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 android.app.*; import android.view.KeyEvent; import android.view.inputmethod.*; import android.text.*; import android.view.View; import android.content.Context; import android.app.Activity; import android.widget.*; import android.graphics.*; import android.hardware.Camera; import android.view.*; class main { public static void main(final String[] args) throws Exception { print("Listing cameras..."); runOnUiThread(new Runnable() { public void run() { try { int n = Camera.getNumberOfCameras(); System.out.println("Cameras: " + n); final Camera cam = Camera.open(0/*n-1*/); Camera.Parameters p = cam.getParameters(); p.setPreviewSize(100, 100); cam.setParameters(p); SurfaceView surfaceView = new SurfaceView(androidContext()); SurfaceHolder surfaceHolder = surfaceView.getHolder(); surfaceHolder.addCallback(new CamCallback()); surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); androidShow(surfaceView); cam.setPreviewDisplay(surfaceHolder); cam.startPreview(); print("Preview started."); surfaceView.post(new Runnable() { public void run() { try { cam.takePicture(null, null, null, new JpegCallback()); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "cam.takePicture(null, null, null, new JpegCallback());"; }}); print("Waiting for callback"); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "int n = Camera.getNumberOfCameras();\n System.out.println(\"Cameras: \" + n);..."; }}); } static class CamCallback implements SurfaceHolder.Callback { public void surfaceChanged (SurfaceHolder holder, int format, int width, int height) { print("surfaceChanged"); } public void surfaceCreated (SurfaceHolder holder) { print("surfaceCreated"); } public void surfaceDestroyed (SurfaceHolder holder) { print("surfaceDestroyed"); } } static class ShutterCallback implements Camera.ShutterCallback { public void onShutter() { System.out.println("Shutter!"); } } static class JpegCallback implements Camera.PictureCallback { public void onPictureTaken (byte[] data, Camera cam) { TextView tv = aTextView(); tv.setText("Picture data: " + data.length); androidShow(tv); System.out.println("Picture data: " + data.length); cam.release(); System.out.println("Camera released."); } } static void runOnUiThread(final Runnable r) { androidActivity().runOnUiThread(r); } static RuntimeException rethrow(Throwable t) { if (t instanceof Error) _handleError((Error) t); throw t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t); } static Context androidContext() { return getAndroidContext(); } static volatile StringBuffer local_log = new StringBuffer(); // not redirected static volatile StringBuffer 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 int print_maxLineLength = 0; // 0 = unset static boolean print_silent; // total mute if set static Object print_byThread_lock = new Object(); static volatile ThreadLocal print_byThread; // special handling by thread - prefers F1 static volatile Object print_allThreads; static void print() { print(""); } static A print(String s, A o) { print(s + o); return o; } // slightly overblown signature to return original object... static A print(A o) { ping(); if (print_silent) return o; String s = String.valueOf(o) + "\n"; print_noNewLine(s); return o; } static void print_noNewLine(String s) { Object f = print_byThread == null ? null : print_byThread.get(); if (f == null) f = print_allThreads; if (f != null) if (isFalse(f instanceof F1 ? ((F1) f).get(s) : callF(f, s))) return; print_raw(s); } static void print_raw(String s) { s = fixNewLines(s); // TODO if (print_maxLineLength != 0) StringBuffer loc = local_log; StringBuffer 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); } static void print(long l) { print(String.valueOf(l)); } static void print(char c) { print(String.valueOf(c)); } static void print_append(StringBuffer buf, String s, int max) { synchronized(buf) { buf.append(s); max /= 2; if (buf.length() > max) 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); } } } static TextView aTextView(String text) { TextView tv = aTextView(); tv.setText(text); return tv; } static TextView aTextView() { return androidUI(new F0() { TextView get() { try { return new TextView(androidActivity()) ; } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "new TextView(androidActivity())"; }}); } static Map _registerThread_threads = newWeakHashMap(); static Thread _registerThread(Thread t) { _registerThread_threads.put(t, true); return t; } static void _registerThread() { _registerThread(Thread.currentThread()); } static View androidShow_view; static void androidShow(final View view) { androidUI(new Runnable() { public void run() { try { androidShow_view = view; androidActivity().setContentView(aRemoveFromParent(view)); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "androidShow_view = view;\r\n androidActivity().setContentView(aRemoveFromPar..."; }}); } static String fixNewLines(String s) { return s.replace("\r\n", "\n").replace("\r", "\n"); } // TODO: send hard errors to core static AtomicLong _handleError_nonVMErrors = new AtomicLong(); static AtomicLong _handleError_vmErrors = new AtomicLong(); static AtomicLong _handleError_outOfMemoryErrors = new AtomicLong(); static volatile long _handleError_lastOutOfMemoryError; static volatile Error _handleError_lastHardError; static void _handleError(Error e) { if (!