001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 package org.apache.logging.log4j.core.util; 019 020 import java.io.IOException; 021 import java.net.URL; 022 import java.util.Enumeration; 023 024 import org.osgi.framework.Bundle; 025 026 /** 027 * Bundle-based ResourceLoader. 028 */ 029 public final class BundleResourceLoader implements ResourceLoader { 030 031 private final Bundle bundle; 032 033 public BundleResourceLoader(final Bundle bundle) { 034 this.bundle = bundle; 035 } 036 037 @Override 038 public Class<?> loadClass(final String name) throws ClassNotFoundException { 039 return bundle.loadClass(name); 040 } 041 042 @Override 043 public URL getResource(final String name) { 044 return bundle.getResource(name); 045 } 046 047 @Override 048 public Enumeration<URL> getResources(final String name) throws IOException { 049 @SuppressWarnings("unchecked") // some versions of the OSGi API are using raw types 050 final Enumeration<URL> enumeration = bundle.getResources(name); 051 return enumeration; 052 } 053 054 @Override 055 public String toString() { 056 return this.getClass().getCanonicalName() + ": " + bundle.getSymbolicName(); 057 } 058 }