| /******************************************************************************* |
| * Copyright (c) 2003, 2016 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.internal.loader.sources; |
| |
| import java.net.URL; |
| import java.util.*; |
| import org.eclipse.osgi.internal.loader.BundleLoader; |
| |
| public class MultiSourcePackage extends PackageSource { |
| private final SingleSourcePackage[] suppliers; |
| |
| public MultiSourcePackage(String id, SingleSourcePackage[] suppliers) { |
| super(id); |
| this.suppliers = suppliers; |
| } |
| |
| @Override |
| public SingleSourcePackage[] getSuppliers() { |
| return suppliers; |
| } |
| |
| @Override |
| public Class<?> loadClass(String name) throws ClassNotFoundException { |
| Class<?> result = null; |
| for (SingleSourcePackage supplier : suppliers) { |
| result = supplier.loadClass(name); |
| if (result != null) |
| return result; |
| } |
| return result; |
| } |
| |
| @Override |
| public URL getResource(String name) { |
| URL result = null; |
| for (SingleSourcePackage supplier : suppliers) { |
| result = supplier.getResource(name); |
| if (result != null) |
| return result; |
| } |
| return result; |
| } |
| |
| @Override |
| public Enumeration<URL> getResources(String name) { |
| Enumeration<URL> results = null; |
| for (SingleSourcePackage supplier : suppliers) { |
| results = BundleLoader.compoundEnumerations(results, supplier.getResources(name)); |
| } |
| return results; |
| } |
| |
| @Override |
| public Collection<String> listResources(String path, String filePattern) { |
| List<String> result = new ArrayList<>(); |
| for (SingleSourcePackage source : suppliers) { |
| Collection<String> sourceResources = source.listResources(path, filePattern); |
| for (String resource : sourceResources) { |
| if (!result.contains(resource)) |
| result.add(resource); |
| } |
| } |
| return result; |
| } |
| } |