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.nio.protocol; 029 030import java.io.IOException; 031 032import org.apache.http.HttpException; 033import org.apache.http.HttpRequest; 034import org.apache.http.annotation.ThreadingBehavior; 035import org.apache.http.annotation.Contract; 036import org.apache.http.protocol.HttpContext; 037import org.apache.http.protocol.HttpRequestHandler; 038import org.apache.http.util.Args; 039 040/** 041 * Basic implementation of {@link HttpAsyncRequestHandler} that delegates 042 * the process of request handling to a {@link HttpRequestHandler}. Please note 043 * that this handler buffers request content in memory and should be used for 044 * relatively small request messages. 045 * 046 * @since 4.2 047 */ 048@Contract(threading = ThreadingBehavior.IMMUTABLE_CONDITIONAL) 049public class BasicAsyncRequestHandler implements HttpAsyncRequestHandler<HttpRequest> { 050 051 private final HttpRequestHandler handler; 052 053 public BasicAsyncRequestHandler(final HttpRequestHandler handler) { 054 super(); 055 Args.notNull(handler, "Request handler"); 056 this.handler = handler; 057 } 058 059 @Override 060 public HttpAsyncRequestConsumer<HttpRequest> processRequest(final HttpRequest request, 061 final HttpContext context) { 062 return new BasicAsyncRequestConsumer(); 063 } 064 065 @Override 066 public void handle( 067 final HttpRequest request, 068 final HttpAsyncExchange httpexchange, 069 final HttpContext context) throws HttpException, IOException { 070 this.handler.handle(request, httpexchange.getResponse(), context); 071 httpexchange.submitResponse(); 072 } 073 074}