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1   /**
2    *
3    * Copyright 2005 The Apache Software Foundation
4    *
5    *  Licensed under the Apache License, Version 2.0 (the "License");
6    *  you may not use this file except in compliance with the License.
7    *  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   */
17  package org.apache.geronimo.webservices.jaxr;
18  
19  import org.apache.geronimo.gbean.GBeanInfo;
20  import org.apache.geronimo.gbean.GBeanInfoBuilder;
21  import org.apache.geronimo.j2ee.j2eeobjectnames.NameFactory;
22  import org.apache.commons.logging.LogFactory;
23  import org.apache.commons.logging.Log;
24  
25  import javax.xml.registry.ConnectionFactory;
26  import javax.xml.registry.JAXRException;
27  
28  /**
29   * Simple GBean to provide access to a JAXR ConnectionFactory
30   *
31   * @version $Rev: 398050 $ $Date: 2006-04-28 18:10:56 -0700 (Fri, 28 Apr 2006) $
32   */
33  public class JAXRGBean {
34  
35      private final Log log = LogFactory.getLog(JAXRGBean.class);
36      private final ClassLoader cl;
37      private final String connectionFactoryClass;
38  
39      public JAXRGBean(String connectionFactoryClass, ClassLoader cl) {
40          this.cl = cl;
41          this.connectionFactoryClass = connectionFactoryClass;
42      }
43  
44      /**
45       * Returns a fresh, new implementation of javax.xml.registry.ConnectionFactory
46       *
47       * @return ConnectionFactory
48       */
49      public Object $getResource() {
50          if (connectionFactoryClass != null) {
51              System.setProperty("javax.xml.registry.ConnectionFactoryClass", connectionFactoryClass);
52              //TODO consider whether we should bypass the code below and just construct it ourselves, like it does.
53          }
54          Thread currentThread = Thread.currentThread();
55          ClassLoader oldCl = currentThread.getContextClassLoader();
56          currentThread.setContextClassLoader(cl);
57          try {
58              return ConnectionFactory.newInstance();
59          } catch (JAXRException e) {
60              log.error("Error creating ConnectionFactory", e);
61          } finally {
62              currentThread.setContextClassLoader(oldCl);
63          }
64  
65          return null;
66      }
67  
68  
69      public static final GBeanInfo GBEAN_INFO;
70  
71      static {
72          GBeanInfoBuilder infoFactory = GBeanInfoBuilder.createStatic(JAXRGBean.class,
73                  NameFactory.JAXR_CONNECTION_FACTORY);
74  
75          infoFactory.addAttribute("connectionFactoryClass", String.class, true, true);
76          infoFactory.addAttribute("classLoader", ClassLoader.class, false);
77  
78          infoFactory.addOperation("$getResource");
79  
80          infoFactory.setConstructor(new String[] {"connectionFactoryClass", "classLoader"});
81  
82          GBEAN_INFO = infoFactory.getBeanInfo();
83      }
84  
85      public static GBeanInfo getGBeanInfo() {
86          return GBEAN_INFO;
87      }
88  
89  
90  }