1 /* MethodExitEvent.java -- an event specifying that a method has returned
2 Copyright (C) 2006 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
39 package gnu.classpath.jdwp.event;
41 import gnu.classpath.jdwp.JdwpConstants;
42 import gnu.classpath.jdwp.VMIdManager;
43 import gnu.classpath.jdwp.id.ThreadId;
44 import gnu.classpath.jdwp.util.Location;
46 import java.io.DataOutputStream;
47 import java.io.IOException;
50 * Notification from the VM that that a method has returned
52 * @author Kyle Galloway (kgallowa@redhat.com)
54 public class MethodExitEvent
57 // The thread where the event occurred
58 private Thread _thread;
60 // the location where the event occurred
61 private Location _location;
64 private Object _instance;
67 * Constructs a new <code>MethodExitEvent</code>
69 * @param thread the thread where the exception occurred
70 * @param location the location single stepped to
71 * @param instance the instance from which the method was called
73 public MethodExitEvent(Thread thread, Location location, Object instance)
75 super(JdwpConstants.EventKind.METHOD_EXIT);
82 * Returns a specific filtering parameter for this event. Valid types are
85 * @param type the type of parameter desired
86 * @returns the desired parameter or null
88 public Object getParameter(int type)
90 if (type == EVENT_THREAD)
92 else if (type == EVENT_LOCATION)
94 else if (type == EVENT_CLASS)
95 return _instance.getClass();
101 * Writes the event to the given stream
103 * @param outStream the output stream to write the event to
104 * @throws IOException
106 protected void _writeData(DataOutputStream outStream)
109 VMIdManager idm = VMIdManager.getDefault();
110 ThreadId tid = (ThreadId) idm.getObjectId(_thread);
112 tid.write(outStream);
113 _location.write(outStream);