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.yoko;
018    
019    import org.apache.commons.logging.Log;
020    import org.apache.commons.logging.LogFactory;
021    import org.omg.CORBA.LocalObject;
022    import org.omg.PortableInterceptor.ORBInitInfo;
023    import org.omg.PortableInterceptor.ORBInitInfoPackage.DuplicateName;
024    
025    /**
026     * @version $Revision: 452600 $ $Date: 2006-10-03 12:29:42 -0700 (Tue, 03 Oct 2006) $
027     */
028    public class ORBInitializer extends LocalObject implements org.omg.PortableInterceptor.ORBInitializer {
029    
030        private final Log log = LogFactory.getLog(ORBInitializer.class);
031    
032        public ORBInitializer() {
033            if (log.isDebugEnabled()) log.debug("ORBInitializer.<init>");
034        }
035    
036        /**
037         * Called during ORB initialization.  If it is expected that initial
038         * services registered by an interceptor will be used by other
039         * interceptors, then those initial services shall be registered at
040         * this point via calls to
041         * <code>ORBInitInfo.register_initial_reference</code>.
042         *
043         * @param info provides initialization attributes and operations by
044         *             which Interceptors can be registered.
045         */
046        public void pre_init(ORBInitInfo info) {
047        }
048    
049        /**
050         * Called during ORB initialization. If a service must resolve initial
051         * references as part of its initialization, it can assume that all
052         * initial references will be available at this point.
053         * <p/>
054         * Calling the <code>post_init</code> operations is not the final
055         * task of ORB initialization. The final task, following the
056         * <code>post_init</code> calls, is attaching the lists of registered
057         * interceptors to the ORB. Therefore, the ORB does not contain the
058         * interceptors during calls to <code>post_init</code>. If an
059         * ORB-mediated call is made from within <code>post_init</code>, no
060         * request interceptors will be invoked on that call.
061         * Likewise, if an operation is performed which causes an IOR to be
062         * created, no IOR interceptors will be invoked.
063         *
064         * @param info provides initialization attributes and
065         *             operations by which Interceptors can be registered.
066         */
067        public void post_init(ORBInitInfo info) {
068    
069            try {
070                if (log.isDebugEnabled()) log.debug("Registering IOR interceptor");
071    
072                try {
073                    info.add_server_request_interceptor(new ServiceContextInterceptor());
074                } catch (DuplicateName dn) {
075                    log.error("Error registering interceptor", dn);
076                }
077            } catch (RuntimeException re) {
078                log.error("Error registering interceptor", re);
079                throw re;
080            }
081        }
082    }