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The source code

/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2000 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.api.debugger.jpda;

import com.sun.jdi.Bootstrap;
import com.sun.jdi.VirtualMachine;
import com.sun.jdi.connect.AttachingConnector;
import com.sun.jdi.connect.Connector.Argument;
import com.sun.jdi.connect.IllegalConnectorArgumentsException;
import java.io.IOException;
import java.util.Iterator;
import java.util.Map;


/**
 * Attaches to some already running JDK and returns VirtualMachine for it.
 *
 * 

* How to use it: *
 *    DebuggerInfo di = DebuggerInfo.create (
 *        "My Attaching First Debugger Info", 
 *        new Object [] {
 *            AttachingDICookie.create (
 *                "localhost",
 *                1234
 *            )
 *        }
 *    );
 *    DebuggerManager.getDebuggerManager ().startDebugging (di);
* * @author Jan Jancura */ public final class AttachingDICookie extends AbstractDICookie { /** * Public ID used for registration in Meta-inf/debugger. */ public static final String ID = "netbeans-jpda-AttachingDICookie"; private AttachingConnector attachingConnector; private Map args; private AttachingDICookie ( AttachingConnector attachingConnector, Map args ) { this.attachingConnector = attachingConnector; this.args = args; } /** * Creates a new instance of AttachingDICookie for given parameters. * * @param attachingConnector a connector to be used * @param args map of arguments * @return a new instance of AttachingDICookie for given parameters */ public static AttachingDICookie create ( AttachingConnector attachingConnector, Map args ) { return new AttachingDICookie ( attachingConnector, args ); } /** * Creates a new instance of AttachingDICookie for given parameters. * * @param hostName a name of computer to attach to * @param portNumber a potr number * @return a new instance of AttachingDICookie for given parameters */ public static AttachingDICookie create ( String hostName, int portNumber ) { return new AttachingDICookie ( findAttachingConnector ("socket"), getArgs ( findAttachingConnector ("socket"), hostName, portNumber ) ); } /** * Creates a new instance of AttachingDICookie for given parameters. * * @param name a name of shared memory block * @return a new instance of AttachingDICookie for given parameters */ public static AttachingDICookie create ( String name ) { return new AttachingDICookie ( findAttachingConnector ("shmem"), getArgs ( findAttachingConnector ("shmem"), name ) ); } /** * Returns instance of AttachingDICookie. * * @return instance of AttachingDICookie */ public AttachingConnector getAttachingConnector () { return attachingConnector; } /** * Returns map of arguments. * * @return map of arguments */ public Map getArgs () { return args; } /** * Returns port number. * * @return port number */ public int getPortNumber () { Argument a = (Argument) args.get ("port"); if (a == null) return -1; String pn = a.value (); if (pn == null) return -1; return Integer.parseInt (pn); } /** * Returns name of computer. * * @return name of computer */ public String getHostName () { Argument a = (Argument) args.get ("hostname"); if (a == null) return null; return a.value (); } /** * Returns shared memory block name. * * @return shared memory block name */ public String getSharedMemoryName () { Argument a = (Argument) args.get ("name"); if (a == null) return null; return a.value (); } /** * Creates a new instance of VirtualMachine for this DebuggerInfo Cookie. * * @return a new instance of VirtualMachine for this DebuggerInfo Cookie */ public VirtualMachine getVirtualMachine () throws IOException, IllegalConnectorArgumentsException { return attachingConnector.attach (args); } // private helper methods .................................................. private static Map getArgs ( AttachingConnector attachingConnector, String hostName, int portNumber ) { Map args = attachingConnector.defaultArguments (); ((Argument) args.get ("hostname")).setValue (hostName); ((Argument) args.get ("port")).setValue ("" + portNumber); return args; } private static Map getArgs ( AttachingConnector attachingConnector, String name ) { Map args = attachingConnector.defaultArguments (); ((Argument) args.get ("name")).setValue (name); return args; } private static AttachingConnector findAttachingConnector (String s) { Iterator iter = Bootstrap.virtualMachineManager (). attachingConnectors ().iterator (); while (iter.hasNext ()) { AttachingConnector ac = (AttachingConnector) iter.next (); if (ac.transport ().name ().toLowerCase ().indexOf (s) > -1) return ac; } return null; } }
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