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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.axis2.dispatchers;

import org.apache.axis2.AxisFault;
import org.apache.axis2.context.MessageContext;
import org.apache.axis2.description.AxisOperation;
import org.apache.axis2.description.AxisService;
import org.apache.axis2.description.HandlerDescription;
import org.apache.axis2.handlers.AbstractHandler;
import org.apache.axis2.i18n.Messages;
import org.apache.axis2.util.LoggingControl;
import org.apache.axis2.wsdl.WSDLConstants;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public abstract class AbstractOperationDispatcher extends AbstractHandler {

    public static final String NAME = "AbstractOperationDispatcher";
    private static final Log log = LogFactory.getLog(AbstractOperationDispatcher.class);

    public AbstractOperationDispatcher() {
        init(new HandlerDescription(NAME));
    }

    /**
     * Called by Axis Engine to find the operation.
     *
     * @param service
     * @param messageContext
     * @return Returns AxisOperation.
     * @throws AxisFault
     */
    public abstract AxisOperation findOperation(AxisService service, MessageContext messageContext)
            throws AxisFault;

    public abstract void initDispatcher();

    /**
     * @param msgctx
     * @throws org.apache.axis2.AxisFault
     */
    public InvocationResponse invoke(MessageContext msgctx) throws AxisFault {
        if ((msgctx.getAxisService() != null) && (msgctx.getAxisOperation() == null)) {
            AxisOperation axisOperation = findOperation(msgctx.getAxisService(), msgctx);

            if (axisOperation != null) {
                if (LoggingControl.debugLoggingAllowed && log.isDebugEnabled()) {
                    log.debug(msgctx.getLogIDString() + " " + Messages.getMessage("operationfound",
                                                                                  axisOperation
                                                                                          .getName().getLocalPart()));
                }

                msgctx.setAxisOperation(axisOperation);
                //setting axisMessage into messageContext
                msgctx.setAxisMessage(axisOperation.getMessage(
                        WSDLConstants.MESSAGE_LABEL_IN_VALUE));
            }
        }
        return InvocationResponse.CONTINUE;
    }
}