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/*******************************************************************************
* Copyright (c) 2003, 2010 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.internal.loader;
import java.net.URL;
import java.util.*;
public class MultiSourcePackage extends PackageSource {
SingleSourcePackage[] suppliers;
MultiSourcePackage(String id, SingleSourcePackage[] suppliers) {
super(id);
this.suppliers = suppliers;
}
public SingleSourcePackage[] getSuppliers() {
return suppliers;
}
public Class<?> loadClass(String name) throws ClassNotFoundException {
Class<?> result = null;
for (int i = 0; i < suppliers.length; i++) {
result = suppliers[i].loadClass(name);
if (result != null)
return result;
}
return result;
}
public URL getResource(String name) {
URL result = null;
for (int i = 0; i < suppliers.length; i++) {
result = suppliers[i].getResource(name);
if (result != null)
return result;
}
return result;
}
public Enumeration<URL> getResources(String name) {
Enumeration<URL> results = null;
for (int i = 0; i < suppliers.length; i++)
results = BundleLoader.compoundEnumerations(results, suppliers[i].getResources(name));
return results;
}
@Override
public Collection<String> listResources(String path, String filePattern) {
List<String> result = new ArrayList<String>();
for (SingleSourcePackage source : suppliers) {
Collection<String> sourceResources = source.listResources(path, filePattern);
for (String resource : sourceResources) {
if (!result.contains(resource))
result.add(resource);
}
}
return result;
}
}
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