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 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; import java.text.NumberFormat; import javax.swing.undo.UndoManager; class main { static public class SnippetsDeepBitSetWordIndex extends DynPrintLog { transient public DeepBitSetWordIndex wordIndex; static public boolean _switchableField_regexp = true; public String regexp = "\\w+"; public void start() { try { super.start(); startThread("Start", new Runnable() { public void run() { try { AutoCloseable __12 = enter(); try { try { dm_reloadOnFieldChange("regexp"); long _startTime_10 = sysNow(); print("Making index"); DeepBitSetWordIndex wordIndex = new DeepBitSetWordIndex(); wordIndex.regexp = regexp; for (Object sn : dm_allSnippets()) { String snippetID = (String) rcall("snippetID", sn); String text = (String) (rcall("text", sn)); wordIndex.add(snippetID, text); } wordIndex.doneAdding(); setField("wordIndex", wordIndex); done2_always("Make bit-set word index", _startTime_10); infoBox("Indexed " + nWords(wordIndex.numWords())); } catch (Throwable __e) { _handleException(__e); } } finally { _close(__12); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "AutoCloseable __12 = enter(); try { try {\r\n dm_reloadOnFieldChange regexp(..."; } }); } catch (Exception __e) { throw rethrow(__e); } } public Iterable snippetPreSearch(String query, Object... __) { long nanos = nanoTime(); Iterable l; l = wordIndex == null ? null : wordIndex.preSearch(query, __); return l; } } static public boolean _moduleClass_SnippetsDeepBitSetWordIndex = 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 public Thread startThread(Object runnable) { return startThread(defaultThreadName(), runnable); } static public Thread startThread(String name, Object runnable) { runnable = wrapAsActivity(runnable); return startThread(newThread(toRunnable(runnable), name)); } static public Thread startThread(Thread t) { _registerThread(t); t.start(); return t; } static public void dm_reloadOnFieldChange(String... fields) { for (String field : unnull(fields)) dm_onFieldChange(field, new Runnable() { public void run() { try { dm_reloadModule(); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "dm_reloadModule();"; } }); } static public Matcher regexp(String pat, String s) { return regexp(compileRegexp(pat), unnull(s)); } static public Matcher regexp(java.util.regex.Pattern pat, String s) { return pat.matcher(unnull(s)); } static public java.util.regex.Pattern regexp(String pat) { return compileRegexp(pat); } static public long sysNow() { ping(); return System.nanoTime() / 1000000; } 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 List dm_allSnippets() { return (List) dm_call(dm_snippetsDB(), "allSnippets"); } static public Object rcall(String method, Object o, Object... args) { return call_withVarargs(o, method, args); } static public long done2_always(long startTime, String desc) { long time = sysNow() - startTime; saveTiming_noPrint(time); print(desc + " [" + time + " ms]"); return time; } static public long done2_always(String desc, long startTime) { return done2_always(startTime, desc); } static public long done2_always(long startTime) { return done2_always(startTime, ""); } static public JWindow infoBox(String text) { return infoMessage(text); } static public JWindow infoBox(String text, double seconds) { return infoMessage(text, seconds); } static public JWindow infoBox(Throwable e) { return infoMessage(e); } static public String nWords(long n) { return n2(n, "word"); } static public String nWords(Collection l) { return nWords(l(l)); } static public String nWords(Map map) { return nWords(l(map)); } 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 void _close(AutoCloseable c) { if (c != null) try { c.close(); } catch (Throwable e) { if (c instanceof javax.imageio.stream.ImageOutputStream) return; else throw rethrow(e); } } static public long nanoTime() { return System.nanoTime(); } 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 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 Object _defaultClassFinder_value = defaultDefaultClassFinder(); static public Object _defaultClassFinder() { return _defaultClassFinder_value; } static public String defaultThreadName_name; static public String defaultThreadName() { if (defaultThreadName_name == null) defaultThreadName_name = "A thread by " + programID(); return defaultThreadName_name; } static public Runnable wrapAsActivity(Object r) { return toRunnable(r); } static public Thread newThread(Object runnable) { return new Thread(_topLevelErrorHandling(toRunnable(runnable))); } static public Thread newThread(Object runnable, String name) { if (name == null) name = defaultThreadName(); return new Thread(_topLevelErrorHandling(toRunnable(runnable)), name); } static public Thread newThread(String name, Object runnable) { return newThread(runnable, name); } static public 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 public Map _registerThread_threads; static public Object _onRegisterThread; static public Thread _registerThread(Thread t) { if (_registerThread_threads == null) _registerThread_threads = newWeakHashMap(); _registerThread_threads.put(t, true); vm_generalWeakSubMap("thread2mc").put(t, weakRef(mc())); callF(_onRegisterThread, t); return t; } static public void _registerThread() { _registerThread(Thread.currentThread()); } 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 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 Pair unnull(Pair p) { return p != null ? p : new Pair(null, null); } static public void dm_onFieldChange(String field, Runnable onChange) { dm_watchField(field, onChange); } static public void dm_reloadModule(Object module) { dm_reloadModuleInBackground(module); } static public void dm_reloadModule() { dm_reloadModuleInBackground(); } static public Map compileRegexp_cache = syncMRUCache(10); static public java.util.regex.Pattern compileRegexp(String pat) { java.util.regex.Pattern p = compileRegexp_cache.get(pat); if (p == null) { compileRegexp_cache.put(pat, p = java.util.regex.Pattern.compile(pat)); } return p; } 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 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 A callF(IF0 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 Object dm_call(Object moduleOrID, String method, Object... args) { Object mod = dm_getModule(moduleOrID); if (mod == null) return null; AutoCloseable __1 = dm_enter(mod); try { return call_withVarargs(mod, method, args); } finally { _close(__1); } } static public String dm_snippetsDB() { return dm_requireModule("#1016872/SnippetsDB"); } 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 ThreadLocal saveTiming_last = new ThreadLocal(); static public void saveTiming(long ms) { print(ms + " ms"); saveTiming_noPrint(ms); } static public void saveTiming_noPrint(long ms) { saveTiming_last.set(ms); } static public boolean infoMessage_alwaysOnTop = true; static public double infoMessage_defaultTime = 5.0; static public JWindow infoMessage(String text) { return infoMessage(text, infoMessage_defaultTime); } static public JWindow infoMessage(final String text, final double seconds) { printHidingCredentials(text); return infoMessage_noprint(text, seconds); } static public JWindow infoMessage_noprint(String text) { return infoMessage_noprint(text, infoMessage_defaultTime); } static public JWindow infoMessage_noprint(final String _text, final double seconds) { final String text = hideCredentials(_text); if (empty(text)) return null; logQuotedWithDate(infoBoxesLogFile(), text); if (isHeadless()) return null; return (JWindow) swingAndWait(new F0() { public Object get() { try { final JWindow window = showWindow(infoMessage_makePanel(text)); window.setSize(300, 150); moveToTopRightCorner(window); if (infoMessage_alwaysOnTop) window.setAlwaysOnTop(true); window.setVisible(true); if (seconds != 0) disposeWindowAfter(iround(seconds * 1000), window); return window; } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "final JWindow window = showWindow(infoMessage_makePanel(text));\r\n window.s..."; } }); } static public JWindow infoMessage(Throwable e) { printStackTrace(e); return infoMessage(exceptionToStringShort(e)); } static public String n2(long l) { return formatWithThousands(l); } static public String n2(Collection l) { return n2(l(l)); } static public String n2(Map map) { return n2(l(map)); } static public String n2(double l, String singular) { return n2(l, singular, singular + "s"); } static public String n2(double l, String singular, String plural) { if (fraction(l) == 0) return n2((long) l, singular, plural); else return l + " " + plural; } static public String n2(long l, String singular, String plural) { return n_fancy2(l, singular, plural); } static public String n2(long l, String singular) { return n_fancy2(l, singular, singular + "s"); } static public String n2(Collection l, String singular) { return n2(l(l), singular); } static public String n2(Collection l, String singular, String plural) { return n_fancy2(l, singular, plural); } static public String n2(Map m, String singular, String plural) { return n_fancy2(m, singular, plural); } static public String n2(Map m, String singular) { return n2(l(m), singular); } static public String n2(Object[] a, String singular) { return n2(l(a), singular); } static public String n2(Object[] a, String singular, String plural) { return n_fancy2(a, singular, plural); } static public String n2(MultiSet ms, String singular, String plural) { return n_fancy2(ms, singular, plural); } 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 boolean eq(Object a, Object b) { return a == b || a != null && b != null && a.equals(b); } 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 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 String getStackTrace2(Throwable e) { return hideCredentials(getStackTrace(unwrapTrivialExceptionWraps(e)) + replacePrefix("java.lang.RuntimeException: ", "FAIL: ", hideCredentials(str(innerException2(e)))) + "\n"); } 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 public String programID() { return getProgramID(); } static public String programID(Object o) { return getProgramID(o); } static public Runnable _topLevelErrorHandling(final Runnable runnable) { final Object info = _threadInfo(); return new Runnable() { public void run() { try { try { _threadInheritInfo(info); runnable.run(); } catch (Throwable __e) { _handleException(__e); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "pcall {\r\n _threadInheritInfo(info);\r\n runnable.run();\r\n }"; } }; } static public WeakReference weakRef(A a) { return newWeakReference(a); } static public Class mc() { return main.class; } 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 Map emptyMap() { return new HashMap(); } static