| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package javax.net.ssl; |
| |
| import java.security.NoSuchAlgorithmException; |
| import java.security.Security; |
| import javax.net.ServerSocketFactory; |
| |
| /** |
| * The factory for SSL server sockets. |
| */ |
| public abstract class SSLServerSocketFactory extends ServerSocketFactory { |
| // TODO EXPORT CONTROL |
| |
| // The default SSL socket factory |
| private static ServerSocketFactory defaultServerSocketFactory; |
| |
| private static String defaultName; |
| |
| /** |
| * Returns the default {@code SSLServerSocketFactory} instance. The default |
| * implementation is defined by the security property |
| * "ssl.ServerSocketFactory.provider". |
| * |
| * @return the default {@code SSLServerSocketFactory} instance. |
| */ |
| public static synchronized ServerSocketFactory getDefault() { |
| if (defaultServerSocketFactory != null) { |
| return defaultServerSocketFactory; |
| } |
| if (defaultName == null) { |
| defaultName = Security.getProperty("ssl.ServerSocketFactory.provider"); |
| if (defaultName != null) { |
| ClassLoader cl = Thread.currentThread().getContextClassLoader(); |
| if (cl == null) { |
| cl = ClassLoader.getSystemClassLoader(); |
| } |
| try { |
| final Class<?> ssfc = Class.forName(defaultName, true, cl); |
| defaultServerSocketFactory = (ServerSocketFactory) ssfc.newInstance(); |
| } catch (Exception e) { |
| } |
| } |
| } |
| if (defaultServerSocketFactory == null) { |
| SSLContext context; |
| try { |
| context = SSLContext.getDefault(); |
| } catch (NoSuchAlgorithmException e) { |
| context = null; |
| } |
| if (context != null) { |
| defaultServerSocketFactory = context.getServerSocketFactory(); |
| } |
| } |
| if (defaultServerSocketFactory == null) { |
| // Use internal dummy implementation |
| defaultServerSocketFactory = new DefaultSSLServerSocketFactory( |
| "No ServerSocketFactory installed"); |
| } |
| return defaultServerSocketFactory; |
| } |
| |
| /** |
| * Creates a new {@code SSLServerSocketFactory} instance. |
| */ |
| protected SSLServerSocketFactory() { |
| } |
| |
| /** |
| * Returns the names of the cipher suites that are enabled by default. |
| * |
| * @return the names of the cipher suites that are enabled by default |
| */ |
| public abstract String[] getDefaultCipherSuites(); |
| |
| /** |
| * Returns the list of supported cipher suites that could be enabled for an |
| * SSL connection created by this factory. |
| * |
| * @return the list of supported cipher suites |
| */ |
| public abstract String[] getSupportedCipherSuites(); |
| } |