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/*******************************************************************************
* Copyright (c) 2008 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.baseadaptor.bundlefile;
import org.eclipse.osgi.baseadaptor.hooks.BundleFileWrapperFactoryHook;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.Enumeration;
import org.eclipse.osgi.baseadaptor.BaseData;
/**
* Used to chain the BundleFile objects returned from {@link BundleFileWrapperFactoryHook}.
* This class is useful for traversing the chain of wrapped bundle files.
*/
public class BundleFileWrapperChain extends BundleFile {
private final BundleFile wrapped;
private final BundleFileWrapperChain next;
public BundleFileWrapperChain(BundleFile wrapped, BundleFileWrapperChain next) {
this.wrapped = wrapped;
this.next = next;
}
public void close() throws IOException {
wrapped.close();
}
public boolean containsDir(String dir) {
return wrapped.containsDir(dir);
}
public BundleEntry getEntry(String path) {
return wrapped.getEntry(path);
}
public Enumeration getEntryPaths(String path) {
return wrapped.getEntryPaths(path);
}
public File getFile(String path, boolean nativeCode) {
return wrapped.getFile(path, nativeCode);
}
public void open() throws IOException {
wrapped.open();
}
public File getBaseFile() {
return wrapped.getBaseFile();
}
public URL getResourceURL(String path, BaseData hostData, int index) {
return wrapped.getResourceURL(path, hostData, index);
}
public String toString() {
return wrapped.toString();
}
/**
* The BundleFile that is wrapped
* @return the BunldeFile that is wrapped
*/
public BundleFile getWrapped() {
return wrapped;
}
/**
* The next WrapperBundleFile in the chain. A <code>null</code> value
* is returned if this is the end of the chain.
* @return the next WrapperBundleFile
*/
public BundleFileWrapperChain getNext() {
return next;
}
}
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