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1   /*
2    * $Id: CxfConfiguration.java 20088 2010-11-05 16:51:41Z aperepel $
3    * --------------------------------------------------------------------------------------
4    * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
5    *
6    * The software in this package is published under the terms of the CPAL v1.0
7    * license, a copy of which has been included with this distribution in the
8    * LICENSE.txt file.
9    */
10  
11  package org.mule.module.cxf;
12  
13  import org.mule.api.MuleContext;
14  import org.mule.api.MuleException;
15  import org.mule.api.context.MuleContextAware;
16  import org.mule.api.lifecycle.Disposable;
17  import org.mule.api.lifecycle.Initialisable;
18  import org.mule.api.lifecycle.InitialisationException;
19  import org.mule.config.spring.SpringRegistry;
20  import org.mule.module.cxf.transport.MuleUniversalTransport;
21  
22  import java.lang.reflect.Field;
23  import java.util.Map;
24  
25  import org.apache.commons.logging.Log;
26  import org.apache.commons.logging.LogFactory;
27  import org.apache.cxf.Bus;
28  import org.apache.cxf.BusException;
29  import org.apache.cxf.BusFactory;
30  import org.apache.cxf.bus.spring.SpringBusFactory;
31  import org.apache.cxf.common.util.ASMHelper;
32  import org.apache.cxf.jaxb.JAXBDataBinding;
33  import org.apache.cxf.transport.ConduitInitiatorManager;
34  import org.apache.cxf.transport.DestinationFactoryManager;
35  import org.springframework.context.ApplicationContext;
36  
37  /**
38   * Provides global CXF configuration defaults.
39   */
40  public class CxfConfiguration implements Initialisable, Disposable, MuleContextAware
41  {
42      public static final String CXF = "cxf";
43      public static final String CONFIGURATION_LOCATION = "configurationLocation";
44      public static final String DEFAULT_MULE_NAMESPACE_URI = "http://www.muleumo.org";
45      public static final String BUS_PROPERTY = CXF;
46  
47      protected transient Log logger = LogFactory.getLog(getClass());
48  
49      // The CXF Bus object
50      private Bus bus;
51      private String configurationLocation;
52      private boolean initializeStaticBusInstance = true;
53      private MuleContext muleContext;
54      
55      public void initialise() throws InitialisationException
56      {
57          BusFactory.setDefaultBus(null);
58          ApplicationContext context = (ApplicationContext) muleContext.getRegistry().lookupObject(SpringRegistry.SPRING_APPLICATION_CONTEXT);
59  
60          if (configurationLocation != null)
61          {
62              bus = new SpringBusFactory(context).createBus(configurationLocation, true);
63          }
64          else
65          {
66              bus = new SpringBusFactory().createBus((String) null, true);
67          }
68  
69          if (!initializeStaticBusInstance)
70          {
71              BusFactory.setDefaultBus(null);
72          }
73  
74          MuleUniversalTransport transport = new MuleUniversalTransport(this);
75          DestinationFactoryManager dfm = bus.getExtension(DestinationFactoryManager.class);
76          dfm.registerDestinationFactory("http://schemas.xmlsoap.org/soap/http", transport);
77          dfm.registerDestinationFactory("http://schemas.xmlsoap.org/wsdl/soap/http", transport);
78          dfm.registerDestinationFactory("http://cxf.apache.org/transports/http/configuration", transport);
79          dfm.registerDestinationFactory("http://schemas.xmlsoap.org/wsdl/http/", transport);
80          dfm.registerDestinationFactory("http://www.w3.org/2003/05/soap/bindings/HTTP/", transport);
81          dfm.registerDestinationFactory(MuleUniversalTransport.TRANSPORT_ID, transport);
82  
83          ConduitInitiatorManager extension = bus.getExtension(ConduitInitiatorManager.class);
84          try
85          {
86              // Force the HTTP transport to load if available, otherwise it could
87              // overwrite our namespaces later
88              extension.getConduitInitiator("http://schemas.xmlsoap.org/soap/http");
89          }
90          catch (BusException e1)
91          {
92              // If unavailable eat exception and continue
93          }
94          extension.registerConduitInitiator("http://schemas.xmlsoap.org/wsdl/soap/", transport);
95          extension.registerConduitInitiator("http://schemas.xmlsoap.org/soap/http", transport);
96          extension.registerConduitInitiator("http://schemas.xmlsoap.org/soap/http/", transport);
97          extension.registerConduitInitiator("http://schemas.xmlsoap.org/wsdl/soap/http", transport);
98          extension.registerConduitInitiator("http://schemas.xmlsoap.org/wsdl/http/", transport);
99          extension.registerConduitInitiator("http://www.w3.org/2003/05/soap/bindings/HTTP/", transport);
100         extension.registerConduitInitiator("http://cxf.apache.org/transports/http/configuration", transport);
101         extension.registerConduitInitiator("http://cxf.apache.org/bindings/xformat", transport);
102         extension.registerConduitInitiator(MuleUniversalTransport.TRANSPORT_ID, transport);
103     }
104 
105     public void dispose()
106     {
107         bus.shutdown(true);
108         // clear static caches preventing memory leaks on redeploy
109         // needed because cxf core classes are loaded by the Mule system classloader, not app's
110         JAXBDataBinding.clearCaches();
111         try
112         {
113             // ASMHelper.LOADER_MAP is a protected static field
114             final Field cacheField = ASMHelper.class.getDeclaredField("LOADER_MAP");
115             cacheField.setAccessible(true);
116             // static field
117             final Map cache = (Map) cacheField.get(null);
118             cache.clear();
119         }
120         catch (Throwable t)
121         {
122             logger.warn("Error disposing CxfConfiguration, this may cause a memory leak", t);
123         }
124     }
125 
126     public Bus getCxfBus()
127     {
128         return bus;
129     }
130 
131     public void setCxfBus(Bus bus)
132     {
133         this.bus = bus;
134     }
135 
136     public String getConfigurationLocation()
137     {
138         return configurationLocation;
139     }
140 
141     public void setConfigurationLocation(String configurationLocation)
142     {
143         this.configurationLocation = configurationLocation;
144     }
145     
146     public boolean isInitializeStaticBusInstance()
147     {
148         return initializeStaticBusInstance;
149     }
150 
151     public void setInitializeStaticBusInstance(boolean initializeStaticBusInstance)
152     {
153         this.initializeStaticBusInstance = initializeStaticBusInstance;
154     }
155 
156     public void setMuleContext(MuleContext context)
157     {
158         this.muleContext = context;
159     }
160 
161     public MuleContext getMuleContext()
162     {
163         return muleContext;
164     }
165 
166     public static CxfConfiguration getConfiguration(MuleContext muleContext) throws MuleException
167     {
168         CxfConfiguration configuration = muleContext.getRegistry().get(CxfConstants.DEFAULT_CXF_CONFIGURATION);
169         if (configuration == null) 
170         {
171             configuration = new CxfConfiguration();
172             configuration.setMuleContext(muleContext);
173             configuration.initialise();
174             muleContext.getRegistry().registerObject(CxfConstants.DEFAULT_CXF_CONFIGURATION, configuration);
175         }
176         return configuration;
177     }
178     
179 }