--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaKlass.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2004-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package sun.jvm.hotspot.utilities.soql;
+
+import java.util.*;
+import sun.jvm.hotspot.oops.*;
+import sun.jvm.hotspot.utilities.*;
+
+/**
+   This is JavaScript wrapper for Klass.
+*/
+public abstract class JSJavaKlass {
+    private static final int FIELD_SUPER_CLASS    = 0;
+    private static final int FIELD_NAME           = 1;
+    private static final int FIELD_IS_ARRAY_CLASS = 2;
+    private static final int FIELD_UNDEFINED      = -1;
+
+    public JSJavaKlass(Klass klass, JSJavaFactory factory) {
+        this.factory = factory;
+        this.klass = klass;
+    }
+
+    public final Klass getKlass() {
+        return klass;
+    }
+
+    public JSJavaClass getJSJavaClass() {
+        return (JSJavaClass) factory.newJSJavaObject(getKlass().getJavaMirror());
+    }
+
+    public Object getMetaClassFieldValue(String name) {
+        int fieldID = getFieldID(name);
+        switch (fieldID) {
+        case FIELD_SUPER_CLASS: {
+            JSJavaKlass jk = factory.newJSJavaKlass(getKlass().getSuper());
+            return (jk != null) ? jk.getJSJavaClass() : null;
+        }
+        case FIELD_NAME:
+            return getName();
+        case FIELD_IS_ARRAY_CLASS:
+            return Boolean.valueOf(isArray());
+        case FIELD_UNDEFINED:
+        default:
+            return ScriptObject.UNDEFINED;
+        }
+    }
+
+    public boolean hasMetaClassField(String name) {
+        return getFieldID(name) != FIELD_UNDEFINED;
+    }
+
+
+    public String[] getMetaClassFieldNames() {
+        String[] res = { "name", "superClass", "isArrayClass" };
+        return res;
+    }
+
+    public abstract String getName();
+    public abstract boolean isArray();
+
+    //-- Internals only below this point
+    private static Map fields = new HashMap();
+    private static void addField(String name, int fieldId) {
+        fields.put(name, new Integer(fieldId));
+    }
+
+    private static int getFieldID(String name) {
+        Integer res = (Integer) fields.get(name);
+        return (res != null)? res.intValue() : FIELD_UNDEFINED;
+    }
+
+    static {
+        addField("base", FIELD_SUPER_CLASS);
+        addField("baseClass", FIELD_SUPER_CLASS);
+        addField("superClass", FIELD_SUPER_CLASS);
+        addField("name", FIELD_NAME);
+        addField("isArrayClass", FIELD_IS_ARRAY_CLASS);
+    }
+
+    protected final JSJavaFactory factory;
+    private final Klass klass;
+}