jaroslav@222
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/**
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jaroslav@222
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* Back 2 Browser Bytecode Translator
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jaroslav@1787
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* Copyright (C) 2012-2015 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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jaroslav@222
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*
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jaroslav@222
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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jaroslav@222
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* the Free Software Foundation, version 2 of the License.
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jaroslav@222
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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jaroslav@222
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*
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jaroslav@222
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* You should have received a copy of the GNU General Public License
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* along with this program. Look for COPYING file in the top folder.
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* If not, see http://opensource.org/licenses/GPL-2.0.
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*/
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package org.apidesign.vm4brwsr;
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jaroslav@222
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import java.io.IOException;
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jaroslav@1256
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import java.io.Serializable;
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jaroslav@237
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import java.lang.annotation.Annotation;
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jaroslav@654
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import java.lang.annotation.Retention;
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jaroslav@653
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import java.lang.annotation.RetentionPolicy;
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jaroslav@261
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import java.lang.reflect.Method;
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jaroslav@222
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import java.net.MalformedURLException;
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import org.apidesign.bck2brwsr.core.JavaScriptBody;
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jaroslav@222
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/**
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jaroslav@222
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*
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jaroslav@222
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* @author Jaroslav Tulach <jtulach@netbeans.org>
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jaroslav@222
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*/
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jaroslav@659
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@ClassesMarker(number = 10, nicknames = { "Ten", "Deset" }, count = ClassesMarker.E.TWO, subs = {
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jaroslav@659
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@ClassesMarker.Anno(Integer.SIZE),
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jaroslav@659
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@ClassesMarker.Anno(Integer.MIN_VALUE)
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jaroslav@659
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})
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jaroslav@662
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@ClassesNamer(name = "my text", anno = @ClassesMarker.Anno(333))
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jaroslav@222
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public class Classes {
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jaroslav@303
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public static String nameOfIO() {
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jaroslav@303
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return nameFor(IOException.class);
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jaroslav@303
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}
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jaroslav@303
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jaroslav@303
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private static String nameFor(Class<?> c) {
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jaroslav@303
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return c.getName();
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jaroslav@303
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}
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jaroslav@303
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jaroslav@649
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private static final Class<?> PRELOAD = Runnable.class;
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jaroslav@649
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jaroslav@355
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public static boolean isInterface(String s) throws ClassNotFoundException {
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jaroslav@355
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return Class.forName(s).isInterface();
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jaroslav@355
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}
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jaroslav@355
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jaroslav@222
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public static boolean equalsClassesOfExceptions() {
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jaroslav@222
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return MalformedURLException.class.getSuperclass() == IOException.class;
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jaroslav@222
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}
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jaroslav@222
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public static boolean differenceInClasses() {
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jaroslav@222
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Class<?> c1 = MalformedURLException.class;
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jaroslav@222
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Class<?> c2 = IOException.class;
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return c1 != c2;
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jaroslav@222
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}
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jaroslav@222
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jaroslav@225
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public static String classForInstance() {
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jaroslav@225
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return new IOException().getClass().getName().toString();
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jaroslav@225
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}
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jaroslav@225
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jaroslav@652
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@ClassesMarker(number = 1, nicknames = { "One", "Jedna" } )
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jaroslav@222
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public static String name() {
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jaroslav@223
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return IOException.class.getName().toString();
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}
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jaroslav@1889
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jaroslav@1889
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@ClassesMarker(self = Self.class, number = 42, nicknames = {})
