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Java > Open Source Codes > org > apache > turbine > services > crypto > TurbineCrypto


1 package org.apache.turbine.services.crypto;
2
3 /*
4  * Copyright 2001-2004 The Apache Software Foundation.
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License")
7  * you may not use this file except in compliance with the License.
8  * 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, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18
19 import java.security.NoSuchAlgorithmException JavaDoc;
20
21 import org.apache.turbine.services.TurbineServices;
22
23 /**
24  * This is a facade class for the CryptoService.
25  *
26  * Here are the static methods that call related methods of the
27  * various implementations of the Crypto Security Service, according
28  * to the settings in TurbineResources.
29  *
30  * @author <a HREF="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
31  * @version $Id: TurbineCrypto.java,v 1.4.2.2 2004/05/20 03:05:17 seade Exp $
32  */
33 public abstract class TurbineCrypto
34 {
35     /**
36      * Retrieves an implementation of the CryptoService, based on
37      * the settings in TurbineResources.
38      *
39      * @return an implementation of the CryptoService
40      */
41
42     public static CryptoService getService()
43     {
44         return (CryptoService) TurbineServices.getInstance()
45                 .getService(CryptoService.SERVICE_NAME);
46     }
47
48     /**
49      * Returns a CryptoAlgorithm Object which represents the requested
50      * crypto algorithm.
51      *
52      * @param algo Name of the requested algorithm
53      * @return An Object representing the algorithm
54      * @throws NoSuchAlgorithmException Requested algorithm is not available
55      */
56     public static CryptoAlgorithm getCryptoAlgorithm(String JavaDoc algo)
57             throws NoSuchAlgorithmException JavaDoc
58     {
59         return getService().getCryptoAlgorithm(algo);
60     }
61     
62 }
63
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