/*
 * 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.addressing.RelatesTo;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.context.MessageContext;
import org.apache.axis2.context.OperationContext;
import org.apache.axis2.description.AxisService;
import org.apache.axis2.description.HandlerDescription;
import org.apache.axis2.util.LoggingControl;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class RelatesToBasedServiceDispatcher extends AbstractServiceDispatcher {

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

    public AxisService findService(MessageContext messageContext) throws AxisFault {
        RelatesTo relatesTo = messageContext.getRelatesTo();
        if (LoggingControl.debugLoggingAllowed && log.isDebugEnabled()) {
            log.debug(messageContext.getLogIDString() +
                    " Checking for OperationContext using RelatesTo : " + relatesTo);
        }
        if ((relatesTo != null) && (relatesTo.getValue() != null)) {
            ConfigurationContext configurationContext = messageContext.getConfigurationContext();
            OperationContext operationContext =
                    configurationContext.getOperationContext(relatesTo.getValue());
            if (operationContext != null) {
                if (LoggingControl.debugLoggingAllowed && log.isDebugEnabled()) {
                    log.debug(messageContext.getLogIDString() + " Found OperationContext: " +
                            operationContext);
                }
                return operationContext.getServiceContext().getAxisService();
            }
        }
        return null;
    }

    public void initDispatcher() {
        init(new HandlerDescription(NAME));
    }
}