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jaroslav@1889
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public static class Self {
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jaroslav@1889
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}
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jaroslav@1889
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@ClassesMarker(number = 42, nicknames = {})
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jaroslav@1889
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public static class DefaultSelf {
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jaroslav@1889
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}
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jaroslav@1889
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jaroslav@1889
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public static int self() {
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jaroslav@1889
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ClassesMarker cm = Self.class.getAnnotation(ClassesMarker.class);
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jaroslav@1889
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if (cm.self() == Self.class) {
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jaroslav@1889
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return 1;
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jaroslav@1889
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} else {
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return 0;
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}
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}
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jaroslav@1889
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jaroslav@1889
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public static int defaultSelf() {
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jaroslav@1889
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ClassesMarker cm = DefaultSelf.class.getAnnotation(ClassesMarker.class);
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jaroslav@1889
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if (cm.self() == Object.class) {
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jaroslav@1889
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return 1;
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jaroslav@1889
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} else {
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throw new IllegalStateException("" + cm.self());
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}
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jaroslav@1889
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}
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jaroslav@1889
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jaroslav@222
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public static String simpleName() {
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jaroslav@222
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return IOException.class.getSimpleName();
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jaroslav@222
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}
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jaroslav@222
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public static String canonicalName() {
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jaroslav@222
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return IOException.class.getCanonicalName();
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}
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jaroslav@654
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jaroslav@654
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public static String objectName() throws NoSuchMethodException {
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jaroslav@654
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return IOException.class.getMethod("wait").getDeclaringClass().getName();
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jaroslav@654
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}
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jaroslav@654
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jaroslav@231
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public static boolean newInstance() throws Exception {
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jaroslav@231
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IOException ioe = IOException.class.newInstance();
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jaroslav@231
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if (ioe instanceof IOException) {
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jaroslav@231
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return ioe.getClass() == IOException.class;
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jaroslav@231
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}
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jaroslav@231
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throw new IllegalStateException("Not a subtype: " + ioe);
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jaroslav@222
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}
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jaroslav@397
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public static String newInstanceNoPubConstructor() throws Exception {
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jaroslav@397
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try {
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jaroslav@397
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Float f = Float.class.newInstance();
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jaroslav@397
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return "wrong, can't instantiate: " + f;
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jaroslav@397
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} catch (Exception ex) {
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jaroslav@397
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return (ex.getClass().getName() + ":" + ex.getMessage()).toString().toString();
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jaroslav@397
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}
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jaroslav@397
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}
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jaroslav@235
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public static int getMarker() {
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jaroslav@235
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if (!Classes.class.isAnnotationPresent(ClassesMarker.class)) {
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jaroslav@235
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return -2;
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jaroslav@235
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}
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jaroslav@235
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ClassesMarker cm = Classes.class.getAnnotation(ClassesMarker.class);
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jaroslav@664
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assert cm instanceof Object : "Is object " + cm;
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jaroslav@664
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assert cm instanceof Annotation : "Is annotation " + cm;
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jaroslav@664
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assert !((Object)cm instanceof Class) : "Is not Class " + cm;
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jaroslav@235
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return cm == null ? -1 : cm.number();
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jaroslav@235
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}
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jaroslav@1889
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public static int getMarkerDefault() {
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jaroslav@1889
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try { throw new IllegalStateException(); } catch (Exception e) {}
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jaroslav@1889
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ClassesMarker cm = CD.class.getAnnotation(ClassesMarker.class);
