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 package org.apache.servicemix.specs.activation; 020 021 import java.util.Map; 022 import java.util.HashMap; 023 024 import javax.activation.MailcapCommandMap; 025 import javax.activation.CommandInfo; 026 import javax.activation.DataContentHandler; 027 028 import org.osgi.framework.Bundle; 029 030 /** 031 * An OSGi enabled MailcapCommandMap 032 */ 033 public class OsgiMailcapCommandMap extends MailcapCommandMap { 034 035 private Bundle currentBundle; 036 private Map<CommandInfo, Bundle> bundles = new HashMap<CommandInfo, Bundle>(); 037 038 public void addMailcap(String line, Bundle bundle) { 039 currentBundle = bundle; 040 addMailcap(line); 041 } 042 043 protected void addCommand(Map commandList, String mimeType, CommandInfo command) { 044 super.addCommand(commandList, mimeType, command); 045 if (currentBundle != null) { 046 bundles.put(command, currentBundle); 047 } 048 } 049 050 @Override 051 public DataContentHandler createDataContentHandler(String mimeType) { 052 CommandInfo info = getCommand(mimeType, "content-handler"); 053 if (info == null) { 054 return null; 055 } 056 057 Bundle bundle = bundles.get(info); 058 if (bundle != null) { 059 try { 060 return (DataContentHandler) bundle.loadClass(info.getCommandClass()).newInstance(); 061 } catch (ClassNotFoundException e) { 062 return null; 063 } catch (IllegalAccessException e) { 064 return null; 065 } catch (InstantiationException e) { 066 return null; 067 } 068 } 069 070 ClassLoader cl = Thread.currentThread().getContextClassLoader(); 071 if (cl == null) { 072 cl = getClass().getClassLoader(); 073 } 074 try { 075 return (DataContentHandler) cl.loadClass(info.getCommandClass()).newInstance(); 076 } catch (ClassNotFoundException e) { 077 return null; 078 } catch (IllegalAccessException e) { 079 return null; 080 } catch (InstantiationException e) { 081 return null; 082 } 083 } 084 }