public Object[] emptyObjectArray_a = new Object[0]; static public Object[] emptyObjectArray() { return emptyObjectArray_a; } static public void dm_watchField(String field, Runnable onChange) { new Dyn_FieldWatcher(dm_current_mandatory(), field, onChange); } static public void dm_reloadModuleInBackground(Object module) { dm_callOS("reloadModuleInBackground", dm_getStem(module)); } static public void dm_reloadModuleInBackground() { dm_reloadModuleInBackground(dm_current_mandatory_generic()); } static public Map syncMRUCache(int size) { return synchroMap(new MRUCache(size)); } 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 public A or(A a, A b) { return a != null ? a : b; } 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 Object dm_getModule(Object moduleOrID) { if (moduleOrID == null || eq(moduleOrID, "")) return null; if (isString(moduleOrID) && isIdentifier(((String) moduleOrID))) return dm_getService(((String) moduleOrID)); if (isStringOrIntOrLong(moduleOrID)) return dm_callOS("getDynModuleByID", str(moduleOrID)); return dm_resolveModule(moduleOrID); } static public AutoCloseable dm_enter(Object mod) { return (AutoCloseable) callOpt(dm_getModule(mod), "enter"); } static public String dm_requireModule(String moduleLibID) { return dm_makeModule(moduleLibID); } 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 String joinWithComma(Pair p) { return p == null ? "" : joinWithComma(str(p.a), str(p.b)); } static public List classNames(Collection l) { return getClassNames(l); } static public List classNames(Object[] l) { return getClassNames(Arrays.asList(l)); } static public A printHidingCredentials(A o) { print(hideCredentials(str(o))); return o; } 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 boolean empty(Collection c) { return c == null || c.isEmpty(); } 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 empty(IntRange r) { return r == null || r.empty(); } static public void logQuotedWithDate(String s) { logQuotedWithTime(s); } static public void logQuotedWithDate(String logFile, String s) { logQuotedWithTime(logFile, s); } static public void logQuotedWithDate(File logFile, String s) { logQuotedWithTime(logFile, s); } static public File infoBoxesLogFile() { return new File(javaxDataDir(), "Logs/infoBoxes.txt"); } static public void swingAndWait(Runnable r) { try { if (isAWTThread()) r.run(); else EventQueue.invokeAndWait(addThreadInfoToRunnable(r)); } catch (Exception __e) { throw rethrow(__e); } } static public Object swingAndWait(final Object f) { if (isAWTThread()) return callF(f); else { final Var result = new Var(); swingAndWait(new Runnable() { public void run() { try { result.set(callF(f)); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "result.set(callF(f));"; } }); return result.get(); } } static public JWindow showWindow(Component c) { JWindow w = new JWindow(); w.add(wrap(c)); return w; } static public JPanel infoMessage_makePanel(String text) { final JTextArea ta = wrappedTextArea(text); onClick(ta, new Runnable() { public void run() { try { disposeWindow(ta); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "disposeWindow(ta)"; } }); int size = 14; if (l(text) <= 50) size *= 2; else if (l(text) < 100) size = iround(size * 1.5); ta.setFont(typeWriterFont(size)); JScrollPane sp = jscroll(ta); return withMargin(sp); } static public int moveToTopRightCorner_inset = 20; static public A moveToTopRightCorner(A a) { return moveToTopRightCorner(moveToTopRightCorner_inset, moveToTopRightCorner_inset, a); } static public A moveToTopRightCorner(int insetX, int insetY, A a) { Window w = getWindow(a); if (w != null) w.setLocation(getScreenSize().width - w.getWidth() - insetX, insetY); return a; } static public A disposeWindowAfter(int delay, final A w) { if (w != null) swingLater(delay, new Runnable() { public void run() { try { w.dispose(); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "w.dispose();"; } }); return w; } static public A disposeWindowAfter(A w, double seconds) { return disposeWindowAfter(toMS_int(seconds), w); } static public A disposeWindowAfter(double seconds, A w) { return disposeWindowAfter(w, seconds); } static public int iround(double d) { return (int) Math.round(d); } static public int iround(Number n) { return iround(toDouble(n)); } static public A printStackTrace(A e) { print(getStackTrace(e)); return e; } static public void printStackTrace() { printStackTrace(new Throwable()); } static public void printStackTrace(String msg) { printStackTrace(new Throwable(msg)); } static public void printStackTrace(String msg, Throwable e) { printStackTrace(new Throwable(msg, e)); } static public String exceptionToStringShort(Throwable e) { lastException(e); e = getInnerException(e); String msg = hideCredentials(unnull(e.getMessage())); if (msg.indexOf("Error") < 0 && msg.indexOf("Exception") < 0) return baseClassName(e) + prependIfNempty(": ", msg); else return msg; } static public String formatWithThousands(long l) { return formatWithThousandsSeparator(l); } static public double fraction(double d) { return d % 1; } static public String n_fancy2(long l, String singular, String plural) { return formatWithThousandsSeparator(l) + " " + trim(l == 1 ? singular : plural); } static public String n_fancy2(Collection l, String singular, String plural) { return n_fancy2(l(l), singular, plural); } static public String n_fancy2(Map m, String singular, String plural) { return n_fancy2(l(m), singular, plural); } static public String n_fancy2(Object[] a, String singular, String plural) { return n_fancy2(l(a), singular, plural); } static public String n_fancy2(MultiSet ms, String singular, String plural) { return n_fancy2(l(ms), singular, plural); } 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 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 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 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 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 String getProgramID() { return nempty(programID) ? formatSnippetIDOpt(programID) : "?"; } static public String getProgramID(Class c) { String id = (String) getOpt(c, "programID"); if (nempty(id)) return formatSnippetID(id); return "?"; } static public String getProgramID(Object o) { return getProgramID(getMainClass(o)); } static public WeakReference newWeakReference(A a) { return a == null ? null : new WeakReference(a); } 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 Object dm_callOS(String functionName, Object... args) { return call(dm_os(), functionName, args); } static public Object dm_getStem(Object moduleOrID) { if (isString(moduleOrID) && isIdentifier(((String) moduleOrID))) moduleOrID = dm_getService(((String) moduleOrID)); if (isStringOrIntOrLong(moduleOrID)) return dm_getStemByID(moduleOrID); return or(getOpt(dm_getModule(moduleOrID), "_host"), moduleOrID); } static public Map synchroMap() { return synchroHashMap(); } static public Map synchroMap(Map map) { return Collections.synchronizedMap(map); } 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 boolean isString(Object o) { return o instanceof String; } static public boolean isIdentifier(String s) { return isJavaIdentifier(s); } static public Object dm_getService(String serviceName) { return empty(serviceName) ? null : dm_getModule(vmBus_query(assertIdentifier(serviceName))); } static public boolean isStringOrIntOrLong(Object o) { return o instanceof String || o instanceof Integer || o instanceof Long; } static public Object dm_resolveModule(Object moduleOrStem) { return dm_callOS("resolveModule", moduleOrStem); } static public String dm_makeModule(String moduleLibID) { return (String) dm_callOS("makeModule", moduleLibID); } 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 String join(String glue, Pair p) { return p == null ? "" : str(p.a) + glue + str(p.b); } 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 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 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 void logQuotedWithTime(String s) { logQuotedWithTime(standardLogFile(), s); } static public void logQuotedWithTime(File logFile, String s) { logQuoted(logFile, logQuotedWithTime_format(s)); } static public void logQuotedWithTime(String logFile, String s) { logQuoted(logFile, logQuotedWithTime_format(s)); } static public String logQuotedWithTime_format(String s) { return (now()) + " " + s; } static public File javaxDataDir_dir; static public File javaxDataDir() { return javaxDataDir_dir != null ? javaxDataDir_dir : new File(userHome(), "JavaX-Data"); } static public File javaxDataDir(String... subs) { return newFile(javaxDataDir(), subs); } static public Runnable addThreadInfoToRunnable(final Object r) { final Object info = _threadInfo(); return info == null ? asRunnable(r) : new Runnable() { public void run() { try { _inheritThreadInfo(info); callF(r); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "_inheritThreadInfo(info); callF(r);"; } }; } static public JComponent wrap(Object swingable) { return _recordNewSwingComponent(wrap_2(swingable)); } static public JComponent wrap_2(Object swingable) { if (swingable == null) return null; JComponent c; if (swingable instanceof Component) c = componentToJComponent(((Component) swingable)); else c = componentToJComponent((Component) callOpt(swingable, "swing")); if (c instanceof JTable || c instanceof JList || c instanceof JTextArea || c instanceof JEditorPane || c instanceof JTextPane || c instanceof JTree) return jscroll(c); return c == null ? jlabel(str(swingable)) : c; } static public JTextArea wrappedTextArea(final JTextArea ta) { enableWordWrapForTextArea(ta); return ta; } static public JTextArea wrappedTextArea() { return wrappedTextArea(jtextarea()); } static public JTextArea wrappedTextArea(String text) { JTextArea ta = wrappedTextArea(); setText(ta, text); return ta; } static public A onClick(final A c, final Object runnable) { if (c != null) { swing(new Runnable() { public void run() { try { c.addMouseListener(new MouseAdapter() { public void mouseClicked(MouseEvent e) { callF(runnable, e); } }); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "c.addMouseListener(new MouseAdapter {\r\n public void mouseClicked(MouseEv..."; } }); } return c; } static public void onClick(JButton btn, final Object runnable) { onEnter(btn, runnable); } static public void disposeWindow(final Window window) { if (window != null) { swing(new Runnable() { public void run() { try { window.dispatchEvent(new WindowEvent(window, WindowEvent.WINDOW_CLOSING)); myFrames_list.remove(window); window.dispose(); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "window.dispatchEvent(new WindowEvent(window, WindowEvent.WINDOW_CLOSING)); //..."; } }); } } static public void disposeWindow(final Component c) { disposeWindow(getWindow(c)); } static public void disposeWindow(Object o) { if (o != null) disposeWindow(((Component) o)); } static public void disposeWindow() { disposeWindow(heldInstance(Component.class)); } static public Font typeWriterFont() { return typeWriterFont(iround(14 * getSwingFontScale())); } static public Font typeWriterFont(int size) { return new Font("Courier", Font.PLAIN, size); } static public JScrollPane jscroll(final Component c) { return swing(new F0() { public JScrollPane get() { try { return new JScrollPane(c); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "ret new JScrollPane(c);"; } }); } static public int withMargin_defaultWidth = 6; static public JPanel withMargin(Component c) { return withMargin(withMargin_defaultWidth, c); } static public JPanel withMargin(int w, Component c) { return withMargin(w, w, c); } static public JPanel withMargin(int w, int h, Component c) { return withMargin(w, h, w, h, c); } static public JPanel withMargin(final int top, final int left, final int bottom, final int right, final Component c) { return swing(new F0() { public JPanel get() { try { JPanel p = new JPanel(new BorderLayout()); p.setBorder(BorderFactory.createEmptyBorder(top, left, bottom, right)); p.add(c); return p; } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "JPanel p = new JPanel(new BorderLayout);\r\n p.setBorder(BorderFactory.creat..."; } }); } static public Window getWindow(Object o) { if (!