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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *  
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *  
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License. 
18   *  
19   */
20  package org.apache.mina.example.httpserver.codec;
21  
22  import java.io.ByteArrayOutputStream;
23  import java.io.IOException;
24  import java.text.SimpleDateFormat;
25  import java.util.Date;
26  import java.util.HashMap;
27  import java.util.Map;
28  
29  import org.apache.mina.common.ByteBuffer;
30  
31  /**
32   * A HTTP response message.
33   * 
34   * @author The Apache Directory Project (mina-dev@directory.apache.org)
35   * @version $Rev: 555855 $, $Date: 2007-07-13 05:19:00 +0200 (Fri, 13 Jul 2007) $
36   */
37  public class HttpResponseMessage {
38      /** HTTP response codes */
39      public static final int HTTP_STATUS_SUCCESS = 200;
40  
41      public static final int HTTP_STATUS_NOT_FOUND = 404;
42  
43      /** Map<String, String> */
44      private Map headers = new HashMap();
45  
46      /** Storage for body of HTTP response. */
47      private ByteArrayOutputStream body = new ByteArrayOutputStream(1024);
48  
49      private int responseCode = HTTP_STATUS_SUCCESS;
50  
51      public HttpResponseMessage() {
52          headers.put("Server", "HttpServer (" + Server.VERSION_STRING + ')');
53          headers.put("Cache-Control", "private");
54          headers.put("Content-Type", "text/html; charset=iso-8859-1");
55          headers.put("Connection", "keep-alive");
56          headers.put("Keep-Alive", "200");
57          headers.put("Date", new SimpleDateFormat(
58                  "EEE, dd MMM yyyy HH:mm:ss zzz").format(new Date()));
59          headers.put("Last-Modified", new SimpleDateFormat(
60                  "EEE, dd MMM yyyy HH:mm:ss zzz").format(new Date()));
61      }
62  
63      public Map getHeaders() {
64          return headers;
65      }
66  
67      public void setContentType(String contentType) {
68          headers.put("Content-Type", contentType);
69      }
70  
71      public void setResponseCode(int responseCode) {
72          this.responseCode = responseCode;
73      }
74  
75      public int getResponseCode() {
76          return this.responseCode;
77      }
78  
79      public void appendBody(byte[] b) {
80          try {
81              body.write(b);
82          } catch (IOException ex) {
83              ex.printStackTrace();
84          }
85      }
86  
87      public void appendBody(String s) {
88          try {
89              body.write(s.getBytes());
90          } catch (IOException ex) {
91              ex.printStackTrace();
92          }
93      }
94  
95      public ByteBuffer getBody() {
96          return ByteBuffer.wrap(body.toByteArray());
97      }
98  
99      public int getBodyLength() {
100         return body.size();
101     }
102 }