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jaroslav@1889
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return cm == null ? -1 : cm.number();
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jaroslav@1889
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}
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jaroslav@652
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public static String getMarkerNicknames() {
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jaroslav@652
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ClassesMarker cm = Classes.class.getAnnotation(ClassesMarker.class);
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jaroslav@652
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if (cm == null) {
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jaroslav@652
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return null;
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jaroslav@652
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}
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jaroslav@660
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jaroslav@660
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final Object[] arr = cm.nicknames();
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jaroslav@660
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assert arr instanceof Object[] : "Instance of Object array: " + arr;
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jaroslav@660
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assert arr instanceof String[] : "Instance of String array: " + arr;
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jaroslav@660
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assert !(arr instanceof Integer[]) : "Not instance of Integer array: " + arr;
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jaroslav@660
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jaroslav@652
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StringBuilder sb = new StringBuilder();
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jaroslav@652
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for (String s : cm.nicknames()) {
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jaroslav@652
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sb.append(s).append("\n");
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jaroslav@652
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}
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jaroslav@652
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return sb.toString().toString();
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jaroslav@652
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}
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jaroslav@1636
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jaroslav@1637
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static String listObject(boolean string, String prefix) {
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jaroslav@1637
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final Class<?> c = string ? String.class : Object.class;
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jaroslav@1636
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StringBuilder sb = new StringBuilder();
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jaroslav@1637
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for (Method m : c.getMethods()) {
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jaroslav@1637
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final String n = m.getName();
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jaroslav@1637
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if (n.startsWith(prefix)) {
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jaroslav@1637
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sb.append(n).append("\n");
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jaroslav@1637
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}
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jaroslav@1636
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}
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jaroslav@1636
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return sb.toString().toString();
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jaroslav@1636
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}
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jaroslav@654
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@Retention(RetentionPolicy.CLASS)
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jaroslav@654
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@interface Ann {
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jaroslav@654
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}
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jaroslav@654
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jaroslav@654
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public static String getRetention() throws Exception {
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jaroslav@654
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Retention r = Ann.class.getAnnotation(Retention.class);
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jaroslav@654
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assert r != null : "Annotation is present";
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jaroslav@654
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assert r.value() == RetentionPolicy.CLASS : "Policy value is OK: " + r.value();
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jaroslav@654
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return r.annotationType().getName();
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jaroslav@654
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}
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jaroslav@653
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public static String getMarkerE() {
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jaroslav@653
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ClassesMarker cm = Classes.class.getAnnotation(ClassesMarker.class);
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jaroslav@653
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if (cm == null) {
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jaroslav@653
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return null;
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jaroslav@653
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}
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jaroslav@653
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return cm.count().name();
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jaroslav@653
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}
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jaroslav@1889
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jaroslav@1889
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185 |
@ClassesMarker(nicknames = {})
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jaroslav@1889
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186 |
class CD {
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jaroslav@1889
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187 |
}
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jaroslav@1889
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188 |
public static String getMarkerED() {
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jaroslav@1889
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ClassesMarker cm = CD.class.getAnnotation(ClassesMarker.class);
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jaroslav@1889
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190 |
if (cm == null) {
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jaroslav@1889
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return null;
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jaroslav@1889
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192 |
}
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jaroslav@1889
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193 |
return cm.count().name();
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jaroslav@1889
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194 |
}
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jaroslav@237
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195 |
public static String getNamer(boolean direct) {
