diff agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaInstance.java @ 0:a61af66fc99e jdk7-b24

Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaInstance.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2003-2007 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 sun.jvm.hotspot.oops.*;
+
+/** This is JavaScript wrapper for Java Instance in debuggee.*/
+
+public class JSJavaInstance extends JSJavaObject {
+   public JSJavaInstance(Instance instance, JSJavaFactory fac) {
+      super(instance, fac);
+      this.type = (JSJavaInstanceKlass) fac.newJSJavaKlass(instance.getKlass());
+   }
+
+   public final Instance getInstance() {
+       return (Instance) getOop();
+   }
+
+   public final JSJavaClass getJSJavaClass() {
+       return type.getJSJavaClass();
+   }
+
+   public Object get(String name) {
+      if (hasField(name)) {
+          return getFieldValue(name);
+      } else {
+          return super.get(name);
+      }
+   }
+
+   public Object[] getIds() {
+      String[] fieldNames = getFieldNames();
+      Object[] superFields = super.getIds();
+      Object[] res = new Object[fieldNames.length + superFields.length];
+      System.arraycopy(fieldNames, 0, res, 0, fieldNames.length);
+      System.arraycopy(superFields, 0, res, fieldNames.length, superFields.length);
+      return res;
+   }
+
+   public boolean has(String name) {
+      if (hasField(name)) {
+         return true;
+      } else {
+         return super.has(name);
+      }
+   }
+
+   public void put(String name, Object value) {
+      if (! hasField(name)) {
+         super.put(name, value);
+      }
+   }
+
+   protected Object getFieldValue(String name) {
+      try {
+         return type.getInstanceFieldValue(name, getInstance());
+      } catch (NoSuchFieldException exp) {
+         return UNDEFINED;
+      }
+   }
+
+   protected String[] getFieldNames() {
+      return type.getInstanceFieldNames();
+   }
+
+   protected boolean hasField(String name) {
+      return type.hasInstanceField(name);
+   }
+
+   protected final JSJavaInstanceKlass type;
+}