TYPE_REGEX = "([ |\t]*content-type[ |\t]*:)(.*)";
private static final Pattern CONTENT_TYPE_PATTERN = Pattern.compile(CONTENT_TYPE_REGEX, Pattern.CASE_INSENSITIVE);
private static final String CONTENT_DISPOSITION_ATTRIBUTE_REGEX = "[ |\t]*([a-zA-Z]*)[ |\t]*=[ |\t]*['|\"]([^\"^']*)['|\"]";
private static final Pattern CONTENT_DISPOSITION_ATTRIBUTE_PATTERN = Pattern.compile(CONTENT_DISPOSITION_ATTRIBUTE_REGEX);
class HTTPSession implements IHTTPSession {
boolean badClient = false;
long opened = sysNow();
public static final int BUFSIZE = 8192;
private final TempFileManager tempFileManager;
private final OutputStream outputStream;
private final PushbackInputStream inputStream;
private int splitbyte;
private int rlen;
private String uri;
private Method method;
private Map<String, String> parms;
private Map<String, String> headers;
Map<String, String> files = new HashMap();
private CookieHandler cookies;
private String queryParameterString;
private String remoteIp;
private String protocolVersion;
public HTTPSession(TempFileManager tempFileManager, InputStream inputStream, OutputStream outputStream) {
this.tempFileManager = tempFileManager;
this.inputStream = new PushbackInputStream(inputStream, HTTPSession.BUFSIZE);
this.outputStream = outputStream;
}
public HTTPSession(TempFileManager tempFileManager, InputStream inputStream, OutputStream outputStream, InetAddress inetAddress) {
this.tempFileManager = tempFileManager;
this.inputStream = new PushbackInputStream(inputStream, HTTPSession.BUFSIZE);
this.outputStream = outputStream;
this.remoteIp = inetAddress.isLoopbackAddress() || inetAddress.isAnyLocalAddress() ? "127.0.0.1" : inetAddress.getHostAddress().toString();
this.headers = new LinkedHashMap<String, String>();
}
public void badClient(boolean b) { badClient = b; }
/**
* Decodes the sent headers and loads the data into Key/value pairs
*/
private void decodeHeader(BufferedReader in, Map<String, String> pre, Map<String, String> parms, Map<String, String> headers, Map<String, String> files) throws ResponseException {
try {
// Read the request line
String inLine = in.readLine();
if (inLine == null) {
return;
}
StringTokenizer st = new StringTokenizer(inLine);
if (!st.hasMoreTokens()) {
throw new ResponseException(Status.BAD_REQUEST, "BAD REQUEST: Syntax error. Usage: GET /example/file.html");
}
pre.put("method", st.nextToken());
if (!st.hasMoreTokens()) {
throw new ResponseException(Status.BAD_REQUEST, "BAD REQUEST: Missing URI. Usage: GET /example/file.html");
}
String uri = st.nextToken();
// Decode parameters from the URI
int qmi = uri.indexOf('?');
if (qmi >= 0) {
String query = uri.substring(qmi + 1);
files.put("query", query);
decodeParms(query, parms);
uri = uri.substring(0, qmi);
}
if (decodePercentInURI)
uri = decodePercent(uri);
// If there's another token, its protocol version,
// followed by HTTP headers.
// NOTE: this now forces header names lower case since they are
// case insensitive and vary by client.
if (st.hasMoreTokens()) {
protocolVersion = st.nextToken();
} else {
protocolVersion = "HTTP/1.1";
NanoHTTPD.LOG.log(Level.FINE, "no protocol version specified, strange. Assuming HTTP/1.1.");
}
String line = in.readLine();
while (line != null && line.trim().length() > 0) {
int p = line.indexOf(':');
if (p >= 0) {
headers.put(line.substring(0, p).trim().toLowerCase(Locale.US), line.substring(p + 1).trim());
}
line = in.readLine();
}
pre.put("uri", uri);
} catch (IOException ioe) {
throw new ResponseException(Status.INTERNAL_ERROR, "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage(), ioe);
}
}
/**
* Decodes the Multipart Body data and put it into Key/Value pairs.
*/
private void decodeMultipartFormData(String boundary, ByteBuffer fbuf, Map<String, String> parms, Map<String, String> files) throws ResponseException {
try {
int[] boundary_idxs = getBoundaryPositions(fbuf, boundary.getBytes());
if (boundary_idxs.length < 2) {
throw new ResponseException(
Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but contains less than two boundary strings.");
}
final int MAX_HEADER_SIZE = 1024;
byte[] part_header_buff = new byte[MAX_HEADER_SIZE];
for (int bi = 0; bi < boundary_idxs.length - 1; bi++) {
fbuf.position(boundary_idxs[bi]);
int len = (fbuf.remaining() < MAX_HEADER_SIZE) ? fbuf.remaining() : MAX_HEADER_SIZE;
fbuf.get(part_header_buff, 0, len);
ByteArrayInputStream bais = new ByteArrayInputStream(part_header_buff, 0, len);
BufferedReader in = new BufferedReader(new InputStreamReader(bais, Charset.forName("US-ASCII")));
// First line is boundary string
String mpline = in.readLine();
if (!mpline.contains(boundary)) {
throw new ResponseException(Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but chunk does not start with boundary.");
}
String part_name = null, file_name = null, content_type = null;
// Parse the reset of the header lines
mpline = in.readLine();
while (mpline != null && mpline.trim().length() > 0) {
Matcher matcher = CONTENT_DISPOSITION_PATTERN.matcher(mpline);
if (matcher.matches()) {
String attributeString = matcher.group(2);
matcher = CONTENT_DISPOSITION_ATTRIBUTE_PATTERN.matcher(attributeString);
while (matcher.find()) {
String key = matcher.group(1);
if (key.equalsIgnoreCase("name")) {
part_name = matcher.group(2);
} else if (key.equalsIgnoreCase("filename")) {
file_name = matcher.group(2);
}
}
}
matcher = CONTENT_TYPE_PATTERN.matcher(mpline);
if (matcher.matches()) {
content_type = matcher.group(2).trim();
}
mpline = in.readLine();
}
// Read the part data
int part_header_len = len - (int) in.skip(MAX_HEADER_SIZE);
if (part_header_len >= len - 4) {
throw new ResponseException(Status.INTERNAL_ERROR, "Multipart header size exceeds MAX_HEADER_SIZE.");
}
int part_data_start = boundary_idxs[bi] + part_header_len;
int part_data_end = boundary_idxs[bi + 1] - 4;
fbuf.position(part_data_start);
if (content_type == null) {
// Read the part into a string
byte[] data_bytes = new byte[part_data_end - part_data_start];
fbuf.get(data_bytes);
parms.put(part_name, new String(data_bytes));
} else {
// Read it into a file
String path = saveTmpFile(fbuf, part_data_start, part_data_end - part_data_start);
if (!files.containsKey(part_name)) {
files.put(part_name, path);
} else {
int count = 2;
while (files.containsKey(part_name + count)) {
count++;
}
files.put(part_name + count, path);
}
parms.put(part_name, file_name);
}
}
} catch (ResponseException re) {
throw re;
} catch (Exception e) {
throw new ResponseException(Status.INTERNAL_ERROR, e.toString());
}
}
/**
* Decodes parameters in percent-encoded URI-format ( e.g.
* "name=Jack%20Daniels&pass=Single%20Malt" ) and adds them to given
* Map. NOTE: this doesn't support multiple identical keys due to the
* simplicity of Map.
*/
private void decodeParms(String parms, Map<String, String> p) {
if (parms == null) {
this.queryParameterString = "";
return;
}
this.queryParameterString = parms;
StringTokenizer st = new StringTokenizer(parms, "&");
while (st.hasMoreTokens()) {
String e = st.nextToken();
int sep = e.indexOf('=');
if (sep >= 0) {
p.put(decodePercent(e.substring(0, sep)).trim(), decodePercent(e.substring(sep + 1)));
} else {
p.put(decodePercent(e).trim(), "");
}
}
}
@Override
public void execute() throws IOException {
Response r = null;
try {
// Read the first 8192 bytes.
// The full header should fit in here.
// Apache's default header limit is 8KB.
// Do NOT assume that a single read will get the entire header
// at once!
byte[] buf = new byte[HTTPSession.BUFSIZE];
this.splitbyte = 0;
this.rlen = 0;
int read = -1;
try {
read = this.inputStream.read(buf, 0, HTTPSession.BUFSIZE);
} catch (Exception e) {
safeClose(this.inputStream);
safeClose(this.outputStream);
throw new SocketException("NanoHttpd Shutdown");
}
if (read == -1) {
// socket was been closed
safeClose(this.inputStream);
safeClose(this.outputStream);
throw new SocketException("NanoHttpd Shutdown");
}
while (read > 0) {
this.rlen += read;
this.splitbyte = findHeaderEnd(buf, this.rlen);
if (this.splitbyte > 0)
break;
if (rlen >= buf.length) {
if (NanoHTTPD_debug)
printWithIndent("HEADER> ", new String(buf));
throw fail("Header too big (" + rlen + " bytes)");
}
read = this.inputStream.read(buf, this.rlen, HTTPSession.BUFSIZE - this.rlen);
}
if (this.splitbyte < this.rlen) {
this.inputStream.unread(buf, this.splitbyte, this.rlen - this.splitbyte);
}
this.parms = new HashMap<String, String>();
if (null == this.headers) {
this.headers = new HashMap<String, String>();
} else {
this.headers.clear();
}
if (null != this.remoteIp) {
this.headers.put("remote-addr", this.remoteIp);
this.headers.put("http-client-ip", this.remoteIp);
}
// Create a BufferedReader for parsing the header.
