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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.proxy.handlers.http;
21  
22  import org.apache.mina.proxy.ProxyAuthException;
23  import org.apache.mina.proxy.handlers.http.basic.HttpBasicAuthLogicHandler;
24  import org.apache.mina.proxy.handlers.http.basic.HttpNoAuthLogicHandler;
25  import org.apache.mina.proxy.handlers.http.digest.HttpDigestAuthLogicHandler;
26  import org.apache.mina.proxy.handlers.http.ntlm.HttpNTLMAuthLogicHandler;
27  import org.apache.mina.proxy.session.ProxyIoSession;
28  
29  /**
30   * HttpAuthenticationMethods.java - Enumerates all known http authentication methods.
31   * 
32   * @author The Apache MINA Project (dev@mina.apache.org)
33   * @version $Rev: 759732 $, $Date: 2009-03-29 19:54:01 +0200 (Sun, 29 Mar 2009) $
34   * @since MINA 2.0.0-M3
35   */
36  public enum HttpAuthenticationMethods {
37  
38      NO_AUTH(1), BASIC(2), NTLM(3), DIGEST(4);
39      
40      private final int id;
41      
42      private HttpAuthenticationMethods(int id) {
43      	this.id = id;
44      }
45  
46      /**
47       * Returns the authentication mechanism id.
48       * @return the id
49       */
50      public int getId() {
51      	return id;
52      }
53  
54      /**
55       * Creates an {@link AbstractAuthLogicHandler} to handle the authentication mechanism.
56       * 
57       * @param proxyIoSession the proxy session object
58       * @return a new logic handler 
59       */
60      public AbstractAuthLogicHandler getNewHandler(ProxyIoSession proxyIoSession)
61              throws ProxyAuthException {
62          switch (this) {
63              case BASIC:
64                  return new HttpBasicAuthLogicHandler(proxyIoSession);
65      
66              case DIGEST:
67                  return new HttpDigestAuthLogicHandler(proxyIoSession);
68      
69              case NTLM:
70                  return new HttpNTLMAuthLogicHandler(proxyIoSession);
71      
72              case NO_AUTH:
73                  return new HttpNoAuthLogicHandler(proxyIoSession);
74      
75              default:
76                  return null;
77          }
78      }
79  }