| /** |
| * 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.xbean.finder.archive; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| import java.util.Arrays; |
| import java.util.Iterator; |
| import java.util.LinkedHashMap; |
| import java.util.LinkedHashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * @version $Rev$ $Date: 2012/05/03 13:43:16 $ |
| */ |
| public class ClassesArchive implements Archive { |
| |
| private final Set<ClassLoader> loaders = new LinkedHashSet<ClassLoader>(); |
| private final Map<String, Class<?>> classes = new LinkedHashMap<String, Class<?>>(); |
| |
| public ClassesArchive(Class<?>... classes) { |
| this(Arrays.asList(classes)); |
| } |
| |
| public ClassesArchive(Iterable<Class<?>> classes) { |
| assert classes != null; |
| |
| for (Class<?> clazz : classes) { |
| if (clazz == null) continue; |
| if (clazz.getClassLoader() == null) continue; |
| this.classes.put(clazz.getName(), clazz); |
| loaders.add(clazz.getClassLoader()); |
| } |
| } |
| |
| public Iterator<String> iterator() { |
| return classes.keySet().iterator(); |
| } |
| |
| public InputStream getBytecode(String className) throws IOException, ClassNotFoundException { |
| assert className != null; |
| |
| int pos = className.indexOf("<"); |
| if (pos > -1) { |
| className = className.substring(0, pos); |
| } |
| pos = className.indexOf(">"); |
| if (pos > -1) { |
| className = className.substring(0, pos); |
| } |
| if (!className.endsWith(".class")) { |
| className = className.replace('.', '/') + ".class"; |
| } |
| for (ClassLoader loader : loaders) { |
| URL resource = loader.getResource(className); |
| if (resource != null) return resource.openStream(); |
| } |
| |
| throw new ClassNotFoundException(className); |
| } |
| |
| public Class<?> loadClass(String className) throws ClassNotFoundException { |
| Class<?> clazz = classes.get(className); |
| if (clazz != null) return clazz; |
| |
| for (ClassLoader loader : loaders) { |
| try { |
| return loader.loadClass(className); |
| } catch (ClassNotFoundException e) { |
| } |
| } |
| |
| throw new ClassNotFoundException(className); |
| } |
| } |