1 files changed, 66 insertions, 0 deletions
diff --git a/java/perftests/visualisation-jfc/src/main/java/org/apache/qpid/disttest/charting/chartbuilder/ColorFactory.java b/java/perftests/visualisation-jfc/src/main/java/org/apache/qpid/disttest/charting/chartbuilder/ColorFactory.java
new file mode 100644
index 0000000000..49d777c506
--- /dev/null
+++ b/java/perftests/visualisation-jfc/src/main/java/org/apache/qpid/disttest/charting/chartbuilder/ColorFactory.java
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.qpid.disttest.charting.chartbuilder;
+
+import java.awt.Color;
+
+public class ColorFactory
+{
+    /**
+     * Converts a colour name known to the JDK into a {@link Color} instance.  Additionally,
+     * if the work dark_ is prepended to the colour, a darker shade of the same colour is
+     * produced.
+     *
+     * @param colourName
+     * @return colour instance
+     */
+    public static Color toColour(String colourName)
+    {
+        boolean darkVersion = false;
+        if (colourName.toLowerCase().startsWith("dark_"))
+        {
+            colourName = colourName.replaceFirst("(?i)dark_", "");
+            darkVersion = true;
+        }
+
+        Color colour = getColourFromStaticField(colourName);
+        if (darkVersion)
+        {
+            return colour.darker();
+        }
+        else
+        {
+            return colour;
+        }
+    }
+
+    private static Color getColourFromStaticField(String colourName)
+    {
+        try
+        {
+            return (Color) Color.class.getField(colourName.toLowerCase()).get(null);
+        }
+        catch (Exception e)
+        {
+            throw new RuntimeException("Could not find colour for " + colourName, e);
+        }
+    }
+
+}