BufferedReader hin = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(buf, 0, this.rlen)));
// Decode the header into parms and header java properties
Map<String, String> pre = new LinkedHashMap<String, String>();
decodeHeader(hin, pre, this.parms, this.headers, this.files);
this.method = Method.lookup(pre.get("method"));
if (this.method == null) {
throw new ResponseException(Status.BAD_REQUEST, "BAD REQUEST: Syntax error.");
}
this.uri = pre.get("uri");
this.cookies = new CookieHandler(this.headers);
String connection = this.headers.get("connection");
boolean keepAlive = protocolVersion.equals("HTTP/1.1") && (connection == null || !connection.matches("(?i).*close.*"));
// Ok, now do the serve()
r = serve(this);
if (badClient) return;
if (r == null) {
throw new ResponseException(Status.INTERNAL_ERROR, "SERVER INTERNAL ERROR: Serve() returned a null response.");
} else {
String acceptEncoding = this.headers.get("accept-encoding");
this.cookies.unloadQueue(r);
r.setRequestMethod(this.method);
r.setGzipEncoding(useGzipWhenAccepted(r) && acceptEncoding != null && acceptEncoding.contains("gzip"));
r.setKeepAlive(keepAlive);
r.send(this.outputStream);
}
if (!keepAlive || "close".equalsIgnoreCase(r.getHeader("connection"))) {
throw new SocketException("NanoHttpd Shutdown");
}
} catch (SocketException e) {
// throw it out to close socket object (finalAccept)
throw e;
} catch (SocketTimeoutException ste) {
// treat socket timeouts the same way we treat socket exceptions
// i.e. close the stream & finalAccept object by throwing the
// exception up the call stack.
throw ste;
} catch (IOException ioe) {
Response resp = newFixedLengthResponse(Status.INTERNAL_ERROR, NanoHTTPD.MIME_PLAINTEXT, "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage());
resp.send(this.outputStream);
safeClose(this.outputStream);
} catch (ResponseException re) {
Response resp = newFixedLengthResponse(re.getStatus(), NanoHTTPD.MIME_PLAINTEXT, re.getMessage());
resp.send(this.outputStream);
safeClose(this.outputStream);
} finally {
if (badClient)
badClients.add(this);
else
safeClose(r);
this.tempFileManager.clear();
}
}
/**
* Find byte index separating header from body. It must be the last byte
* of the first two sequential new lines.
*/
private int findHeaderEnd(final byte[] buf, int rlen) {
int splitbyte = 0;
while (splitbyte + 3 < rlen) {
if (buf[splitbyte] == '\r' && buf[splitbyte + 1] == '\n' && buf[splitbyte + 2] == '\r' && buf[splitbyte + 3] == '\n') {
return splitbyte + 4;
}
splitbyte++;
}
return 0;
}
/**
* Find the byte positions where multipart boundaries start. This reads
* a large block at a time and uses a temporary buffer to optimize
* (memory mapped) file access.
*/
private int[] getBoundaryPositions(ByteBuffer b, byte[] boundary) {
int[] res = new int[0];
if (b.remaining() < boundary.length) {
return res;
}
int search_window_pos = 0;
byte[] search_window = new byte[4 * 1024 + boundary.length];
int first_fill = (b.remaining() < search_window.length) ? b.remaining() : search_window.length;
b.get(search_window, 0, first_fill);
int new_bytes = first_fill - boundary.length;
do {
// Search the search_window
for (int j = 0; j < new_bytes; j++) {
for (int i = 0; i < boundary.length; i++) {
if (search_window[j + i] != boundary[i])
break;
if (i == boundary.length - 1) {
// Match found, add it to results
int[] new_res = new int[res.length + 1];
System.arraycopy(res, 0, new_res, 0, res.length);
new_res[res.length] = search_window_pos + j;
res = new_res;
}
}
}
search_window_pos += new_bytes;
// Copy the end of the buffer to the start
System.arraycopy(search_window, search_window.length - boundary.length, search_window, 0, boundary.length);
// Refill search_window
new_bytes = search_window.length - boundary.length;
new_bytes = (b.remaining() < new_bytes) ? b.remaining() : new_bytes;
b.get(search_window, boundary.length, new_bytes);
} while (new_bytes > 0);
return res;
}
@Override
public CookieHandler getCookies() {
return this.cookies;
}
@Override
public final Map<String, String> getHeaders() {
return this.headers;
}
@Override
public final Map<String, String> getFiles() {
return this.files;
}
@Override
public final InputStream getInputStream() {
return this.inputStream;
}
@Override
public final Method getMethod() {
return this.method;
}
@Override
public final Map<String, String> getParms() {
return this.parms;
}
@Override
public String getQueryParameterString() {
return this.queryParameterString;
}
private RandomAccessFile getTmpBucket() {
try {
TempFile tempFile = this.tempFileManager.createTempFile();
return new RandomAccessFile(tempFile.getName(), "rw");
} catch (Exception e) {
throw new Error(e); // we won't recover, so throw an error
}
}
@Override
public final String getUri() {
return this.uri;
}
@Override
public void parseBody() throws IOException, ResponseException {
final int REQUEST_BUFFER_LEN = 512;
final int MEMORY_STORE_LIMIT = 1024;
RandomAccessFile randomAccessFile = null;
try {
long size;
if (this.headers.containsKey("content-length")) {
size = Integer.parseInt(this.headers.get("content-length"));
} else if (this.splitbyte < this.rlen) {
size = this.rlen - this.splitbyte;
} else {
size = 0;
}
ByteArrayOutputStream baos = null;
DataOutput request_data_output = null;
// Store the request in memory or a file, depending on size
if (size < MEMORY_STORE_LIMIT) {
baos = new ByteArrayOutputStream();
request_data_output = new DataOutputStream(baos);
} else {
randomAccessFile = getTmpBucket();
request_data_output = randomAccessFile;
}
// Read all the body and write it to request_data_output
byte[] buf = new byte[REQUEST_BUFFER_LEN];
while (this.rlen >= 0 && size > 0) {
this.rlen = this.inputStream.read(buf, 0, (int) Math.min(size, REQUEST_BUFFER_LEN));
size -= this.rlen;
if (this.rlen > 0) {
request_data_output.write(buf, 0, this.rlen);
}
}
ByteBuffer fbuf = null;
if (baos != null) {
fbuf = ByteBuffer.wrap(baos.toByteArray(), 0, baos.size());
} else {
fbuf = randomAccessFile.getChannel().map(FileChannel.MapMode.READ_ONLY, 0, randomAccessFile.length());
randomAccessFile.seek(0);
}
// If the method is POST, there may be parameters
// in data section, too, read it:
if (Method.POST.equals(this.method)) {
String contentType = "";
String contentTypeHeader = this.headers.get("content-type");
StringTokenizer st = null;
if (contentTypeHeader != null) {
st = new StringTokenizer(contentTypeHeader, ",; ");
if (st.hasMoreTokens()) {
contentType = st.nextToken();
}
}
if ("multipart/form-data".equalsIgnoreCase(contentType)) {
// Handle multipart/form-data
if (!st.hasMoreTokens()) {
throw new ResponseException(Status.BAD_REQUEST,
"BAD REQUEST: Content type is multipart/form-data but boundary missing. Usage: GET /example/file.html");
}
String boundaryStartString = "boundary=";
int boundaryContentStart = contentTypeHeader.indexOf(boundaryStartString) + boundaryStartString.length();
String boundary = contentTypeHeader.substring(boundaryContentStart, contentTypeHeader.length());
if (boundary.startsWith("\"") && boundary.endsWith("\"")) {
boundary = boundary.substring(1, boundary.length() - 1);
}
decodeMultipartFormData(boundary, fbuf, this.parms, files);
} else {
byte[] postBytes = new byte[fbuf.remaining()];
if (NanoHTTPD_debug)
print("NanoHTTPD: Handling POST data (" + l(postBytes) + " bytes)");
fbuf.get(postBytes);
String postLine = new String(postBytes).trim();
// Handle application/x-www-form-urlencoded
if ("application/x-www-form-urlencoded".equalsIgnoreCase(contentType)) {
decodeParms(postLine, this.parms);
} else if (postLine.length() != 0) {
// Special case for raw POST data => create a
// special files entry "postData" with raw content
// data
files.put("postData", postLine);
}
}
} else if (Method.PUT.equals(this.method)) {
files.put("content", saveTmpFile(fbuf, 0, fbuf.limit()));
}
} finally {
safeClose(randomAccessFile);
}
}
/**
* Retrieves the content of a sent file and saves it to a temporary
* file. The full path to the saved file is returned.
