1 /*
2  *  Licensed to the Apache Software Foundation (ASF) under one or more
3  *  contributor license agreements.  See the NOTICE file distributed with
4  *  this work for additional information regarding copyright ownership.
5  *  The ASF licenses this file to You under the Apache License, Version 2.0
6  *  (the "License"); you may not use this file except in compliance with
7  *  the License.  You may obtain a copy of the License at
8  *
9  *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  */
17 
18 /**
19 * @author Vera Y. Petrashkova
20 * @version $Revision$
21 */
22 
23 package org.apache.harmony.security.tests.support;
24 
25 import java.security.Security;
26 import java.security.Provider;
27 
28 /**
29  * Additional class for verification spi-engine classes
30  *
31  */
32 
33 public class SpiEngUtils {
34 
35     public static final String[] invalidValues = {
36             "",
37             "BadAlgorithm",
38             "Long message Long message Long message Long message Long message Long message Long message Long message Long message Long message Long message Long message Long message" };
39 
40     /**
41      * Verification: is algorithm supported or not
42      *
43      * @param algorithm
44      * @param service
45      * @return
46      */
isSupport(String algorithm, String service)47     public static Provider isSupport(String algorithm, String service) {
48         try {
49             Provider[] provs = Security.getProviders(service.concat(".")
50                     .concat(algorithm));
51             if (provs == null) {
52                 return null;
53             }
54             return (provs.length == 0 ? null : provs[0]);
55         } catch (Exception e) {
56             return null;
57         }
58     }
59 
60     public class MyProvider extends Provider {
61 
MyProvider(String name, String info, String key, String clName)62         public MyProvider(String name, String info, String key, String clName) {
63             super(name, 1.0, info);
64             put(key, clName);
65         }
66 
67     }
68 
69 }