Java tutorial
/* * $Id$ * -------------------------------------------------------------------------------------- * Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com * * The software in this package is published under the terms of the CPAL v1.0 * license, a copy of which has been included with this distribution in the * LICENSE.txt file. */ package org.mule.transport.tcp; import org.mule.transport.tcp.i18n.TcpMessages; import org.mule.util.StringUtils; import java.io.IOException; import java.net.InetAddress; import java.net.InetSocketAddress; import java.net.ServerSocket; import java.net.URI; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; public class TcpServerSocketFactory implements SimpleServerSocketFactory { protected final Log logger = LogFactory.getLog(getClass()); public ServerSocket createServerSocket(URI uri, int backlog, Boolean reuse) throws IOException { String host = StringUtils.defaultIfEmpty(uri.getHost(), "localhost"); InetAddress inetAddress = InetAddress.getByName(host); if ((inetAddress.equals(InetAddress.getLocalHost()) || host.trim().equals("localhost")) && TcpPropertyHelper.isBindingLocalhostToAllLocalInterfaces()) { logger.warn(TcpMessages.localhostBoundToAllLocalInterfaces()); return createServerSocket(uri.getPort(), backlog, reuse); } else { return createServerSocket(inetAddress, uri.getPort(), backlog, reuse); } } public ServerSocket createServerSocket(InetAddress address, int port, int backlog, Boolean reuse) throws IOException { return configure(new ServerSocket(), reuse, new InetSocketAddress(address, port), backlog); } public ServerSocket createServerSocket(int port, int backlog, Boolean reuse) throws IOException { return configure(new ServerSocket(), reuse, new InetSocketAddress(port), backlog); } protected ServerSocket configure(ServerSocket socket, Boolean reuse, InetSocketAddress address, int backlog) throws IOException { if (null != reuse && reuse.booleanValue() != socket.getReuseAddress()) { socket.setReuseAddress(reuse.booleanValue()); } // bind *after* setting so_reuseaddress socket.bind(address, backlog); return socket; } }