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hrmsEjb/net/sf/jasperreports/crosstabs/fill/JRCrosstabExpressionEvaluator.java

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+package net.sf.jasperreports.crosstabs.fill;
+
+import java.util.Map;
+import net.sf.jasperreports.engine.JRException;
+import net.sf.jasperreports.engine.JRExpression;
+import net.sf.jasperreports.engine.fill.JREvaluator;
+import net.sf.jasperreports.engine.fill.JRFillExpressionEvaluator;
+
+public class JRCrosstabExpressionEvaluator implements JRFillExpressionEvaluator {
+  private final JREvaluator evaluator;
+  
+  public JRCrosstabExpressionEvaluator(JREvaluator evaluator) {
+    this.evaluator = evaluator;
+  }
+  
+  public Object evaluate(JRExpression expression, byte evaluationType) throws JRException {
+    if (evaluationType != 3)
+      throw new JRException("The crosstab evaluator doesn't support old or estimated expression evaluation."); 
+    return this.evaluator.evaluate(expression);
+  }
+  
+  public void init(Map parametersMap, Map variablesMap, byte whenResourceMissingType) throws JRException {
+    this.evaluator.init(parametersMap, null, variablesMap, whenResourceMissingType);
+  }
+}