001// *************************************************************************************************************************** 002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file * 003// * distributed with this work for additional information regarding copyright ownership. The ASF licenses this file * 004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance * 005// * with the License. You may obtain a copy of the License at * 006// * * 007// * http://www.apache.org/licenses/LICENSE-2.0 * 008// * * 009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an * 010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the * 011// * specific language governing permissions and limitations under the License. * 012// *************************************************************************************************************************** 013package org.apache.juneau.examples.rest; 014 015import javax.servlet.*; 016import javax.servlet.http.*; 017 018import org.apache.juneau.jsonschema.annotation.ExternalDocs; 019import org.apache.juneau.annotation.*; 020import org.apache.juneau.html.annotation.*; 021import org.apache.juneau.http.annotation.*; 022import org.apache.juneau.rest.*; 023import org.apache.juneau.rest.annotation.*; 024import org.apache.juneau.rest.converters.*; 025import org.apache.juneau.rest.widget.*; 026import org.apache.juneau.transforms.*; 027 028/** 029 * Sample REST resource for echoing HttpServletRequests back to the browser. 030 * 031 * <ul class='seealso'> 032 * <li class='extlink'>{@source} 033 * </ul> 034 */ 035@RestResource( 036 path="/echo", 037 title="Request echo service", 038 description="Echos the current HttpServletRequest object back to the browser.", 039 swagger=@ResourceSwagger( 040 contact=@Contact(name="Juneau Developer",email="dev@juneau.apache.org"), 041 license=@License(name="Apache 2.0",url="http://www.apache.org/licenses/LICENSE-2.0.html"), 042 version="2.0", 043 termsOfService="You are on your own.", 044 externalDocs=@ExternalDocs(description="Apache Juneau",url="http://juneau.apache.org") 045 ) 046) 047@HtmlDocConfig( 048 widgets={ 049 ContentTypeMenuItem.class, 050 ThemeMenuItem.class 051 }, 052 navlinks={ 053 "up: request:/..", 054 "options: servlet:/?method=OPTIONS", 055 "$W{ContentTypeMenuItem}", 056 "$W{ThemeMenuItem}", 057 "source: $C{Source/gitHub}/org/apache/juneau/examples/rest/$R{servletClassSimple}.java" 058 }, 059 aside={ 060 "<div style='max-width:400px;min-width:200px' class='text'>", 061 " <p>Shows how even arbitrary POJOs such as <c>HttpServletRequest</c> can be serialized by the framework.</p>", 062 " <p>Also shows how to specify serializer properties, filters, and swaps at the servlet level to control how POJOs are serialized.</p>", 063 " <p>Also provides an example of how to use the Traversable and Queryable APIs.</p>", 064 "</div>" 065 }, 066 nowrap="false" 067) 068@BeanConfig( 069 maxDepth="5", 070 detectRecursions="true", 071 beanFilters={ 072 // Interpret these as their parent classes, not subclasses 073 HttpServletRequest.class, HttpSession.class, ServletContext.class, 074 }, 075 pojoSwaps={ 076 // Add a special filter for Enumerations 077 EnumerationSwap.class 078 } 079) 080public class RequestEchoResource extends BasicRest { 081 082 /** 083 * GET request handler. 084 * 085 * @param req The HTTP servlet request. 086 * @return The same request to serialize as the response. 087 */ 088 @RestMethod(name="*", path="/*", converters={Traversable.class,Queryable.class}, summary="Serializes the incoming HttpServletRequest object.") 089 public HttpServletRequest doGet(RestRequest req) { 090 // Just echo the request back as the response. 091 return req; 092 } 093}