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 x30_pkg.x30_util; import static x30_pkg.x30_util.VF1; import static x30_pkg.x30_util.l; import static x30_pkg.x30_util.fail; import static x30_pkg.x30_util.indexOf; import static x30_pkg.x30_util.getOpt; import static x30_pkg.x30_util.setOpt; import static x30_pkg.x30_util.callOpt; import static x30_pkg.x30_util.newWeakHashMap; import static x30_pkg.x30_util.newDangerousWeakHashMap; import static x30_pkg.x30_util.get; import static x30_pkg.x30_util.get_raw; import static x30_pkg.x30_util.assertTrue; import static x30_pkg.x30_util.isHeadless; import static x30_pkg.x30_util.isAndroid; import static x30_pkg.x30_util.isTrue; import x30_pkg.x30_util.DynamicObject; import loadableUtils.utils; import static loadableUtils.utils._threadInfo; import static loadableUtils.utils._threadInheritInfo; import static loadableUtils.utils._threadInfo_addMakerAndRetriever; import static loadableUtils.utils.dm_currentModule; import static loadableUtils.utils.dm_current_mandatory; import static loadableUtils.utils.match; import static loadableUtils.utils.getOpt_raw; import static loadableUtils.utils.setOpt_raw; import static loadableUtils.utils.getField; import static loadableUtils.utils.fieldType; import static loadableUtils.utils.format3; import static loadableUtils.utils.vm_generalIdentityHashSet; import static loadableUtils.utils.vm_generalHashMap; import static loadableUtils.utils.vm_generalWeakSubMap; import static loadableUtils.utils.bindToComponent; import static loadableUtils.utils.struct; import static loadableUtils.utils.structure; import static loadableUtils.utils.loadPage; import static loadableUtils.utils.loadPage_utf8; import static loadableUtils.utils.loadPageSilentlyWithTimeout; import static loadableUtils.utils.loadPageSilently; import static loadableUtils.utils.loadSnippet; import static loadableUtils.utils.loadSnippetQuietly; import static loadableUtils.utils.sendToLocalBot; import static loadableUtils.utils.sendToLocalBotOpt; import static loadableUtils.utils.sendToLocalBotQuietly; import static loadableUtils.utils.componentPopupMenu; import static loadableUtils.utils.componentPopupMenu_top; import static loadableUtils.utils.componentPopupMenu_initForComponent; import static loadableUtils.utils.componentPopupMenu_getEvent; import static loadableUtils.utils.listPopupMenu; import static loadableUtils.utils.tablePopupMenu; import static loadableUtils.utils.tablePopupMenuFirst; import static loadableUtils.utils.rowSorter_setComparators; import static loadableUtils.utils.sexyTableWithoutDrag; import static loadableUtils.utils.dm_current_generic; import static loadableUtils.utils.dm_current_mandatory_generic; import static loadableUtils.utils.cset; import static loadableUtils.utils.DynamicObject_loading; import static loadableUtils.utils.concepts_unlisted; import static loadableUtils.utils.makePopupMenuConditional; import static loadableUtils.utils.makeConceptsTable_idWidth; import static loadableUtils.utils.showConceptsTable_afterUpdate; import static loadableUtils.utils.dynamicObjectIsLoading; import static loadableUtils.utils.rethrow; import static loadableUtils.utils.hasBot; import static loadableUtils.utils.concepts_internStringsLongerThan; import static loadableUtils.utils.concepts_setUnlistedByDefault; import loadableUtils.utils.F0; import loadableUtils.utils.F1; import loadableUtils.utils.IF1; import loadableUtils.utils.Matches; import loadableUtils.utils.BetterLabel; import loadableUtils.utils.SingleComponentPanel; import loadableUtils.utils.Snippet; import loadableUtils.utils.Q; import loadableUtils.utils.ImageSurface; import loadableUtils.utils.structure_Data; import loadableUtils.utils.structure_ClassInfo; import loadableUtils.utils.RGBImage; import loadableUtils.utils.RGB; import loadableUtils.utils.BWImage; import loadableUtils.utils.MakesBufferedImage; import loadableUtils.utils.MultiSet; import loadableUtils.utils.Concept; import loadableUtils.utils.Concepts; import loadableUtils.utils.RC; import loadableUtils.utils.IConceptIndex; import loadableUtils.utils.IFieldIndex; import loadableUtils.utils.Derefable; import loadableUtils.utils.ImageSurfaceSelector; import loadableUtils.utils.SimpleCRUD; import loadableUtils.utils.PersistableThrowable; import loadableUtils.utils.DynModule; import loadableUtils.utils.DynPrintLog; import loadableUtils.utils.DynObjectTable; import loadableUtils.utils.DynImageSurface; import loadableUtils.utils.DynCalculatedList; import loadableUtils.utils.GlobalID; import loadableUtils.utils.Rect; import loadableUtils.utils.Pt; import loadableUtils.utils.SynchronizedArrayList; class main { static public class SnippetServer extends DynModule { public void setEleu(Object eleu) { mainBot = eleu; } public Object html(Object request) { String uri = (String) (get(request, "uri")); Map params = (Map) (get(request, "params")); print("uri", uri); pnl(params); return subBot_serve404(); } } static public boolean _moduleClass_SnippetServer = true; static public String programID; static public void _onLoad_initUtils() { utils.