SSLServerSocketFactory.java revision 2ad60cfc28e14ee8f0bb038720836a4696c478ad 
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 Boris V. Kuznetsov
20* @version $Revision$
21*/
22
23package javax.net.ssl;
24
25import java.security.AccessController;
26import java.security.Security;
27
28import javax.net.ServerSocketFactory;
29
30/**
31 * @com.intel.drl.spec_ref
32 *
33 */
34public abstract class SSLServerSocketFactory extends ServerSocketFactory {
35// TODO EXPORT CONTROL
36
37    // The default SSL socket factory
38    private static ServerSocketFactory defaultServerSocketFactory;
39
40    private static String defaultName;
41
42    protected SSLServerSocketFactory() {
43        super();
44    }
45
46    public static ServerSocketFactory getDefault() {
47        if (defaultServerSocketFactory != null) {
48            return defaultServerSocketFactory;
49        }
50        if (defaultName == null) {
51            AccessController.doPrivileged(new java.security.PrivilegedAction(){
52                public Object run() {
53                    defaultName = Security.getProperty("ssl.ServerSocketFactory.provider");
54                    if (defaultName != null) {
55                        ClassLoader cl = Thread.currentThread().getContextClassLoader();
56                        if (cl == null) {
57                            cl = ClassLoader.getSystemClassLoader();
58                        }
59                        try {
60                            defaultServerSocketFactory = (ServerSocketFactory) Class
61                                    .forName(defaultName, true, cl)
62                                    .newInstance();
63                        } catch (Exception e) {
64                            return e;
65                        }
66                    }
67                    return null;
68                }
69            });
70        }
71        if (defaultServerSocketFactory == null) {
72            // Try to find in providers
73            SSLContext context = DefaultSSLContext.getContext();
74            if (context != null) {
75                defaultServerSocketFactory = context.getServerSocketFactory();
76            }
77        }
78        if (defaultServerSocketFactory == null) {
79            // Use internal dummy implementation
80            defaultServerSocketFactory = new DefaultSSLServerSocketFactory("No ServerSocketFactory installed");
81        }
82        return defaultServerSocketFactory;
83    }
84
85    public abstract String[] getDefaultCipherSuites();
86    public abstract String[] getSupportedCipherSuites();
87
88}
89