jaroslav@1041: /**
jaroslav@1041:  * Back 2 Browser Bytecode Translator
jaroslav@1041:  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jaroslav@1041:  *
jaroslav@1041:  * This program is free software: you can redistribute it and/or modify
jaroslav@1041:  * it under the terms of the GNU General Public License as published by
jaroslav@1041:  * the Free Software Foundation, version 2 of the License.
jaroslav@1041:  *
jaroslav@1041:  * This program is distributed in the hope that it will be useful,
jaroslav@1041:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
jaroslav@1041:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
jaroslav@1041:  * GNU General Public License for more details.
jaroslav@1041:  *
jaroslav@1041:  * You should have received a copy of the GNU General Public License
jaroslav@1041:  * along with this program. Look for COPYING file in the top folder.
jaroslav@1041:  * If not, see http://opensource.org/licenses/GPL-2.0.
jaroslav@1041:  */
jaroslav@1041: package org.apidesign.bck2brwsr.launcher.fximpl;
jaroslav@1041: 
jaroslav@1041: import java.util.TooManyListenersException;
jaroslav@1041: import javafx.beans.value.ChangeListener;
jaroslav@1041: 
jaroslav@1041: /**
jaroslav@1041:  *
jaroslav@1041:  * @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@1041:  */
jaroslav@1041: public final class JVMBridge {
jaroslav@1041:     private static ClassLoader[] ldrs;
jaroslav@1041:     private static ChangeListener<Void> onBck2BrwsrLoad;
jaroslav@1041:         
jaroslav@1041:     public static void registerClassLoaders(ClassLoader[] loaders) {
jaroslav@1041:         ldrs = loaders.clone();
jaroslav@1041:     }
jaroslav@1041:     
jaroslav@1041:     public static void addBck2BrwsrLoad(ChangeListener<Void> l) throws TooManyListenersException {
jaroslav@1041:         if (onBck2BrwsrLoad != null) {
jaroslav@1041:             throw new TooManyListenersException();
jaroslav@1041:         }
jaroslav@1041:         onBck2BrwsrLoad = l;
jaroslav@1041:     }
jaroslav@1041: 
jaroslav@1041:     public static void onBck2BrwsrLoad() {
jaroslav@1041:         ChangeListener<Void> l = onBck2BrwsrLoad;
jaroslav@1041:         if (l != null) {
jaroslav@1041:             l.changed(null, null, null);
jaroslav@1041:         }
jaroslav@1041:     }
jaroslav@1041:     
jaroslav@1041:     public Class<?> loadClass(String name) throws ClassNotFoundException {
jaroslav@1041:         System.err.println("trying to load " + name);
jaroslav@1041:         ClassNotFoundException ex = null;
jaroslav@1041:         if (ldrs != null) for (ClassLoader l : ldrs) {
jaroslav@1041:             try {
jaroslav@1041:                 return Class.forName(name, true, l);
jaroslav@1041:             } catch (ClassNotFoundException ex2) {
jaroslav@1041:                 ex = ex2;
jaroslav@1041:             }
jaroslav@1041:         }
jaroslav@1041:         if (ex == null) {
jaroslav@1041:             ex = new ClassNotFoundException("No loaders");
jaroslav@1041:         }
jaroslav@1041:         throw ex;
jaroslav@1041:     }
jaroslav@1041: }