(o instanceof Component)) return null; Component c = (Component) o; while (c != null) { if (c instanceof Window) return (Window) c; c = c.getParent(); } return null; } static public Dimension getScreenSize() { return Toolkit.getDefaultToolkit().getScreenSize(); } static public void swingLater(long delay, final Object r) { javax.swing.Timer timer = new javax.swing.Timer(toInt(delay), actionListener(wrapAsActivity(r))); timer.setRepeats(false); timer.start(); } static public void swingLater(Object r) { SwingUtilities.invokeLater(toRunnable(r)); } static public int toMS_int(double seconds) { return toInt_checked((long) (seconds * 1000)); } static public double toDouble(Object o) { if (o instanceof Number) return ((Number) o).doubleValue(); if (o instanceof BigInteger) return ((BigInteger) o).doubleValue(); if (o instanceof String) return parseDouble(((String) o)); if (o == null) return 0.0; throw fail(o); } 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 String baseClassName(String className) { return substring(className, className.lastIndexOf('.') + 1); } static public String baseClassName(Object o) { return baseClassName(getClassName(o)); } static public String prependIfNempty(String prefix, String s) { return empty(s) ? s : prefix + s; } static public String formatWithThousandsSeparator(long l) { return NumberFormat.getInstance(new Locale("en_US")).format(l); } static public String trim(String s) { return s == null ? null : s.trim(); } static public String trim(StringBuilder buf) { return buf.toString().trim(); } static public String trim(StringBuffer buf) { return buf.toString().trim(); } static public Throwable getException(Runnable r) { try { callF(r); return null; } catch (Throwable e) { return e; } } static public String className(Object o) { return getClassName(o); } static public boolean eqOneOf(Object o, Object... l) { for (Object x : l) if (eq(o, x)) return true; return false; } static public Map myFrames_list = weakHashMap(); static public List myFrames() { return swing(new F0>() { public List get() { try { return keysList(myFrames_list); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "ret keysList(myFrames_list);"; } }); } static public A setThreadLocal(ThreadLocal tl, A value) { if (tl == null) return null; A old = tl.get(); tl.set(value); return old; } static public boolean startsWith(String a, String b) { return a != null && a.startsWith(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 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; if (x >= s.length()) return ""; if (y < x) y = x; if (y > s.length()) y = s.length(); return s.substring(x, y); } static public String substring(String s, IntRange r) { return r == null ? null : substring(s, r.start, r.end); } static public String substring(String s, CharSequence l) { return substring(s, l(l)); } static public boolean nempty(Collection c) { return !empty(c); } static public boolean nempty(CharSequence s) { return !empty(s); } static public boolean nempty(Object[] o) { return !empty(o); } static public boolean nempty(byte[] o) { return !empty(o); } static public boolean nempty(int[] o) { return !empty(o); } static public boolean nempty(Map m) { return !empty(m); } static public boolean nempty(Iterator i) { return i != null && i.hasNext(); } static public boolean nempty(Object o) { return !empty(o); } static public String formatSnippetIDOpt(String s) { return isSnippetID(s) ? formatSnippetID(s) : s; } static public String formatSnippetID(String id) { return "#" + parseSnippetID(id); } static public String formatSnippetID(long id) { return "#" + id; } static public Class getMainClass() { return mc(); } static public Class getMainClass(Object o) { try { if (o == null) return null; if (o instanceof Class && eq(((Class) o).getName(), "x30")) return (Class) o; return (o instanceof Class ? (Class) o : o.getClass()).getClassLoader().loadClass("main"); } catch (Exception __e) { throw rethrow(__e); } } static public Object dm_os() { { Object __1 = vm_generalMap_get("stefansOS"); if (__1 != null) return __1; } return creator(); } static public Object dm_getStemByID(Object id) { return dm_callOS("getModuleByID", str(id)); } static public Map synchroHashMap() { return Collections.synchronizedMap(new HashMap()); } static public boolean isJavaIdentifier(String s) { if (empty(s) || !Character.isJavaIdentifierStart(s.charAt(0))) return false; for (int i = 1; i < s.length(); i++) if (!Character.isJavaIdentifierPart(s.charAt(i))) return false; return true; } static public Object vmBus_query(String msg, Object... args) { Object arg = vmBus_wrapArgs(args); { Object __1 = pcallFAll_returnFirstNotNull(vm_busListeners_live(), msg, arg); if (__1 != null) return __1; } return pcallFAll_returnFirstNotNull(vm_busListenersByMessage_live().get(msg), msg, arg); } static public Object vmBus_query(String msg) { return vmBus_query(msg, (Object) null); } static public String assertIdentifier(String s) { return assertIsIdentifier(s); } static public String assertIdentifier(String msg, String s) { return assertIsIdentifier(msg, s); } 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(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 A first(Pair p) { return p == null ? null : p.a; } 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 domainIsUnder(String domain, String mainDomain) { return eqic(domain, mainDomain) || ewic(domain, "." + mainDomain); } static public String theAGIBlueDomain() { return "agi.blue"; } static public File standardLogFile() { return getProgramFile("log"); } static public void logQuoted(String logFile, String line) { logQuoted(getProgramFile(logFile), line); } static public void logQuoted(File logFile, String line) { appendToFile(logFile, quote(line) + "\n"); } static public long now_virtualTime; static public long now() { return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis(); } static public String _userHome; static public String userHome() { if (_userHome == null) return actualUserHome(); return _userHome; } static public File userHome(String path) { return new File(userDir(), path); } 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 Runnable asRunnable(Object o) { return toRunnable(o); } static public void _inheritThreadInfo(Object info) { _threadInheritInfo(info); } static public A _recordNewSwingComponent(A c) { if (c != null) callF((Object) vm_generalMap_get("newSwingComponentRegistry"), (Object) c); return c; } static public JComponent componentToJComponent(Component c) { if (c instanceof JComponent) return (JComponent) c; if (c instanceof JFrame) return ((JFrame) c).getRootPane(); if (c == null) return null; throw fail("boohoo " + getClassName(c)); } static public JLabel jlabel(final String text) { return swingConstruct(BetterLabel.class, text); } static public JLabel jlabel() { return jlabel(" "); } static public void enableWordWrapForTextArea(JTextArea ta) { enableWordWrapForTextArea(ta, true); } static public void enableWordWrapForTextArea(JTextArea ta, boolean enabled) { if (ta != null) { swing(new Runnable() { public void run() { try { ta.setLineWrap(enabled); ta.setWrapStyleWord(true); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "ta.setLineWrap(enabled);\r\n ta.setWrapStyleWord(true);\r\n // Haven't foun..."; } }); } } static public JTextArea jtextarea() { return jTextArea(); } static public JTextArea jtextarea(String text) { return jTextArea(text); } static public boolean setText_opt = true; static public A setText(A c, Object text) { setText((JComponent) c, text); return c; } static public A setText(final A c, Object text) { final String s = strUnnull(text); { swing(new Runnable() { public void run() { try { c.getEditor().setItem(s); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "c.getEditor().setItem(s);"; } }); } return c; } static public void setText(JLabel c, Object text) { setText((JComponent) c, text); } static public JButton setText(JButton c, Object text) { setText((JComponent) c, jlabel_textAsHTML_center_ifNeeded(strUnnull(text))); return c; } static public A setText(final A c, Object text) { if (c == null) return null; final String s = strUnnull(text); { swing(new Runnable() { public void run() { try { if (!setText_opt || neq(callOpt(c, "getText"), s)) call(c, "setText", s); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "if (!setText_opt || neq(callOpt(c, \"getText\"), s))\r\n call(c, \"setText\", s);"; } }); } return c; } static public Object swing(Object f) { return swingAndWait(f); } static public A swing(F0 f) { return (A) swingAndWait(f); } static public A swing(IF0 f) { return (A) swingAndWait(f); } static public JTextField onEnter(final JTextField tf, final Object action) { if (action == null || tf == null) return tf; tf.