001/* 002 * ==================================================================== 003 * Licensed to the Apache Software Foundation (ASF) under one 004 * or more contributor license agreements. See the NOTICE file 005 * distributed with this work for additional information 006 * regarding copyright ownership. The ASF licenses this file 007 * to you under the Apache License, Version 2.0 (the 008 * "License"); you may not use this file except in compliance 009 * with the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, 014 * software distributed under the License is distributed on an 015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 016 * KIND, either express or implied. See the License for the 017 * specific language governing permissions and limitations 018 * under the License. 019 * ==================================================================== 020 * 021 * This software consists of voluntary contributions made by many 022 * individuals on behalf of the Apache Software Foundation. For more 023 * information on the Apache Software Foundation, please see 024 * <http://www.apache.org/>. 025 * 026 */ 027 028package org.apache.http.protocol; 029 030import java.io.IOException; 031 032import org.apache.http.HttpException; 033import org.apache.http.HttpRequest; 034import org.apache.http.HttpResponse; 035 036/** 037 * HttpRequestHandler represents a routine for processing of a specific group 038 * of HTTP requests. Protocol handlers are designed to take care of protocol 039 * specific aspects, whereas individual request handlers are expected to take 040 * care of application specific HTTP processing. The main purpose of a request 041 * handler is to generate a response object with a content entity to be sent 042 * back to the client in response to the given request 043 * 044 * @since 4.0 045 */ 046public interface HttpRequestHandler { 047 048 /** 049 * Handles the request and produces a response to be sent back to 050 * the client. 051 * 052 * @param request the HTTP request. 053 * @param response the HTTP response. 054 * @param context the HTTP execution context. 055 * @throws IOException in case of an I/O error. 056 * @throws HttpException in case of HTTP protocol violation or a processing 057 * problem. 058 */ 059 void handle(HttpRequest request, HttpResponse response, HttpContext context) 060 throws HttpException, IOException; 061 062}