(e instanceof VirtualMachineError)) { incAtomicLong(_handleError_nonVMErrors); return; } print("\nHARD ERROR\n"); printStackTrace2(e); print("\nHARD ERROR\n"); _handleError_lastHardError = e; incAtomicLong(_handleError_vmErrors); if (e instanceof OutOfMemoryError) { incAtomicLong(_handleError_outOfMemoryErrors); _handleError_lastOutOfMemoryError = sysNow(); } } static volatile boolean ping_pauseAll; static int ping_sleep = 100; // poll pauseAll flag every 100 static volatile boolean ping_anyActions; static Map ping_actions = newWeakHashMap(); // always returns true static boolean ping() { if (ping_pauseAll || ping_anyActions ) ping_impl(); return true; } // returns true when it slept static boolean ping_impl() { try { if (ping_pauseAll && !isAWTThread()) { do Thread.sleep(ping_sleep); while (ping_pauseAll); return true; } if (ping_anyActions) { Object action; synchronized(ping_actions) { 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 WeakHashMap> callF_cache = new WeakHashMap(); static A callF(F0 f) { return f == null ? null : f.get(); } static B callF(F1 f, A a) { return f == null ? null : f.get(a); } static Object callF(Object f, Object... args) { try { if (f instanceof String) return callMC((String) f, args); if (f instanceof Runnable) { ((Runnable) f).run(); return null; } if (f == null) return null; Class c = f.getClass(); ArrayList 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)); } catch (Exception __e) { throw rethrow(__e); } } // used internally static ArrayList callF_makeCache(Class c) { ArrayList l = new ArrayList(); Class _c = c; do { for (Method m : _c.getDeclaredMethods()) if (m.getName().equals("get")) { m.setAccessible(true); l.add(m); } if (!l.isEmpty()) break; _c = _c.getSuperclass(); } while (_c != null); callF_cache.put(c, l); return l; } static boolean isFalse(Object o) { return eq(false, o); } static Map newWeakHashMap() { return _registerWeakMap(synchroMap(new WeakHashMap())); } static Context getAndroidContext() { return (Context) getAndroidContext_gen(); } static A aRemoveFromParent(final A view) { androidUI(new Runnable() { public void run() { try { ViewParent group = view.getParent(); if (group instanceof ViewGroup) ((ViewGroup) group).removeView(view); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "ViewParent group = view.getParent();\r\n if (group instanceof ViewGroup)\r\n ..."; }}); return view; } static void androidUI(final Object r) { androidUI_wait(r); } static A androidUI(F0 f) { return androidUI_wait(f); } // get purpose 1: access a list/array/map (safer version of x.get(y)) static A get(List l, int idx) { return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null; } // seems to conflict with other signatures /*static B get(Map map, A key) { ret map != null ? map.get(key) : null; }*/ static 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 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) { f.setAccessible(true); 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(Object o, String field) { try { Field f = get_findField(o.getClass(), field); f.setAccessible(true); return f.get(o); } catch (Exception e) { throw new RuntimeException(e); } } static Object get(Class c, String field) { try { Field f = get_findStaticField(c, field); f.setAccessible(true); 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 Activity androidActivity() { return (Activity) androidContext_gen(); } static Map synchroMap() { return synchroHashMap(); } static Map synchroMap(Map map) { return Collections.synchronizedMap(map); } static HashMap> 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 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 matching arguments 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) { m.setAccessible(true); multiMapPut(callMC_cache, m.getName(), m); } c = c.getSuperclass(); } } } static long sysNow() { return System.nanoTime()/1000000; } static RuntimeException asRuntimeException(Throwable t) { if (t instanceof Error) _handleError((Error) t); return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t); } static void androidUI_wait(final Object r) { final Flag done = new Flag(); androidUI_noWait(new Runnable() { public void run() { try { try { callF(r); } finally { done.raise(); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "try {\r\n callF(r);\r\n } finally {\r\n done.raise();\r\n }"; }}); done.waitUntilUp(); } static A androidUI_wait(F0 f) { return androidEvalInUIThread(f); } static void incAtomicLong(AtomicLong l) { l.incrementAndGet(); } // 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 Object androidContext_gen() { return getAndroidContext_gen(); } static Thread currentThread() { return Thread.currentThread(); } static boolean eq(Object a, Object b) { return a == null ? b == null : a == b || a.equals(b); } 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(int[] a) { return a == null ? 