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diff --git a/libjava/gnu/classpath/jdwp/processor/CommandSet.java b/libjava/gnu/classpath/jdwp/processor/CommandSet.java
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+/* CommandSet.java -- An interface defining JDWP Command Sets
+   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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.processor;
+
+import gnu.classpath.jdwp.exception.JdwpException;
+
+import java.io.DataOutputStream;
+import java.nio.ByteBuffer;
+
+/**
+ * A class representing a JDWP Command Set. This class serves as a generic
+ * interface for all Command Sets types used by JDWP.
+ *
+ * @author Aaron Luchko <aluchko@redhat.com>
+ */
+public interface CommandSet
+{
+  /**
+   * Runs the given command with the data in distr and writes the data for the
+   * reply packet to ostr.
+   * 
+   * @param bb holds the data portion of the Command Packet
+   * @param os data portion of the Reply Packet will be written here
+   * @param command the command field of the Command Packet
+   * @return true if the JDWP layer should shut down in response to this packet
+   * @throws JdwpException command wasn't carried out successfully
+   */
+  public boolean runCommand(ByteBuffer bb, DataOutputStream os,
+                            byte command) 
+    throws JdwpException;
+}