/*** * Copyright (c) 2009 Caelum - www.caelum.com.br/opensource - guilherme.silveira@caelum.com.br * All rights reserved. * * Licensed 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. */ package br.com.caelum.restfulie.http.javanet; import java.io.IOException; import java.net.HttpURLConnection; import java.net.URI; import java.net.URISyntaxException; import java.util.List; import br.com.caelum.restfulie.Response; import br.com.caelum.restfulie.RestClient; import br.com.caelum.restfulie.RestfulieException; import br.com.caelum.restfulie.http.ContentProcessor; import br.com.caelum.restfulie.http.Headers; import br.com.caelum.restfulie.http.HttpURLConnectionContentProcessor; import br.com.caelum.restfulie.http.Request; /** * Default response implementation based on HttpURLConnection. * * @author guilherme silveira */ public class JavaNetResponse implements Response { private int code; private Headers headers; private HttpURLConnection connection; private ContentProcessor processor; private final RestClient client; private final Request request; /** * Will use this connection to retrieve the response data. The deserializer * will be used if the user wants to retrieve the resource. */ public JavaNetResponse(HttpURLConnection connection, RestClient client, Request request) throws IOException { this(connection, client, new HttpURLConnectionContentProcessor(connection), request); } public JavaNetResponse(HttpURLConnection connection, RestClient client, ContentProcessor processor, Request request) throws IOException { this.client = client; this.request = request; this.code = connection.getResponseCode(); this.connection = connection; this.headers = new MapHeaders(connection.getHeaderFields()); this.processor = processor; } public int getCode() { return code; } public String getContent() { try { return processor.read(); } catch (IOException e) { throw new RestfulieException("Unable to parse response content", e); } } public List<String> getHeader(String key) { return headers.get(key); } public HttpURLConnection getConnection() { return connection; } @SuppressWarnings("unchecked") public <T> T getResource() { String contentType = getContentType(); String content = getContent(); return (T) client.getMediaTypes().forContentType(contentType).unmarshal(content, client); } private String getContentType() { return headers.getMain("Content-Type"); } public Headers getHeaders() { return headers; } public URI getLocation() { try { return new URI(headers.getMain("Location")); } catch (URISyntaxException e) { throw new RestfulieException("Invalid URI received as a response", e); } } public String getType() { return getContentType(); } public Request getRequest() { return this.request; } public String getStatusLine() { try { return connection.getResponseMessage(); } catch (IOException e) { throw new RestfulieException("Invalid Status line", e); } } }