0 : a.length; } static int l(float[] 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(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) : (Integer) call(o, "size"); } static Object androidContext; static Object getAndroidContext_gen() { return androidContext; } 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 Object call(Object o) { return callFunction(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) { try { if (o instanceof Class) { Method m = call_findStaticMethod((Class) o, method, args, false); m.setAccessible(true); return invokeMethod(m, null, args); } else { Method m = call_findMethod(o, method, args, false); m.setAccessible(true); return invokeMethod(m, o, args); } } catch (Exception e) { throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e); } } static Method call_findStaticMethod(Class c, String method, Object[] args, boolean debug) { Class _c = c; while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (!m.getName().equals(method)) { if (debug) System.out.println("Method name mismatch: " + method); continue; } if ((m.getModifiers() & java.lang.reflect.Modifier.STATIC) == 0 || !call_checkArgs(m, args, debug)) continue; return m; } c = c.getSuperclass(); } throw new RuntimeException("Method '" + method + "' (static) with " + args.length + " parameter(s) not found in " + _c.getName()); } static Method call_findMethod(Object o, String method, Object[] args, boolean debug) { Class c = o.getClass(); while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (m.getName().equals(method) && call_checkArgs(m, args, debug)) return m; } c = c.getSuperclass(); } throw new RuntimeException("Method '" + method + "' (non-static) with " + args.length + " parameter(s) not found in " + o.getClass().getName()); } private static boolean call_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 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 void printStackTrace2(S indent, Throwable e) { if (endsWithLetter(indent)) indent += " "; printIndent(indent, getStackTrace2(e)); }*/ static List _registerWeakMap_preList; static 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 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 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 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 Throwable getExceptionCause(Throwable e) { Throwable c = e.getCause(); return c != null ? c : e; } static String joinWithSpace(Collection c) { return join(" ", c); } static String joinWithSpace(String... c) { return join(" ", c); } static Object callFunction(Object f, Object... args) { return callF(f, args); } static List classNames(Collection l) { return getClassNames(l); } static List classNames(Object[] l) { return getClassNames(Arrays.asList(l)); } static Class javax() { return getJavaX(); } static Class mc() { return main.class; } static A assertNotNull(A a) { assertTrue(a != null); return a; } static A assertNotNull(String msg, A a) { assertTrue(msg, a != null); return a; } static void multiMapPut(Map> map, A a, B b) { List l = map.get(a); if (l == null) map.put(a, l = new ArrayList()); l.add(b); } static String getStackTrace2(Throwable throwable) { return hideCredentials(getStackTrace(throwable) + replacePrefix("java.lang.RuntimeException: ", "FAIL: ", hideCredentials(str(getInnerException(throwable)))) + "\n"); } // extended over Class.isInstance() to handle primitive types 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 printException(Throwable e) { printStackTrace(e); } static String str(Object o) { return o == null ? "null" : o.toString(); } static String str(char[] c) { return new String(c); } static void androidUI_noWait(final Object r) { androidActivity().runOnUiThread(toRunnable(r)); } static List synchroList() { return Collections.synchronizedList(new ArrayList()); } static List synchroList(List l) { return Collections.synchronizedList(l); } static A androidEvalInUIThread(final F0 f) { final Var v = new Var(); final Var error = new Var(); androidUI_wait(new Runnable() { public void run() { try { try { v.set(callF(f)); } catch (Throwable e) { error.set(e); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "try {\r\n v.set(callF(f));\r\n } catch (Throwable e) {\r\n error.set(e..."; }}); if (error.has()) throw rethrow(error.get()); else return v.get(); } static Map synchroHashMap() { return Collections.synchronizedMap(new HashMap()); } 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 Runnable toRunnable(final