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.corba.transaction;
018    
019    import org.omg.CORBA.Any;
020    import org.omg.CORBA.BAD_PARAM;
021    import org.omg.CORBA.INTERNAL;
022    import org.omg.CORBA.SystemException;
023    import org.omg.CosTransactions.PropagationContext;
024    import org.omg.CosTransactions.PropagationContextHelper;
025    import org.omg.IOP.Codec;
026    import org.omg.IOP.CodecPackage.FormatMismatch;
027    import org.omg.IOP.CodecPackage.TypeMismatch;
028    import org.omg.IOP.ServiceContext;
029    import org.omg.IOP.TransactionService;
030    import org.omg.PortableInterceptor.ServerRequestInfo;
031    import org.apache.geronimo.corba.util.Util;
032    
033    
034    /**
035     * @version $Rev: 706640 $ $Date: 2008-10-21 14:44:05 +0000 (Tue, 21 Oct 2008) $
036     */
037    public abstract class AbstractServerTransactionPolicyConfig implements ServerTransactionPolicyConfig {
038    
039        public void importTransaction(ServerRequestInfo serverRequestInfo) throws SystemException {
040            ServiceContext serviceContext = null;
041            try {
042                serviceContext = serverRequestInfo.get_request_service_context(TransactionService.value);
043            } catch (BAD_PARAM e) {
044                // do nothing
045            }
046            PropagationContext propagationContext;
047            if (serviceContext == null) {
048                propagationContext = null;
049            } else {
050                byte[] encoded = serviceContext.context_data;
051                Codec codec = Util.getCodec();
052                Any any;
053                try {
054                    any = codec.decode_value(encoded, PropagationContextHelper.type());
055                } catch (FormatMismatch formatMismatch) {
056                    throw (INTERNAL) new INTERNAL("Could not decode encoded propagation context").initCause(formatMismatch);
057                } catch (TypeMismatch typeMismatch) {
058                    throw (INTERNAL) new INTERNAL("Could not decode encoded propagation context").initCause(typeMismatch);
059                }
060                propagationContext = PropagationContextHelper.extract(any);
061            }
062            //figure out what method is being invoked
063            //operation name is unique... it contains the mangled operation name + arg types.
064            String operation = serverRequestInfo.operation();
065            importTransaction(operation, propagationContext);
066        }
067    
068        protected abstract void importTransaction(String operation, PropagationContext propagationContext) throws SystemException;
069    
070    }