/* 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, * java.lang.Integer.TYPE)." -- 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 ClassPrepareEvent * * @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 null */ public Object getParameter (Class type) { if (type == ThreadId.class) return _thread; else if (type == ReferenceTypeId.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); } }