* gnu/classpath/jdwp/transport/JdwpPacket.java: New file.

        * gnu/classpath/jdwp/transport/JdwpCommandPacket.java: New file.
        * gnu/classpath/jdwp/transport/JdwpReplyPacket.java: New file.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100463 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 127 insertions, 0 deletions

diff --git a/libjava/gnu/classpath/jdwp/transport/JdwpReplyPacket.java b/libjava/gnu/classpath/jdwp/transport/JdwpReplyPacket.java
new file mode 100644
index 00000000000..1aa2dd344cb
--- /dev/null
+++ b/libjava/gnu/classpath/jdwp/transport/JdwpReplyPacket.java
@@ -0,0 +1,127 @@
+/* JdwpReplyPacket.java -- JDWP reply packet
+   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.transport;
+
+/**
+ * A class represents a JDWP reply packet.
+ * This class adds an error code to the packet header information
+ * in {@link gnu.classpath.transport.JdwpPacket} and adds additional
+ * reply packet-specific processing.
+ *
+ * @author Keith Seitz  <keiths@redhat.com>
+ */
+public class JdwpReplyPacket extends JdwpPacket
+{
+  /**
+   * Error code
+   */
+  protected short _errorCode;
+
+  // Minimum packet size [excluding super class] ( errorCode (2) )
+  private static final int MINIMUM_LENGTH = 2;
+
+  /**
+   * Constructs a <code>JdwpReplyPacket</code>.
+   */
+  public JdwpReplyPacket ()
+  {
+    // Don't assign a packet id. This is called by JdwpPacket.fromBytes
+    // which assigns a packet id. (Not that a VM would do that...)
+  }
+
+  /**
+   * Constructs a <code>JdwpReplyPacket</code> with the
+   * id from the given packet and error code
+   *
+   * @param pkt        the packet whose id this packet will use
+   * @param errorCode  the error code
+   */
+  public JdwpReplyPacket (JdwpPacket pkt, short errorCode)
+  {
+    super (pkt);
+    _flags = (byte) JDWP_FLAG_REPLY;
+    _errorCode = errorCode;
+  }
+
+  /**
+   * Returns the length of this packet
+   */
+  public int getLength ()
+  {
+    return MINIMUM_LENGTH + super.getLength ();
+  }
+
+  /**
+   * Returns the error code
+   */
+  public short getErrorCode ()
+  {
+    return _errorCode;
+  }
+
+  /**
+   * Sets the error code
+   */
+  public void setErrorCode (short ec)
+  {
+    _errorCode = ec;
+  }
+
+  // Reads command packet data from the given buffer, starting
+  // at the given offset
+  protected int myFromBytes (byte[] bytes, int index)
+  {
+    int i = 0;
+    setErrorCode ((short) ((bytes[index + i++] & 0xff) << 8
+			   | (bytes[index + i++] & 0xff)));
+    return i;
+  }
+
+  // Writes the command packet data into the given buffer
+  protected int myToBytes (byte[] bytes, int index)
+  {
+    // Need to add error code
+    int i = 0;
+    bytes[index + i++] = (byte) (getErrorCode () >>> 8);
+    bytes[index + i++] = (byte) getErrorCode ();
+    
+    return i;
+  }
+}