/*
* Copyright 2006 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.axis2.util;

import org.apache.axis2.context.MessageContext;

/**
 * TargetResolver
 * 
 * Interface to be implemented by code to update the invocation target URL
 * before the transport is selected and the engine invoked.
 * 
 * Examples of use:
 * 1. wsa:To set to a URN value which needs translated to a targetable URL
 * 2. support clustering where a single URI may repesent multiple servers and one must be selected
 */
public interface TargetResolver {
    /**
     * resolveTarget examines the MessageContext and updates the MessageContext
     * in order to resolve the target.
     */
    public void resolveTarget(MessageContext messageContext);
}