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.client.methods; 029 030import java.net.URI; 031 032/** 033 * HTTP TRACE method. 034 * <p> 035 * The HTTP TRACE method is defined in section 9.6 of 036 * <a href="http://www.ietf.org/rfc/rfc2616.txt">RFC2616</a>: 037 * </p> 038 * <blockquote> 039 * The TRACE method is used to invoke a remote, application-layer loop- 040 * back of the request message. The final recipient of the request 041 * SHOULD reflect the message received back to the client as the 042 * entity-body of a 200 (OK) response. The final recipient is either the 043 * origin server or the first proxy or gateway to receive a Max-Forwards 044 * value of zero (0) in the request (see section 14.31). A TRACE request 045 * MUST NOT include an entity. 046 * </blockquote> 047 * 048 * @since 4.0 049 */ 050public class HttpTrace extends HttpRequestBase { 051 052 public final static String METHOD_NAME = "TRACE"; 053 054 public HttpTrace() { 055 super(); 056 } 057 058 public HttpTrace(final URI uri) { 059 super(); 060 setURI(uri); 061 } 062 063 /** 064 * @throws IllegalArgumentException if the uri is invalid. 065 */ 066 public HttpTrace(final String uri) { 067 super(); 068 setURI(URI.create(uri)); 069 } 070 071 @Override 072 public String getMethod() { 073 return METHOD_NAME; 074 } 075 076}