1 /*** 2 * 3 * Copyright 2004 Protique Ltd 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * 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 package org.codehaus.activemq.transport.tcp; 19 20 import org.codehaus.activemq.message.WireFormat; 21 import org.codehaus.activemq.transport.TransportServerChannel; 22 import org.codehaus.activemq.transport.TransportServerChannelFactory; 23 24 import javax.jms.JMSException; 25 import javax.net.ServerSocketFactory; 26 import java.io.IOException; 27 import java.net.InetAddress; 28 import java.net.ServerSocket; 29 import java.net.URI; 30 31 /*** 32 * An implementation of TransportServerChannelFactory which uses a ServerSocketFactory 33 * to create ServerSocket instances 34 * 35 * @version $Revision: 1.4 $ 36 */ 37 public class SfTransportServerChannelFactory implements TransportServerChannelFactory { 38 39 protected static final int BACKLOG = 500; 40 41 private ServerSocketFactory serverSocketFactory; 42 43 public SfTransportServerChannelFactory(ServerSocketFactory socketFactory) { 44 this.serverSocketFactory = socketFactory; 45 } 46 47 /*** 48 * Bind a ServerChannel to an address 49 * 50 * @param wireFormat 51 * @param bindAddress 52 * @return the TransportChannel bound to the remote node 53 * @throws JMSException 54 */ 55 public TransportServerChannel create(WireFormat wireFormat, URI bindAddress) throws JMSException { 56 ServerSocket serverSocket = null; 57 try { 58 serverSocket = createServerSocket(bindAddress); 59 } 60 catch (IOException e) { 61 JMSException jmsEx = new JMSException("Creation of ServerSocket failed: " + e); 62 jmsEx.setLinkedException(e); 63 throw jmsEx; 64 } 65 return new TcpTransportServerChannel(wireFormat, serverSocket); 66 } 67 68 protected ServerSocket createServerSocket(URI bind) throws IOException { 69 String host = bind.getHost(); 70 host = (host == null || host.length() == 0) ? "localhost" : host; 71 72 InetAddress addr = InetAddress.getByName(host); 73 if (addr.equals(InetAddress.getLocalHost())) { 74 return serverSocketFactory.createServerSocket(bind.getPort(), BACKLOG); 75 } 76 else { 77 return serverSocketFactory.createServerSocket(bind.getPort(), BACKLOG, addr); 78 } 79 } 80 81 }