* gnu/classpath/jdwp/processor/ArrayReferenceCommandSet.java:

	Implemented the ArrayReference CommandSet.

1 files changed, 178 insertions, 0 deletions

diff --git a/gnu/classpath/jdwp/processor/ArrayReferenceCommandSet.java b/gnu/classpath/jdwp/processor/ArrayReferenceCommandSet.java
new file mode 100644
index 000000000..ffe709b83
--- /dev/null
+++ b/gnu/classpath/jdwp/processor/ArrayReferenceCommandSet.java
@@ -0,0 +1,178 @@
+/* ArrayReferenceCommandSet.java -- class to implement the Array
+   Reference Command Set
+   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.processor;
+
+import gnu.classpath.jdwp.Jdwp;
+import gnu.classpath.jdwp.JdwpConstants;
+import gnu.classpath.jdwp.exception.InvalidObjectException;
+import gnu.classpath.jdwp.exception.JdwpException;
+import gnu.classpath.jdwp.exception.JdwpInternalErrorException;
+import gnu.classpath.jdwp.exception.NotImplementedException;
+import gnu.classpath.jdwp.id.IdManager;
+import gnu.classpath.jdwp.id.ObjectId;
+import gnu.classpath.jdwp.util.Value;
+
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.lang.reflect.Array;
+import java.nio.ByteBuffer;
+
+/**
+ * A class representing the ArrayReference Command Set.
+ * 
+ * @author Aaron Luchko <aluchko@redhat.com>
+ */
+public class ArrayReferenceCommandSet implements CommandSet
+{
+  // Manages all the different ids that are assigned by jdwp
+  private final IdManager idMan = Jdwp.getIdManager();
+
+  public boolean runCommand(ByteBuffer bb, DataOutputStream os, byte command)
+    throws JdwpException
+  {
+    try
+      {
+        switch (command)
+          {
+          case JdwpConstants.CommandSet.ArrayReference.LENGTH:
+            executeLength(bb, os);
+            break;
+          case JdwpConstants.CommandSet.ArrayReference.GET_VALUES:
+            executeGetValues(bb, os);
+            break;
+          case JdwpConstants.CommandSet.ArrayReference.SET_VALUES:
+            executeSetValues(bb, os);
+            break;
+          default:
+            throw new NotImplementedException("Command " + command +
+              " not found in Array Reference Command Set.");
+          }
+      }
+    catch (IOException ex)
+      {
+        // The DataOutputStream we're using isn't talking to a socket at all
+        // So if we throw an IOException we're in serious trouble
+        throw new JdwpInternalErrorException(ex);
+      }
+    return true;
+  }
+
+  private void executeLength(ByteBuffer bb, DataOutputStream os)
+    throws InvalidObjectException, IOException
+  {
+    ObjectId oid = idMan.readId(bb);
+    Object array = oid.getObject();
+    os.writeInt(Array.getLength(array));
+  }
+
+  private void executeGetValues(ByteBuffer bb, DataOutputStream os)
+    throws JdwpException, IOException
+  {
+    ObjectId oid = idMan.readId(bb);
+    Object array = oid.getObject();
+    int first = bb.getInt();
+    int length = bb.getInt();
+
+    // We need to write out the byte signifying the type of array first
+    Class clazz = array.getClass().getComponentType();
+
+    // Uugh, this is a little ugly but it's the only time we deal with
+    // arrayregions
+    if (clazz == byte.class)
+      os.writeByte(JdwpConstants.Tag.BYTE);
+    else if (clazz == char.class)
+      os.writeByte(JdwpConstants.Tag.CHAR);
+    else if (clazz == float.class)
+      os.writeByte(JdwpConstants.Tag.FLOAT);
+    else if (clazz == double.class)
+      os.writeByte(JdwpConstants.Tag.DOUBLE);
+    else if (clazz == int.class)
+      os.writeByte(JdwpConstants.Tag.BYTE);
+    else if (clazz == long.class)
+      os.writeByte(JdwpConstants.Tag.LONG);
+    else if (clazz == short.class)
+      os.writeByte(JdwpConstants.Tag.SHORT);
+    else if (clazz == void.class)
+      os.writeByte(JdwpConstants.Tag.VOID);
+    else if (clazz == boolean.class)
+      os.writeByte(JdwpConstants.Tag.BOOLEAN);
+    else if (clazz.isArray())
+      os.writeByte(JdwpConstants.Tag.ARRAY);
+    else if (String.class.isAssignableFrom(clazz))
+      os.writeByte(JdwpConstants.Tag.STRING);
+    else if (Thread.class.isAssignableFrom(clazz))
+      os.writeByte(JdwpConstants.Tag.THREAD);
+    else if (ThreadGroup.class.isAssignableFrom(clazz))
+      os.writeByte(JdwpConstants.Tag.THREAD_GROUP);
+    else if (ClassLoader.class.isAssignableFrom(clazz))
+      os.writeByte(JdwpConstants.Tag.CLASS_LOADER);
+    else if (Class.class.isAssignableFrom(clazz))
+      os.writeByte(JdwpConstants.Tag.CLASS_OBJECT);
+    else
+      os.writeByte(JdwpConstants.Tag.OBJECT);
+
+    // Write all the values, primitives should be untagged and Objects must be
+    // tagged
+    for (int i = first; i < first + length; i++)
+      {
+        Object value = Array.get(array, i);
+        if (clazz.isPrimitive())
+          Value.writeUntaggedValue(os, value);
+        else
+          Value.writeTaggedValue(os, value);
+      }
+  }
+
+  private void executeSetValues(ByteBuffer bb, DataOutputStream os)
+    throws IOException, JdwpException
+  {
+    ObjectId oid = idMan.readId(bb);
+    Object array = oid.getObject();
+    int first = bb.getInt();
+    int length = bb.getInt();
+    Class type = array.getClass().getComponentType();
+    for (int i = first; i < first + length; i++)
+      {
+        Object value = Value.getUntaggedObj(bb, type);
+        Array.set(array, i, value);
+      }
+  }
+}