__javax = javax(); } static public void _onLoad_defaultClassFinder() { setDefaultClassFinder(new F1() { public Class get(String name) { Class c = findClass_fullName(name); if (c != null) return c; if (name.startsWith("main$")) return loadableUtils.utils.findClass_fullName("loadableUtils.utils" + name.substring(4)); return null; } }); } static public ThreadLocal dynamicObjectIsLoading_threadLocal() { return DynamicObject_loading; } static volatile public StringBuffer local_log = new StringBuffer(); static volatile public Appendable print_log = local_log; static volatile public int print_log_max = 1024 * 1024; static volatile public int local_log_max = 100 * 1024; static public boolean print_silent = false; static public Object print_byThread_lock = new Object(); static volatile public ThreadLocal print_byThread; static volatile public Object print_allThreads; static volatile public Object print_preprocess; static public void print() { print(""); } static public A print(String s, A o) { print((endsWithLetterOrDigit(s) ? s + ": " : s) + o); return o; } static public A print(A o) { ping_okInCleanUp(); if (print_silent) return o; String s = String.valueOf(o) + "\n"; print_noNewLine(s); return o; } static public void print_noNewLine(String s) { Object f = getThreadLocal(print_byThread_dontCreate()); 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 public 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); } static public void print_autoRotate() { } static public A pnl(String prefix, A l) { printNumberedLines(prefix, l); return l; } static public A pnl(A l) { printNumberedLines(l); return l; } static public A pnl(A map) { printNumberedLines(map); return map; } static public A pnl(String prefix, A map) { printNumberedLines(prefix, map); return map; } static public A[] pnl(A[] a) { printNumberedLines(a); return a; } static public String pnl(String s) { printNumberedLines(lines(s)); return s; } static public MultiSet pnl(MultiSet ms) { pnl(ms == null ? null : ms.asMap()); return ms; } static public Object subBot_serve404() { return call(getMainBot(), "serve404"); } static public Object subBot_serve404(String msg) { return call(getMainBot(), "serve404", msg); } static public Class javax() { return getJavaX(); } static public void setDefaultClassFinder(Object cf) { _defaultClassFinder_value = cf; } static public HashMap findClass_fullName_cache = new HashMap(); static public Class findClass_fullName(String name) { synchronized (findClass_fullName_cache) { if (findClass_fullName_cache.containsKey(name)) return findClass_fullName_cache.get(name); Class c; try { c = Class.forName(name); } catch (ClassNotFoundException e) { c = null; } findClass_fullName_cache.put(name, c); return c; } } static public AutoCloseable tempInterceptPrintIfNotIntercepted(F1 f) { return print_byThread().get() == null ? tempInterceptPrint(f) : null; } static public Object _defaultClassFinder_value = defaultDefaultClassFinder(); static public Object _defaultClassFinder() { return _defaultClassFinder_value; } static public boolean endsWithLetterOrDigit(String s) { return s != null && s.length() > 0 && Character.isLetterOrDigit(s.charAt(s.length() - 1)); } static public void ping_okInCleanUp() { if (ping_pauseAll || ping_anyActions) ping_impl(true); } static public Object getThreadLocal(Object o, String name) { ThreadLocal t = (ThreadLocal) (getOpt(o, name)); return t != null ? t.get() : null; } static public A getThreadLocal(ThreadLocal tl) { return tl == null ? null : tl.get(); } static public A getThreadLocal(ThreadLocal tl, A defaultValue) { return or(getThreadLocal(tl), defaultValue); } static public ThreadLocal print_byThread_dontCreate() { return print_byThread; } static public boolean isFalse(Object o) { return eq(false, o); } static public Object callF(Object f, Object... args) { try { if (f instanceof String) return callMC((String) f, args); return x30_util.callF(f, args); } catch (Exception __e) { throw rethrow(__e); } } static public A callF(F0 f) { return f == null ? null : f.get(); } static public B callF(F1 f, A a) { return f == null ? null : f.get(a); } static public B callF(IF1 f, A a) { return f == null ? null : f.get(a); } static public void callF(VF1 f, A a) { if (f != null) f.get(a); } static public Object callMC(String method, Object... args) { return call(mc(), method, args); } static public Object call(Object o) { return callF(o); } static public Object call(Object o, String method, Object... args) { return call_withVarargs(o, method, args); } static public 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 public 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 public void printNumberedLines(Map map) { printNumberedLines(mapToLines(map)); } static public void printNumberedLines(String prefix, Map map) { printNumberedLines(prefix, mapToLines(map)); } static public A printNumberedLines(A l) { int i = 0; if (l != null) for (Object a : l) print((++i) + ". " + str(a)); return