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 package org.apache.geronimo.webservices.jaxr;
018
019 import javax.xml.registry.ConnectionFactory;
020 import javax.xml.registry.JAXRException;
021
022 import org.apache.commons.logging.Log;
023 import org.apache.commons.logging.LogFactory;
024 import org.apache.geronimo.gbean.GBeanInfo;
025 import org.apache.geronimo.gbean.GBeanInfoBuilder;
026 import org.apache.geronimo.naming.ResourceSource;
027 import org.apache.geronimo.j2ee.j2eeobjectnames.NameFactory;
028
029 /**
030 * Simple GBean to provide access to a JAXR ConnectionFactory
031 *
032 * @version $Rev: 706640 $ $Date: 2008-10-21 14:44:05 +0000 (Tue, 21 Oct 2008) $
033 */
034 public class JAXRGBean implements ResourceSource {
035
036 private final Log log = LogFactory.getLog(JAXRGBean.class);
037 private final ClassLoader cl;
038 private final String connectionFactoryClass;
039
040 public JAXRGBean(String connectionFactoryClass, ClassLoader cl) {
041 this.cl = cl;
042 this.connectionFactoryClass = connectionFactoryClass;
043 }
044
045 /**
046 * Returns a fresh, new implementation of javax.xml.registry.ConnectionFactory
047 *
048 * @return ConnectionFactory
049 */
050 public Object $getResource() {
051 if (connectionFactoryClass != null) {
052 System.setProperty("javax.xml.registry.ConnectionFactoryClass", connectionFactoryClass);
053 //TODO consider whether we should bypass the code below and just construct it ourselves, like it does.
054 }
055 Thread currentThread = Thread.currentThread();
056 ClassLoader oldCl = currentThread.getContextClassLoader();
057 currentThread.setContextClassLoader(cl);
058 try {
059 return ConnectionFactory.newInstance();
060 } catch (JAXRException e) {
061 log.error("Error creating ConnectionFactory", e);
062 } finally {
063 currentThread.setContextClassLoader(oldCl);
064 }
065
066 return null;
067 }
068
069
070 public static final GBeanInfo GBEAN_INFO;
071
072 static {
073 GBeanInfoBuilder infoFactory = GBeanInfoBuilder.createStatic(JAXRGBean.class,
074 NameFactory.JAXR_CONNECTION_FACTORY);
075
076 infoFactory.addAttribute("connectionFactoryClass", String.class, true, true);
077 infoFactory.addAttribute("classLoader", ClassLoader.class, false);
078
079 infoFactory.addOperation("$getResource");
080
081 infoFactory.setConstructor(new String[] {"connectionFactoryClass", "classLoader"});
082
083 GBEAN_INFO = infoFactory.getBeanInfo();
084 }
085
086 public static GBeanInfo getGBeanInfo() {
087 return GBEAN_INFO;
088 }
089
090
091 }