/**
 * 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.cxf.transport.http;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.cxf.continuations.ContinuationProvider;
import org.apache.cxf.message.Message;

public interface ContinuationProviderFactory {

    /**
     * If this factory can support the given req/resp and 
     * provide a ContinuationProvider, it should create one
     * and return it.
     * 
     * @param inMessage
     * @param req
     * @param resp
     * @return
     */
    ContinuationProvider createContinuationProvider(Message inMessage,
                           HttpServletRequest req,
                           HttpServletResponse resp);

    /**
     * If the request already has a message associated with it, return it
     * @param req
     * @return
     */
    Message retrieveFromContinuation(HttpServletRequest req);
    
}
