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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: ClassContextProxy.java,v $
* $Revision: 1.5 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package com.sun.star.lib.sandbox;
import java.awt.Toolkit;
import java.awt.Image;
import java.io.IOException;
import java.io.InputStream;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.net.URL;
import java.net.URLConnection;
import java.net.MalformedURLException;
import java.util.Hashtable;
import java.util.zip.ZipEntry;
public final class ClassContextProxy implements ClassContext, Cachable {
private static int instances;
private static final boolean DEBUG = false;
/*
** interface cachable methods
*/
private ClassContext classContext;
private WeakRef weakRef;
public ClassContextProxy() {
instances ++;
}
public Object getHardObject() {
return classContext;
}
public void setWeakRef(WeakRef weakRef) {
classContext = (ClassContext)weakRef.getRef();
base = classContext.getBase();
this.weakRef = weakRef;
weakRef.incRefCnt();
}
public void finalize() {
weakRef.decRefCnt();
instances --;
}
/*
** ClassContext methods
*/
private URL base;
public static ClassContext create(URL base, ProtectionDomain protectionDomain, ThreadGroup threadGroup) {
return create(base, protectionDomain, threadGroup, false);
}
public static ClassContext create(URL base, ProtectionDomain protectionDomain, ThreadGroup threadGroup, boolean bSecure) {
Object object = WeakTable.get("ClassContxt: " + base);
if(DEBUG) System.err.println("#### ClassContextProxy.create:" + object);
ClassContextProxy classContextProxy = (ClassContextProxy)object;
if(classContextProxy == null) {
classContextProxy = new ClassContextProxy(base, protectionDomain, threadGroup, bSecure);
WeakTable.put("ClassContxt: " + base, classContextProxy);
}
return classContextProxy;
}
private ClassContextProxy(URL base, ProtectionDomain protectionDomain, ThreadGroup threadGroup, boolean bSecure) {
this();
this.base = base;
classContext = new ClassContextImpl(base, protectionDomain, threadGroup, bSecure);
}
public ClassLoader getClassLoader() {
return classContext.getClassLoader();
}
public boolean hasThreadGroup() {
return classContext.hasThreadGroup();
}
public ThreadGroup getThreadGroup() {
return classContext.getThreadGroup();
}
public URL getBase() {
return classContext.getBase();
}
public InputStream getResourceAsStream(String name) {
return classContext.getResourceAsStream(name);
}
public URL getResource(String name) {
return classContext.getResource(name);
}
public void addCargo( Object cargo ) {
classContext.addCargo( cargo );
}
public void dispose() { // HIER SOLLTE VIELLEICHT NOCH MEHR GETAN WERDEN?
classContext.dispose();
}
public synchronized Class findClass(String className) throws ClassNotFoundException {
return classContext.findClass(className);
}
public synchronized Class loadClass(String className) throws ClassNotFoundException {
return classContext.loadClass(className);
}
}
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