diff agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaArray.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/JSJavaArray.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,105 @@
+/*
+ * 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 Array.
+*/
+
+public abstract class JSJavaArray extends JSJavaObject {
+   public JSJavaArray(Array array, JSJavaFactory fac) {
+      super(array, fac);
+      type = (JSJavaArrayKlass) fac.newJSJavaKlass(array.getKlass());
+   }
+
+   public final Array getArray() {
+       return (Array) getOop();
+   }
+
+   public final JSJavaClass getJSJavaClass() {
+       return type.getJSJavaClass();
+   }
+
+   public Object get(String name) {
+      if (name.equals("length")) {
+         return new Integer((int)getArray().getLength());
+      } else {
+         return super.get(name);
+      }
+   }
+
+   public Object get(int index) {
+      return (isInRange(index)) ? type.getFieldValue(index, getArray())
+          : super.get(index);
+   }
+
+   public Object[] getIds() {
+      Object[] superFields = super.getIds();
+      final int len = (int) getArray().getLength();
+      Object[] res = new Object[superFields.length + len];
+      for (int i = 0; i < len; i++) {
+          res[i] = new Integer(i);
+      }
+      System.arraycopy(superFields, 0, res, len, superFields.length);
+      return  res;
+   }
+
+   public boolean has(String name) {
+      if (name.equals("length")) {
+         return true;
+      } else {
+         return super.has(name);
+      }
+   }
+
+   public boolean has(int index) {
+      if (isInRange(index)) {
+         return true;
+      } else {
+         return super.has(index);
+      }
+   }
+
+   public void put(String name, Object value) {
+      if (! name.equals("length")) {
+         super.put(name, value);
+      }
+   }
+
+   public void put(int index, Object value) {
+      if (! isInRange(index)) {
+         super.put(index, value);
+      }
+   }
+
+   //-- Internals only below this point
+   private boolean isInRange(int index) {
+      return index >= 0 && index < getArray().getLength();
+   }
+
+   private JSJavaArrayKlass type;
+}