--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/visualizer/Filter/src/com/sun/hotspot/igv/filter/EdgeColorIndexFilter.java	Tue Feb 07 22:41:09 2012 +0100
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+package com.sun.hotspot.igv.filter;
+
+import com.sun.hotspot.igv.graph.*;
+import java.awt.Color;
+import java.util.List;
+
+public class EdgeColorIndexFilter extends AbstractFilter {
+
+    public static final String INPUTS = "INPUTS";
+    public static final String OUTPUTS = "OUTPUTS";
+    private final String applyTo;
+    private final Color[] colors;
+
+    public EdgeColorIndexFilter(String applyTo, Color... color) {
+        if (!applyTo.equals(INPUTS) && !applyTo.equals(OUTPUTS)) {
+            throw new IllegalArgumentException("applyTo");
+        }
+
+        this.applyTo = applyTo;
+        this.colors = color;
+    }
+
+    @Override
+    public String getName() {
+        return "Edge Color Index Filter";
+    }
+
+    @Override
+    public void apply(Diagram d) {
+        List<Figure> figures = d.getFigures();
+        for (Figure f : figures) {
+            Slot[] slots;
+            if (applyTo.equals(INPUTS)) {
+                List<InputSlot> inputSlots = f.getInputSlots();
+                slots = inputSlots.toArray(new Slot[inputSlots.size()]);
+            } else {
+                List<OutputSlot> outputSlots = f.getOutputSlots();
+                slots = outputSlots.toArray(new Slot[outputSlots.size()]);
+            }
+            int index = 0;
+            for (Slot slot : slots) {
+                if (index < colors.length && colors[index] != null) {
+                    slot.setColor(colors[index]);
+                    for (Connection c : slot.getConnections()) {
+
+                        c.setColor(colors[index]);
+                    }
+                }
+                index++;
+            }
+
+        }
+    }
+}