| /* |
| * 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.felix.dm.resources; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| import java.util.Enumeration; |
| import java.util.Properties; |
| |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.Filter; |
| import org.osgi.framework.FrameworkUtil; |
| import org.osgi.framework.InvalidSyntaxException; |
| import org.osgi.framework.ServiceReference; |
| |
| public class BundleResourceRepository { |
| |
| private final Bundle bundle; |
| |
| public BundleResourceRepository(Bundle bundle) { |
| this.bundle = bundle; |
| } |
| |
| public synchronized void addHandler(ServiceReference ref, ResourceHandler handler) { |
| |
| String filter = (String) ref.getProperty("filter"); // "(&(repository=a)(path=b)(name=*.xml))" |
| |
| Filter filterObject = null; |
| |
| try { |
| filterObject = FrameworkUtil.createFilter(filter); |
| } catch (InvalidSyntaxException e) { |
| e.printStackTrace(); |
| return; |
| } |
| |
| Enumeration entries = bundle.findEntries("/", null, true); |
| while (entries.hasMoreElements()) { |
| URL entry = (URL) entries.nextElement(); |
| |
| Properties props = new Properties(); |
| props.setProperty(Resource.REPOSITORY, bundle.getSymbolicName() + "_" + bundle.getVersion()); |
| props.setProperty(Resource.PATH, entry.getPath()); |
| props.setProperty(Resource.NAME, entry.getFile()); |
| |
| if (filterObject.match(props)) |
| handler.added(new EntryResource(entry)); |
| |
| } |
| } |
| |
| public synchronized void removeHandler(ServiceReference ref, ResourceHandler handler) { |
| |
| String filter = (String) ref.getProperty("filter"); // "(&(repository=a)(path=b)(name=*.xml))" |
| |
| Filter filterObject = null; |
| |
| try { |
| filterObject = FrameworkUtil.createFilter(filter); |
| } catch (InvalidSyntaxException e) { |
| e.printStackTrace(); |
| return; |
| } |
| |
| Enumeration entries = bundle.findEntries("/", null, true); |
| while (entries.hasMoreElements()) { |
| URL entry = (URL) entries.nextElement(); |
| |
| Properties props = new Properties(); |
| props.setProperty(Resource.REPOSITORY, bundle.getSymbolicName() + "_" + bundle.getVersion()); |
| props.setProperty(Resource.PATH, entry.getPath()); |
| props.setProperty(Resource.NAME, entry.getFile()); |
| |
| if (filterObject.match(props)) |
| handler.removed(new EntryResource(entry)); |
| |
| } |
| } |
| |
| class EntryResource implements Resource { |
| |
| URL entry; |
| |
| EntryResource(URL entry) { |
| this.entry = entry; |
| } |
| |
| public String getName() { |
| return entry.getFile(); |
| } |
| |
| public String getPath() { |
| return entry.getPath(); |
| } |
| |
| public String getRepository() { |
| |
| return bundle.getSymbolicName() + "_" + bundle.getVersion(); |
| } |
| |
| public InputStream openStream() throws IOException { |
| return entry.openStream(); |
| } |
| } |
| } |