--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ gnu/classpath/jdwp/util/Location.java	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,116 @@
+/* Location.java -- class to read/write JDWP locations
+   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
+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.util;
+
+import gnu.classpath.jdwp.Jdwp;
+import gnu.classpath.jdwp.exception.JdwpException;
+import gnu.classpath.jdwp.id.ClassReferenceTypeId;
+import gnu.classpath.jdwp.id.ObjectId;
+
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.lang.reflect.Method;
+import java.nio.ByteBuffer;
+
+/**
+ * A class to read/write JDWP locations.
+ * 
+ * @author Aaron Luchko <address@hidden>
+ */
+public class Location
+{
+
+  private ClassReferenceTypeId crti;
+
+  private int index;
+
+  private byte tag;
+
+  private ObjectId mid;
+
+  /**
+   * Create a location with the given parameters.
+   * 
+   * @param tag the type of construct the location is in
+   * @param clazz the class the location is in
+   * @param meth the Method
+   * @param index location in the method
+   * @throws JdwpException
+   */
+  public Location(byte tag, Class clazz, Method meth, int index)
+      throws JdwpException
+  {
+    this.tag = tag;
+    this.crti = 
+      (ClassReferenceTypeId) Jdwp.getIdManager().getReferenceTypeId(clazz);
+    this.mid = Jdwp.getIdManager().getId(meth);
+    this.index = index;
+  }
+
+  /**
+   * Read a location from the given bytebuffer, consists of a TAG (byte),
+   * followed by a ReferenceTypeId, a MethodId and an index (int).
+   * 
+   * @param bb this holds the location
+   * @throws IOException
+   * @throws JdwpException
+   */
+  public Location(ByteBuffer bb) throws IOException, JdwpException
+  {
+    this.tag = bb.get();
+    this.crti = 
+      (ClassReferenceTypeId) Jdwp.getIdManager().readReferenceTypeId(bb);
+    this.mid = Jdwp.getIdManager().readId(bb);
+    this.index = bb.getInt();
+  }
+
+  /**
+   * Write the given location to an output stream.
+   * 
+   * @param os stream to write to
+   * @throws IOException
+   */
+  public void write(DataOutputStream os) throws IOException
+  {
+    os.writeByte(tag);
+    crti.write(os);
+    mid.write(os);
+    os.writeInt(index);
+  }
+}