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent _evt) { try { tf.selectAll(); callF(action); } catch (Throwable __e) { messageBox(__e); } } }); return tf; } static public JButton onEnter(JButton btn, final Object action) { if (action == null || btn == null) return btn; btn.addActionListener(actionListener(action)); return btn; } static public JList onEnter(JList list, Object action) { list.addKeyListener(enterKeyListener(rCallOnSelectedListItem(list, action))); return list; } static public JComboBox onEnter(final JComboBox cb, final Object action) { { swing(new Runnable() { public void run() { try { if (cb.isEditable()) { JTextField text = (JTextField) cb.getEditor().getEditorComponent(); onEnter(text, action); } else { cb.getInputMap().put(KeyStroke.getKeyStroke("ENTER"), "enter"); cb.getActionMap().put("enter", abstractAction("", new Runnable() { public void run() { try { cb.hidePopup(); callF(action); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "cb.hidePopup(); callF(action);"; } })); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "if (cb.isEditable()) {\r\n JTextField text = (JTextField) cb.getEditor().g..."; } }); } return cb; } static public JTable onEnter(final JTable table, final Object action) { table.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), "Enter"); table.getActionMap().put("Enter", new AbstractAction() { public void actionPerformed(ActionEvent e) { callF(action, table.getSelectedRow()); } }); return table; } static public JTextField onEnter(Object action, JTextField tf) { return onEnter(tf, action); } static public A heldInstance(Class c) { List l = holdInstance_l.get(); for (int i = l(l) - 1; i >= 0; i--) { Object o = l.get(i); if (isInstanceOf(o, c)) return (A) o; } throw fail("No instance of " + className(c) + " held"); } static public float getSwingFontScale() { return or((Float) vm_generalMap_get("swingFontScale_value"), 1f); } static public int toInt(Object o) { if (o == null) return 0; if (o instanceof Number) return ((Number) o).intValue(); if (o instanceof String) return parseInt(((String) o)); if (o instanceof Boolean) return boolToInt(((Boolean) o)); throw fail("woot not int: " + getClassName(o)); } static public int toInt(long l) { if (l != (int) l) throw fail("Too large for int: " + l); return (int) l; } static public ActionListener actionListener(final Object runnable) { return actionListener(runnable, null); } static public ActionListener actionListener(final Object runnable, final Object instanceToHold) { if (runnable instanceof ActionListener) return (ActionListener) runnable; final Object info = _threadInfo(); return new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent _evt) { try { _threadInheritInfo(info); AutoCloseable __1 = holdInstance(instanceToHold); try { callF(runnable); } finally { _close(__1); } } catch (Throwable __e) { messageBox(__e); } } }; } static public int toInt_checked(long l) { if (l != (int) l) throw fail("Too large for int: " + l); return (int) l; } static public double parseDouble(String s) { return Double.parseDouble(s); } static public ThreadLocal> holdInstance_l = new ThreadLocal(); static public AutoCloseable holdInstance(Object o) { if (o == null) return null; listThreadLocalAdd(holdInstance_l, o); return new AutoCloseable() { public void close() { listThreadLocalPopLast(holdInstance_l); } }; } static public Map weakHashMap() { return newWeakHashMap(); } static public List keysList(Map map) { return cloneListSynchronizingOn(keys(map), map); } static public List keysList(MultiSet ms) { return ms == null ? null : keysList(ms.map); } static public boolean nemptyString(String s) { return s != null && s.length() > 0; } static public int strL(String s) { return s == null ? 0 : s.length(); } static public int listL(Collection l) { return l == null ? 0 : l.size(); } static public boolean neq(Object a, Object b) { return !eq(a, b); } public static boolean isSnippetID(String s) { try { parseSnippetID(s); return true; } catch (RuntimeException e) { return false; } } public static long parseSnippetID(String snippetID) { long id = Long.parseLong(shortenSnippetID(snippetID)); if (id == 0) throw fail("0 is not a snippet ID"); return id; } static public Object vm_generalMap_get(Object key) { return vm_generalMap().get(key); } static public WeakReference creator_class; static public Object creator() { return creator_class == null ? null : creator_class.get(); } static public Object vmBus_wrapArgs(Object... args) { return empty(args) ? null : l(args) == 1 ? args[0] : args; } static public Object pcallFAll_returnFirstNotNull(Collection l, Object... args) { if (l != null) for (Object f : cloneList(l)) { Object __1 = pcallF(f, args); if (__1 != null) return __1; } return null; } static public Object pcallFAll_returnFirstNotNull(Iterator it, Object... args) { while (it.hasNext()) { Object __2 = pcallF(it.next(), args); if (__2 != null) return __2; } return null; } 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 String assertIsIdentifier(String s) { if (!isIdentifier(s)) throw fail("Not an identifier: " + quote(s)); return s; } static public String assertIsIdentifier(String msg, String s) { if (!isIdentifier(s)) throw fail(msg + " - Not an identifier: " + quote(s)); return s; } 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 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 File getProgramFile(String progID, String fileName) { if (new File(fileName).isAbsolute()) return new File(fileName); return new File(getProgramDir(progID), fileName); } static public File getProgramFile(String fileName) { return getProgramFile(getProgramID(), fileName); } static public Lock appendToFile_lock = lock(); static public boolean appendToFile_keepOpen = false; static public HashMap appendToFile_writers = new HashMap(); static public void appendToFile(String path, String s) { try { Lock __0 = appendToFile_lock; lock(__0); try { mkdirsForFile(new File(path)); path = getCanonicalPath(path); Writer writer = appendToFile_writers.get(path); if (writer == null) { writer = new BufferedWriter(new OutputStreamWriter(newFileOutputStream(path, true), "UTF-8")); if (appendToFile_keepOpen) appendToFile_writers.put(path, writer); } writer.write(s); if (!appendToFile_keepOpen) writer.close(); } finally { unlock(__0); } } catch (Exception __e) { throw rethrow(__e); } } static public void appendToFile(File path, String s) { if (path != null) appendToFile(path.getPath(), s); } static public void cleanMeUp_appendToFile() { AutoCloseable __3 = tempCleaningUp(); try { Lock __1 = appendToFile_lock; lock(__1); try { closeAllWriters(values(appendToFile_writers)); appendToFile_writers.clear(); } finally { unlock(__1); } } finally { _close(__3); } } static public String quote(Object o) { if (o == null) return "null"; return quote(str(o)); } static public 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 public 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 == '\0') out.append("\\0"); else out.append(c); } out.append('"'); } static public String actualUserHome_value; static public String actualUserHome() { if (actualUserHome_value == null) { if (isAndroid()) actualUserHome_value = "/storage/emulated/0/"; else actualUserHome_value = System.getProperty("user.home"); } return actualUserHome_value; } static public File actualUserHome(String sub) { return newFile(new File(actualUserHome()), sub); } static public File userDir() { return new File(userHome()); } static public File userDir(String path) { return new File(userHome(), path); } static public A swingConstruct(final Class c, final Object... args) { return swing(new F0() { public A get() { try { return nuObject(c, args); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "ret nuObject(c, args);"; } }); } static public JTextArea jTextArea() { return jTextArea(""); } static public JTextArea jTextArea(final String text) { return jTextAreaWithUndo(text); } static public String strUnnull(Object o) { return o == null ? "" : str(o); } static public String jlabel_textAsHTML_center_ifNeeded(String text) { if (swic(text, "") && ewic(text, "")) return text; if (!containsNewLines(text)) return text; return jlabel_textAsHTML_center(text); } static public void messageBox(final String msg) { if (headless()) print(msg); else { swing(new Runnable() { public void run() { try { JOptionPane.showMessageDialog(null, msg, "JavaX", JOptionPane.INFORMATION_MESSAGE); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "JOptionPane.showMessageDialog(null, msg, \"JavaX\", JOptionPane.INFORMATION_MES..."; } }); } } static public void messageBox(Throwable e) { printStackTrace(e); messageBox(hideCredentials(innerException2(e))); } static public KeyListener enterKeyListener(final Object action) { return new KeyAdapter() { public void keyPressed(KeyEvent ke) { if (ke.getKeyCode() == KeyEvent.VK_ENTER) pcallF(action); } }; } static public Runnable rCallOnSelectedListItem(final JList list, final Object action) { return new Runnable() { public void run() { try { pcallF(action, getSelectedItem(list)); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "pcallF(action, getSelectedItem(list))"; } }; } static public AbstractAction abstractAction(String name, final Object runnable) { return new AbstractAction(name) { public void actionPerformed(ActionEvent evt) { pcallF(runnable); } }; } static public boolean isInstanceOf(Object o, Class type) { return type.isInstance(o); } static public int parseInt(String s) { return emptyString(s) ? 0 : Integer.parseInt(s); } static public int parseInt(char c) { return Integer.parseInt(str(c)); } static public int boolToInt(boolean b) { return b ? 1 : 0; } static public void listThreadLocalAdd(ThreadLocal> tl, A a) { List l = tl.get(); if (l == null) tl.set(l = new ArrayList()); l.add(a); } static public A listThreadLocalPopLast(ThreadLocal> tl) { List l = tl.get(); if (l == null) return null; A a = popLast(l); if (empty(l)) tl.set(null); return a; } static public ArrayList cloneListSynchronizingOn(Collection l, Object mutex) { if (l == null) return new ArrayList(); synchronized (mutex) { return new ArrayList(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 String shortenSnippetID(String snippetID) { if (snippetID.startsWith("#")) snippetID = snippetID.substring(1); String httpBlaBla = "http://tinybrain.de/"; if (snippetID.startsWith(httpBlaBla)) snippetID = snippetID.substring(httpBlaBla.length()); return "" + parseLong(snippetID); } static public Map vm_generalMap_map; static public Map vm_generalMap() { if (vm_generalMap_map == null) vm_generalMap_map = (Map) get(javax(), "generalMap"); return vm_generalMap_map; } 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 String asString(Object o) { return o == null ? null : o.toString(); } 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 File getProgramDir() { return programDir(); } static public File getProgramDir(String snippetID) { return programDir(snippetID); } static public void lock(Lock lock) { try { ping(); if (lock == null) return; try { lock.lockInterruptibly(); } catch (InterruptedException e) { print("Locking interrupted! I probably deadlocked, oops."); printStackTrace(e); rethrow(e); } ping(); } catch (Exception __e) { throw rethrow(__e); } } static public void lock(Lock lock, String msg) { print("Locking: " + msg); lock(lock); } static public void lock(Lock lock, String msg, long