l; } static public A printNumberedLines(String prefix, A l) { int i = 0; if (l != null) for (Object a : l) print(prefix + (++i) + ". " + str(a)); return l; } static public void printNumberedLines(Object[] l) { printNumberedLines(asList(l)); } static public void printNumberedLines(Object o) { printNumberedLines(lines(str(o))); } static public String lines(Iterable lines) { return fromLines(lines); } static public String lines(Object[] lines) { return fromLines(asList(lines)); } static public List lines(String s) { return toLines(s); } static public Object mainBot; static public Object getMainBot() { return mainBot; } static public Class __javax; static public Class getJavaX() { try { return __javax; } catch (Exception __e) { throw rethrow(__e); } } static public ThreadLocal print_byThread() { synchronized (print_byThread_lock) { if (print_byThread == null) print_byThread = new ThreadLocal(); } return print_byThread; } static public AutoCloseable tempInterceptPrint(F1 f) { return tempSetThreadLocal(print_byThread(), f); } static public Object defaultDefaultClassFinder() { return new F1() { public Class get(String name) { Class c = findClass_fullName(name); if (c != null) return c; if (name.startsWith("loadableUtils.utils$")) return findClass_fullName("main" + name.substring(19)); return null; } }; } static volatile public boolean ping_pauseAll = false; static public int ping_sleep = 100; static volatile public boolean ping_anyActions = false; static public Map ping_actions = newWeakHashMap(); static public ThreadLocal ping_isCleanUpThread = new ThreadLocal(); static public boolean ping() { if (ping_pauseAll || ping_anyActions) ping_impl(true); return true; } static public boolean ping_impl(boolean okInCleanUp) { try { if (ping_pauseAll && !isAWTThread()) { do Thread.sleep(ping_sleep); while (ping_pauseAll); return true; } if (ping_anyActions) { 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 public A or(A a, A b) { return a != null ? a : b; } static public boolean eq(Object a, Object b) { return a == b || a != null && b != null && a.equals(b); } static public Class mc() { return main.class; } static public 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); List 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); List 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 public 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 public 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 public List mapToLines(Map map) { List l = new ArrayList(); for (Object key : keys(map)) l.add(str(key) + " = " + str(map.get(key))); return l; } static public String mapToLines(Map map, Object f) { return lines(map(map, f)); } static public String mapToLines(Object f, Map map) { return lines(map(map, f)); } static public String mapToLines(Object f, Iterable l) { return lines(map(f, l)); } static public String mapToLines(Iterable l, IF1 f) { return mapToLines((Object) f, l); } static public String mapToLines(IF1 f, Iterable l) { return mapToLines((Object) f, l); } static public String mapToLines(Map map, IF2 f) { return lines(map(map, f)); } static public String str(Object o) { return o == null ? "null" : o.toString(); } static public String str(char[] c) { return new String(c); } static public ArrayList asList(A[] a) { return a == null ? new ArrayList() : new ArrayList(Arrays.asList(a)); } static public ArrayList asList(int[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (int i : a) l.add(i); return l; } static public ArrayList asList(float[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (float i : a) l.add(i); return l; } static public ArrayList asList(double[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (double i : a) l.add(i); return l; } static public ArrayList asList(Iterable 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 public ArrayList asList(Enumeration e) { ArrayList l = new ArrayList(); if (e != null) while (e.hasMoreElements()) l.add(e.nextElement()); return l; } static public String fromLines(Iterable lines) { StringBuilder buf = new StringBuilder(); if (lines != null) for (Object line : lines) buf.append(str(line)).append('\n'); return buf.toString(); } static public String fromLines(String... lines) { return fromLines(asList(lines)); } static public IterableIterator toLines(File f) { return linesFromFile(f); } static public List toLines(String s) { List lines = new ArrayList(); if (s == null) return lines; int start = 0; while (true) { int i = toLines_nextLineBreak(s, start); if (i < 0) { if (s.length() > start) lines.add(s.substring(start)); break; } lines.add(s.substring(start, i)); if (s.charAt(i) == '\r' && i + 1 < s.length() && s.charAt(i + 1) == '\n') i += 2; else ++i; start = i; } return lines; } static public int toLines_nextLineBreak(String s, int start) { int n = s.length(); for (int i = start; i < n; i++) { char c = s.charAt(i); if (c == '\r' || c == '\n') return i; } return -1; } static public AutoCloseable tempSetThreadLocal(final ThreadLocal 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 