--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/chart/AbstractChart.java	Thu Nov 19 15:24:45 2009 +0000
@@ -0,0 +1,52 @@
+package de.intevation.gnv.chart;
+
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.Date;
+import java.util.Locale;
+import java.awt.Transparency;
+import java.awt.image.BufferedImage;
+
+import org.apache.log4j.Logger;
+
+import org.jfree.chart.JFreeChart;
+import org.jfree.chart.ChartTheme;
+import org.jfree.data.time.TimeSeriesCollection;
+
+/**
+ * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
+ */
+public abstract class AbstractChart
+implements            Chart
+{
+    private static Logger log = Logger.getLogger(AbstractChart.class);
+
+    protected JFreeChart  chart;
+
+    protected Locale      locale;
+
+    protected ChartLabels labels;
+    protected ChartTheme  theme;
+    protected Collection  parameters;
+    protected Collection  measurements;
+    protected Collection  resultSet;
+    protected Collection  dates;
+
+    public abstract JFreeChart generateChart();
+
+    public BufferedImage exportPNG(int width, int height) {
+        log.info("export chart as png");
+
+        return chart.createBufferedImage(
+            width, height, Transparency.BITMASK, null);
+    }
+
+    public void exportSVG() {
+        log.info("export chart as svg (not implemented yet)");
+    }
+
+    public void exportPDF() {
+        log.info("export chart as pdf (not implemented yet)");
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=latin1 :