*/
private String saveTmpFile(ByteBuffer b, int offset, int len) {
String path = "";
if (len > 0) {
FileOutputStream fileOutputStream = null;
try {
TempFile tempFile = this.tempFileManager.createTempFile();
ByteBuffer src = b.duplicate();
fileOutputStream = new FileOutputStream(tempFile.getName());
FileChannel dest = fileOutputStream.getChannel();
src.position(offset).limit(offset + len);
dest.write(src.slice());
path = tempFile.getName();
} catch (Exception e) { // Catch exception if any
throw new Error(e); // we won't recover, so throw an error
} finally {
safeClose(fileOutputStream);
}
}
return path;
}
public String remoteIp() { return remoteIp; }
} // end of HTTPSession
/**
* Handles one session, i.e. parses the HTTP request and returns the
* response.
*/
public interface IHTTPSession {
void badClient(boolean b);
void execute() throws IOException;
CookieHandler getCookies();
Map<String, String> getHeaders();
Map<String, String> getFiles();
InputStream getInputStream();
Method getMethod();
Map<String, String> getParms();
String getQueryParameterString();
/**
* @return the path part of the URL.
*/
String getUri();
/**
* Adds the files in the request body to the files map.
*
* @param files
* map to modify
*/
void parseBody() throws IOException, ResponseException;
String remoteIp();
}
/**
* HTTP Request methods, with the ability to decode a <code>String</code>
* back to its enum value.
*/
public enum Method {
GET,
PUT,
POST,
DELETE,
HEAD,
OPTIONS,
TRACE,
CONNECT,
PATCH;
static Method lookup(String method) {
for (Method m : Method.values()) {
if (m.toString().equalsIgnoreCase(method)) {
return m;
}
}
return null;
}
}
/**
* HTTP response. Return one of these from serve().
*/
public static class Response implements Closeable {
/**
* Output stream that will automatically send every write to the wrapped
* OutputStream according to chunked transfer:
* http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.6.1
*/
private static class ChunkedOutputStream extends FilterOutputStream {
public ChunkedOutputStream(OutputStream out) {
super(out);
}
@Override
public void write(int b) throws IOException {
byte[] data = {
(byte) b
};
write(data, 0, 1);
}
@Override
public void write(byte[] b) throws IOException {
write(b, 0, b.length);
}
@Override
public void write(byte[] b, int off, int len) throws IOException {
if (len == 0)
return;
out.write(String.format("%x\r\n", len).getBytes());
out.write(b, off, len);
out.write("\r\n".getBytes());
}
public void finish() throws IOException {
out.write("0\r\n\r\n".getBytes());
}
}
/**
* HTTP status code after processing, e.g. "200 OK", Status.OK
*/
private IStatus status;
/**
* MIME type of content, e.g. "text/html"
*/
private String mimeType;
/**
* Data of the response, may be null.
*/
private InputStream data;
private long contentLength;
/**
* Headers for the HTTP response. Use addHeader() to add lines.
*/
//private final Map<String, String> header = new HashMap<String, String>();
final Map<String, String> header = lithashmap("X-Powered-By", "JavaX");
/**
* The request method that spawned this response.
*/
private Method requestMethod;
/**
* Use chunkedTransfer
*/
private boolean chunkedTransfer = false;
private boolean encodeAsGzip = false;
private boolean keepAlive = false;
/**
* Creates a fixed length response if totalBytes>=0, otherwise chunked.
*/
protected Response(IStatus status, String mimeType, InputStream data, long totalBytes) {
this.status = status;
this.mimeType = mimeType;
if (data == null) {
this.data = new ByteArrayInputStream(new byte[0]);
this.contentLength = 0L;
} else {
this.data = data;
this.contentLength = totalBytes;
}
this.chunkedTransfer = this.contentLength < 0;
keepAlive = true;
}
@Override
public void close() throws IOException {
if (this.data != null) {
this.data.close();
}
}
/**
* Adds given line to the header.
*/
public void addHeader(String name, String value) {
this.header.put(name, value);
}
public InputStream getData() {
return this.data;
}
public String getHeader(String name) {
for (String headerName : header.keySet()) {
if (headerName.equalsIgnoreCase(name)) {
return header.get(headerName);
}
}
return null;
}
public String getMimeType() {
return this.mimeType;
}
public Method getRequestMethod() {
return this.requestMethod;
}
public IStatus getStatus() {
return this.status;
}
public void setGzipEncoding(boolean encodeAsGzip) {
this.encodeAsGzip = encodeAsGzip;
}
public void setKeepAlive(boolean useKeepAlive) {
this.keepAlive = useKeepAlive;
}
private boolean headerAlreadySent(Map<String, String> header, String name) {
boolean alreadySent = false;
for (String headerName : header.keySet()) {
alreadySent |= headerName.equalsIgnoreCase(name);
}
return alreadySent;
}
/**
* Sends given response to the socket.
*/
protected void send(OutputStream outputStream) {
String mime = this.mimeType;
SimpleDateFormat gmtFrmt = new SimpleDateFormat("E, d MMM yyyy HH:mm:ss 'GMT'", Locale.US);
gmtFrmt.setTimeZone(TimeZone.getTimeZone("GMT"));
try {
if (this.status == null) {
throw new Error("sendResponse(): Status can't be null.");
}
PrintWriter pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(outputStream, "UTF-8")), false);
pw.print("HTTP/1.1 " + this.status.getDescription() + " \r\n");
if (mime != null) {
pw.print("Content-Type: " + mime + "\r\n");
}
if (this.header == null || this.header.get("Date") == null) {
pw.print("Date: " + gmtFrmt.format(new Date()) + "\r\n");
}
if (this.header != null) {
for (String key : this.header.keySet()) {
String value = this.header.get(key);
pw.print(key + ": " + value + "\r\n");
}
}
if (!headerAlreadySent(header, "connection")) {
pw.print("Connection: " + (this.keepAlive ? "keep-alive" : "close") + "\r\n");
}
if (headerAlreadySent(this.header, "content-length")) {
encodeAsGzip = false;
}
if (encodeAsGzip) {
pw.print("Content-Encoding: gzip\r\n");
setChunkedTransfer(true);
}
long pending = this.data != null ? this.contentLength : 0;
if (this.requestMethod != Method.HEAD && this.chunkedTransfer) {
pw.print("Transfer-Encoding: chunked\r\n");
} else if (!encodeAsGzip) {
pending = sendContentLengthHeaderIfNotAlreadyPresent(pw, this.header, pending);
}
pw.print("\r\n");
pw.flush();
sendBodyWithCorrectTransferAndEncoding(outputStream, pending);
outputStream.flush();
safeClose(this.data);
} catch (IOException ioe) {
NanoHTTPD.LOG.log(Level.SEVERE, "Could not send response to the client", ioe);
}
}
private void sendBodyWithCorrectTransferAndEncoding(OutputStream outputStream, long pending) throws IOException {
if (this.requestMethod != Method.HEAD && this.chunkedTransfer) {
ChunkedOutputStream chunkedOutputStream = new ChunkedOutputStream(outputStream);
sendBodyWithCorrectEncoding(chunkedOutputStream, -1);
chunkedOutputStream.finish();
} else {
sendBodyWithCorrectEncoding(outputStream, pending);
}
}
private void sendBodyWithCorrectEncoding(OutputStream outputStream, long pending) throws IOException {
if (encodeAsGzip) {
GZIPOutputStream gzipOutputStream = new GZIPOutputStream(outputStream);
sendBody(gzipOutputStream, -1);
gzipOutputStream.finish();
} else {
sendBody(outputStream, pending);
}
}
/**
* Sends the body to the specified OutputStream. The pending parameter
* limits the maximum amounts of bytes sent unless it is -1, in which
* case everything is sent.
*
* @param outputStream
* the OutputStream to send data to
* @param pending
* -1 to send everything, otherwise sets a max limit to the
* number of bytes sent
* @throws IOException
* if something goes wrong while sending the data.
*/
private void sendBody(OutputStream outputStream, long pending) throws IOException {
long BUFFER_SIZE = 16 * 1024;
byte[] buff = new byte[(int) BUFFER_SIZE];
boolean sendEverything = pending == -1;
while (pending > 0 || sendEverything) {
long bytesToRead = sendEverything ? BUFFER_SIZE : Math.min(pending, BUFFER_SIZE);
int read = this.data.read(buff, 0, (int) bytesToRead);
if (read <= 0) {
break;
}
outputStream.write(buff, 0, read);
if (!sendEverything) {
pending -= read;
}
}
}
protected long sendContentLengthHeaderIfNotAlreadyPresent(PrintWriter pw, Map<String, String> header, long size) {
for (String headerName : header.keySet()) {
if (headerName.equalsIgnoreCase("content-length")) {
try {
return Long.parseLong(header.get(headerName));
} catch (NumberFormatException ex) {
return size;
}
}
}
pw.print("Content-Length: " + size + "\r\n");
return size;
}
public void setChunkedTransfer(boolean chunkedTransfer) {
this.chunkedTransfer = chunkedTransfer;
}
public void setData(InputStream data) {
this.data = data;
}
public void setMimeType(String mimeType) {
this.mimeType = mimeType;
}
public void setRequestMethod(Method requestMethod) {
this.requestMethod = requestMethod;
}
public void setStatus(IStatus status) {
this.status = status;
}
}
public static final class ResponseException extends Exception {
private static final long serialVersionUID = 6569838532917408380L;
private final Status status;
public ResponseException(Status status, String message) {
super(message);
this.status = status;
}
public ResponseException(Status status, String message, Exception e) {
super(message, e);
this.status = status;
}
public Status getStatus() {
return this.status;
}
}
/**
* The runnable that will be used for the main listening thread.