public boolean isAWTThread() { if (isAndroid()) return false; if (isHeadless()) return false; return isAWTThread_awt(); } static public boolean isAWTThread_awt() { return SwingUtilities.isEventDispatchThread(); } static public void failIfUnlicensed() { assertTrue("license off", licensed()); } static public Thread currentThread() { return Thread.currentThread(); } static final public Map callOpt_cache = newDangerousWeakHashMap(); static public 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); 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 public _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 public 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 public boolean isStaticMethod(Method m) { return methodIsStatic(m); } static public 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 public String joinWithComma(Collection c) { return join(", ", c); } static public String joinWithComma(String... c) { return join(", ", c); } static public List classNames(Collection l) { return getClassNames(l); } static public List classNames(Object[] l) { return getClassNames(Arrays.asList(l)); } static public Set keys(Map map) { return map == null ? new HashSet() : map.keySet(); } static public Set keys(Object map) { return keys((Map) map); } static public Set keys(MultiSet ms) { return ms.keySet(); } static public List map(Iterable l, Object f) { return map(f, l); } static public List map(Object f, Iterable l) { List x = emptyList(l); if (l != null) for (Object o : l) x.add(callF(f, o)); return x; } static public List map(Iterable l, F1 f) { return map(f, l); } static public List map(F1 f, Iterable l) { List x = emptyList(l); if (l != null) for (A o : l) x.add(callF(f, o)); return x; } static public List map(IF1 f, Iterable l) { return map(l, f); } static public List map(Iterable l, IF1 f) { List x = emptyList(l); if (l != null) for (A o : l) x.add(f.get(o)); return x; } static public List map(IF1 f, A[] l) { return map(l, f); } static public List map(A[] l, IF1 f) { List x = emptyList(l); if (l != null) for (A o : l) x.add(f.get(o)); return x; } static public List map(Object f, Object[] l) { return map(f, asList(l)); } static public List map(Object[] l, Object f) { return map(f, l); } static public List map(Object f, Map map) { return map(map, f); } static public List map(Map map, Object f) { List x = new ArrayList(); if (map != null) for (Object _e : map.entrySet()) { Map.Entry e = (Map.Entry) _e; x.add(callF(f, e.getKey(), e.getValue())); } return x; } static public List map(Map map, IF2 f) { return map(map, (Object) f); } static public ArrayList emptyList() { return new ArrayList(); } static public ArrayList emptyList(int capacity) { return new ArrayList(max(0, capacity)); } static public ArrayList emptyList(Iterable l) { return l instanceof Collection ? emptyList(((Collection) l).size()) : emptyList(); } static public ArrayList emptyList(Object[] l) { return emptyList(l(l)); } static public ArrayList emptyList(Class c) { return new ArrayList(); } static public CloseableIterableIterator linesFromFile(File f) { try { if (!f.exists()) return emptyCloseableIterableIterator(); if (ewic(f.getName(), ".gz")) return linesFromReader(utf8bufferedReader(newGZIPInputStream(f))); return linesFromReader(utf8bufferedReader(f)); } catch (Exception __e) { throw rethrow(__e); } } static public CloseableIterableIterator linesFromFile(String path) { return linesFromFile(newFile(path)); } static public A setThreadLocal(ThreadLocal tl, A value) { if (tl == null) return null; A old = tl.get(); tl.set(value); return old; } static volatile public boolean licensed_yes = true; static public boolean licensed() { if (!licensed_yes) return false; ping_okInCleanUp(); return true; } static public void licensed_off() { licensed_yes = false; } static public Throwable getExceptionCause(Throwable e) { Throwable c = e.getCause(); return c != null ? c : e; } static public String joinWithSpace(Iterable c) { return join(" ", c); } static public String joinWithSpace(String... c) { return join(" ", c); } static public boolean methodIsStatic(Method m) { return (m.getModifiers() & Modifier.STATIC) != 0; } static public boolean argumentCompatibleWithType(Object arg, Class type) { return arg == null ? !type.isPrimitive() : isInstanceX(type, arg); } static public void arraycopy(Object[] a, Object[] b) { if (a != null && b != null) arraycopy(a, 0, b, 0, Math.min(a.length, b.length)); } static public void arraycopy(Object src, int srcPos, Object dest, int destPos, int n) { if (n != 0) System.arraycopy(src, srcPos, dest, destPos, n); } static public A[] arrayOfType(Class type, int n) { return makeArray(type, n); } static public A[] arrayOfType(int n, Class type) { return arrayOfType(type, n); } public static String join(String glue, Iterable strings) { if (strings == null) return ""; if (strings instanceof Collection) { if (((Collection) strings).size() == 1) return str(first(((Collection) strings))); } 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 