001    /**
002    *
003    * Licensed to the Apache Software Foundation (ASF) under one or more
004    *  contributor license agreements.  See the NOTICE file distributed with
005    *  this work for additional information regarding copyright ownership.
006    *  The ASF licenses this file to You under the Apache License, Version 2.0
007    *  (the "License"); you may not use this file except in compliance with
008    *  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, software
013    *  distributed under the License is distributed on an "AS IS" BASIS,
014    *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015    *  See the License for the specific language governing permissions and
016    *  limitations under the License.
017    */ 
018    
019    package org.apache.geronimo.yoko;
020    
021    import org.apache.geronimo.corba.CorbaApplicationServer;
022    import org.apache.openejb.core.ServerFederation;
023    import org.apache.openejb.spi.ApplicationServer;
024    import org.apache.yoko.rmi.impl.MethodDescriptor;
025    import org.apache.yoko.rmi.impl.RMIStub;
026    
027    /**
028     * This class is the InvocationHandler for instances of POAStub. When a client
029     * calls a remote method, this is translated to a call to the invoke() method in
030     * this class.
031     */
032    public class RMIStubHandler extends org.apache.yoko.rmi.impl.RMIStubHandler {
033        // the application server singleton
034        private static CorbaApplicationServer corbaApplicationServer = new CorbaApplicationServer();
035    
036        public Object invoke(RMIStub stub, MethodDescriptor method, Object[] args) throws Throwable {
037            // object types must bbe written in the context of the corba application server
038            // which properly write replaces our objects for corba
039            ApplicationServer oldApplicationServer = ServerFederation.getApplicationServer();
040    
041            ServerFederation.setApplicationServer(corbaApplicationServer);
042    
043            try {
044                // let the super class handle everything.  We just need to wrap the context
045                return super.invoke(stub, method, args);
046    
047            } finally {
048                ServerFederation.setApplicationServer(oldApplicationServer);
049            }
050        }
051    
052    }
053