*/
public class ServerRunnable implements Runnable {
private final int timeout;
private IOException bindException;
private boolean hasBinded = false;
private ServerRunnable(int timeout) {
this.timeout = timeout;
}
@Override
public void run() {
try {
myServerSocket.bind(hostname != null ? new InetSocketAddress(hostname, myPort) : new InetSocketAddress(myPort));
hasBinded = true;
} catch (IOException e) {
print("Was trying to bind to port: " + myPort + (hostname == null ? "" : " on " + hostname));
this.bindException = e;
return;
}
do {
try {
final Socket finalAccept = NanoHTTPD.this.myServerSocket.accept();
if (NanoHTTPD_debug) print("NanoHTTPD: New socket.");
if (this.timeout > 0) {
finalAccept.setSoTimeout(this.timeout);
}
final InputStream inputStream = wrapStuff("SocketInputStream", finalAccept.getInputStream(), finalAccept, NanoHTTPD.this.myServerSocket);
if (NanoHTTPD_debug) print("NanoHTTPD: Have input stream.");
NanoHTTPD.this.asyncRunner.exec(createClientHandler(finalAccept, inputStream));
} catch (IOException e) {
NanoHTTPD.LOG.log(Level.FINE, "Communication with the client broken", e);
}
} while (!NanoHTTPD.this.myServerSocket.isClosed());
}
}
/**
* A temp file.
* <p/>
* <p>
* Temp files are responsible for managing the actual temporary storage and
* cleaning themselves up when no longer needed.
* </p>
*/
public interface TempFile {
void delete() throws Exception;
String getName();
OutputStream open() throws Exception;
}
/**
* Temp file manager.
* <p/>
* <p>
* Temp file managers are created 1-to-1 with incoming requests, to create
* and cleanup temporary files created as a result of handling the request.
* </p>
*/
public interface TempFileManager {
void clear();
TempFile createTempFile() throws Exception;
}
/**
* Factory to create temp file managers.
*/
public interface TempFileManagerFactory {
TempFileManager create();
}
/**
* Maximum time to wait on Socket.getInputStream().read() (in milliseconds)
* This is required as the Keep-Alive HTTP connections would otherwise block
* the socket reading thread forever (or as long the browser is open).
*/
public static int SOCKET_READ_TIMEOUT =
// 5000;
24*3600*1000; // for WebSockets!
/**
* Common MIME type for dynamic content: plain text
*/
public static final String MIME_PLAINTEXT = "text/plain; charset=utf-8";
/**
* Common MIME type for dynamic content: html
*/
public static final String MIME_HTML = "text/html; charset=utf-8";
/**
* Pseudo-Parameter to use to store the actual query string in the
* parameters map for later re-processing.
*/
private static final String QUERY_STRING_PARAMETER = "NanoHttpd.QUERY_STRING";
/**
* logger to log to.
*/
private static final Logger LOG = Logger.getLogger(NanoHTTPD.class.getName());
/**
* Creates an SSLSocketFactory for HTTPS. Pass a loaded KeyStore and an
* array of loaded KeyManagers. These objects must properly
* loaded/initialized by the caller.
*/
public static SSLServerSocketFactory makeSSLSocketFactory(KeyStore loadedKeyStore, KeyManager[] keyManagers) throws IOException {
SSLServerSocketFactory res = null;
try {
TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
trustManagerFactory.init(loadedKeyStore);
SSLContext ctx = SSLContext.getInstance("TLS");
ctx.init(keyManagers, trustManagerFactory.getTrustManagers(), null);
res = ctx.getServerSocketFactory();
} catch (Exception e) {
throw new IOException(e.getMessage());
}
return res;
}
/**
* Creates an SSLSocketFactory for HTTPS. Pass a loaded KeyStore and a
* loaded KeyManagerFactory. These objects must properly loaded/initialized
* by the caller.
*/
public static SSLServerSocketFactory makeSSLSocketFactory(KeyStore loadedKeyStore, KeyManagerFactory loadedKeyFactory) throws IOException {
SSLServerSocketFactory res = null;
try {
TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
trustManagerFactory.init(loadedKeyStore);
SSLContext ctx = SSLContext.getInstance("TLS");
ctx.init(loadedKeyFactory.getKeyManagers(), trustManagerFactory.getTrustManagers(), null);
res = ctx.getServerSocketFactory();
} catch (Exception e) {
throw new IOException(e.getMessage());
}
return res;
}
/**
* Creates an SSLSocketFactory for HTTPS. Pass a KeyStore resource with your
* certificate and passphrase
*/
public static SSLServerSocketFactory makeSSLSocketFactory(String keyAndTrustStoreClasspathPath, char[] passphrase) throws IOException {
SSLServerSocketFactory res = null;
try {
KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
InputStream keystoreStream = NanoHTTPD.class.getResourceAsStream(keyAndTrustStoreClasspathPath);
keystore.load(keystoreStream, passphrase);
TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
trustManagerFactory.init(keystore);
KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
keyManagerFactory.init(keystore, passphrase);
SSLContext ctx = SSLContext.getInstance("TLS");
ctx.init(keyManagerFactory.getKeyManagers(), trustManagerFactory.getTrustManagers(), null);
res = ctx.getServerSocketFactory();
} catch (Exception e) {
throw new IOException(e.getMessage());
}
return res;
}
private static final void safeClose(Object closeable) {
try {
if (closeable != null) {
if (closeable instanceof Closeable) {
((Closeable) closeable).close();
} else if (closeable instanceof Socket) {
((Socket) closeable).close();
} else if (closeable instanceof ServerSocket) {
((ServerSocket) closeable).close();
} else {
throw new IllegalArgumentException("Unknown object to close");
}
}
} catch (IOException e) {
NanoHTTPD.LOG.log(Level.SEVERE, "Could not close", e);
}
}
private final String hostname;
private final int myPort;
private ServerSocket myServerSocket;
private SSLServerSocketFactory sslServerSocketFactory;
private Thread myThread;
/**
* Pluggable strategy for asynchronously executing requests.
*/
protected AsyncRunner asyncRunner;
/**
* Pluggable strategy for creating and cleaning up temporary files.
*/
private TempFileManagerFactory tempFileManagerFactory;
/**
* Constructs an HTTP server on given port.
*/
public NanoHTTPD(int port) {
this(null, port);
}
// -------------------------------------------------------------------------------
// //
//
// Threading Strategy.
//
// -------------------------------------------------------------------------------
// //
/**
* Constructs an HTTP server on given hostname and port.
*/
public NanoHTTPD(String hostname, int port) {
this.hostname = hostname;
this.myPort = port;
setTempFileManagerFactory(new DefaultTempFileManagerFactory());
setAsyncRunner(new DefaultAsyncRunner());
}
/**
* Forcibly closes all connections that are open.
*/
public synchronized void closeAllConnections() {
stop();
}
/**
* create a instance of the client handler, subclasses can return a subclass
* of the ClientHandler.
*
* @param finalAccept
* the socket the cleint is connected to
* @param inputStream
* the input stream
* @return the client handler
*/
protected ClientHandler createClientHandler(final Socket finalAccept, final InputStream inputStream) {
return new ClientHandler(inputStream, finalAccept);
}
/**
* Instantiate the server runnable, can be overwritten by subclasses to
* provide a subclass of the ServerRunnable.
*
* @param timeout
* the socet timeout to use.
* @return the server runnable.
*/
protected ServerRunnable createServerRunnable(final int timeout) {
return new ServerRunnable(timeout);
}
/**
* Decode parameters from a URL, handing the case where a single parameter
* name might have been supplied several times, by return lists of values.
* In general these lists will contain a single element.
*
* @param parms
* original <b>NanoHTTPD</b> parameters values, as passed to the
* <code>serve()</code> method.
* @return a map of <code>String</code> (parameter name) to
* <code>List<String></code> (a list of the values supplied).
*/
protected Map<String, List<String>> decodeParameters(Map<String, String> parms) {
return this.decodeParameters(parms.get(NanoHTTPD.QUERY_STRING_PARAMETER));
}
// -------------------------------------------------------------------------------
// //
/**
* Decode parameters from a URL, handing the case where a single parameter
* name might have been supplied several times, by return lists of values.
* In general these lists will contain a single element.
*
* @param queryString
* a query string pulled from the URL.
* @return a map of <code>String</code> (parameter name) to
* <code>List<String></code> (a list of the values supplied).
