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*/
21
22package org.apache.harmony.auth.tests.support;
23
24import java.io.File;
25import java.security.Security;
26import java.security.Provider;
27import java.util.StringTokenizer;
28
29/**
30 * Additional class for verification spi-engine classes
31 *
32 */
33
34public class SpiEngUtils {
35
36    public static final String[] invalidValues = {
37            "",
38            "BadAlgorithm",
39            "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" };
40
41    /**
42     * Verification: is algorithm supported or not
43     *
44     * @param algorithm
45     * @param service
46     * @return
47     */
48    public static Provider isSupport(String algorithm, String service) {
49        try {
50            Provider[] provs = Security.getProviders(service.concat(".")
51                    .concat(algorithm));
52            if (provs == null) {
53                return null;
54            }
55            return (provs.length == 0 ? null : provs[0]);
56        } catch (Exception e) {
57            return null;
58        }
59    }
60
61    public static String getFileName(String dir, String name) {
62        String res = dir;
63        if (res.charAt(res.length() - 1) == '/') {
64            res = res.substring(0, res.length() - 1);
65        }
66        char[] mm = { File.separatorChar };
67        String sp = String.copyValueOf(mm);
68        StringTokenizer st = new StringTokenizer(name, "/");
69        while (st.hasMoreElements()) {
70            res = res.concat(sp).concat((String) st.nextElement());
71        }
72        return res;
73    }
74
75    public class MyProvider extends Provider {
76        private static final long serialVersionUID = 1L;
77
78        public MyProvider(String name, String info, String key, String clName) {
79            super(name, 1.0, info);
80            put(key, clName);
81        }
82
83    }
84
85}