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Java > Open Source Codes > com > sslexplorer > security > pki > SshPublicKeyFormatFactory


1 /*
2  * SSL-Explorer
3  *
4  * Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2 of
9  * the License, or (at your option) any later version.
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public
16  * License along with this program; if not, write to the Free Software
17  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18  */
19             
20 package com.sslexplorer.security.pki;
21
22 import java.util.HashMap JavaDoc;
23
24 import org.apache.commons.logging.Log;
25 import org.apache.commons.logging.LogFactory;
26
27
28 /**
29  *
30  *
31  * @author $author$
32  */
33 public class SshPublicKeyFormatFactory {
34     private static String JavaDoc defaultFormat;
35     private static HashMap JavaDoc formatTypes = new HashMap JavaDoc();
36     private static Log log = LogFactory.getLog(SshPublicKeyFormatFactory.class);
37
38     static {
39         defaultFormat = "SECSH-PublicKey-Base64Encoded";
40         formatTypes.put(defaultFormat, SECSHPublicKeyFormat.class);
41     }
42
43     /**
44      *
45      *
46      * @param type
47      *
48      * @return
49      *
50      * @throws InvalidKeyException
51      */
52     public static SshPublicKeyFormat newInstance(String JavaDoc type)
53         throws InvalidKeyException {
54         try {
55             if (formatTypes.containsKey(type)) {
56                 return (SshPublicKeyFormat) ((Class JavaDoc) formatTypes.get(type)).newInstance();
57             } else {
58                 throw new InvalidKeyException("The format type " + type +
59                     " is not supported");
60             }
61         } catch (IllegalAccessException JavaDoc iae) {
62             throw new InvalidKeyException(
63                 "Illegal access to class implementation of " + type);
64         } catch (InstantiationException JavaDoc ie) {
65             throw new InvalidKeyException(
66                 "Failed to create instance of format type " + type);
67         }
68     }
69
70     /**
71      *
72      *
73      * @return
74      */
75     public static String JavaDoc getDefaultFormatType() {
76         return defaultFormat;
77     }
78 }
79
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