*/
protected Map<String, List<String>> decodeParameters(String queryString) {
Map<String, List<String>> parms = new HashMap<String, List<String>>();
if (queryString != null) {
StringTokenizer st = new StringTokenizer(queryString, "&");
while (st.hasMoreTokens()) {
String e = st.nextToken();
int sep = e.indexOf('=');
String propertyName = sep >= 0 ? decodePercent(e.substring(0, sep)).trim() : decodePercent(e).trim();
if (!parms.containsKey(propertyName)) {
parms.put(propertyName, new ArrayList<String>());
}
String propertyValue = sep >= 0 ? decodePercent(e.substring(sep + 1)) : null;
// XXX Stefan - allow raw parameters - took the if out:
/* if (propertyValue != null) */ {
parms.get(propertyName).add(propertyValue);
}
}
}
return parms;
}
/**
* Decode percent encoded <code>String</code> values.
*
* @param str
* the percent encoded <code>String</code>
* @return expanded form of the input, for example "foo%20bar" becomes
* "foo bar"
*/
protected String decodePercent(String str) {
String decoded = null;
try {
decoded = URLDecoder.decode(str, "UTF8");
} catch (UnsupportedEncodingException ignored) {
NanoHTTPD.LOG.log(Level.WARNING, "Encoding not supported, ignored", ignored);
}
return decoded;
}
/**
* @return true if the gzip compression should be used if the client
* accespts it. Default this option is on for text content and off
* for everything else.
*/
protected boolean useGzipWhenAccepted(Response r) {
return r.getMimeType() != null && r.getMimeType().toLowerCase().contains("text/");
}
public final int getListeningPort() {
return this.myServerSocket == null ? -1 : this.myServerSocket.getLocalPort();
}
public final boolean isAlive() {
return wasStarted() && !this.myServerSocket.isClosed() && this.myThread.isAlive();
}
public void join() throws InterruptedException {
myThread.join();
}
/**
* Call before start() to serve over HTTPS instead of HTTP
*/
public void makeSecure(SSLServerSocketFactory sslServerSocketFactory) {
this.sslServerSocketFactory = sslServerSocketFactory;
}
/**
* Create a response with unknown length (using HTTP 1.1 chunking).
*/
public static Response newChunkedResponse(IStatus status, String mimeType, InputStream data) {
return new Response(status, mimeType, data, -1);
}
/**
* Create a response with known length.
*/
public static Response newFixedLengthResponse(IStatus status, String mimeType, InputStream data, long totalBytes) {
return new Response(status, mimeType, data, totalBytes);
}
/**
* Create a text response with known length.
*/
public static Response newFixedLengthResponse(IStatus status, String mimeType, String txt) {
if (txt == null) {
return newFixedLengthResponse(status, mimeType, new ByteArrayInputStream(new byte[0]), 0);
} else {
byte[] bytes;
try {
bytes = txt.getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
NanoHTTPD.LOG.log(Level.SEVERE, "encoding problem, responding nothing", e);
bytes = new byte[0];
}
return newFixedLengthResponse(status, mimeType, new ByteArrayInputStream(bytes), bytes.length);
}
}
/**
* Create a text response with known length.
*/
public static Response newFixedLengthResponse(String msg) {
return newFixedLengthResponse(Status.OK, NanoHTTPD.MIME_HTML, msg);
}
/**
* Override this to customize the server.
* <p/>
* <p/>
* (By default, this returns a 404 "Not Found" plain text error response.)
*
* @param session
* The HTTP session
* @return HTTP response, see class Response for details
*/
public Response serve(IHTTPSession session) {
currentSession.set(session);
Method method = session.getMethod();
if (Method.PUT.equals(method) || Method.POST.equals(method)) {
try {
session.parseBody();
} catch (IOException ioe) {
return newFixedLengthResponse(Status.INTERNAL_ERROR, NanoHTTPD.MIME_PLAINTEXT, "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage());
} catch (ResponseException re) {
return newFixedLengthResponse(re.getStatus(), NanoHTTPD.MIME_PLAINTEXT, re.getMessage());
}
}
Map<String, String> parms = session.getParms();
if (!noQueryStringParameter)
parms.put(NanoHTTPD.QUERY_STRING_PARAMETER, session.getQueryParameterString());
return serve(session.getUri(), method, session.getHeaders(), parms, session.getFiles());
}
/**
* Override this to customize the server.
* <p/>
* <p/>
* (By default, this returns a 404 "Not Found" plain text error response.)
*
* @param uri
* Percent-decoded URI without parameters, for example
* "/index.cgi"
* @param method
* "GET", "POST" etc.
* @param parms
* Parsed, percent decoded parameters from URI and, in case of
* POST, data.
* @param headers
* Header entries, percent decoded
* @return HTTP response, see class Response for details
*/
@Deprecated
public Response serve(String uri, Method method, Map<String, String> headers, Map<String, String> parms, Map<String, String> files) {
return newFixedLengthResponse(Status.NOT_FOUND, NanoHTTPD.MIME_PLAINTEXT, "Not Found");
}
/**
* Pluggable strategy for asynchronously executing requests.
*
* @param asyncRunner
* new strategy for handling threads.
*/
public void setAsyncRunner(AsyncRunner asyncRunner) {
this.asyncRunner = asyncRunner;
}
/**
* Pluggable strategy for creating and cleaning up temporary files.
*
* @param tempFileManagerFactory
* new strategy for handling temp files.
*/
public void setTempFileManagerFactory(TempFileManagerFactory tempFileManagerFactory) {
this.tempFileManagerFactory = tempFileManagerFactory;
}
/**
* Start the server.
*
* @throws IOException
* if the socket is in use.
*/
public void start() throws IOException {
start(NanoHTTPD.SOCKET_READ_TIMEOUT);
}
/**
* Start the server.
*
* @param timeout
* timeout to use for socket connections.
* @throws IOException
* if the socket is in use.
*/
public void start(final int timeout) throws IOException {
boolean ssl = this.sslServerSocketFactory != null;
if (ssl) {
SSLServerSocket ss = (SSLServerSocket) this.sslServerSocketFactory.createServerSocket();
ss.setNeedClientAuth(false);
this.myServerSocket = ss;
} else {
this.myServerSocket = new ServerSocket();
}
this.myServerSocket.setReuseAddress(true);
ServerRunnable serverRunnable = createServerRunnable(timeout);
this.myThread = new Thread(serverRunnable);
//this.myThread.setDaemon(true);
this.myThread.setName("NanoHttpd Main Listener");
this.myThread.start();
while (!serverRunnable.hasBinded && serverRunnable.bindException == null) {
try {
Thread.sleep(10L);
} catch (Throwable e) {
// on android this may not be allowed, that's why we
// catch throwable the wait should be very short because we are
// just waiting for the bind of the socket
}
}
if (serverRunnable.bindException != null) {
throw serverRunnable.bindException;
}
System.out.println("HTTP" + (ssl ? "S" : "") + " server started (listening on port " + getListeningPort() + "!)");
printMyIPs();
}
/**
* Stop the server.
