/*

 * Copyright (c) 1998, 2013, Oracle and/or its affiliates. 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.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package com.sun.tools.jdi;

import com.sun.jdi.VirtualMachine;

import com.sun.jdi.connect.*;

import com.sun.jdi.connect.spi.*;

import java.util.Map;

import java.util.HashMap;

import java.io.IOException;

import java.net.InetAddress;

import java.net.UnknownHostException;

/*

 * An AttachingConnector that uses the SocketTransportService

 */

public class SocketAttachingConnector extends GenericAttachingConnector {

    static final String ARG_PORT = "port";

    static final String ARG_HOST = "hostname";

    public SocketAttachingConnector() {

        super(new SocketTransportService());

        String defaultHostName;

        try {

            defaultHostName = InetAddress.getLocalHost().getHostName();

        } catch (UnknownHostException e) {

            defaultHostName = "";

        }

        addStringArgument(

            ARG_HOST,

            getString("socket_attaching.host.label"),

            getString("socket_attaching.host"),

            defaultHostName,

            false);

        addIntegerArgument(

            ARG_PORT,

            getString("socket_attaching.port.label"),

            getString("socket_attaching.port"),

            "",

            true,

            0, Integer.MAX_VALUE);

        transport = new Transport() {

            public String name() {

                return "dt_socket";     // for compatibility reasons

            }

        };

    }

    /*

     * Create an "address" from the hostname and port connector

     * arguments and attach to the target VM.

     */

    public VirtualMachine

        attach(Map<String,? extends Connector.Argument> arguments)

        throws IOException, IllegalConnectorArgumentsException

    {

        String host = argument(ARG_HOST, arguments).value();

        if (host.length() > 0) {

            host = host + ":";

        }

        String address = host + argument(ARG_PORT, arguments).value();

        return super.attach(address, arguments);

    }

    public String name() {

       return "com.sun.jdi.SocketAttach";

    }

    public String description() {

       return getString("socket_attaching.description");

    }

}