01: package org.apache.turbine.services.crypto;
02:
03: /*
04: * Licensed to the Apache Software Foundation (ASF) under one
05: * or more contributor license agreements. See the NOTICE file
06: * distributed with this work for additional information
07: * regarding copyright ownership. The ASF licenses this file
08: * to you under the Apache License, Version 2.0 (the
09: * "License"); you may not use this file except in compliance
10: * with the License. You may obtain a copy of the License at
11: *
12: * http://www.apache.org/licenses/LICENSE-2.0
13: *
14: * Unless required by applicable law or agreed to in writing,
15: * software distributed under the License is distributed on an
16: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17: * KIND, either express or implied. See the License for the
18: * specific language governing permissions and limitations
19: * under the License.
20: */
21:
22: import java.security.NoSuchAlgorithmException;
23:
24: import org.apache.turbine.services.TurbineServices;
25:
26: /**
27: * This is a facade class for the CryptoService.
28: *
29: * Here are the static methods that call related methods of the
30: * various implementations of the Crypto Security Service, according
31: * to the settings in TurbineResources.
32: *
33: * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
34: * @version $Id: TurbineCrypto.java 534527 2007-05-02 16:10:59Z tv $
35: */
36: public abstract class TurbineCrypto {
37: /**
38: * Retrieves an implementation of the CryptoService, based on
39: * the settings in TurbineResources.
40: *
41: * @return an implementation of the CryptoService
42: */
43:
44: public static CryptoService getService() {
45: return (CryptoService) TurbineServices.getInstance()
46: .getService(CryptoService.SERVICE_NAME);
47: }
48:
49: /**
50: * Returns a CryptoAlgorithm Object which represents the requested
51: * crypto algorithm.
52: *
53: * @param algo Name of the requested algorithm
54: * @return An Object representing the algorithm
55: * @throws NoSuchAlgorithmException Requested algorithm is not available
56: */
57: public static CryptoAlgorithm getCryptoAlgorithm(String algo)
58: throws NoSuchAlgorithmException {
59: return getService().getCryptoAlgorithm(algo);
60: }
61:
62: }
|