timeout) { print("Locking: " + msg); lockOrFail(lock, timeout); } static public ReentrantLock lock() { return fairLock(); } public static File mkdirsForFile(File file) { File dir = file.getParentFile(); if (dir != null) { 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 public String getCanonicalPath(File f) { try { return f == null ? null : f.getCanonicalPath(); } catch (Exception __e) { throw rethrow(__e); } } static public String getCanonicalPath(String path) { return getCanonicalPath(newFile(path)); } static public FileOutputStream newFileOutputStream(File path) throws IOException { return newFileOutputStream(path.getPath()); } static public FileOutputStream newFileOutputStream(String path) throws IOException { return newFileOutputStream(path, false); } static public FileOutputStream newFileOutputStream(File path, boolean append) throws IOException { return newFileOutputStream(path.getPath(), append); } static public FileOutputStream newFileOutputStream(String path, boolean append) throws IOException { mkdirsForFile(path); FileOutputStream f = new FileOutputStream(path, append); _registerIO(f, path, true); return f; } static public void unlock(Lock lock, String msg) { if (lock == null) return; print("Unlocking: " + msg); lock.unlock(); } static public void unlock(Lock lock) { if (lock == null) return; lock.unlock(); } static public AutoCloseable tempCleaningUp() { return tempSetTL(ping_isCleanUpThread, true); } static public void closeAllWriters(Collection l) { for (Writer w : unnull(l)) { try { w.close(); } catch (Throwable __e) { _handleException(__e); } } } static public Collection values(Map map) { return map == null ? emptyList() : map.values(); } static public Collection values(Object map) { return values((Map) map); } static public Object nuObject(String className, Object... args) { try { return nuObject(classForName(className), args); } catch (Exception __e) { throw rethrow(__e); } } static public A nuObject(Class c, Object... args) { try { if (args.length == 0) return nuObjectWithoutArguments(c); Constructor m = nuObject_findConstructor(c, args); makeAccessible(m); return (A) m.newInstance(args); } catch (Exception __e) { throw rethrow(__e); } } static public Constructor nuObject_findConstructor(Class c, Object... args) { for (Constructor m : c.getDeclaredConstructors()) { if (!nuObject_checkArgs(m.getParameterTypes(), args, false)) continue; return m; } throw fail("Constructor " + c.getName() + getClasses(args) + " not found" + (args.length == 0 && (c.getModifiers() & java.lang.reflect.Modifier.STATIC) == 0 ? " - hint: it's a non-static class!" : "")); } static public boolean nuObject_checkArgs(Class[] types, Object[] args, boolean debug) { 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 JTextArea jTextAreaWithUndo() { return jTextAreaWithUndo(""); } static public JTextArea jTextAreaWithUndo(final String text) { return jenableUndoRedo(swingNu(JTextArea.class, text)); } static public boolean swic(String a, String b) { return startsWithIgnoreCase(a, b); } static public boolean swic(String a, String b, Matches m) { if (!swic(a, b)) return false; m.m = new String[] { substring(a, l(b)) }; return true; } static public boolean containsNewLines(String s) { return containsNewLine(s); } static public String jlabel_textAsHTML_center(String text) { return "
" + replace(htmlencode(text), "\n", "
") + "
"; } static public boolean headless() { return isHeadless(); } static public String getSelectedItem(JList l) { return (String) l.getSelectedValue(); } static public String getSelectedItem(JComboBox cb) { return strOrNull(cb.getSelectedItem()); } static public boolean emptyString(String s) { return s == null || s.length() == 0; } static public
A popLast(List l) { return liftLast(l); } static public List popLast(int n, List l) { return liftLast(n, l); } static public long parseLong(String s) { if (empty(s)) return 0; return Long.parseLong(dropSuffix("L", s)); } static public long parseLong(Object s) { return Long.parseLong((String) s); } static public Object pcallFunction(Object f, Object... args) { try { return callFunction(f, args); } catch (Throwable __e) { _handleException(__e); } return null; } 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 File programDir_mine; static public File programDir() { return programDir(getProgramID()); } static public File programDir(String snippetID) { boolean me = sameSnippetID(snippetID, programID()); if (programDir_mine != null && me) return programDir_mine; File dir = new File(javaxDataDir(), formatSnippetIDOpt(snippetID)); if (me) { String c = caseID(); if (nempty(c)) dir = newFile(dir, c); } return dir; } static public File programDir(String snippetID, String subPath) { return new File(programDir(snippetID), subPath); } static public void lockOrFail(Lock lock, long timeout) { try { ping(); if (!lock.tryLock(timeout, TimeUnit.MILLISECONDS)) { String s = "Couldn't acquire lock after " + timeout + " ms."; if (lock instanceof ReentrantLock) { ReentrantLock l = (ReentrantLock) lock; s += " Hold count: " + l.getHoldCount() + ", owner: " + call(l, "getOwner"); } throw fail(s); } ping(); } catch (Exception __e) { throw rethrow(__e); } } static public ReentrantLock fairLock() { return new ReentrantLock(true); } static public String f2s(File f) { return f == null ? null : f.getAbsolutePath(); } static public String f2s(String s) { return f2s(newFile(s)); } static public String f2s(java.nio.file.Path p) { return p == null ? null : f2s(p.toFile()); } static public void _registerIO(Object object, String path, boolean opened) { } static public AutoCloseable tempSetTL(ThreadLocal tl, A a) { return tempSetThreadLocal(tl, a); } static public List concatLists(Iterable... lists) { List l = new ArrayList(); if (lists != null) for (Iterable list : lists) addAll(l, list); return l; } static public List concatLists(Collection> lists) { List l = new ArrayList(); if (lists != null) for (Iterable list : lists) addAll(l, list); return l; } static public Map classForName_cache = synchroHashMap(); static public Class classForName(String name) { try { if (classForName_cache == null) return Class.forName(name); Class c = classForName_cache.get(name); if (c == null) classForName_cache.put(name, c = Class.forName(name)); return c; } catch (Exception __e) { throw rethrow(__e); } } static public Map nuObjectWithoutArguments_cache = newDangerousWeakHashMap(); static public Object nuObjectWithoutArguments(String className) { try { return nuObjectWithoutArguments(classForName(className)); } catch (Exception __e) { throw rethrow(__e); } } static public A nuObjectWithoutArguments(Class c) { try { if (nuObjectWithoutArguments_cache == null) return (A) nuObjectWithoutArguments_findConstructor(c).newInstance(); Constructor m = nuObjectWithoutArguments_cache.get(c); if (m == null) nuObjectWithoutArguments_cache.put(c, m = nuObjectWithoutArguments_findConstructor(c)); return (A) m.newInstance(); } catch (Exception __e) { throw rethrow(__e); } } static public Constructor nuObjectWithoutArguments_findConstructor(Class c) { for (Constructor m : c.getDeclaredConstructors()) if (empty(m.getParameterTypes())) { makeAccessible(m); return m; } throw fail("No default constructor found in " + c.getName()); } 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 List getClasses(Object[] array) { List l = emptyList(l(array)); for (Object o : array) l.add(_getClass(o)); return l; } static public A jenableUndoRedo(final A textcomp) { { swing(new Runnable() { public void run() { try { final UndoManager undo = new UndoManager(); vm_generalWeakSet("Undo Managers").add(undo); textcomp.getDocument().addUndoableEditListener(new UndoableEditListener() { public void undoableEditHappened(UndoableEditEvent evt) { undo.addEdit(evt.getEdit()); } }); textcomp.getActionMap().put("Undo", abstractAction("Undo", new Runnable() { public void run() { try { if (undo.canUndo()) undo.undo(); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "if (undo.canUndo()) undo.undo()"; } })); textcomp.getActionMap().put("Redo", abstractAction("Redo", new Runnable() { public void run() { try { if (undo.canRedo()) undo.redo(); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "if (undo.canRedo()) undo.redo()"; } })); textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo"); textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Y"), "Redo"); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "final new UndoManager undo;\r\n vm_generalWeakSet(\"Undo Managers\").add(undo)..."; } }); } return textcomp; } static public A swingNu(final Class c, final Object... args) { return swingConstruct(c, args); } static public boolean startsWithIgnoreCase(String a, String b) { return regionMatchesIC(a, 0, b, 0, b.length()); } static public boolean containsNewLine(String s) { return contains(s, '\n'); } static public List replace(List l, A a, A b) { for (int i = 0; i < l(l); i++) if (eq(l.get(i), a)) l.set(i, b); return l; } static public List replace(A a, A b, List l) { return replace(l, a, b); } static public String replace(String s, String a, String b) { return s == null ? null : a == null || b == null ? s : s.replace(a, b); } static public String replace(String s, char a, char b) { return s == null ? null : s.replace(a, b); } static public String htmlencode(Object o) { return htmlencode(str(o)); } static public String htmlencode(String s) { if (s == null) return ""; StringBuilder out = new StringBuilder(Math.max(16, s.length())); for (int i = 0; i < s.length(); i++) { char c = s.charAt(i); if (c > 127 || c == '"' || c == '<' || c == '>' || c == '&') { int cp = s.codePointAt(i); out.append("&#x"); out.append(intToHex_flexLength(cp)); out.append(';'); i += Character.charCount(cp) - 1; } else out.append(c); } return out.toString(); } static public String strOrNull(Object o) { return o == null ? null : str(o); } static public A liftLast(List l) { if (empty(l)) return null; int i = l(l) - 1; A a = l.get(i); l.remove(i); return a; } static public List liftLast(int n, List l) { int i = l(l) - n; List part = cloneSubList(l, i); removeSubList(l, i); return part; } static public String dropSuffix(String suffix, String s) { return s.endsWith(suffix) ? s.substring(0, l(s) - l(suffix)) : s; } static public Object callFunction(Object f, Object... args) { return callF(f, args); } static public boolean sameSnippetID(String a, String b) { if (!isSnippetID(a) || !isSnippetID(b)) return false; return parseSnippetID(a) == parseSnippetID(b); } static volatile public String caseID_caseID; static public String caseID() { return caseID_caseID; } static public void caseID(String id) { caseID_caseID = id; } static public void addAll(Collection c, Iterable b) { if (c != null && b != null) for (A a : b) c.add(a); } static public boolean addAll(Collection