/*******************************************************************************
* Copyright (c) 2004, 2006 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.osgi.framework.internal.protocol.bundleresource;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.URL;
import java.util.Enumeration;
import org.eclipse.osgi.baseadaptor.bundlefile.BundleEntry;
import org.eclipse.osgi.baseadaptor.loader.BaseClassLoader;
import org.eclipse.osgi.baseadaptor.loader.ClasspathManager;
import org.eclipse.osgi.framework.internal.core.AbstractBundle;
import org.eclipse.osgi.framework.internal.core.BundleResourceHandler;
/**
* URLStreamHandler the bundleresource protocol.
*/
public class Handler extends BundleResourceHandler {
/**
* Constructor for a bundle protocol resource URLStreamHandler.
*/
public Handler() {
super();
}
public Handler(BundleEntry bundleEntry) {
super(bundleEntry);
}
protected BundleEntry findBundleEntry(URL url, AbstractBundle bundle) throws IOException {
BaseClassLoader classloader = getBundleClassLoader(bundle);
if (classloader == null)
throw new FileNotFoundException(url.getPath());
ClasspathManager cpManager = classloader.getClasspathManager();
int index = url.getPort();
BundleEntry entry = null;
if (index == 0) {
entry = cpManager.findLocalEntry(url.getPath());
} else {
Enumeration entries = cpManager.findLocalEntries(url.getPath());
if (entries != null)
for (int i = 0; entries.hasMoreElements() && i <= index; i++)
entry = (BundleEntry) entries.nextElement();
}
if (entry == null)
throw new FileNotFoundException(url.getPath());
return entry;
}
}