Java tutorial
/* * CollabNet Subversion Edge * Copyright (C) 2011, CollabNet Inc. All rights reserved. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.collabnet.svnedge.net; import java.io.IOException; import java.net.InetAddress; import java.net.InetSocketAddress; import java.net.Socket; import java.net.UnknownHostException; import javax.net.ssl.SSLContext; import javax.net.ssl.SSLSocketFactory; import javax.net.ssl.TrustManager; import org.apache.commons.httpclient.ConnectTimeoutException; import org.apache.commons.httpclient.params.HttpConnectionParams; import org.apache.commons.httpclient.protocol.SecureProtocolSocketFactory; /** * Provides support for managing SSL connections. * * @author Nathan Hapke * @author Rob Elves * @author Steffen Pingel * @since 2.0 */ // API-3.0 move to internal package and merge with PollingSslProtocolSocketFactory public class SslProtocolSocketFactory implements SecureProtocolSocketFactory { static SslProtocolSocketFactory factory = null; public static SslProtocolSocketFactory getInstance() { if (factory == null) { factory = new SslProtocolSocketFactory(); } return factory; } private SSLSocketFactory socketFactory; private SslProtocolSocketFactory() { try { SSLContext sslContext = SSLContext.getInstance("TLS"); sslContext.init(null, new TrustManager[] { new TrustAllTrustManager() }, null); this.socketFactory = sslContext.getSocketFactory(); } catch (Exception e) { log(0, "Could not initialize SSL context", e); } } private void log(int i, String string, Exception e) { System.out.println(string); System.out.println(e.getMessage()); } /** * @since 2.3 */ public SSLSocketFactory getSocketFactory() throws IOException { if (socketFactory == null) { throw new IOException("Could not initialize SSL context"); } return socketFactory; } public Socket createSocket(String remoteHost, int remotePort) throws IOException, UnknownHostException { return getSocketFactory().createSocket(remoteHost, remotePort); } public Socket createSocket(String remoteHost, int remotePort, InetAddress clientHost, int clientPort) throws IOException, UnknownHostException { return getSocketFactory().createSocket(remoteHost, remotePort, clientHost, clientPort); } public Socket createSocket(String remoteHost, int remotePort, InetAddress clientHost, int clientPort, HttpConnectionParams params) throws IOException, UnknownHostException, ConnectTimeoutException { if (params == null) { throw new IllegalArgumentException("Parameters may not be null"); } int timeout = params.getConnectionTimeout(); if (timeout == 0) { return getSocketFactory().createSocket(remoteHost, remotePort, clientHost, clientPort); } else { Socket socket = getSocketFactory().createSocket(); socket.bind(new InetSocketAddress(clientHost, clientPort)); socket.connect(new InetSocketAddress(remoteHost, remotePort), timeout); return socket; } } public Socket createSocket(Socket socket, String host, int port, boolean autoClose) throws IOException, UnknownHostException { return getSocketFactory().createSocket(socket, host, port, autoClose); } }