*/
public void stop() {
try {
safeClose(this.myServerSocket);
this.asyncRunner.closeAll();
if (this.myThread != null) {
this.myThread.join();
}
} catch (Exception e) {
NanoHTTPD.LOG.log(Level.SEVERE, "Could not stop all connections", e);
}
}
public final boolean wasStarted() {
return this.myServerSocket != null && this.myThread != null;
}
static void printMyIPs() {
String ip;
try {
Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
while (interfaces.hasMoreElements()) {
NetworkInterface iface = interfaces.nextElement();
// filters out 127.0.0.1 and inactive interfaces
if (iface.isLoopback() || !iface.isUp())
continue;
Enumeration<InetAddress> addresses = iface.getInetAddresses();
while(addresses.hasMoreElements()) {
InetAddress addr = addresses.nextElement();
ip = addr.getHostAddress();
if (ip.startsWith("127.")) continue;
boolean local = addr.isSiteLocalAddress() || ip.startsWith("fe");
System.out.println(iface.getDisplayName() + " " + ip + " " + (local ? "(private address)" : "(public address)"));
}
}
} catch (Throwable e) {
e.printStackTrace();
}
}
static interface IStatus {
String getDescription();
int getRequestStatus();
}
/**
* Some HTTP response status codes
*/
static enum Status implements IStatus {
SWITCH_PROTOCOL(101, "Switching Protocols"),
OK(200, "OK"),
CREATED(201, "Created"),
ACCEPTED(202, "Accepted"),
NO_CONTENT(204, "No Content"),
PARTIAL_CONTENT(206, "Partial Content"),
REDIRECT(301, "Moved Permanently"),
NOT_MODIFIED(304, "Not Modified"),
BAD_REQUEST(400, "Bad Request"),
UNAUTHORIZED(401, "Unauthorized"),
FORBIDDEN(403, "Forbidden"),
NOT_FOUND(404, "Not Found"),
METHOD_NOT_ALLOWED(405, "Method Not Allowed"),
REQUEST_TIMEOUT(408, "Request Timeout"),
RANGE_NOT_SATISFIABLE(416, "Requested Range Not Satisfiable"),
INTERNAL_ERROR(500, "Internal Server Error"),
UNSUPPORTED_HTTP_VERSION(505, "HTTP Version Not Supported");
private final int requestStatus;
private final String description;
Status(int requestStatus, String description) {
this.requestStatus = requestStatus;
this.description = description;
}
@Override
public String getDescription() {
return "" + this.requestStatus + " " + this.description;
}
@Override
public int getRequestStatus() {
return this.requestStatus;
}
}
int getPort() { return myPort; }
public void close() { stop(); }
}
static abstract class F1<A, B> {
abstract B get(A a);
}static class Pair<A, B> implements Comparable<Pair<A, B>> {
A a;
B b;
Pair() {}
Pair(A a, B b) {
this.b = b;
this.a = a;}
public int hashCode() {
return hashCodeFor(a) + 2*hashCodeFor(b);
}
public boolean equals(Object o) {
if (o == this) return true;
if (!(o instanceof Pair)) return false;
Pair t = (Pair) o;
return eq(a, t.a) && eq(b, t.b);
}
public String toString() {
return "<" + a + ", " + b + ">";
}
public int compareTo(Pair<A, B> p) {
if (p == null) return 1;
int i = ((Comparable<A>) a).compareTo(p.a);
if (i != 0) return i;
return ((Comparable<B>) b).compareTo(p.b);
}
}
static interface IVF1<A> {
void get(A a);
}
static boolean isAbstract(Class c) {
return (c.getModifiers() & Modifier.ABSTRACT) != 0;
}
static boolean isAbstract(Method m) {
return (m.getModifiers() & Modifier.ABSTRACT) != 0;
}
static boolean reflection_isForbiddenMethod(Method m) {
return m.getDeclaringClass() == Object.class
&& eqOneOf(m.getName(), "finalize", "clone", "registerNatives");
}
static Set<Class> allInterfacesImplementedBy(Class c) {
if (c == null) return null;
HashSet<Class> set = new HashSet();
allInterfacesImplementedBy_find(c, set);
return set;
}
static void allInterfacesImplementedBy_find(Class c, Set<Class> set) {
if (c.isInterface() && !set.add(c)) return;
do {
for (Class intf : c.getInterfaces())
allInterfacesImplementedBy_find(intf, set);
} while ((c = c.getSuperclass()) != null);
}
static Method findMethod(Object o, String method, Object... args) {
return findMethod_cached(o, method, args);
}
static boolean findMethod_checkArgs(Method m, Object[] args, boolean debug) {
Class<?>[] types = m.getParameterTypes();
if (types.length != args.length) {
if (debug)
System.out.println("Bad parameter length: " + args.length + " vs " + types.length);
return false;
}
for (int i = 0; i < types.length; i++)
if (!(args[i] == null || isInstanceX(types[i], args[i]))) {
if (debug)
System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]);
return false;
}
return true;
}
static Method findStaticMethod(Class c, String method, Object... args) {
Class _c = c;
while (c != null) {
for (Method m : c.getDeclaredMethods()) {
if (!m.getName().equals(method))
continue;
if ((m.getModifiers() & Modifier.STATIC) == 0 || !findStaticMethod_checkArgs(m, args))
continue;
return m;
}
c = c.getSuperclass();
}
return null;
}
static boolean findStaticMethod_checkArgs(Method m, Object[] args) {
Class<?>[] types = m.getParameterTypes();
if (types.length != args.length)
return false;
for (int i = 0; i < types.length; i++)
if (!(args[i] == null || isInstanceX(types[i], args[i])))
return false;
return true;
}
static String unquote(String s) {
if (s == null) return null;
if (startsWith(s, '[')) {
int i = 1;
while (i < s.length() && s.charAt(i) == '=') ++i;
if (i < s.length() && s.charAt(i) == '[') {
String m = s.substring(1, i);
if (s.endsWith("]" + m + "]"))
return s.substring(i+1, s.length()-i-1);
}
}
if (s.length() > 1) {
char c = s.charAt(0);
if (c == '\"' || c == '\'') {
int l = endsWith(s, c) ? s.length()-1 : s.length();
StringBuilder sb = new StringBuilder(l-1);
for (int i = 1; i < l; i++) {
char ch = s.charAt(i);
if (ch == '\\') {
char nextChar = (i == l - 1) ? '\\' : s.charAt(i + 1);
// Octal escape?
if (nextChar >= '0' && nextChar <= '7') {
String code = "" + nextChar;
i++;
if ((i < l - 1) && s.charAt(i + 1) >= '0'
&& s.charAt(i + 1) <= '7') {
code += s.charAt(i + 1);
i++;
if ((i < l - 1) && s.charAt(i + 1) >= '0'
&& s.charAt(i + 1) <= '7') {
code += s.charAt(i + 1);
i++;
}
}
sb.append((char) Integer.parseInt(code, 8));
continue;
}
switch (nextChar) {
case '\"': ch = '\"'; break;
case '\\': ch = '\\'; break;
case 'b': ch = '\b'; break;
case 'f': ch = '\f'; break;
case 'n': ch = '\n'; break;
case 'r': ch = '\r'; break;
case 't': ch = '\t'; break;
case '\'': ch = '\''; break;
// Hex Unicode: u????
case 'u':
if (i >= l - 5) {
ch = 'u';
break;
}
int code = Integer.parseInt(
"" + s.charAt(i + 2) + s.charAt(i + 3)
+ s.charAt(i + 4) + s.charAt(i + 5), 16);
sb.append(Character.toChars(code));
i += 5;
continue;
default:
ch = nextChar; // added by Stefan
}
i++;
}
sb.append(ch);
}
return sb.toString();
}
}
return s; // not quoted - return original
}
static List<String> quoteAll(Collection<String> l) {
List<String> x = new ArrayList();
for (String s : l)
x.add(quote(s));
return x;
}
static int _hashCode(Object a) {
return a == null ? 0 : a.hashCode();
}
static <A> ArrayList<A> toList(A[] a) { return asList(a); }
static ArrayList<Integer> toList(int[] a) { return asList(a); }
static <A> ArrayList<A> toList(Set<A> s) { return asList(s); }
static <A> ArrayList<A> toList(Iterable<A> s) { return asList(s); }
static boolean arraysEqual(Object[] a, Object[] b) {
if (a.length != b.length) return false;
for (int i = 0; i < a.length; i++)
if (neq(a[i], b[i])) return false;
return true;
}
static boolean nempty(Collection c) {
return !empty(c);
}
static boolean nempty(CharSequence s) {
return !empty(s);
}
static boolean nempty(Object[] o) { return !empty(o); }
static boolean nempty(byte[] o) { return !empty(o); }
static boolean nempty(int[] o) { return !empty(o); }
static boolean nempty(Map m) {
return !empty(m);
}
static boolean nempty(Iterator i) {
return i != null && i.hasNext();
}
static boolean nempty(Object o) { return !empty(o); }
static boolean nempty(IntRange r) { return !empty(r); }
static <A> A set(A o, String field, Object value) {
if (o == null) return null;
if (o instanceof Class) set((Class) o, field, value);
else try {
Field f = set_findField(o.getClass(), field);
makeAccessible(f);
smartSet(f, o, value);
} catch (Exception e) {
throw new RuntimeException(e);
}
return o;
}
static void set(Class c, String field, Object value) {
if (c == null) return;
try {
Field f = set_findStaticField(c, field);
makeAccessible(f);
smartSet(f, null, value);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Field set_findStaticField(Class<?> c, String field) {
Class _c = c;
do {
for (Field f : _c.getDeclaredFields())
if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
return f;
_c = _c.getSuperclass();
} while (_c != null);
throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
}
static Field set_findField(Class<?> c, String field) {
Class _c = c;
do {
for (Field f : _c.getDeclaredFields())
if (f.getName().equals(field))
return f;
_c = _c.getSuperclass();
} while (_c != null);
throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
}
static <A> Iterator<A> iterator(Iterable<A> c) {
return c == null ? emptyIterator() : c.iterator();
}
static <B, A extends B> A addAndReturn(Collection<B> c, A a) {
if (c != null) c.add(a);
return a;
}
static File tempDir() {
return makeTempDir();
}
static File createTempFile() {
return createTempFile("tmp", null);
}
static File createTempFile(String prefix, String suffix) { try {
prefix = nohup_sanitize(prefix);
suffix = nohup_sanitize(suffix);
if (shouldKeepTempFiles())
return mkdirsForFile(javaxCachesDir("Temp/" + prefix + "-" + randomID() + "-" + suffix));
// File.createTempFile needs at least 3 prefix characters, so we
// fíll them up for you
File f = File.createTempFile(takeFirst(10, pad(prefix, 3, '-')), suffix);
f.deleteOnExit();
return f;
} catch (Exception __e) { throw rethrow(__e); } }
static long sysNow() {
ping();
return System.nanoTime()/1000000;
}
static <A> A printWithIndent(A o) {
return printIndent(o);
}
static <A> A printWithIndent(String indent, A o) {
return printIndent(indent, o);
}
static void printWithIndent(int indent, Object o) {
printIndent(indent, o);
}
static HashMap lithashmap(Object... x) {
return litmap(x);
}
// name currently not used, we only call a method called "_wrap" in
// the main class with the to-wrapped object as first argument and
// a list of other parameters as second argument.