c, Collection b) { return c != null && b != null && c.addAll(b); } static public boolean addAll(Collection c, B... b) { return c != null && c.addAll(Arrays.asList(b)); } static public Map addAll(Map a, Map b) { if (a != null) a.putAll(b); return a; } 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 Class _getClass(String name) { try { return Class.forName(name); } catch (ClassNotFoundException e) { return null; } } static public Class _getClass(Object o) { return o == null ? null : o instanceof Class ? (Class) o : o.getClass(); } static public Class _getClass(Object realm, String name) { try { return getClass(realm).getClassLoader().loadClass(classNameToVM(name)); } catch (ClassNotFoundException e) { return null; } } static public Set vm_generalWeakSet(Object name) { synchronized (get(javax(), "generalMap")) { Set set = (Set) (vm_generalMap_get(name)); if (set == null) vm_generalMap_put(name, set = newWeakHashSet()); return set; } } static public boolean contains(Collection c, Object o) { return c != null && c.contains(o); } static public boolean contains(Object[] x, Object o) { if (x != null) for (Object a : x) if (eq(a, o)) return true; return false; } static public boolean contains(String s, char c) { return s != null && s.indexOf(c) >= 0; } static public boolean contains(String s, String b) { return s != null && s.indexOf(b) >= 0; } static public boolean contains(BitSet bs, int i) { return bs != null && bs.get(i); } static public String intToHex_flexLength(int i) { return Integer.toHexString(i); } static public List cloneSubList(List l, int startIndex, int endIndex) { return newSubList(l, startIndex, endIndex); } static public List cloneSubList(List l, int startIndex) { return newSubList(l, startIndex); } static public void removeSubList(List l, int from, int to) { if (l != null) subList(l, from, to).clear(); } static public void removeSubList(List l, int from) { if (l != null) subList(l, from).clear(); } 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 Class getClass(String name) { try { return Class.forName(name); } catch (ClassNotFoundException e) { return null; } } static public Class getClass(Object o) { return o instanceof Class ? (Class) o : o.getClass(); } static public 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 public String classNameToVM(String name) { return name.replace(".", "$"); } static public Object vm_generalMap_put(Object key, Object value) { return mapPutOrRemove(vm_generalMap(), key, value); } static public Set newWeakHashSet() { return synchroWeakHashSet(); } static public List newSubList(List l, int startIndex, int endIndex) { return cloneList(subList(l, startIndex, endIndex)); } static public List newSubList(List l, int startIndex) { return cloneList(subList(l, startIndex)); } static public List subList(List l, int startIndex) { return subList(l, startIndex, l(l)); } static public List subList(int startIndex, int endIndex, List l) { return subList(l, startIndex, endIndex); } static public List subList(List 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 public List subList(List l, IntRange r) { return subList(l, r.start, r.end); } static public B mapPutOrRemove(Map 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 public Set synchroWeakHashSet() { return Collections.newSetFromMap((Map) newWeakHashMap()); } 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 public class MRUCache extends LinkedHashMap { public int maxSize = 10; public MRUCache() { } public MRUCache(int maxSize) { this.maxSize = maxSize; } public boolean removeEldestEntry(Map.Entry eldest) { return size() > maxSize; } public Object _serialize() { return ll(maxSize, cloneLinkedHashMap(this)); } static public MRUCache _deserialize(List l) { MRUCache m = new MRUCache(); m.maxSize = (int) first(l); m.putAll((LinkedHashMap) second(l)); return m; } } static public interface IF0 { public A get(); } static public class Var implements IVar { public Var() { } public Var(A v) { this.v = v; } public A 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 public class DeepBitSetWordIndex { public boolean _isTransient() { return true; } public String regexp = "\\w+"; public Map singleTextIndices = new HashMap(); public ElementInstanceMatrix mainIndex = new ElementInstanceMatrix(); public void add(A a, String text) { singleTextIndices.put(a, new SingleTextWordIndex(regexp, text)); mainIndex.add(a, mapToSet(__41 -> upper(__41), regexpExtractAll(regexp, text))); } public void doneAdding() { mainIndex.doneAdding(); } public List> wordsAndOffsets(String text) { return map(regexpFindRanges(regexp, text), r -> pair(upper(substring(text, r)), r.start)); } public Collection preSearch(String query, Object... __) { boolean debug = boolPar("debug", __); List> l = wordsAndOffsets(query); Collection candidates = mainIndex.instancesContainingAllElements(pairsA(l)); if (debug) { List lengths = map(candidates, a -> singleTextIndices.get(a).length); print(nCandidates(candidates) + ", total length: " + n2(intSum(lengths)) + ", lengths: " + lengths); } return filter(candidates, a -> nempty(singleTextIndices.get(a).indicesOfWordCombination(l))); } public int numWords() { return mainIndex.numElements(); } } static public class Dyn_FieldWatcher { public DynModule module; public String field; public Object value; public Runnable action; transient public IF1 cloneValue; public Object cloneValue(Object o) { return cloneValue != null ? cloneValue.get(o) : cloneValue_base(o); } final public Object cloneValue_fallback(IF1 _f, Object o) { return _f != null ? _f.get(o) : cloneValue_base(o); } public Object cloneValue_base(Object o) { return o; } public Dyn_FieldWatcher(DynModule module, String field, Runnable action) { this(module, field, action, null); } public Dyn_FieldWatcher(DynModule module, String field, Runnable action, IF1 cloneValue) { this.cloneValue = cloneValue; this.action = action; this.field = field; this.module = module; value = cloneValue(get(module, field)); module.onChange(new Runnable() { public void run() { try { check(); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "check();"; } }); module.onFieldChange(new VF1() { public void get(String f) { try { if (eq(f, field)) check(); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "if (eq(f, field))\r\n check();"; } }); } public void check() { Object newValue = cloneValue(get(module, field)); if (eq(value, newValue)) return; value = newValue; dm_q(module, action); } } static public class ElementInstanceMatrix { public boolean _isTransient() { return true; } public UniqueList instances = new UniqueList(); public Map index = new HashMap(); transient public IF1 instanceToNumber; public int instanceToNumber(B b) { return instanceToNumber != null ? instanceToNumber.get(b) : instanceToNumber_base(b); } final public int instanceToNumber_fallback(IF1 _f, B b) { return _f != null ? _f.get(b) : instanceToNumber_base(b); } public int instanceToNumber_base(B b) { return instances.addOrGetIndex(b); } transient public IF1 numberToInstance; public B numberToInstance(int i) { return numberToInstance != null ? numberToInstance.get(i) : numberToInstance_base(i); } final public B numberToInstance_fallback(IF1 _f, int i) { return _f != null ? _f.get(i) : numberToInstance_base(i); } public B numberToInstance_base(int i) { return instances.get(i); } transient public IF1> extractElements; public Set extractElements(B instance) { return extractElements != null ? extractElements.get(instance) : extractElements_base(instance); } final public Set extractElements_fallback(IF1> _f, B instance) { return _f != null ? _f.get(instance) : extractElements_base(instance); } public Set extractElements_base(B instance) { throw fail("implement me"); } public boolean doneAdding = false; static public class Entry { public Set intSet = new HashSet(); public int[] intArray; public BitSet bitSet; public BitSet bitSet() { if (bitSet == null) bitSet = intArrayToBitSet(intArray); return bitSet; } public int count() { return intArray.length; } } public ElementInstanceMatrix() { } public void add(B instance) { add(instance, extractElements(instance)); } public void add(B instance, Collection elements) { assertFalse(doneAdding); int idx = instanceToNumber(instance); for (A word : unnull(elements)) addMatrixDot(idx, word); } public void addMatrixDot(int idx, A word) { Entry e = index.get(word); if (e == null) index.put(word, e = new Entry()); e.intSet.add(idx); } public void doneAdding() { if (doneAdding) return; doneAdding = true; for (Entry e : values(index)) { e.intArray = sortIntArrayInPlace(toIntArray(e.intSet)); e.intSet = null; } } public List instancesContainingElement(A element) { return instanceListFromIntArray(instancesContainingElement_intArray(element)); } public int[] instancesContainingElement_intArray(A element) { doneAdding(); Entry e = index.get(element); return e == null ? null : e.intArray; } public List instanceListFromIntArray(int[] array) { return array == null ? null : listFromFunction(array.length, i -> numberToInstance(array[i])); } public List instancesContainingAllElements(Collection elements) { return instanceListFromIntArray(instancesContainingAllElements_intArray(elements)); } public int[] instancesContainingAllElements_intArray(Collection elements) { doneAdding(); int n = l(elements); if (n == 0) return null; if (n == 1) return instancesContainingElement_intArray(first(elements)); Entry[] entries = new Entry[n]; Iterator itElements = iterator(elements); for (int i = 0; i < n; i++) { Entry e = index.get(itElements.next()); if (e == null) return null; entries[i] = e; } BitSet bs = cloneBitSet(entries[0].bitSet()); for (int i = 1; i < n; i++) bs.and(entries[i].bitSet()); return bitSetToIntArray(bs); } public List instancesThatAreSuperSetsOf(B instance, Object... __) { return instancesContainingAllElements(extractElements(instance)); } public NavigableSet elements() { return (NavigableSet) keys(index); } public int numElements() { return l(index); } } static public class SingleTextWordIndex { public boolean _isTransient() { return true; } public String regexp = "\\w+"; public ElementInstanceMatrix wordMatrix = new ElementInstanceMatrix(); public int length; public SingleTextWordIndex(String text) { init(text); } public SingleTextWordIndex(String regexp, String text) { this.regexp = regexp; init(text); } public void init(String text) { length = l(text); wordMatrix.numberToInstance = wordMatrix.instanceToNumber = i -> i; for (IntRange r : regexpFindRanges(regexp, text)) wordMatrix.add(r.start, ll(upper(substring(text, r)))); wordMatrix.doneAdding(); } public List> wordsAndOffsets(String text) { return map(regexpFindRanges(regexp, text), r -> pair(upper(substring(text, r)), r.start)); } public int[] preSearch(String query) { return