SharedMemoryListeningConnector.java :  » 6.0-JDK-Platform » windows » com » sun » tools » jdi » Java Open Source

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windows » com » sun » tools » jdi » SharedMemoryListeningConnector.java
/*
 * Copyright 1999-2004 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */
package com.sun.tools.jdi;

import com.sun.jdi.connect.*;
import com.sun.jdi.connect.spi.*;
import java.util.Map;
import java.util.HashMap;
import java.io.IOException;

/*
 * A ListeningConnector based on the SharedMemoryTransportService
 */
public class SharedMemoryListeningConnector extends GenericListeningConnector {

    static final String ARG_NAME = "name";

    public SharedMemoryListeningConnector() {
  super(new SharedMemoryTransportService());

  addStringArgument(
            ARG_NAME,
            getString("memory_listening.name.label"),
            getString("memory_listening.name"),
            "",
            false);

        transport = new Transport() {
            public String name() {
                return "dt_shmem";    // compatability
            }
        };
    }

    // override startListening so that "name" argument can be
    // converted into "address" argument

    public String
  startListening(Map<String, ? extends Connector.Argument> args)
  throws IOException, IllegalConnectorArgumentsException
    {
  String name = argument(ARG_NAME, args).value();

  // if the name argument isn't specified then we use the default
  // address for the transport service.
  if (name.length() == 0) {
      assert transportService instanceof SharedMemoryTransportService;
      SharedMemoryTransportService ts = (SharedMemoryTransportService)transportService;
      name = ts.defaultAddress();
  }

  return super.startListening(name, args);
    }

    public String name() {
        return "com.sun.jdi.SharedMemoryListen";
    }

    public String description() {
       return getString("memory_listening.description");
    }
}

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