static <A> A wrapStuff(String name, A object, Object... args) {
//ret or(object, (A) callOpt(mc(), "wrap" + name,
// toObjectArray(concatLists(litlist((O) object), toList(args)))));
return or((A) callOpt(mc(), "_wrap", object, asList(args)), object);
}
static void printMyIPs() {
String ip;
try {
Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
while (interfaces.hasMoreElements()) {
NetworkInterface iface = interfaces.nextElement();
// filters out 127.0.0.1 and inactive interfaces
if (iface.isLoopback() || !iface.isUp())
continue;
Enumeration<InetAddress> addresses = iface.getInetAddresses();
while(addresses.hasMoreElements()) {
InetAddress addr = addresses.nextElement();
ip = addr.getHostAddress();
if (ip.startsWith("127.")) continue;
boolean local = addr.isSiteLocalAddress() || ip.startsWith("fe");
System.out.println(iface.getDisplayName() + " " + ip + " " + (local ? "(private address)" : "(public address)"));
}
}
} catch (Throwable e) {
e.printStackTrace();
}
}
static int hashCodeFor(Object a) {
return a == null ? 0 : a.hashCode();
}
static Method findMethod_cached(Object o, String method, Object... args) { try {
if (o == null) return null;
if (o instanceof Class) {
_MethodCache cache = callOpt_getCache(((Class) o));
List<Method> methods = cache.cache.get(method);
if (methods != null) for (Method m : methods)
if (isStaticMethod(m) && findMethod_checkArgs(m, args, false))
return m;
return null;
} else {
_MethodCache cache = callOpt_getCache(o.getClass());
List<Method> methods = cache.cache.get(method);
if (methods != null) for (Method m : methods)
if (findMethod_checkArgs(m, args, false))
return m;
return null;
}
} catch (Exception __e) { throw rethrow(__e); } }
static boolean endsWith(String a, String b) {
return a != null && a.endsWith(b);
}
static boolean endsWith(String a, char c) {
return nempty(a) && lastChar(a) == c;
}
static boolean endsWith(String a, String b, Matches m) {
if (!endsWith(a, b)) return false;
m.m = new String[] {dropLast(l(b), a)};
return true;
}
static String quote(Object o) {
if (o == null) return "null";
return quote(str(o));
}
static String quote(String s) {
if (s == null) return "null";
StringBuilder out = new StringBuilder((int) (l(s)*1.5+2));
quote_impl(s, out);
return out.toString();
}
static void quote_impl(String s, StringBuilder out) {
out.append('"');
int l = s.length();
for (int i = 0; i < l; i++) {
char c = s.charAt(i);
if (c == '\\' || c == '"')
out.append('\\').append(c);
else if (c == '\r')
out.append("\\r");
else if (c == '\n')
out.append("\\n");
else if (c == '\t')
out.append("\\t");
else if (c == '\0')
out.append("\\0");
else
out.append(c);
}
out.append('"');
}
static void smartSet(Field f, Object o, Object value) throws Exception {
try {
f.set(o, value);
} catch (Exception e) {
Class type = f.getType();
// take care of common case (long to int)
if (type == int.class && value instanceof Long)
value = ((Long) value).intValue();
if (type == LinkedHashMap.class && value instanceof Map)
{ f.set(o, asLinkedHashMap((Map) value)); return; }
throw e;
}
}
static Iterator emptyIterator() {
return Collections.emptyIterator();
}
static File makeTempDir() {
return (File) call(getJavaX(), "TempDirMaker_make");
}
static String nohup_sanitize(String s) {
return empty(s) ? s : takeFirst(50, s.replaceAll("[^.a-zA-Z0-9\\-_]", ""));
}
static IF0<Boolean> shouldKeepTempFiles;
static boolean shouldKeepTempFiles() { return shouldKeepTempFiles != null ? shouldKeepTempFiles.get() : shouldKeepTempFiles_base(); }
final static boolean shouldKeepTempFiles_fallback(IF0<Boolean> _f) { return _f != null ? _f.get() : shouldKeepTempFiles_base(); }
static boolean shouldKeepTempFiles_base() {
return false;
}
public static File mkdirsForFile(File file) {
File dir = file.getParentFile();
if (dir != null) { // is null if file is in current dir
dir.mkdirs();
if (!dir.isDirectory())
if (dir.isFile()) throw fail("Please delete the file " + f2s(dir) + " - it is supposed to be a directory!");
else throw fail("Unknown IO exception during mkdirs of " + f2s(file));
}
return file;
}
public static String mkdirsForFile(String path) {
mkdirsForFile(new File(path));
return path;
}
static File javaxCachesDir_dir; // can be set to work on different base dir
static File javaxCachesDir() {
return javaxCachesDir_dir != null ? javaxCachesDir_dir : new File(userHome(), "JavaX-Caches");
}
static File javaxCachesDir(String sub) {
return newFile(javaxCachesDir(), sub);
}
static int randomID_defaultLength = 12;
static String randomID(int length) {
return makeRandomID(length);
}
static String randomID(Random r, int length) {
return makeRandomID(r, length);
}
static String randomID() {
return randomID(randomID_defaultLength);
}
static String randomID(Random r) {
return randomID(r, randomID_defaultLength);
}
static <A> List<A> takeFirst(List<A> l, int n) {
return l(l) <= n ? l : newSubListOrSame(l, 0, n);
}
static <A> List<A> takeFirst(int n, List<A> l) {
return takeFirst(l, n);
}
static String takeFirst(int n, String s) { return substring(s, 0, n); }
static String takeFirst(String s, int n) { return substring(s, 0, n); }
static CharSequence takeFirst(int n, CharSequence s) { return subCharSequence(s, 0, n); }
static <A> List<A> takeFirst(int n, Iterable<A> i) {
if (i == null) return null;
List l = new ArrayList();
Iterator<A> it = i.iterator();
for (int _repeat_0 = 0; _repeat_0 < n; _repeat_0++) { if (it.hasNext()) l.add(it.next()); else break; }
return l;
}
static int[] takeFirst(int n, int[] a) {
return takeFirstOfIntArray(n, a);
}
static String pad(Object s, int l) {
return pad(s, l, ' ');
}
static String pad(Object s, int l, char c) {
String _s = str(s);
if (lengthOfString(_s) >= l) return _s;
return rep(c, l-lengthOfString(_s)) + _s;
}
static <A> A printIndent(A o) {
print(indentx(str(o)));
return o;
}
static <A> A printIndent(String indent, A o) {
print(indentx(indent, str(o)));
return o;
}
static void printIndent(int indent, Object o) {
print(indentx(indent, str(o)));
}
static HashMap litmap(Object... x) {
HashMap map = new HashMap();
litmap_impl(map, x);
return map;
}
static void litmap_impl(Map map, Object... x) {
if (x != null) for (int i = 0; i < x.length-1; i += 2)
if (x[i+1] != null)
map.put(x[i], x[i+1]);
}
static Object callOpt(Object o) {
return callF(o);
}
static <A> A callOpt(Object o, String method, Object... args) {
return (A) callOpt_withVarargs(o, method, args);
}
static char lastChar(String s) {
return empty(s) ? '\0' : s.charAt(l(s)-1);
}
static <A> A[] dropLast(A[] a) { return dropLast(a, 1); }
static <A> A[] dropLast(A[] a, int n) {
if (a == null) return null;
n = Math.min(n, a.length);
A[] b = arrayOfSameType(a, a.length-n);
System.arraycopy(a, 0, b, 0, b.length);
return b;
}
static <A> List<A> dropLast(List<A> l) {
return subList(l, 0, l(l)-1);
}
static <A> List<A> dropLast(int n, List<A> l) {
return subList(l, 0, l(l)-n);
}
static <A> List<A> dropLast(Iterable<A> l) {
return dropLast(asList(l));
}
static String dropLast(String s) {
return substring(s, 0, l(s)-1);
}
static String dropLast(String s, int n) {
return substring(s, 0, l(s)-n);
}
static String dropLast(int n, String s) {
return dropLast(s, n);
}
static <A, B> LinkedHashMap<A, B> asLinkedHashMap(Map<A, B> map) {
if (map instanceof LinkedHashMap) return (LinkedHashMap) map;
LinkedHashMap<A, B> m = new LinkedHashMap();
if (map != null) synchronized(collectionMutex(map)) {
m.putAll(map);
}
return m;
}
static String f2s(File f) {
return f == null ? null : f.getAbsolutePath();
}
static String f2s(String s) { return f2s(newFile(s)); }
static String f2s(java.nio.file.Path p) {
return p == null ? null : f2s(p.toFile());
}
static String _userHome;
static String userHome() {
if (_userHome == null)
return actualUserHome();
return _userHome;
}
static File userHome(String path) {
return new File(userDir(), path);
}
static File newFile(File base, String... names) {
for (String name : names) base = new File(base, name);
return base;
}
static File newFile(String name) {
return name == null ? null : new File(name);
}
static File newFile(String base, String... names) {
return newFile(newFile(base), names);
}
static String makeRandomID(int length) {
return makeRandomID(length, defaultRandomGenerator());
}
static String makeRandomID(int length, Random random) {
char[] id = new char[length];
for (int i = 0; i < id.length; i++)
id[i] = (char) ((int) 'a' + random.nextInt(26));
