| /******************************************************************************* |
| * Copyright (c) 2005, 2017 Cognos Incorporated, 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: |
| * Cognos Incorporated - initial API and implementation |
| * IBM Corporation - bug fixes and enhancements |
| *******************************************************************************/ |
| package org.eclipse.equinox.internal.jsp.jasper; |
| |
| import java.io.IOException; |
| import java.net.URL; |
| import java.util.Enumeration; |
| |
| import org.osgi.framework.Bundle; |
| |
| /** |
| * A BundleProxyClassLoader wraps a bundle and uses the various Bundle methods to produce a ClassLoader. |
| */ |
| public class BundleProxyClassLoader extends ClassLoader { |
| private Bundle bundle; |
| private ClassLoader parent; |
| |
| public BundleProxyClassLoader(Bundle bundle) { |
| this.bundle = bundle; |
| } |
| |
| public BundleProxyClassLoader(Bundle bundle, ClassLoader parent) { |
| super(parent); |
| this.parent = parent; |
| this.bundle = bundle; |
| } |
| |
| @Override |
| public Enumeration<URL> findResources(String name) throws IOException { |
| return bundle.getResources(name); |
| } |
| |
| @Override |
| public URL findResource(String name) { |
| return bundle.getResource(name); |
| } |
| |
| @Override |
| public Class<?> findClass(String name) throws ClassNotFoundException { |
| return bundle.loadClass(name); |
| } |
| |
| @Override |
| public URL getResource(String name) { |
| return (parent == null) ? findResource(name) : super.getResource(name); |
| } |
| |
| @Override |
| protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException { |
| Class<?> clazz = (parent == null) ? findClass(name) : super.loadClass(name, false); |
| if (resolve) |
| super.resolveClass(clazz); |
| |
| return clazz; |
| } |
| } |