| /* ClassPrepareEvent.java -- An event specifying that a class has been |
| prepared by the virtual machine |
| Copyright (C) 2005 Free Software Foundation |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.classpath.jdwp.event; |
| |
| import gnu.classpath.jdwp.JdwpConstants; |
| import gnu.classpath.jdwp.VMIdManager; |
| import gnu.classpath.jdwp.id.ReferenceTypeId; |
| import gnu.classpath.jdwp.id.ThreadId; |
| import gnu.classpath.jdwp.util.JdwpString; |
| import gnu.classpath.jdwp.util.Signature; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| |
| /** |
| * "Notification of a class prepare in the target VM. See the JVM |
| * specification for a definition of class preparation. Class prepare |
| * events are not generated for primtiive classes (for example, |
| * <code>java.lang.Integer.TYPE</code>)." -- JDWP 1.4.2 |
| * |
| * @author Keith Seitz (keiths@redhat.com) |
| */ |
| public class ClassPrepareEvent |
| extends Event |
| { |
| // The thread in which this event occurred |
| private Thread _thread; |
| |
| // The class that was prepared |
| private Class _class; |
| |
| // Prepare flags |
| private int _status; |
| |
| /** |
| * Class has been verified |
| */ |
| public static final int STATUS_VERIFIED |
| = JdwpConstants.ClassStatus.VERIFIED; |
| |
| /** |
| * Class has been prepared |
| */ |
| public static final int STATUS_PREPARED |
| = JdwpConstants.ClassStatus.PREPARED; |
| |
| /** |
| * Class has been initialized |
| */ |
| public static final int STATUS_INITIALIZED |
| = JdwpConstants.ClassStatus.INITIALIZED; |
| |
| /** |
| * Error preparing class |
| */ |
| public static final int STATUS_ERROR |
| = JdwpConstants.ClassStatus.ERROR; |
| |
| /** |
| * Constructs a new <code>ClassPrepareEvent</code> |
| * |
| * @param thread thread in which event occurred |
| * @param clazz class which was prepared |
| * @param flags prepare status flags |
| */ |
| public ClassPrepareEvent (Thread thread, Class clazz, int flags) |
| { |
| super (JdwpConstants.EventKind.CLASS_PREPARE); |
| _thread = thread; |
| _class = clazz; |
| _status = flags; |
| } |
| |
| /** |
| * Returns a specific filtering parameter for this event. |
| * Valid types are thread and class. |
| * |
| * @param type the type of parameter desired |
| * @returns the desired parameter or <code>null</code> |
| */ |
| public Object getParameter (int type) |
| { |
| if (type == EVENT_THREAD) |
| return _thread; |
| else if (type == EVENT_CLASS) |
| return _class; |
| |
| return null; |
| } |
| |
| /** |
| * Writes the event to the given stream |
| * |
| * @param outStream the output stream to write the event to |
| */ |
| protected void _writeData (DataOutputStream outStream) |
| throws IOException |
| { |
| VMIdManager idm = VMIdManager.getDefault(); |
| ThreadId tid = (ThreadId) idm.getObjectId (_thread); |
| ReferenceTypeId rid = idm.getReferenceTypeId (_class); |
| |
| tid.write (outStream); |
| rid.writeTagged (outStream); |
| JdwpString.writeString (outStream, |
| Signature.computeClassSignature (_class)); |
| outStream.writeInt (_status); |
| } |
| } |