Package org.apache.sandesha.server.msgprocessors

Source Code of org.apache.sandesha.server.msgprocessors.CompositeProcessor

/*
* Copyright  1999-2004 The Apache Software Foundation.
*
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*
*/
package org.apache.sandesha.server.msgprocessors;

import org.apache.axis.AxisFault;
import org.apache.axis.Message;
import org.apache.axis.MessageContext;
import org.apache.axis.components.logger.LogFactory;
import org.apache.axis.message.addressing.AddressingHeaders;
import org.apache.axis.message.addressing.RelatesTo;
import org.apache.commons.logging.Log;
import org.apache.sandesha.Constants;
import org.apache.sandesha.IStorageManager;
import org.apache.sandesha.RMMessageContext;
import org.apache.sandesha.storage.dao.SandeshaQueueDAO;
import org.apache.sandesha.ws.rm.RMHeaders;

import javax.xml.namespace.QName;

/**
* This will process messages with sequence elements. Mainly the requests/responses.
*
* @author Jaliya Ekanayake
*/
public class CompositeProcessor implements IRMMessageProcessor {

    private IStorageManager storageManager;
    private static final Log log = LogFactory.getLog(SandeshaQueueDAO.class.getName());

    public CompositeProcessor(IStorageManager storageManger) {
        storageManager = storageManger;
    }

    public boolean processMessage(RMMessageContext rmMessageContext) throws AxisFault {

        RMHeaders rmHeaders = rmMessageContext.getRMHeaders();
        AddressingHeaders addrHeaders = rmMessageContext.getAddressingHeaders();
        AcknowledgementProcessor ackProcessor = new AcknowledgementProcessor(storageManager);
        if (rmHeaders.getSequenceAcknowledgement() != null) {
            ackProcessor.processMessage(rmMessageContext);
        }

        if (rmHeaders.getSequence() != null) {
            if (rmHeaders.getSequence().getMessageNumber() != null) {
                String sequenceUUID = rmHeaders.getSequence().getIdentifier().getIdentifier();
                long messageNumber = rmHeaders.getSequence().getMessageNumber().getMessageNumber();

                String seqId = storageManager.getOutgoingSeqenceIdOfIncomingMsg(rmMessageContext);
                boolean hasSequence = storageManager.isSequenceExist(seqId);

                if (addrHeaders.getRelatesTo() != null && !addrHeaders.getRelatesTo().isEmpty()) {
                    RelatesTo relatesTo = (RelatesTo) addrHeaders.getRelatesTo().get(0);
                    String messageId = relatesTo.getURI().toString();
                    seqId = storageManager.getOutgoingSeqOfMsg(messageId);
                }
                if (!hasSequence) {
                    storageManager.addIncomingSequence(seqId);
                }
                if (!storageManager.isMessageExist(seqId, messageNumber)) {
                    //Create a copy of the RMMessageContext.
                    RMMessageContext rmMsgContext = new RMMessageContext();
                    //Copy the RMMEssageContext
                    rmMessageContext.copyContents(rmMsgContext);
                    rmMsgContext.setSequenceID(sequenceUUID);
                    rmMsgContext.setMsgNumber(messageNumber);
                    try {
                        MessageContext msgContext = new MessageContext(rmMessageContext.getMsgContext().getAxisEngine());
                        RMMessageContext.copyMessageContext(rmMessageContext.getMsgContext(),
                                msgContext);
                        String soapMsg = rmMessageContext.getMsgContext().getRequestMessage()
                                .getSOAPEnvelope()
                                .toString();
                        Message reqMsg = new Message(soapMsg);

                        msgContext.setRequestMessage(reqMsg);
                        rmMsgContext.setMsgContext(msgContext);
                        rmMsgContext.setMessageType(Constants.MSG_TYPE_SERVICE_REQUEST);
                    } catch (Exception e) {
                        log.error(e);
                        throw new AxisFault(new QName(Constants.FaultCodes.WSRM_SERVER_INTERNAL_ERROR),
                                Constants.FaultMessages.SERVER_INTERNAL_ERROR, null, null);
                    }
                    storageManager.insertIncomingMessage(rmMsgContext);
                }

                // refresh the ack for every message arrived
                //But send only if needed.
                if (rmHeaders.getAckRequest() != null ||
                        rmHeaders.getSequence().getLastMessage() != null) {
                    storageManager.sendAck(sequenceUUID);
                    return ackProcessor.sendAcknowledgement(rmMessageContext);
                } else {
                    boolean sync = ackProcessor.sendAcknowledgement(rmMessageContext);
                    return sync;
                }
            }
        }
        return false;
    }

}
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