1   /*
2    * $Header: /home/cvs/jakarta-commons/httpclient/src/test/org/apache/commons/httpclient/server/ErrorResponse.java,v 1.1.2.2 2004/02/22 18:21:18 olegk Exp $
3    * $Revision: 1.1.2.2 $
4    * $Date: 2004/02/22 18:21:18 $
5    *
6    * ====================================================================
7    *
8    *  Copyright 1999-2004 The Apache Software Foundation
9    *
10   *  Licensed under the Apache License, Version 2.0 (the "License");
11   *  you may not use this file except in compliance with the License.
12   *  You may obtain a copy of the License at
13   *
14   *      http://www.apache.org/licenses/LICENSE-2.0
15   *
16   *  Unless required by applicable law or agreed to in writing, software
17   *  distributed under the License is distributed on an "AS IS" BASIS,
18   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19   *  See the License for the specific language governing permissions and
20   *  limitations under the License.
21   * ====================================================================
22   *
23   * This software consists of voluntary contributions made by many
24   * individuals on behalf of the Apache Software Foundation.  For more
25   * information on the Apache Software Foundation, please see
26   * <http://www.apache.org/>.
27   *
28   * [Additional notices, if required by prior licensing conditions]
29   *
30   */
31  
32  package org.apache.commons.httpclient.server;
33  
34  import java.util.HashMap;
35  
36  import org.apache.commons.httpclient.HttpStatus;
37  
38  /***
39   * Default error responses.
40   * 
41   * @author Christian Kohlschuetter
42   */
43  public class ErrorResponse {
44      private static ErrorResponse instance = null;
45      public static synchronized ErrorResponse getInstance() {
46          if(instance == null) {
47              instance = new ErrorResponse();
48          }
49          return instance;
50      }
51      
52      private final HashMap responses = new HashMap();
53      
54      private ErrorResponse() {
55      }
56      
57      public void setResponse(int statusCode, GenericResponse r) {
58          Integer code = new Integer(statusCode);
59          responses.put(code, r);
60      }
61      
62      public GenericResponse getResponse(int statusCode) {
63          Integer code = new Integer(statusCode);
64          GenericResponse r = (GenericResponse)responses.get(code);
65          if(r == null) {
66              String text = statusCode+" "+HttpStatus.getStatusText(statusCode);
67              r = new GenericResponse("HTTP/1.0 "+text,
68              "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n"
69                  + "<html>\n<head>"
70                  + "<title>"+text+"</title>"
71                  + "</head>\n<body>"
72                  + "<h1>"+text+"</h1></body>\n</html>\n",
73              "text/html");
74              
75              responses.put(code, r);
76          }
77          return r;
78      }
79  }