public String join(Iterable strings) { return join("", strings); } static public String join(Iterable strings, String glue) { return join(glue, strings); } public static String join(String[] strings) { return join("", strings); } static public 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 public int max(int a, int b) { return Math.max(a, b); } static public int max(int a, int b, int c) { return max(max(a, b), c); } static public long max(int a, long b) { return Math.max((long) a, b); } static public long max(long a, long b) { return Math.max(a, b); } static public double max(int a, double b) { return Math.max((double) a, b); } static public float max(float a, float b) { return Math.max(a, b); } static public double max(double a, double b) { return Math.max(a, b); } static public int max(Collection c) { int x = Integer.MIN_VALUE; for (int i : c) x = max(x, i); return x; } static public 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 public 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 public byte max(byte[] c) { byte x = -128; for (byte d : c) if (d > x) x = d; return x; } static public short max(short[] c) { short x = -0x8000; for (short d : c) if (d > x) x = d; return x; } static public int max(int[] c) { int x = Integer.MIN_VALUE; for (int d : c) if (d > x) x = d; return x; } static public CloseableIterableIterator emptyCloseableIterableIterator_instance = new CloseableIterableIterator() { public Object next() { throw fail(); } public boolean hasNext() { return false; } }; static public CloseableIterableIterator emptyCloseableIterableIterator() { return emptyCloseableIterableIterator_instance; } static public boolean ewic(String a, String b) { return endsWithIgnoreCase(a, b); } static public boolean ewic(String a, String b, Matches m) { return endsWithIgnoreCase(a, b, m); } static public CloseableIterableIterator linesFromReader(Reader r) { final BufferedReader br = bufferedReader(r); return iteratorFromFunction_f0_autoCloseable(new F0() { public String get() { try { return readLineFromReaderWithClose(br); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "ret readLineFromReaderWithClose(br);"; } }, _wrapIOCloseable(r)); } static public BufferedReader utf8bufferedReader(InputStream in) { try { return bufferedReader(_registerIOWrap(new InputStreamReader(in, "UTF-8"), in)); } catch (Exception __e) { throw rethrow(__e); } } static public BufferedReader utf8bufferedReader(File f) { try { return utf8bufferedReader(newFileInputStream(f)); } catch (Exception __e) { throw rethrow(__e); } } static public GZIPInputStream newGZIPInputStream(File f) { return gzInputStream(f); } static public GZIPInputStream newGZIPInputStream(InputStream in) { return gzInputStream(in); } static public File newFile(File base, String... names) { for (String name : names) base = new File(base, name); return base; } static public File newFile(String name) { return name == null ? null : new File(name); } static public File newFile(String base, String... names) { return newFile(newFile(base), names); } static public 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 public A[] makeArray(Class type, int n) { return (A[]) Array.newInstance(type, n); } static public Object first(Object list) { return first((Iterable) list); } static public A first(List list) { return empty(list) ? null : list.get(0); } static public A first(A[] bla) { return bla == null || bla.length == 0 ? null : bla[0]; } static public A first(IterableIterator i) { return first((Iterator) i); } static public A first(Iterator i) { return i == null || !i.hasNext() ? null : i.next(); } static public A first(Iterable i) { if (i == null) return null; Iterator it = i.iterator(); return it.hasNext() ? it.next() : null; } static public Character first(String s) { return empty(s) ? null : s.charAt(0); } static public Character first(CharSequence s) { return empty(s) ? null : s.charAt(0); } static public Byte first(byte[] l) { return empty(l) ? null : l[0]; } static public String getClassName(Object o) { return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName(); } static public boolean endsWithIgnoreCase(String a, String b) { int la = l(a), lb = l(b); return la >= lb && regionMatchesIC(a, la - lb, b, 0, lb); } static public 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 public BufferedReader bufferedReader(Reader r) { return bufferedReader(r, 8192); } static public BufferedReader bufferedReader(Reader r, int bufSize) { return r instanceof BufferedReader ? (BufferedReader) r : _registerIOWrap(new BufferedReader(r, bufSize), r); } static public CloseableIterableIterator iteratorFromFunction_f0_autoCloseable(final F0 f, final AutoCloseable closeable) { class IFF2 extends CloseableIterableIterator { public A a; public boolean done = false; public boolean hasNext() { getNext(); return !done; } public A next() { getNext(); if (done) throw fail(); A _a = a; a = null; return _a; } public void getNext() { if (done || a != null) return; a = f.get(); done = a == null; } public