| /* |
| * 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.io.IOException; |
| import java.net.Socket; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.Security; |
| import javax.net.SocketFactory; |
| |
| /** |
| * The abstract factory implementation to create {@code SSLSocket}s. |
| */ |
| public abstract class SSLSocketFactory extends SocketFactory { |
| // FIXME EXPORT CONTROL |
| |
| // The default SSL socket factory |
| private static SocketFactory defaultSocketFactory; |
| |
| private static String defaultName; |
| |
| /** |
| * Returns the default {@code SSLSocketFactory} instance. The default is |
| * defined by the security property {@code 'ssl.SocketFactory.provider'}. |
| * |
| * @return the default ssl socket factory instance. |
| */ |
| public static synchronized SocketFactory getDefault() { |
| if (defaultSocketFactory != null) { |
| return defaultSocketFactory; |
| } |
| if (defaultName == null) { |
| defaultName = Security.getProperty("ssl.SocketFactory.provider"); |
| if (defaultName != null) { |
| ClassLoader cl = Thread.currentThread().getContextClassLoader(); |
| if (cl == null) { |
| cl = ClassLoader.getSystemClassLoader(); |
| } |
| try { |
| final Class<?> sfc = Class.forName(defaultName, true, cl); |
| defaultSocketFactory = (SocketFactory) sfc.newInstance(); |
| } catch (Exception e) { |
| System.logE("Problem creating " + defaultName, e); |
| } |
| } |
| } |
| |
| if (defaultSocketFactory == null) { |
| SSLContext context; |
| try { |
| context = SSLContext.getDefault(); |
| } catch (NoSuchAlgorithmException e) { |
| context = null; |
| } |
| if (context != null) { |
| defaultSocketFactory = context.getSocketFactory(); |
| } |
| } |
| if (defaultSocketFactory == null) { |
| // Use internal implementation |
| defaultSocketFactory = new DefaultSSLSocketFactory("No SSLSocketFactory installed"); |
| } |
| return defaultSocketFactory; |
| } |
| |
| /** |
| * Creates a new {@code SSLSocketFactory}. |
| */ |
| public SSLSocketFactory() { |
| } |
| |
| /** |
| * 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 names of the cipher suites that are supported and could be |
| * enabled for an SSL connection. |
| * |
| * @return the names of the cipher suites that are supported. |
| */ |
| public abstract String[] getSupportedCipherSuites(); |
| |
| /** |
| * Creates an {@code SSLSocket} over the specified socket that is connected |
| * to the specified host at the specified port. |
| * |
| * @param s |
| * the socket. |
| * @param host |
| * the host. |
| * @param port |
| * the port number. |
| * @param autoClose |
| * {@code true} if socket {@code s} should be closed when the |
| * created socket is closed, {@code false} if the socket |
| * {@code s} should be left open. |
| * @return the creates ssl socket. |
| * @throws IOException |
| * if creating the socket fails. |
| * @throws java.net.UnknownHostException |
| * if the host is unknown. |
| */ |
| public abstract Socket createSocket(Socket s, String host, int port, boolean autoClose) |
| throws IOException; |
| } |