first commit

hrmsEjb/net/sf/jasperreports/engine/fill/JRByteCountIncrementer.java

@@ -0,0 +1,32 @@
+package net.sf.jasperreports.engine.fill;
+
+class JRByteCountIncrementer extends JRAbstractExtendedIncrementer {
+  private static JRByteCountIncrementer mainInstance = new JRByteCountIncrementer();
+  
+  public static JRByteCountIncrementer getInstance() {
+    return mainInstance;
+  }
+  
+  public Object increment(JRCalculable variable, Object expressionValue, AbstractValueProvider valueProvider) {
+    Number value = (Number)variable.getIncrementedValue();
+    if (value == null || variable.isInitialized())
+      value = JRByteIncrementerFactory.ZERO; 
+    if (expressionValue == null)
+      return value; 
+    return new Byte((byte)(value.byteValue() + 1));
+  }
+  
+  public Object combine(JRCalculable calculable, JRCalculable calculableValue, AbstractValueProvider valueProvider) {
+    Number value = (Number)calculable.getIncrementedValue();
+    Number combineValue = (Number)calculableValue.getValue();
+    if (value == null || calculable.isInitialized())
+      value = JRByteIncrementerFactory.ZERO; 
+    if (combineValue == null)
+      return value; 
+    return new Byte((byte)(value.byteValue() + combineValue.byteValue()));
+  }
+  
+  public Object initialValue() {
+    return JRByteIncrementerFactory.ZERO;
+  }
+}