indicesOfWordCombination(wordsAndOffsets(query)); } public int[] indicesOfWordCombination(List> wordsWithOffsets) { int n = l(wordsWithOffsets); if (n == 0) return null; if (n == 1) return intArray_minus(first(wordsWithOffsets).b, wordMatrix.instancesContainingElement_intArray(first(wordsWithOffsets).a)); ElementInstanceMatrix.Entry[] entries = new ElementInstanceMatrix.Entry[n]; for (int i = 0; i < n; i++) { ElementInstanceMatrix.Entry e = wordMatrix.index.get(wordsWithOffsets.get(i).a); if (e == null) return null; entries[i] = e; } BitSet bs = leftShiftBitSet(wordsWithOffsets.get(0).b, cloneBitSet(entries[0].bitSet())); for (int i = 1; i < n; i++) bs.and(leftShiftBitSet(wordsWithOffsets.get(i).b, entries[i].bitSet())); return bitSetToIntArray(bs); } } static public interface IVar extends IF0 { public void set(A a); public A get(); default public boolean has() { return get() != null; } default public void clear() { set(null); } } static public class Pair implements Comparable> { public A a; public B b; public Pair() { } public 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 p) { if (p == null) return 1; int i = ((Comparable) a).compareTo(p.a); if (i != 0) return i; return ((Comparable) b).compareTo(p.b); } } static public class IntRange { public int start, end; public IntRange() { } public IntRange(int start, int end) { this.end = end; this.start = start; } public boolean equals(Object o) { return stdEq2(this, o); } public int hashCode() { return stdHash2(this); } final public int length() { return end - start; } final public boolean empty() { return start >= end; } static public String _fieldOrder = "start end"; public String toString() { return "[" + start + ";" + end + "]"; } } static public class UniqueList extends RandomAccessAbstractList { public List list = new ArrayList(); public Map index = new HashMap(); public A get(int i) { return list.get(i); } public int size() { return list.size(); } public int addOrGetIndex(A a) { Integer i = index.get(a); if (i == null) { index.put(a, i = size()); list.add(a); } return i; } public boolean add(A a) { int n = size(); return addOrGetIndex(a) == n; } } abstract static public class RandomAccessAbstractList extends AbstractList implements RandomAccess { } 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 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 LinkedHashMap cloneLinkedHashMap(Map map) { return map == null ? new LinkedHashMap() : new LinkedHashMap(map); } static public A second(List l) { return get(l, 1); } static public A second(Iterable l) { if (l == null) return null; Iterator it = iterator(l); if (!it.hasNext()) return null; it.next(); return it.hasNext() ? it.next() : null; } static public A second(A[] bla) { return bla == null || bla.length <= 1 ? null : bla[1]; } static public B second(Pair p) { return p == null ? null : p.b; } static public char second(String s) { return charAt(s, 1); } static public B second(Either e) { return e == null ? null : e.bOpt(); } static public HashSet mapToSet(Object f, Iterable l) { return mapToHashSet(f, l); } static public HashSet mapToSet(IF1 f, Iterable l) { return mapToSet((Object) f, l); } static public HashSet mapToSet(Iterable l, IF1 f) { return mapToSet((Object) f, l); } static public String upper(String s) { return s == null ? null : s.toUpperCase(); } static public char upper(char c) { return Character.toUpperCase(c); } static public List regexpExtractAll(String pat, String s) { if (s == null) return null; Matcher m = regexpMatcher(pat, s); List out = new ArrayList(); while (m.find()) out.add(m.group()); return out; } 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 List regexpFindRanges(String pat, String s) { Matcher m = regexpMatcher(pat, s); List l = new ArrayList(); while (m.find()) l.add(new IntRange(m.start(), m.end())); return l; } static public Pair pair(A a, B b) { return new Pair(a, b); } static public Pair pair(A a) { return new Pair(a, a); } static public boolean boolPar(ThreadLocal tl) { return boolOptParam(tl); } static public boolean boolPar(Object[] __, String name) { return boolOptParam(__, name); } static public boolean boolPar(String name, Object[] __) { return boolOptParam(__, name); } static public boolean boolPar(String name, Map __) { return boolOptParam(name, __); } static public boolean boolPar(String name, Object[] params, boolean defaultValue) { return optParam(params, name, defaultValue); } static public List pairsA(Collection> l) { return firstOfPairs(l); } static public String nCandidates(long n) { return n2(n, "candidate"); } static public String nCandidates(Collection l) { return nCandidates(l(l)); } static public String nCandidates(Map map) { return nCandidates(l(map)); } static public int intSum(Collection c, String field) { int sum = 0; for (Object o : unnull(c)) sum += toInt(getOpt(o, field)); return sum; } static public int intSum(Iterable l) { int sum = 0; for (Integer i : unnull(l)) if (i != null) sum += i; return sum; } static public List filter(Iterable c, Object pred) { if (pred instanceof F1) return filter(c, (F1) pred); List x = new ArrayList(); if (c != null) for (Object o : c) if (isTrue(callF(pred, o))) x.add(o); return x; } static public List filter(Object pred, Iterable c) { return filter(c, pred); } static public List filter(Iterable c, F1 pred) { List x = new ArrayList(); if (c != null) for (B o : c) if (pred.get(o)) x.add(o); return x; } static public List filter(F1 pred, Iterable c) { return filter(c, pred); } static public List filter(Iterable c, IF1 pred) { List x = new ArrayList(); if (c != null) for (B o : c) if (pred.get(o)) x.add(o); return x; } static public List filter(B[] c, IF1 pred) { List x = new ArrayList(); if (c != null) for (B o : c) if (pred.get(o)) x.add(o); return x; } static public List filter(IF1 pred, Iterable c) { return filter(c, pred); } static public Q dm_q() { return dm_current_mandatory().q(); } static public void dm_q(Runnable r) { dm_inQ(r); } static public void dm_q(DynModule module, Runnable r) { module.q().add(r); } static public A dm_q(IF0 f) { return dm_evalInQ(if0ToF0(f)); } static public boolean bitSet(int x, int bit) { return (x & (1 << bit)) != 0; } static public BitSet bitSet(List l) { BitSet b = new BitSet(); for (int i : l) b.set(i); return b; } static public BitSet intArrayToBitSet(int[] array) { if (array == null) return null; int n = array.length; BitSet bs = new BitSet(); for (int i : array) bs.set(i); return bs; } static public void add(BitSet bs, int i) { bs.set(i); } static public boolean add(Collection c, A a) { return c != null && c.add(a); } static public void add(Container c, Component x) { addToContainer(c, x); } static public void assertFalse(Object o) { if (!(eq(o, false))) throw fail(str(o)); } static public boolean assertFalse(boolean b) { if (b) throw fail("oops"); return b; } static public boolean assertFalse(String msg, boolean b) { if (b) throw fail(msg); return b; } static public int[] sortIntArrayInPlace(int[] a) { if (a != null) Arrays.sort(a); return a; } static public int[] toIntArray(Collection l) { int[] a = new int[l(l)]; int i = 0; if (a.length != 0) for (int x : l) a[i++] = x; return a; } static public List listFromFunction(int n, IF1 f) { return new RandomAccessAbstractList() { public int size() { return n; } public A get(int i) { return f.get(i); } }; } static public Iterator iterator(Iterable c) { return c == null ? emptyIterator() : c.iterator(); } static public BitSet cloneBitSet(BitSet b) { return (BitSet) b.clone(); } static public int[] bitSetToIntArray(BitSet bs) { if (bs == null) return null; int n = bs.cardinality(); int[] result = new int[n]; int j = 0; for (int i = bs.nextSetBit(0); i >= 0; i = bs.nextSetBit(i + 1)) result[j++] = i; return result; } static public int[] intArray_minus(int[] array, int x) { if (x == 0 || empty(array)) return array; int n = array.length; int[] b = new int[n]; for (int i = 0; i < n; i++) b[i] = array[i] - x; return b; } static public int[] intArray_minus(int x, int[] array) { return intArray_minus(array, x); } static public BitSet leftShiftBitSet(int n, BitSet bs) { if (n == 0 || bs == null) return bs; return bs.get(n, bs.length()); } static public 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 public 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 public 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 public 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 public int hashCodeFor(Object a) { return a == null ? 0 : a.hashCode(); } static public 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 public int stdHash2(Object a) { if (a == null) return 0; return stdHash(a, toStringArray(allFields(a))); } 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 char charAt(String s, int i) { return s != null && i >= 0 && i < s.length() ? s.charAt(i) : '\0'; } static public HashSet mapToHashSet(Object f, Iterable l) { HashSet x = new HashSet(l(l)); if (l != null) for (Object o : l) x.add(callF(f, o)); return x; } static public HashSet mapToHashSet(IF1 f, Iterable l) { return mapToHashSet((Object) f, l); } static public Matcher regexpMatcher(String pat, String s) { return compileRegexp(pat).matcher(unnull(s)); } static public boolean boolOptParam(ThreadLocal tl) { return isTrue(optPar(tl)); } static public boolean boolOptParam(Object[] __, String name) { return isTrue(optParam(__, name)); } static public boolean boolOptParam(String name, Object[] __) { return boolOptParam(__, name); } static public boolean boolOptParam(String name, Map __) { return isTrue(optPar(name, __)); } static public A optParam(ThreadLocal tl, A defaultValue) { return optPar(tl, defaultValue); } static public A optParam(ThreadLocal tl) { return optPar(tl); } static public Object optParam(String name, Map params) { return mapGet(params, name); } static public A optParam(Object[] opt, String name, A defaultValue) { int n = l(opt); if (n == 1 && opt[0] instanceof Map) { Map map = (Map) (opt[0]); return map.containsKey(name) ? (A) map.get(name) : defaultValue; } if (!even(l(opt))) throw fail("Odd parameter length"); for (int i = 0; i < l(opt); i += 2) if (eq(opt[i], name)) return (A) opt[i + 1]; return defaultValue; } static public Object optParam(Object[] opt, String name) { return optParam(opt, name, null); } static public Object optParam(String name, Object[] params) { return optParam(params, name); } static public List firstOfPairs(Collection> l) { List out = new ArrayList(); for (Pair p : unnull(l)) out.add(firstOfPair(p)); return out; } static public void dm_inQ(Runnable r) { dm_q().add(r); } static public A dm_evalInQ(F0 f) { return dm_evalInQ(dm_current_mandatory(), f); } static public A dm_evalInQ(IF0 f) { return dm_evalInQ(dm_current_mandatory(), if0ToF0(f)); } static public A dm_evalInQ(DynModule module, F0 