Object o) { if (o instanceof Runnable) return (Runnable) o; return new Runnable() { public void run() { try { callF(o) ; } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "callF(o)"; }}; } 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()); } public static String join(String glue, Iterable strings) { if (strings == null) return ""; StringBuilder buf = new StringBuilder(); Iterator 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 String join(Iterable strings) { return join("", strings); } static String join(Iterable strings, String glue) { return join(glue, strings); } public static String join(String[] strings) { return join("", strings); } static Throwable printStackTrace(Throwable 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(S indent, Throwable e) { if (endsWithLetter(indent)) indent += " "; printIndent(indent, getStackTrace(e)); }*/ static String replacePrefix(String prefix, String replacement, String s) { if (!startsWith(s, prefix)) return s; return replacement + substring(s, l(prefix)); } 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; } static String hideCredentials(URL url) { return url == null ? null : hideCredentials(str(url)); } static String hideCredentials(String url) { return url.replaceAll("([&?])_pass=[^&\\s\"]*", "$1_pass="); } static String hideCredentials(Object o) { return hideCredentials(str(o)); } static List getClassNames(Collection l) { List out = new ArrayList(); if (l != null) for (Object o : l) out.add(o == null ? null : getClassName(o)); return out; } static Class __javax; static Class getJavaX() { return __javax; } static Throwable getInnerException(Throwable e) { while (e.getCause() != null) e = e.getCause(); return e; } static volatile Throwable lastException_lastException; static Throwable lastException() { return lastException_lastException; } static void lastException(Throwable e) { lastException_lastException = e; } static String substring(String s, int x) { return substring(s, x, l(s)); } static String substring(String 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.substring(x, y); } static boolean startsWith(String a, String b) { return a != null && a.startsWith(b); } static boolean startsWith(String a, char c) { return nempty(a) && a.charAt(0) == c; } static boolean startsWith(List a, List b) { if (a == null || l(b) > l(a)) return false; for (int i = 0; i < l(b); i++) if (neq(a.get(i), b.get(i))) return false; return true; } static boolean neq(Object a, Object b) { return !eq(a, b); } static boolean nempty(Collection c) { return !isEmpty(c); } static boolean nempty(CharSequence s) { return !isEmpty(s); } static boolean nempty(Object[] o) { return !isEmpty(o); } static boolean nempty(Map m) { return !isEmpty(m); } static boolean nempty(Iterator i) { return i != null && i.hasNext(); } static boolean nempty(Object o) { return !empty(o); } static boolean empty(Collection c) { return c == null || c.isEmpty(); } static boolean empty(String 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 == null) return true; throw fail("unknown type for 'empty': " + getType(o)); } 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 isEmpty(Collection c) { return c == null || c.isEmpty(); } static boolean isEmpty(CharSequence s) { return s == null || s.length() == 0; } static boolean isEmpty(Object[] a) { return a == null || a.length == 0; } static boolean isEmpty(Map map) { return map == null || map.isEmpty(); } static String getType(Object o) { return getClassName(o); } static class Var implements IVar { A v; // you can access this directly if you use one thread Var() {} Var(A v) { this.v = v;} public synchronized void set(A a) { if (v != a) { v = a; notifyAll(); } } public synchronized A get() { return v; } public synchronized boolean has() { return v != null; } public synchronized void clear() { v = null; } public String toString() { return str(get()); } }static abstract class F0 { abstract A get(); }static abstract class F1 { abstract B get(A a); }/** this class is fully thread-safe */ static class Flag { private boolean up; /** returns true if flag was down before */ public synchronized boolean raise() { if (!up) { up = true; notifyAll(); return true; } else return false; } public synchronized void waitUntilUp() { while (!up) { try { wait(); } catch (InterruptedException e) { e.printStackTrace(); } } } public synchronized void waitUntilUp(long timeout) { if (!up) { try { wait(timeout); } catch (InterruptedException e) { e.printStackTrace(); } } } public synchronized boolean isUp() { return up; } public String toString() { return isUp() ? "up" : "down"; } // currently does a semi-active wait with latency = 50 ms public void waitForThisOr(Flag otherFlag) { try { while (!isUp() && !otherFlag.isUp()) Thread.sleep(50); } catch (Exception __e) { throw rethrow(__e); } } } static interface IVar { void set(A a); A get(); boolean has(); void clear(); } }