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/*
* Container.java February 2001
*
* Copyright (C) 2001, Niall Gallagher <niallg@users.sf.net>
*
* 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.simpleframework.http.core;
import org.simpleframework.http.Request;
import org.simpleframework.http.Response;
/**
* The <code>Container</code> object is used to process HTTP requests
* and compose HTTP responses. The <code>Request</code> objects that
* are handed to this container contain all information relating to
* the received message. The responsibility of the container is to
* interpret the request and compose a suitable response.
* <p>
* All implementations must ensure that the container is thread safe
* as it will receive multiple HTTP transactions concurrently. Also
* it should be known that the <code>Response</code> object used to
* deliver the HTTP response will only commit and send once it has
* its <code>OutputStream</code> closed.
* <p>
* The <code>Container</code> is entirely responsible for the HTTP
* message headers and body. It is up to the implementation to ensure
* that it complies to RFC 2616 or any previous specification. All
* headers and the status line can be modified by this object.
*
* @author Niall Gallagher
*/
public interface Container {
/**
* Used to pass the <code>Request</code> and <code>Response</code>
* to the container for processing. Any implementation of this
* must ensure that this is thread safe, as it will receive many
* concurrent invocations each with a unique HTTP request.
* <p>
* The request and response objects are used to interact with the
* connected pipeline, in such a way that requests and response
* objects can be delivered in sequence and without interference.
* The next request from a HTTP pipeline is only processed once
* the <code>Response</code> object has been closed and committed.
*
* @param req the request that contains the client HTTP message
* @param resp the response used to deliver the server response
*/
void handle(Request req, Response resp);
}
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