return new String(id);
}
static String makeRandomID(Random r, int length) {
return makeRandomID(length, r);
}
static <A> List<A> newSubListOrSame(List<A> l, int startIndex) {
return newSubListOrSame(l, startIndex, l(l));
}
static <A> List<A> newSubListOrSame(List<A> l, int startIndex, int endIndex) {
if (l == null) return null;
int n = l(l);
startIndex = max(0, startIndex);
endIndex = min(n, endIndex);
if (startIndex >= endIndex) return ll();
if (startIndex == 0 && endIndex == n) return l;
return cloneList(l.subList(startIndex, endIndex));
}
static <A> List<A> newSubListOrSame(List<A> l, IntRange r) {
return newSubListOrSame(l, r.start, r.end);
}
static CharSequence subCharSequence(CharSequence s, int x) {
return subCharSequence(s, x, s == null ? 0 : s.length());
}
static CharSequence subCharSequence(CharSequence s, int x, int y) {
if (s == null) return null;
if (x < 0) x = 0;
if (x >= s.length()) return "";
if (y < x) y = x;
if (y > s.length()) y = s.length();
return s.subSequence(x, y);
}
static int[] takeFirstOfIntArray(int[] b, int n) {
return subIntArray(b, 0, n);
}
static int[] takeFirstOfIntArray(int n, int[] b) {
return takeFirstOfIntArray(b, n);
}
static int lengthOfString(String s) {
return s == null ? 0 : s.length();
}
static String rep(int n, char c) {
return repeat(c, n);
}
static String rep(char c, int n) {
return repeat(c, n);
}
static <A> List<A> rep(A a, int n) {
return repeat(a, n);
}
static <A> List<A> rep(int n, A a) {
return repeat(n, a);
}
static String indentx(String s) {
return indentx(indent_default, s);
}
static String indentx(int n, String s) {
return dropSuffix(repeat(' ', n), indent(n, s));
}
static String indentx(String indent, String s) {
return dropSuffix(indent, indent(indent, s));
}
static Object callOpt_withVarargs(Object o, String method, Object... args) { try {
if (o == null) return null;
if (o instanceof Class) {
Class c = (Class) o;
_MethodCache cache = callOpt_getCache(c);
Method me = cache.findMethod(method, args);
if (me == null) {
// TODO: varargs
return null;
}
if ((me.getModifiers() & Modifier.STATIC) == 0)
return null;
return invokeMethod(me, null, args);
} else {
Class c = o.getClass();
_MethodCache cache = callOpt_getCache(c);
Method me = cache.findMethod(method, args);
if (me != null)
return invokeMethod(me, o, args);
// try varargs
List<Method> methods = cache.cache.get(method);
if (methods != null) methodSearch: for (Method m : methods) {
{ if (!(m.isVarArgs())) continue; }
Object[] newArgs = massageArgsForVarArgsCall(m, args);
if (newArgs != null)
return invokeMethod(m, o, newArgs);
}
return null;
}
} catch (Exception __e) { throw rethrow(__e); } }
static <A> A[] arrayOfSameType(A[] a, int n) {
return newObjectArrayOfSameType(a, n);
}
static <A> List<A> subList(List<A> l, int startIndex) {
return subList(l, startIndex, l(l));
}
static <A> List<A> subList(int startIndex, int endIndex, List<A> l) {
return subList(l, startIndex, endIndex);
}
static <A> List<A> subList(List<A> l, int startIndex, int endIndex) {
if (l == null) return null;
int n = l(l);
startIndex = Math.max(0, startIndex);
endIndex = Math.min(n, endIndex);
if (startIndex >= endIndex) return ll();
if (startIndex == 0 && endIndex == n) return l;
return l.subList(startIndex, endIndex);
}
static <A> List<A> subList(List<A> l, IntRange r) {
return subList(l, r.start, r.end);
}
static String actualUserHome_value;
static String actualUserHome() {
if (actualUserHome_value == null) {
if (isAndroid())
actualUserHome_value = "/storage/emulated/0/";
else
actualUserHome_value = System.getProperty("user.home");
}
return actualUserHome_value;
}
static File actualUserHome(String sub) {
return newFile(new File(actualUserHome()), sub);
}
static File userDir() {
return new File(userHome());
}
static File userDir(String path) {
return new File(userHome(), path);
}
static Random defaultRandomGenerator() {
return ThreadLocalRandom.current();
}
static int min(int a, int b) {
return Math.min(a, b);
}
static long min(long a, long b) {
return Math.min(a, b);
}
static float min(float a, float b) { return Math.min(a, b); }
static float min(float a, float b, float c) { return min(min(a, b), c); }
static double min(double a, double b) {
return Math.min(a, b);
}
static double min(double[] c) {
double x = Double.MAX_VALUE;
for (double d : c) x = Math.min(x, d);
return x;
}
static float min(float[] c) {
float x = Float.MAX_VALUE;
for (float d : c) x = Math.min(x, d);
return x;
}
static byte min(byte[] c) {
byte x = 127;
for (byte d : c) if (d < x) x = d;
return x;
}
static short min(short[] c) {
short x = 0x7FFF;
for (short d : c) if (d < x) x = d;
return x;
}
static int min(int[] c) {
int x = Integer.MAX_VALUE;
for (int d : c) if (d < x) x = d;
return x;
}
static int[] subIntArray(int[] b, int start) {
return subIntArray(b, start, l(b));
}
static int[] subIntArray(int[] b, int start, int end) {
start = max(start, 0); end = min(end, l(b));
if (start == 0 && end == l(b)) return b;
if (start >= end) return new int[0];
int[] x = new int[end-start];
System.arraycopy(b, start, x, 0, end-start);
return x;
}
static int[] subIntArray(int[] a, IntRange r) {
return r == null ? null : subIntArray(a, r.start, r.end);
}
static String repeat(char c, int n) {
n = Math.max(n, 0);
char[] chars = new char[n];
for (int i = 0; i < n; i++)
chars[i] = c;
return new String(chars);
}
static <A> List<A> repeat(A a, int n) {
n = Math.max(n, 0);
List<A> l = new ArrayList(n);
for (int i = 0; i < n; i++)
l.add(a);
return l;
}
static <A> List<A> repeat(int n, A a) {
return repeat(a, n);
}
static String dropSuffix(String suffix, String s) {
return s.endsWith(suffix) ? s.substring(0, l(s)-l(suffix)) : s;
}
static int indent_default = 2;
static String indent(int indent) {
return repeat(' ', indent);
}
static String indent(int indent, String s) {
return indent(repeat(' ', indent), s);
}
static String indent(String indent, String s) {
return indent + s.replace("\n", "\n" + indent);
}
static String indent(String s) {
return indent(indent_default, s);
}
static List<String> indent(String indent, List<String> lines) {
List<String> l = new ArrayList();
if (lines != null) for (String s : lines)
l.add(indent + s);
return l;
}
static <A> A[] newObjectArrayOfSameType(A[] a, int n) {
return (A[]) Array.newInstance(a.getClass().getComponentType(), n);
}
static interface IF0<A> {
A get();
}// it's unclear whether the end is inclusive or exclusive
// (usually exclusive I guess)
static class IntRange {
int start, end;
IntRange() {}
IntRange(int start, int end) {
this.end = end;
this.start = start;}
IntRange(IntRange r) { start = r.start; end = r.end; }
public boolean equals(Object o) { return stdEq2(this, o); }
public int hashCode() { return stdHash2(this); }
final int length() { return end-start; }
final boolean empty() { return start >= end; }
final boolean isEmpty() { return start >= end; }
static String _fieldOrder = "start end";
public String toString() { return "[" + start + ";" + end + "]"; }
}
static boolean stdEq2(Object a, Object b) {
if (a == null) return b == null;
if (b == null) return false;
if (a.getClass() != b.getClass()) return false;
for (String field : allFields(a))
if (neq(getOpt(a, field), getOpt(b, field)))
return false;
return true;
}
static int stdHash2(Object a) {
if (a == null) return 0;
return stdHash(a, toStringArray(allFields(a)));
}
static Set<String> allFields(Object o) {
TreeSet<String> fields = new TreeSet();
Class _c = _getClass(o);
do {
for (Field f : _c.getDeclaredFields())
fields.add(f.getName());
_c = _c.getSuperclass();
} while (_c != null);
return fields;
}
static int stdHash(Object a, String... fields) {
if (a == null) return 0;
int hash = getClassName(a).hashCode();
for (String field : fields)
hash = boostHashCombine(hash, hashCode(getOpt(a, field)));
return hash;
}
static String[] toStringArray(Collection<String> c) {
String[] a = new String[l(c)];
Iterator<String> it = c.iterator();
for (int i = 0; i < l(a); i++)
a[i] = it.next();
return a;
}
static String[] toStringArray(Object o) {
if (o instanceof String[])
return (String[]) o;
else if (o instanceof Collection)
return toStringArray((Collection<String>) o);
else
throw fail("Not a collection or array: " + getClassName(o));
}
static int boostHashCombine(int a, int b) {
return a ^ (b + 0x9e3779b9 + (a << 6) + (a >> 2));
}
static int hashCode(Object a) {
return a == null ? 0 : a.hashCode();
}
}