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jaroslav@237
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196 |
if (direct) {
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jaroslav@237
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197 |
ClassesNamer cm = Classes.class.getAnnotation(ClassesNamer.class);
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jaroslav@237
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198 |
return cm == null ? null : cm.name();
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jaroslav@237
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199 |
}
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jaroslav@237
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200 |
for (Annotation a : Classes.class.getAnnotations()) {
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jaroslav@237
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201 |
if (a instanceof ClassesNamer) {
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jaroslav@237
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202 |
return ((ClassesNamer)a).name();
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jaroslav@237
|
203 |
}
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jaroslav@237
|
204 |
}
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jaroslav@237
|
205 |
return null;
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jaroslav@237
|
206 |
}
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jaroslav@662
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207 |
public static int getInnerNamer() {
|
jaroslav@662
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208 |
ClassesNamer cm = Classes.class.getAnnotation(ClassesNamer.class);
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jaroslav@662
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209 |
assert cm != null : "ClassesNamer is present";
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jaroslav@662
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210 |
return cm.anno().value();
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jaroslav@662
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211 |
}
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jaroslav@665
|
212 |
public static int getInnerNamers() {
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jaroslav@665
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213 |
ClassesMarker cm = Classes.class.getAnnotation(ClassesMarker.class);
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jaroslav@665
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214 |
assert cm != null : "ClassesNamer is present";
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jaroslav@665
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215 |
int sum = 0;
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jaroslav@665
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216 |
for (ClassesMarker.Anno anno : cm.subs()) {
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jaroslav@665
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217 |
sum += anno.value();
|
jaroslav@665
|
218 |
}
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jaroslav@665
|
219 |
return sum;
|
jaroslav@665
|
220 |
}
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jaroslav@261
|
221 |
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jaroslav@353
|
222 |
public static String intType() {
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jaroslav@353
|
223 |
return Integer.TYPE.getName();
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jaroslav@353
|
224 |
}
|
jaroslav@353
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225 |
|
jaroslav@354
|
226 |
public static int primitive() {
|
jaroslav@354
|
227 |
return 1;
|
jaroslav@354
|
228 |
}
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jaroslav@355
|
229 |
public static boolean primitiveB() {
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jaroslav@355
|
230 |
return true;
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jaroslav@355
|
231 |
}
|
jaroslav@354
|
232 |
|
jaroslav@355
|
233 |
public static String primitiveType(String method) throws Exception {
|
jaroslav@355
|
234 |
return reflectiveMethodCall(false, method).getClass().getName();
|
jaroslav@354
|
235 |
}
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jaroslav@354
|
236 |
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jaroslav@264
|
237 |
@JavaScriptBody(args = "msg", body = "throw msg;")
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jaroslav@264
|
238 |
private static native void thrw(String msg);
|
jaroslav@264
|
239 |
|
jaroslav@265
|
240 |
public static Object reflectiveMethodCall(boolean direct, String mn) throws Exception {
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jaroslav@264
|
241 |
Method find = null;
|
jaroslav@264
|
242 |
StringBuilder sb = new StringBuilder();
|
jaroslav@261
|
243 |
if (!direct) {
|
jaroslav@261
|
244 |
final Class<? extends Annotation> v = ClassesMarker.class;
|
jaroslav@264
|
245 |
for (Method m : Classes.class.getMethods()) {
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jaroslav@264
|
246 |
sb.append("\n").append(m.getName());
|
jaroslav@265
|
247 |
if (mn != null) {
|
jaroslav@265
|
248 |
if (m.getName().equals(mn)) {
|
jaroslav@265
|
249 |
find = m;
|
jaroslav@265
|
250 |
break;
|
jaroslav@265
|
251 |
}
|
jaroslav@265
|
252 |
} else {
|
jaroslav@265
|
253 |
if (m.getAnnotation(v) != null) {
|
jaroslav@265
|
254 |
find = m;
|
jaroslav@265
|
255 |
break;
|
jaroslav@265
|
256 |
}
|
jaroslav@261
|
257 |
}
|
jaroslav@261
|
258 |
}
|
jaroslav@264
|
259 |
} else {
|
jaroslav@265
|
260 |
find = Classes.class.getMethod(mn);
|
jaroslav@261
|
261 |
}
|
jaroslav@264
|
262 |
if (find == null) {
|
jaroslav@264
|
263 |
thrw(sb.toString());
|
jaroslav@264
|
264 |
throw new NullPointerException(sb.toString());
|
jaroslav@264
|
265 |
}
|
jaroslav@264
|
266 |
return find.invoke(null);
|
jaroslav@261
|
267 |
}
|
jaroslav@418
|
268 |
|
jaroslav@418
|
269 |
public static int reflectiveSum(int a, int b) throws Exception {
|
jaroslav@418
|
270 |
Method m = StaticMethod.class.getMethod("sum", int.class, int.class);
|
jaroslav@418
|
271 |
return (int) m.invoke(null, a, b);
|
jaroslav@418
|
272 |
}
|
jaroslav@733
|
273 |
|
jaroslav@733
|
274 |
private abstract class Application {
|
jaroslav@733
|
275 |
public abstract int getID();
|
jaroslav@733
|
276 |
}
|
jaroslav@733
|
277 |
|
jaroslav@733
|
278 |
private class MyApplication extends Application {
|
jaroslav@733
|
279 |
@Override
|
jaroslav@733
|
280 |
public int getID() {
|
jaroslav@733
|
281 |
return 1;
|
jaroslav@733
|
282 |
}
|
jaroslav@733
|
283 |
}
|
jaroslav@733
|
284 |
|
jaroslav@733
|
285 |
public static boolean isClassAssignable() {
|
jaroslav@733
|
286 |
return Application.class.isAssignableFrom(MyApplication.class);
|
jaroslav@733
|
287 |
}
|
jaroslav@733
|
288 |
|
jaroslav@960
|
289 |
public static String valueEnum(String v) {
|
jaroslav@960
|
290 |
return ClassesMarker.E.valueOf(v).toString();
|
jaroslav@960
|
291 |
}
|
jaroslav@1251
|
292 |
|
jaroslav@1251
|
293 |
public static String typeOfFn() {
|
jaroslav@1251
|
294 |
return fn().getClass().getName();
|
jaroslav@1251
|
295 |
}
|
jaroslav@1251
|
296 |
|
jaroslav@1251
|
297 |
@JavaScriptBody(args = { }, body = "return function() { alert('x'); };")
|
jaroslav@1251
|
298 |
private native static Object fn();
|
jaroslav@1256
|
299 |
|
jaroslav@1256
|
300 |
public static boolean instanceOfSuperInterface() {
|
jaroslav@1256
|
301 |
Object obj = new SuperSerial() {
|
jaroslav@1256
|
302 |
};
|
jaroslav@1256
|
303 |
return obj instanceof Serializable;
|
jaroslav@1256
|
304 |
}
|
jaroslav@1256
|
305 |
|
jaroslav@1727
|
306 |
public static String superInterface() {
|
jaroslav@1727
|
307 |
return dumpInterfaces(SuperSerial.class);
|
jaroslav@1727
|
308 |
}
|
jaroslav@1727
|
309 |
|
jaroslav@1727
|
310 |
private static String dumpInterfaces(final Class<?> aClass) {
|
jaroslav@1727
|
311 |
final Class<?>[] arr = aClass.getInterfaces();
|
jaroslav@1727
|
312 |
StringBuilder sb = new StringBuilder();
|
jaroslav@1727
|
313 |
for (Class<?> c : arr) {
|
jaroslav@1727
|
314 |
sb.append(c.getName()).append("\n");
|
jaroslav@1727
|
315 |
}
|
jaroslav@1727
|
316 |
return sb.toString();
|
jaroslav@1727
|
317 |
}
|
jaroslav@1727
|
318 |
|
jaroslav@1727
|
319 |
public static String superInterfaceInst() {
|
jaroslav@1727
|
320 |
return dumpInterfaces(new SuperSerial() {}.getClass());
|
jaroslav@1727
|
321 |
}
|
jaroslav@1727
|
322 |
|
jaroslav@1256
|
323 |
private static interface SuperSerial extends Serializable {
|
jaroslav@1256
|
324 |
}
|
jaroslav@222
|
325 |
}
|