f) { return evalInQ(module.q(), f); } static public F0 if0ToF0(IF0 f) { return f == null ? null : new F0() { public A get() { try { return f.get(); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "ret f.get();"; } }; } static public void addToContainer(final Container a, final Component b) { if (a != null && b != null) { swing(new Runnable() { public void run() { try { a.add(b); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "a.add(b);"; } }); } } static public Iterator emptyIterator() { return Collections.emptyIterator(); } static public void smartSet(Field f, Object o, Object value) throws Exception { try { f.set(o, value); } catch (Exception e) { Class type = f.getType(); 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; } try { if (f.getType() == Concept.Ref.class) { f.set(o, ((Concept) o).new Ref((Concept) value)); return; } if (o instanceof Concept.Ref) { f.set(o, ((Concept.Ref) o).get()); return; } } catch (Throwable _e) { } throw e; } } static public Set allFields(Object o) { TreeSet 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 public 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 public String[] toStringArray(Collection c) { String[] a = new String[l(c)]; Iterator it = c.iterator(); for (int i = 0; i < l(a); i++) a[i] = it.next(); return a; } static public String[] toStringArray(Object o) { if (o instanceof String[]) return (String[]) o; else if (o instanceof Collection) return toStringArray((Collection) o); else throw fail("Not a collection or array: " + getClassName(o)); } static public A optPar(ThreadLocal tl, A defaultValue) { A a = tl.get(); if (a != null) { tl.set(null); return a; } return defaultValue; } static public A optPar(ThreadLocal tl) { return optPar(tl, null); } static public Object optPar(Object[] params, String name) { return optParam(params, name); } static public Object optPar(String name, Object[] params) { return optParam(params, name); } static public Object optPar(String name, Map params) { return optParam(name, params); } static public A optPar(Object[] params, String name, A defaultValue) { return optParam(params, name, defaultValue); } static public A optPar(String name, Object[] params, A defaultValue) { return optParam(params, name, defaultValue); } static public B mapGet(Map map, A a) { return map == null || a == null ? null : map.get(a); } static public B mapGet(A a, Map map) { return map == null || a == null ? null : map.get(a); } static public boolean even(int i) { return (i & 1) == 0; } static public boolean even(long i) { return (i & 1) == 0; } static public A firstOfPair(Pair p) { return p == null ? null : p.a; } static public A evalInQ(Q q, final F0 f) { if (isInQ(q)) return callF(f); final Var> var = new Var(); q.add(new Runnable() { public void run() { try { try { var.set(main.eitherA(callF(f))); } catch (Throwable e) { var.set(main.eitherB(e)); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "try {\r\n var.set(main. eitherA(callF(f)));\r\n } catch (Th..."; } }); return returnOrThrow_either(waitForVarToBeNotNull(var)); } static public LinkedHashMap asLinkedHashMap(Map map) { if (map instanceof LinkedHashMap) return (LinkedHashMap) map; LinkedHashMap m = new LinkedHashMap(); if (map != null) synchronized (collectionMutex(map)) { m.putAll(map); } return m; } static public int boostHashCombine(int a, int b) { return a ^ (b + 0x9e3779b9 + (a << 6) + (a >> 2)); } static public int hashCode(Object a) { return a == null ? 0 : a.hashCode(); } static public boolean isInQ(Q q) { return q != null && isCurrentThread(q.rst.thread); } static public Either eitherA(A a) { return new Either(1, a); } static public Either eitherB(B b) { return new Either(2, b); } static public A returnOrThrow_either(Either e) { if (isEitherB(e)) throw rethrow(e.b()); return eitherAOpt(e); } static public A waitForVarToBeNotNull(Var v) { try { synchronized (v) { while (!v.has()) v.wait(); return v.get(); } } catch (Exception __e) { throw rethrow(__e); } } static public boolean isCurrentThread(Thread t) { return t != null && t == currentThread(); } static public boolean isEitherB(Either e) { return eitherIsB(e); } static public A eitherAOpt(Either e) { return e != null && e.isA() ? e.a() : null; } static public boolean eitherIsB(Either e) { return e != null && e.isB(); } static public interface IF2 { public C get(A a, B b); } static public class Either { public byte which; public Object value; public Either() { } public Either(int which, Object value) { this.which = (byte) which; this.value = value; } public boolean isA() { return which == 1; } public boolean isB() { return which == 2; } public A a() { if (which != 1) _failMe(); return (A) value; } public B b() { if (which != 2) _failMe(); return (B) value; } public A aOpt() { return which != 1 ? null : (A) value; } public B bOpt() { return which != 2 ? null : (B) value; } public void _failMe() { throw fail("Either object is of wrong type: " + shortClassName(value)); } public String toString() { return "Either" + (isA() ? "A" : "B") + "(" + value + ")"; } } static public String b(Object contents, Object... params) { return tag("b", contents, params); } static public String shortClassName(Object o) { if (o == null) return null; Class c = o instanceof Class ? (Class) o : o.getClass(); String name = c.getName(); return shortenClassName(name); } static public boolean isA(Either e) { return eitherIsA(e); } static public String tag(String tag) { return htag(tag); } static public String tag(String tag, Object contents, Object... params) { return htag(tag, str(contents), params); } static public String tag(String tag, StringBuilder contents, Object... params) { return htag(tag, contents, params); } static public String tag(String tag, StringBuffer contents, Object... params) { return htag(tag, contents, params); } static public String shortenClassName(String name) { if (name == null) return null; int i = lastIndexOf(name, "$"); if (i < 0) i = lastIndexOf(name, "."); return i < 0 ? name : substring(name, i + 1); } static public boolean eitherIsA(Either e) { return e != null && e.isA(); } static public String htag(String tag) { return htag(tag, ""); } static public String htag(String tag, Object contents, Object... params) { String openingTag = hopeningTag(tag, params); String s = str(contents); if (empty(s) && neqic(tag, "script")) return dropLast(openingTag) + "/>"; return openingTag + s + ""; } static public int lastIndexOf(String a, String b) { return a == null || b == null ? -1 : a.lastIndexOf(b); } static public int lastIndexOf(String a, char b) { return a == null ? -1 : a.lastIndexOf(b); } static public int lastIndexOf(List l, int i, A a) { if (l == null) return -1; for (i = min(l(l), i) - 1; i >= 0; i--) if (eq(l.get(i), a)) return i; return -1; } static public String hopeningTag(String tag, Map params) { return hopeningTag(tag, mapToParams(params)); } static public String hopeningTag(String tag, Object... params) { StringBuilder buf = new StringBuilder(); buf.append("<" + tag); for (int i = 0; i < l(params); i += 2) { String name = (String) get(params, i); Object val = get(params, i + 1); if (nempty(name) && val != null) { if (val == html_valueLessParam()) buf.append(" " + name); else { String s = str(val); if (!empty(s)) buf.append(" " + name + "=" + htmlQuote(s)); } } } buf.append(">"); return str(buf); } static public boolean neqic(String a, String b) { return !eqic(a, b); } static public boolean neqic(char a, char b) { return !eqic(a, b); } static public A[] dropLast(A[] a) { return dropLast(a, 1); } static public 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 public List dropLast(List l) { return subList(l, 0, l(l) - 1); } static public List dropLast(int n, List l) { return subList(l, 0, l(l) - n); } static public List dropLast(Iterable l) { return dropLast(asList(l)); } static public String dropLast(String s) { return substring(s, 0, l(s) - 1); } static public String dropLast(String s, int n) { return substring(s, 0, l(s) - n); } static public String dropLast(int n, String s) { return dropLast(s, n); } static public int min(int a, int b) { return Math.min(a, b); } static public long min(long a, long b) { return Math.min(a, b); } static public float min(float a, float b) { return Math.min(a, b); } static public float min(float a, float b, float c) { return min(min(a, b), c); } static public double min(double a, double b) { return Math.min(a, b); } static public double min(double[] c) { double x = Double.MAX_VALUE; for (double d : c) x = Math.min(x, d); return x; } static public float min(float[] c) { float x = Float.MAX_VALUE; for (float d : c) x = Math.min(x, d); return x; } static public byte min(byte[] c) { byte x = 127; for (byte d : c) if (d < x) x = d; return x; } static public short min(short[] c) { short x = 0x7FFF; for (short d : c) if (d < x) x = d; return x; } static public int min(int[] c) { int x = Integer.MAX_VALUE; for (int d : c) if (d < x) x = d; return x; } static public Object[] mapToParams(Map map) { return mapToObjectArray(map); } static public Object html_valueLessParam_cache; static public Object html_valueLessParam() { if (html_valueLessParam_cache == null) html_valueLessParam_cache = html_valueLessParam_load(); return html_valueLessParam_cache; } static public Object html_valueLessParam_load() { return new Object(); } static public String htmlQuote(String s) { return "\"" + htmlencode_forParams(s) + "\""; } static public A[] arrayOfSameType(A[] a, int n) { return newObjectArrayOfSameType(a, n); } static public Object[] mapToObjectArray(Map map) { List l = new ArrayList(); for (Object o : keys(map)) { l.add(o); l.add(map.get(o)); } return toObjectArray(l); } static public Object[] mapToObjectArray(Object f, Collection l) { int n = l(l); Object[] array = new Object[n]; if (n != 0) { Iterator it = iterator(l); for (int i = 0; i < n; i++) array[i] = callF(f, it.next()); } return array; } static public Object[] mapToObjectArray(Object f, Object[] l) { int n = l(l); Object[] array = new Object[n]; for (int i = 0; i < n; i++) array[i] = callF(f, l[i]); return array; } static public Object[] mapToObjectArray(Collection l, IF1 f) { return mapToObjectArray(f, l); } static public String htmlencode_forParams(String s) { if (s == null) return ""; StringBuilder out = new StringBuilder(Math.max(16, s.length())); for (int i = 0; i < s.length(); i++) { char c = s.charAt(i); if (c > 127 || c == '"' || c == '<' || c == '>') { out.append("&#"); out.append((int) c); out.append(';'); } else out.append(c); } return out.toString(); } static public A[] newObjectArrayOfSameType(A[] a, int n) { return (A[]) Array.newInstance(a.getClass().getComponentType(), n); } static public Object[] toObjectArray(Collection c) { List l = asList(c); return l.toArray(new Object[l.size()]); } }