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 }