| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.http.localserver; |
| |
| import java.io.IOException; |
| import java.util.Locale; |
| |
| import org.apache.http.HttpEntity; |
| import org.apache.http.HttpEntityEnclosingRequest; |
| import org.apache.http.HttpException; |
| import org.apache.http.HttpRequest; |
| import org.apache.http.HttpResponse; |
| import org.apache.http.MethodNotSupportedException; |
| import org.apache.http.nio.entity.NByteArrayEntity; |
| import org.apache.http.protocol.HttpContext; |
| import org.apache.http.protocol.HttpRequestHandler; |
| import org.apache.http.util.EntityUtils; |
| |
| /** |
| * A handler that echos the incoming request entity. |
| */ |
| public class EchoHandler |
| implements HttpRequestHandler { |
| |
| // public default constructor |
| |
| /** |
| * Handles a request by echoing the incoming request entity. |
| * If there is no request entity, an empty document is returned. |
| * |
| * @param request the request |
| * @param response the response |
| * @param context the context |
| * |
| * @throws HttpException in case of a problem |
| * @throws IOException in case of an IO problem |
| */ |
| @Override |
| public void handle(final HttpRequest request, |
| final HttpResponse response, |
| final HttpContext context) |
| throws HttpException, IOException { |
| |
| final String method = request.getRequestLine().getMethod().toUpperCase(Locale.ROOT); |
| if (!"GET".equals(method) && |
| !"POST".equals(method) && |
| !"PUT".equals(method) |
| ) { |
| throw new MethodNotSupportedException |
| (method + " not supported by " + getClass().getName()); |
| } |
| |
| HttpEntity entity = null; |
| if (request instanceof HttpEntityEnclosingRequest) { |
| entity = ((HttpEntityEnclosingRequest)request).getEntity(); |
| } |
| |
| // For some reason, just putting the incoming entity into |
| // the response will not work. We have to buffer the message. |
| final byte[] data; |
| if (entity == null) { |
| data = new byte [0]; |
| } else { |
| data = EntityUtils.toByteArray(entity); |
| } |
| |
| final NByteArrayEntity bae = new NByteArrayEntity(data); |
| if (entity != null) { |
| bae.setContentType(entity.getContentType()); |
| } |
| response.setEntity(bae); |
| } |
| |
| } |