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
23package org.apache.harmony.security.tests.support;
24
25import java.security.Security;
26import java.security.Provider;
27
28/**
29 * Additional class for verification spi-engine classes
30 *
31 */
32
33public 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     */
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
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}