--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/tools/IdealGraphVisualizer/Coordinator/src/com/sun/hotspot/igv/coordinator/actions/DiffGraphCookie.java	Tue Jun 24 16:00:14 2008 -0700
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2008 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 com.sun.hotspot.igv.coordinator.actions;
+
+import com.sun.hotspot.igv.data.InputGraph;
+import com.sun.hotspot.igv.data.services.GraphViewer;
+import com.sun.hotspot.igv.difference.Difference;
+import org.openide.nodes.Node;
+import org.openide.util.Lookup;
+
+/**
+ *
+ * @author Thomas Wuerthinger
+ */
+public class DiffGraphCookie implements Node.Cookie {
+
+    private InputGraph a;
+    private InputGraph b;
+
+    public DiffGraphCookie(InputGraph a, InputGraph b) {
+        this.a = a;
+        this.b = b;
+    }
+
+    public void openDiff() {
+
+        final GraphViewer viewer = Lookup.getDefault().lookup(GraphViewer.class);
+
+        if(viewer != null) {
+            InputGraph diffGraph = Difference.createDiffGraph(a, b);
+            viewer.view(diffGraph);
+        }
+    }
+}