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Diffstat (limited to 'java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/impl/ClassLoaderDelegate.java')
-rw-r--r--java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/impl/ClassLoaderDelegate.java89
1 files changed, 0 insertions, 89 deletions
diff --git a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/impl/ClassLoaderDelegate.java b/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/impl/ClassLoaderDelegate.java
deleted file mode 100644
index d052d6b10f..0000000000
--- a/java/sca/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);
- }
-}