001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020 021 package org.apache.xbean.finder; 022 023 import java.io.InputStream; 024 import java.net.URL; 025 import java.util.zip.ZipEntry; 026 027 import org.apache.xbean.osgi.bundle.util.BundleResourceFinder; 028 import org.apache.xbean.osgi.bundle.util.ResourceDiscoveryFilter; 029 import org.osgi.framework.Bundle; 030 import org.osgi.service.packageadmin.PackageAdmin; 031 032 /** 033 * @version $Rev: 942659 $ $Date: 2010-05-10 07:14:17 +0200 (Mon, 10 May 2010) $ 034 */ 035 public class BundleAnnotationFinder extends AbstractFinder { 036 private final Bundle bundle; 037 038 public BundleAnnotationFinder(PackageAdmin packageAdmin, Bundle bundle) throws Exception { 039 this(packageAdmin, bundle, BundleResourceFinder.FULL_DISCOVERY_FILTER); 040 } 041 042 public BundleAnnotationFinder(PackageAdmin packageAdmin, Bundle bundle, ResourceDiscoveryFilter discoveryFilter) throws Exception { 043 this.bundle = bundle; 044 BundleResourceFinder bundleResourceFinder = new BundleResourceFinder(packageAdmin, bundle, "", ".class", discoveryFilter); 045 bundleResourceFinder.find(new AnnotationFindingCallback()); 046 } 047 048 @Override 049 protected URL getResource(String s) { 050 return bundle.getResource(s); 051 } 052 053 @Override 054 protected Class<?> loadClass(String s) throws ClassNotFoundException { 055 return bundle.loadClass(s); 056 } 057 058 private class AnnotationFindingCallback implements BundleResourceFinder.ResourceFinderCallback { 059 060 061 public void foundInDirectory(Bundle bundle, String baseDir, URL url) throws Exception { 062 InputStream in = url.openStream(); 063 try { 064 readClassDef(in); 065 } finally { 066 in.close(); 067 } 068 } 069 070 071 public void foundInJar(Bundle bundle, String jarName, ZipEntry entry, InputStream in) throws Exception { 072 readClassDef(in); 073 } 074 } 075 076 }