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.impl.nio.codecs; 029 030import org.apache.http.HttpException; 031import org.apache.http.HttpRequest; 032import org.apache.http.HttpRequestFactory; 033import org.apache.http.ParseException; 034import org.apache.http.RequestLine; 035import org.apache.http.config.MessageConstraints; 036import org.apache.http.impl.DefaultHttpRequestFactory; 037import org.apache.http.message.LineParser; 038import org.apache.http.message.ParserCursor; 039import org.apache.http.nio.reactor.SessionInputBuffer; 040import org.apache.http.params.HttpParams; 041import org.apache.http.util.Args; 042import org.apache.http.util.CharArrayBuffer; 043 044/** 045 * Default {@link org.apache.http.nio.NHttpMessageParser} implementation 046 * for {@link HttpRequest}s. 047 * 048 * @since 4.1 049 */ 050@SuppressWarnings("deprecation") 051public class DefaultHttpRequestParser extends AbstractMessageParser<HttpRequest> { 052 053 private final HttpRequestFactory requestFactory; 054 055 /** 056 * Creates an instance of this class. 057 * 058 * @param buffer the session input buffer. 059 * @param parser the line parser. 060 * @param params HTTP parameters. 061 * 062 * @deprecated (4.3) use 063 * {@link DefaultHttpRequestParser#DefaultHttpRequestParser( 064 * SessionInputBuffer, LineParser, HttpRequestFactory, MessageConstraints)} 065 */ 066 @Deprecated 067 public DefaultHttpRequestParser( 068 final SessionInputBuffer buffer, 069 final LineParser parser, 070 final HttpRequestFactory requestFactory, 071 final HttpParams params) { 072 super(buffer, parser, params); 073 Args.notNull(requestFactory, "Request factory"); 074 this.requestFactory = requestFactory; 075 } 076 077 /** 078 * Creates an instance of DefaultHttpRequestParser. 079 * 080 * @param buffer the session input buffer. 081 * @param parser the line parser. If {@code null} 082 * {@link org.apache.http.message.BasicLineParser#INSTANCE} will be used. 083 * @param requestFactory the request factory. If {@code null} 084 * {@link DefaultHttpRequestFactory#INSTANCE} will be used. 085 * @param constraints Message constraints. If {@code null} 086 * {@link MessageConstraints#DEFAULT} will be used. 087 * 088 * @since 4.3 089 */ 090 public DefaultHttpRequestParser( 091 final SessionInputBuffer buffer, 092 final LineParser parser, 093 final HttpRequestFactory requestFactory, 094 final MessageConstraints constraints) { 095 super(buffer, parser, constraints); 096 this.requestFactory = requestFactory != null ? requestFactory : DefaultHttpRequestFactory.INSTANCE; 097 } 098 099 /** 100 * @since 4.3 101 */ 102 public DefaultHttpRequestParser(final SessionInputBuffer buffer, final MessageConstraints constraints) { 103 this(buffer, null, null, constraints); 104 } 105 106 /** 107 * @since 4.3 108 */ 109 public DefaultHttpRequestParser(final SessionInputBuffer buffer) { 110 this(buffer, null); 111 } 112 113 @Override 114 protected HttpRequest createMessage(final CharArrayBuffer buffer) 115 throws HttpException, ParseException { 116 final ParserCursor cursor = new ParserCursor(0, buffer.length()); 117 final RequestLine requestLine = lineParser.parseRequestLine(buffer, cursor); 118 return this.requestFactory.newHttpRequest(requestLine); 119 } 120 121}