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Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/branches/2.0-Beta1/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/impl/ClassLoaderDelegate.java | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/impl/ClassLoaderDelegate.java b/sca-java-2.x/branches/2.0-Beta1/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/impl/ClassLoaderDelegate.java deleted file mode 100644 index d052d6b10f..0000000000 --- a/sca-java-2.x/branches/2.0-Beta1/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/impl/ClassLoaderDelegate.java +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.extensibility.impl; - -import java.io.IOException; -import java.net.URL; -import java.util.ArrayList; -import java.util.Collection; -import java.util.Collections; -import java.util.Enumeration; -import java.util.HashSet; -import java.util.List; -import java.util.Set; - -/** - * A classloader that can delegate to a list of other classloaders - */ -public class ClassLoaderDelegate extends ClassLoader { - private final List<ClassLoader> classLoaders = new ArrayList<ClassLoader>(); - - /** - * @param parent The parent classloaders - * @param loaders A list of classloaders to be used to load classes or resources - */ - public ClassLoaderDelegate(ClassLoader parent, Collection<ClassLoader> loaders) { - super(parent); - if (loaders != null) { - for (ClassLoader cl : loaders) { - if (cl != null && cl != parent && !classLoaders.contains(cl)) { - this.classLoaders.add(cl); - } - } - } - } - - @Override - protected Class<?> findClass(String className) throws ClassNotFoundException { - for (ClassLoader delegate : classLoaders) { - try { - return delegate.loadClass(className); - } catch (ClassNotFoundException e) { - continue; - } - } - throw new ClassNotFoundException(className); - } - - @Override - protected URL findResource(String resName) { - for (ClassLoader delegate : classLoaders) { - URL url = delegate.getResource(resName); - if (url != null) { - return url; - } - } - return null; - } - - @Override - protected Enumeration<URL> findResources(String resName) throws IOException { - Set<URL> urlSet = new HashSet<URL>(); - for (ClassLoader delegate : classLoaders) { - Enumeration<URL> urls = delegate.getResources(resName); - if (urls != null) { - while (urls.hasMoreElements()) { - urlSet.add(urls.nextElement()); - } - } - } - return Collections.enumeration(urlSet); - } -} |