1 /*
   2  * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package com.sun.tools.jdi;
  26 
  27 import com.sun.jdi.connect.*;
  28 import com.sun.jdi.connect.spi.*;
  29 import java.util.Map;
  30 import java.util.HashMap;
  31 import java.io.IOException;
  32 
  33 /*
  34  * An ListeningConnector that uses the SocketTransportService
  35  */
  36 public class SocketListeningConnector extends GenericListeningConnector {
  37 
  38     static final String ARG_PORT = "port";
  39     static final String ARG_LOCALADDR = "localAddress";
  40 
  41     public SocketListeningConnector() {
  42         super(new SocketTransportService());
  43 
  44         addIntegerArgument(
  45             ARG_PORT,
  46             getString("socket_listening.port.label"),
  47             getString("socket_listening.port"),
  48             "",
  49             false,
  50             0, Integer.MAX_VALUE);
  51 
  52         addStringArgument(
  53             ARG_LOCALADDR,
  54             getString("socket_listening.localaddr.label"),
  55             getString("socket_listening.localaddr"),
  56             "",                                         // default is wildcard
  57             false);
  58 
  59         transport = new Transport() {
  60             public String name() {
  61                 return "dt_socket";     // for compatibility reasons
  62             }
  63         };
  64     }
  65 
  66 
  67     public String
  68         startListening(Map<String,? extends Connector.Argument> args)
  69         throws IOException, IllegalConnectorArgumentsException
  70     {
  71         String port = argument(ARG_PORT, args).value();
  72         String localaddr = argument(ARG_LOCALADDR, args).value();
  73 
  74         // default to system chosen port
  75         if (port.length() == 0) {
  76             port = "0";
  77         }
  78 
  79         if (localaddr.length() > 0) {
  80            localaddr = localaddr + ":" + port;
  81         } else {
  82            localaddr = port;
  83         }
  84 
  85         return super.startListening(localaddr, args);
  86     }
  87 
  88     public String name() {
  89         return "com.sun.jdi.SocketListen";
  90     }
  91 
  92     public String description() {
  93         return getString("socket_listening.description");
  94     }
  95 }