Copyright (c) 2013, 2015 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2013, 2015 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.osgi.storage.bundlefile;

import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.Enumeration;
import org.eclipse.osgi.container.Module;
import org.eclipse.osgi.internal.hookregistry.BundleFileWrapperFactoryHook;
import org.eclipse.osgi.storage.BundleInfo;

A bundle file decorator. 
 Clients wishing to modify or extend the behavior of a bundle file at runtime should extend this class instead. A hook is provided by the related abstract factory class in response to a call from the framework. /**
 * A {@link BundleFile bundle file} decorator. 
 * <p/>
 * Clients wishing to modify or extend the behavior of a bundle file at runtime 
 * should extend this class instead. A hook is provided by the related {@link 
 * BundleFileWrapperFactoryHook abstract factory} class in response to a 
 * {@link BundleFileWrapperFactoryHook#wrapBundleFile(BundleFile, 
 * BundleInfo.Generation, boolean) call} from the framework.
 */
public class BundleFileWrapper extends BundleFile {
	private final BundleFile bundleFile;

	
Creates a new BundleFileWrapper instance wrapping the given bundle file. 
Params:
bundleFile – - The bundle file to wrap.
Throws:
NullPointerException – - If the bundle file is null./**
	 * Creates a new <code>BundleFileWrapper</code> instance wrapping the
	 * given {@link BundleFile bundle file}.
	 * 
	 * @param bundleFile - The bundle file to wrap.
	 * @throws NullPointerException - If the bundle file is <code>null</code>.
	 */
	public BundleFileWrapper(BundleFile bundleFile) {
		super(bundleFile.getBaseFile());
		this.bundleFile = bundleFile;
	}

	@Override
	public File getFile(String path, boolean nativeCode) {
		return bundleFile.getFile(path, nativeCode);
	}

	@Override
	public BundleEntry getEntry(String path) {
		return bundleFile.getEntry(path);
	}

	@Override
	public Enumeration<String> getEntryPaths(String path) {
		return bundleFile.getEntryPaths(path);
	}

	@Override
	public Enumeration<String> getEntryPaths(String path, boolean recurse) {
		return bundleFile.getEntryPaths(path, recurse);
	}

	
Get the wrapped bundle file.
Returns:
The wrapped bundle file./**
	 * Get the wrapped bundle file.
	 * 
	 * @return The wrapped bundle file.
	 */
	public BundleFile getBundleFile() {
		return bundleFile;
	}

	@Override
	public void close() throws IOException {
		bundleFile.close();
	}

	@Override
	public void open() throws IOException {
		bundleFile.open();
	}

	@Override
	public boolean containsDir(String dir) {
		return bundleFile.containsDir(dir);
	}

	@Override
	protected URL createResourceURL(BundleEntry bundleEntry, Module hostModule, int index, String path) {
		return bundleFile.createResourceURL(bundleEntry, hostModule, index, path);
	}

}