void close() throws Exception { if (closeable != null) closeable.close(); } } ; return new IFF2(); } static public String readLineFromReaderWithClose(BufferedReader r) { try { String s = r.readLine(); if (s == null) r.close(); return s; } catch (Exception __e) { throw rethrow(__e); } } static public AutoCloseable _wrapIOCloseable(final AutoCloseable c) { return c == null ? null : new AutoCloseable() { public String toString() { return "c.close();\r\n _registerIO(c, null, false);"; } public void close() throws Exception { c.close(); _registerIO(c, null, false); } }; } static public A _registerIOWrap(A wrapper, Object wrapped) { return wrapper; } static public FileInputStream newFileInputStream(File path) throws IOException { return newFileInputStream(path.getPath()); } static public FileInputStream newFileInputStream(String path) throws IOException { FileInputStream f = new FileInputStream(path); _registerIO(f, path, true); return f; } static public int gzInputStream_defaultBufferSize = 65536; static public GZIPInputStream gzInputStream(File f) { try { return gzInputStream(new FileInputStream(f)); } catch (Exception __e) { throw rethrow(__e); } } static public GZIPInputStream gzInputStream(File f, int bufferSize) { try { return gzInputStream(new FileInputStream(f), bufferSize); } catch (Exception __e) { throw rethrow(__e); } } static public GZIPInputStream gzInputStream(InputStream in) { return gzInputStream(in, gzInputStream_defaultBufferSize); } static public GZIPInputStream gzInputStream(InputStream in, int bufferSize) { try { return _registerIOWrap(new GZIPInputStream(in, gzInputStream_defaultBufferSize), in); } catch (Exception __e) { throw rethrow(__e); } } static public boolean empty(Collection c) { return c == null || c.isEmpty(); } static public boolean empty(Iterable c) { return c == null || !c.iterator().hasNext(); } static public boolean empty(CharSequence s) { return s == null || s.length() == 0; } static public boolean empty(Map map) { return map == null || map.isEmpty(); } static public boolean empty(Object[] o) { return o == null || o.length == 0; } static public 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 public boolean empty(Iterator i) { return i == null || !i.hasNext(); } static public boolean empty(double[] a) { return a == null || a.length == 0; } static public boolean empty(float[] a) { return a == null || a.length == 0; } static public boolean empty(int[] a) { return a == null || a.length == 0; } static public boolean empty(long[] a) { return a == null || a.length == 0; } static public boolean empty(byte[] a) { return a == null || a.length == 0; } static public boolean empty(short[] a) { return a == null || a.length == 0; } static public boolean empty(MultiSet ms) { return ms == null || ms.isEmpty(); } static public boolean empty(File f) { return getFileSize(f) == 0; } static public boolean regionMatchesIC(String a, int offsetA, String b, int offsetB, int len) { return a != null && a.regionMatches(true, offsetA, b, offsetB, len); } static public String substring(String s, int x) { return substring(s, x, strL(s)); } static public 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 public String substring(String s, CharSequence l) { return substring(s, l(l)); } static public void _registerIO(Object object, String path, boolean opened) { } static public String getType(Object o) { return getClassName(o); } static public long getFileSize(String path) { return path == null ? 0 : new File(path).length(); } static public long getFileSize(File f) { return f == null ? 0 : f.length(); } static public int strL(String s) { return s == null ? 0 : s.length(); } final static public class _MethodCache { final public Class c; final public HashMap> cache = new HashMap(); public _MethodCache(Class c) { this.c = c; _init(); } public 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(); } for (Class intf : allInterfacesImplementedBy(c)) for (Method m : intf.getDeclaredMethods()) if (m.isDefault() && !reflection_isForbiddenMethod(m)) multiMapPut(cache, m.getName(), makeAccessible(m)); } public Method findMethod(String method, Object[] args) { try { List 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); } } public Method findStaticMethod(String method, Object[] args) { try { List 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 public class CloseableIterableIterator extends IterableIterator implements AutoCloseable { public void close() throws Exception { } } static public interface IF2 { public C get(A a, B b); } static abstract public class IterableIterator implements Iterator, Iterable { public Iterator iterator() { return this; } public void remove() { unsupportedOperation(); } } static public boolean isAbstract(Class c) { return (c.getModifiers() & Modifier.ABSTRACT) != 0; } static public boolean isAbstract(Method m) { return (m.getModifiers() & Modifier.ABSTRACT) != 0; } static public boolean reflection_isForbiddenMethod(Method m) { return m.getDeclaringClass() == Object.class && eqOneOf(m.getName(), "finalize", "clone", "registerNatives"); } static public 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 public Field makeAccessible(Field f) { try { f.setAccessible(true); } catch (Throwable e) { vmBus_send("makeAccessible_error", e, f); } return f; } static public Method makeAccessible(Method m) { try { m.setAccessible(true); } catch (Throwable e) { vmBus_send("makeAccessible_error", e, m); } return m; } static public Constructor makeAccessible(Constructor c) { try { c.setAccessible(true); } catch (Throwable e) { vmBus_send("makeAccessible_error", e, c); } return c; } static public Set allInterfacesImplementedBy(Class c) { if (c == null) return null; HashSet set = new HashSet(); allInterfacesImplementedBy_find(c, set); return set; } static public void allInterfacesImplementedBy_find(Class c, Set set) { if (c.isInterface() && !set.add(c)) return; do { for (Class intf : c.getInterfaces()) allInterfacesImplementedBy_find(intf, set); } while ((c = c.getSuperclass()) != null); } static public Method findMethod(Object o, String method, Object... args) { return findMethod_cached(o, method, args); } static public 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 public 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 public 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 public 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 public Iterator iterator(Iterable c) { return c == null ? emptyIterator() : c.iterator(); } static public UnsupportedOperationException unsupportedOperation() { throw new UnsupportedOperationException(); } static public boolean eqOneOf(Object o, Object... l) { for (Object x : l) if (eq(o, x)) return true; return false; } static public 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 public void vmBus_send(String msg) { vmBus_send(msg, (Object) null); } static public 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 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 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 public Iterator emptyIterator() { return Collections.emptyIterator(); } static public Object vmBus_wrapArgs(Object... args) { return empty(args) ? null : l(args) == 1 ? args[0] : args; } static public void pcallFAll(Collection l, Object... args) { if (l != null) for (Object f : cloneList(l)) pcallF(f, args); } static public void pcallFAll(Iterator it, Object... args) { while (it.hasNext()) pcallF(it.next(), args); } static public Set vm_busListeners_live_cache; static public Set vm_busListeners_live() { if (vm_busListeners_live_cache == null) vm_busListeners_live_cache = vm_busListeners_live_load(); return vm_busListeners_live_cache; } static public Set vm_busListeners_live_load() { return vm_generalIdentityHashSet("busListeners"); } static public Map vm_busListenersByMessage_live_cache; static public Map vm_busListenersByMessage_live() { if (vm_busListenersByMessage_live_cache == null) vm_busListenersByMessage_live_cache = vm_busListenersByMessage_live_load(); return vm_busListenersByMessage_live_cache; } static public Map vm_busListenersByMessage_live_load() { return vm_generalHashMap("busListenersByMessage"); } static public ArrayList cloneList(Iterable l) { return l instanceof Collection ? cloneList((Collection) l) : asList(l); } static public ArrayList cloneList(Collection l) { if (l == null) return new ArrayList(); synchronized (collectionMutex(l)) { return new ArrayList(l); } } static public Object pcallF(Object f, Object... args) { return pcallFunction(f, args); } static public A pcallF(F0 f) { try { return f == null ? null : f.get(); } catch (Throwable __e) { return null; } } static public B pcallF(F1 f, A a) { try { return f == null ? null : f.get(a); } catch (Throwable __e) { return null; } } static public void pcallF(VF1 f, A a) { try { if (f != null) f.get(a); } catch (Throwable __e) { _handleException(__e); } } static public Object collectionMutex(List l) { return l; } static public 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 public Object pcallFunction(Object f, Object... args) { try { return callFunction(f, args); } catch (Throwable __e) { _handleException(__e); } return null; } static volatile public PersistableThrowable _handleException_lastException; static public List _handleException_onException = synchroList(ll("printStackTrace2")); static public 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) { printStackTrace2(e3); } } static public Throwable printStackTrace2(Throwable e) { print(getStackTrace2(e)); return e; } static public void printStackTrace2() { printStackTrace2(new Throwable()); } static public void printStackTrace2(String msg) { printStackTrace2(new Throwable(msg)); } static public String className(Object o) { return getClassName(o); } static public Object callFunction(Object f, Object... args) { return callF(f, args); } static public List synchroList() { return Collections.synchronizedList(new ArrayList()); } static public List synchroList(List l) { return Collections.synchronizedList(l); } static public List