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hrmsEjb/net/sf/jasperreports/charts/util/XYChartHyperlinkProvider.java

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+package net.sf.jasperreports.charts.util;
+
+import java.util.Map;
+import net.sf.jasperreports.engine.JRPrintHyperlink;
+import net.sf.jasperreports.engine.util.Pair;
+import org.jfree.chart.entity.ChartEntity;
+import org.jfree.chart.entity.XYItemEntity;
+import org.jfree.data.xy.XYDataset;
+
+public class XYChartHyperlinkProvider implements ChartHyperlinkProvider {
+  private static final long serialVersionUID = 10200L;
+  
+  private Map itemHyperlinks;
+  
+  public XYChartHyperlinkProvider(Map itemHyperlinks) {
+    this.itemHyperlinks = itemHyperlinks;
+  }
+  
+  public JRPrintHyperlink getEntityHyperlink(ChartEntity entity) {
+    JRPrintHyperlink printHyperlink = null;
+    if (hasHyperlinks() && entity instanceof XYItemEntity) {
+      XYItemEntity itemEntity = (XYItemEntity)entity;
+      XYDataset dataset = itemEntity.getDataset();
+      Comparable serie = dataset.getSeriesKey(itemEntity.getSeriesIndex());
+      Map serieHyperlinks = (Map)this.itemHyperlinks.get(serie);
+      if (serieHyperlinks != null) {
+        Number x = dataset.getX(itemEntity.getSeriesIndex(), itemEntity.getItem());
+        Number y = dataset.getY(itemEntity.getSeriesIndex(), itemEntity.getItem());
+        Object xyKey = new Pair(x, y);
+        printHyperlink = (JRPrintHyperlink)serieHyperlinks.get(xyKey);
+      } 
+    } 
+    return printHyperlink;
+  }
+  
+  public boolean hasHyperlinks() {
+    return (this.itemHyperlinks != null && this.itemHyperlinks.size() > 0);
+  }
+}