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.io; 029 030import java.io.IOException; 031 032import org.apache.http.HttpException; 033import org.apache.http.HttpMessage; 034 035/** 036 * Abstract message parser intended to build HTTP messages from an arbitrary data source. 037 * 038 * @param <T> 039 * {@link HttpMessage} or a subclass 040 * 041 * @since 4.0 042 */ 043public interface HttpMessageParser<T extends HttpMessage> { 044 045 /** 046 * Generates an instance of {@link HttpMessage} from the underlying data 047 * source. 048 * 049 * @return HTTP message 050 * @throws IOException in case of an I/O error 051 * @throws HttpException in case of HTTP protocol violation 052 */ 053 T parse() 054 throws IOException, HttpException; 055 056}