ll(A... a) { ArrayList l = new ArrayList(a.length); if (a != null) for (A x : a) l.add(x); return l; } static public PersistableThrowable persistableThrowable(Throwable e) { return e == null ? null : new PersistableThrowable(e); } static public Throwable innerException(Throwable e) { return getInnerException(e); } static public String getStackTrace2(Throwable e) { return hideCredentials(getStackTrace(unwrapTrivialExceptionWraps(e)) + replacePrefix("java.lang.RuntimeException: ", "FAIL: ", hideCredentials(str(innerException2(e)))) + "\n"); } static public Throwable getInnerException(Throwable e) { if (e == null) return null; while (e.getCause() != null) e = e.getCause(); return e; } static public Throwable getInnerException(Runnable r) { return getInnerException(getException(r)); } static public String hideCredentials(URL url) { return url == null ? null : hideCredentials(str(url)); } static public 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="); } static public String hideCredentials(Object o) { return hideCredentials(str(o)); } static public String getStackTrace(Throwable throwable) { lastException(throwable); return getStackTrace_noRecord(throwable); } static public String getStackTrace_noRecord(Throwable throwable) { StringWriter writer = new StringWriter(); throwable.printStackTrace(new PrintWriter(writer)); return hideCredentials(writer.toString()); } static public String getStackTrace() { return getStackTrace_noRecord(new Throwable()); } static public 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 public String replacePrefix(String prefix, String replacement, String s) { if (!startsWith(s, prefix)) return s; return replacement + substring(s, l(prefix)); } static public Throwable innerException2(Throwable e) { if (e == null) return null; while (empty(e.getMessage()) && e.getCause() != null) e = e.getCause(); return e; } static public Throwable getException(Runnable r) { try { callF(r); return null; } catch (Throwable e) { return e; } } static public boolean startsWithOneOf(String s, String... l) { for (String x : l) if (startsWith(s, x)) return true; return false; } static public boolean startsWithOneOf(String s, Matches m, String... l) { for (String x : l) if (startsWith(s, x, m)) return true; return false; } static public boolean isAGIBlueDomain(String domain) { return domainIsUnder(domain, theAGIBlueDomain()); } static public String hostNameFromURL(String url) { try { return new URL(url).getHost(); } catch (Exception __e) { throw rethrow(__e); } } static volatile public PersistableThrowable lastException_lastException; static public PersistableThrowable lastException() { return lastException_lastException; } static public void lastException(Throwable e) { lastException_lastException = persistableThrowable(e); } static public boolean startsWith(String a, String b) { return a != null && a.startsWith(unnull(b)); } static public boolean startsWith(String a, char c) { return nemptyString(a) && a.charAt(0) == c; } static public 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 public 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 public boolean domainIsUnder(String domain, String mainDomain) { return eqic(domain, mainDomain) || ewic(domain, "." + mainDomain); } static public String theAGIBlueDomain() { return "agi.blue"; } static public String unnull(String s) { return s == null ? "" : s; } static public Collection unnull(Collection l) { return l == null ? emptyList() : l; } static public List unnull(List l) { return l == null ? emptyList() : l; } static public int[] unnull(int[] l) { return l == null ? emptyIntArray() : l; } static public char[] unnull(char[] l) { return l == null ? emptyCharArray() : l; } static public Map unnull(Map l) { return l == null ? emptyMap() : l; } static public Iterable unnull(Iterable i) { return i == null ? emptyList() : i; } static public A[] unnull(A[] a) { return a == null ? (A[]) emptyObjectArray() : a; } static public BitSet unnull(BitSet b) { return b == null ? new BitSet() : b; } static public Pt unnull(Pt p) { return p == null ? new Pt() : p; } static public boolean nemptyString(String s) { return s != null && s.length() > 0; } static public int listL(Collection l) { return l == null ? 0 : l.size(); } static public boolean neq(Object a, Object b) { return !eq(a, b); } static public boolean eqic(String a, String b) { if ((a == null) != (b == null)) return false; if (a == null) return true; return a.equalsIgnoreCase(b); } static public 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 public int[] emptyIntArray_a = new int[0]; static public int[] emptyIntArray() { return emptyIntArray_a; } static public char[] emptyCharArray = new char[0]; static public char[] emptyCharArray() { return emptyCharArray; } static public Map emptyMap() { return new HashMap(); } static public Object[] emptyObjectArray_a = new Object[0]; static public Object[] emptyObjectArray() { return emptyObjectArray_a; } static public String asString(Object o) { return o == null ? null : o.toString(); } }