diff -r 1612dbcec451 -r 639991d0808a java/cewolf-1.0/src/main/java/de/laures/cewolf/taglib/PlotTypes.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/cewolf-1.0/src/main/java/de/laures/cewolf/taglib/PlotTypes.java	Sat Feb 28 21:31:02 2009 +0100
@@ -0,0 +1,116 @@
+/* ================================================================
+ * Cewolf : Chart enabling Web Objects Framework
+ * ================================================================
+ *
+ * Project Info:  http://cewolf.sourceforge.net
+ * Project Lead:  Guido Laures (guido@laures.de);
+ *
+ * (C) Copyright 2002, by Guido Laures
+ *
+ * This library is free software; you can redistribute it and/or modify it under the terms
+ * of the GNU Lesser General Public License as published by the Free Software Foundation;
+ * either version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with this
+ * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+package de.laures.cewolf.taglib;
+
+import java.util.Arrays;
+import java.util.List;
+
+import org.jfree.chart.renderer.AbstractRenderer;
+import org.jfree.chart.renderer.category.AreaRenderer;
+import org.jfree.chart.renderer.category.BarRenderer;
+import org.jfree.chart.renderer.category.LineAndShapeRenderer;
+import org.jfree.chart.renderer.xy.CandlestickRenderer;
+import org.jfree.chart.renderer.xy.HighLowRenderer;
+import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
+import org.jfree.chart.renderer.xy.XYAreaRenderer;
+import org.jfree.chart.renderer.xy.XYBarRenderer;
+import org.jfree.chart.renderer.xy.XYStepRenderer;
+
+/**
+ * Contains the list of all possible plot type string values which can be used
+ * in the <code>type</code> attribute of a &lt;chart&gt; tag.
+ *
+ * It also contains all the renders that correspond with the plot types
+ * @author  Chris McCann
+ */
+public class PlotTypes {
+
+	/** All type strings in an array */
+	public static final String[] typeNames =
+		{
+			"xyarea",
+			"xyline",
+			"xyshapesandlines",
+			"scatter",
+			"xyverticalbar",
+			"step",
+			"candlestick",
+			"highlow",
+			"signal",
+			"verticalbar",
+			"area",
+			"line",
+			"shapesandlines" };
+
+	/**
+	 * The whole typeNames array inside of a list.
+	 * @see #typeNames
+	 */
+	private static final List typeList = Arrays.asList(typeNames);
+	
+	/**
+	 * Create a renderer for the given type index.
+	 * We create a new renderer instance for each chart, because they may want to customize
+	 * it in a post-processor.
+	 * 
+	 * @param idx The index of the type
+	 * @return A new renderer instance
+	 */
+	public static AbstractRenderer getRenderer(int idx) {
+		switch (idx) {
+			case 0: return new XYAreaRenderer();
+			case 1: return new StandardXYItemRenderer();
+			case 2: return new StandardXYItemRenderer(StandardXYItemRenderer.SHAPES_AND_LINES);
+			case 3: return new StandardXYItemRenderer(StandardXYItemRenderer.SHAPES);
+			case 4: return new XYBarRenderer();
+			case 5: return new XYStepRenderer();
+			case 6: return new CandlestickRenderer();
+			case 7: return new HighLowRenderer();
+			//case 8: return new SignalRenderer();
+			case 9: return new BarRenderer();
+			case 10: return new AreaRenderer();
+			case 11: return new LineAndShapeRenderer(true,false);
+			case 12: return new LineAndShapeRenderer(true,true);
+			default:
+				throw new RuntimeException("Invalid renderer index:" + idx);
+		}		
+	}
+
+	private PlotTypes() {
+	}
+
+    /**
+     * Get the renderer index for the given plot type.
+     * @param plotType The type string of the plot
+     * @return The index The index of renderer
+     * @throws AttributeValidationException if unknown type
+     */
+    public static int getRendererIndex(String plotType) throws AttributeValidationException  {
+        int rendererIndex = PlotTypes.typeList.indexOf(plotType.toLowerCase());
+        if (rendererIndex < 0) {
+          throw new AttributeValidationException("plot.type", plotType);
+        }
+        return rendererIndex;
+    }
+
+}