Package org.jfree.formula

Examples of org.jfree.formula.EvaluationException

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                                final ParameterCallback parameters) throws EvaluationException
  {
    final int parameterCount = parameters.getParameterCount();
    if (parameterCount < 1 || parameterCount > 2)
    {
      throw new EvaluationException(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
    }
    final TypeRegistry typeRegistry = context.getTypeRegistry();

    final Type textType = parameters.getType(0);
    final Object textValue = parameters.getValue(0);

    final String text = typeRegistry.convertToText(textType, textValue);
    final int length;
    if(parameterCount == 2)
    {
      final Type lengthType = parameters.getType(1);
      final Object lengthValue = parameters.getValue(1);
      final Number lengthConv = typeRegistry.convertToNumber(lengthType, lengthValue);
      if(lengthConv.doubleValue() < 0)
      {
        throw new EvaluationException(LibFormulaErrorValue.ERROR_INVALID_ARGUMENT_VALUE);
      }

      length = lengthConv.intValue();
    }
    else
    {
      length = 1;
    }

    if(text == null)
    {
      throw new EvaluationException(LibFormulaErrorValue.ERROR_INVALID_ARGUMENT_VALUE);
    }

    // Note that MID(T;1;Length) produces the same results as LEFT(T;Length).
    final MidFunction function = new MidFunction();
    return new TypeValuePair(TextType.TYPE, function.process(text, new Integer(1), new Integer(length)));
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      ParameterCallback parameters) throws EvaluationException
  {
    final int parameterCount = parameters.getParameterCount();
    if (parameterCount < 1)
    {
      throw new EvaluationException(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
    }

    final Type type1 = parameters.getType(0);
    final Object value = parameters.getValue(0);

    final TypeRegistry typeRegistry = context.getTypeRegistry();
    final Number number = typeRegistry.convertToNumber(type1, value);

    if (number == null)
    {
      throw new EvaluationException(
          LibFormulaErrorValue.ERROR_INVALID_ARGUMENT_VALUE);
    }

    int intValue = number.intValue();
    if (intValue < 0)
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      ParameterCallback parameters) throws EvaluationException
  {
    final int parameterCount = parameters.getParameterCount();
    if (parameterCount < 1)
    {
      throw new EvaluationException(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
    }

    final Type type1 = parameters.getType(0);
    final Object value = parameters.getValue(0);

    final TypeRegistry typeRegistry = context.getTypeRegistry();
    final Number number = typeRegistry.convertToNumber(type1, value);

    if (number == null)
    {
      throw new EvaluationException(
          LibFormulaErrorValue.ERROR_INVALID_ARGUMENT_VALUE);
    }

    int intValue = number.intValue();
    if (intValue < 0)
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      throws EvaluationException
  {
    final int parameterCount = parameters.getParameterCount();
    if (parameterCount < 3 || parameterCount > 4)
    {
      throw new EvaluationException(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
    }
    final TypeRegistry typeRegistry = context.getTypeRegistry();

    final Type newTextType = parameters.getType(2);
    final Object newTextValue = parameters.getValue(2);
    final Type textType = parameters.getType(0);
    final Object textValue = parameters.getValue(0);
    final Type oldTextType = parameters.getType(1);
    final Object oldTextValue = parameters.getValue(1);

    final String newText = typeRegistry.convertToText(newTextType, newTextValue);
    final String text = typeRegistry.convertToText(textType, textValue);
    final String oldText = typeRegistry.convertToText(oldTextType, oldTextValue);

    if (parameterCount == 3)
    {
      int index = text.indexOf(oldText);
      if (index == -1)
      {
        return new TypeValuePair(TextType.TYPE, text);
      }

      String result = text;
      while (index >= 0)
      {
        final StringBuffer buffer = new StringBuffer(result);
        buffer.replace(index, index + oldText.length(), newText);
        result = buffer.toString();
        index = result.indexOf(oldText, index + newText.length());
      }
      return new TypeValuePair(TextType.TYPE, result);
    }

    // Instead of replacing all occurences, the user only requested to replace
    // a specific one.
    final Type whichType = parameters.getType(3);
    final Object whichValue = parameters.getValue(3);
    final Number n = typeRegistry.convertToNumber(whichType, whichValue);
    if (n.doubleValue() < 1)
    {
      throw new EvaluationException(
          LibFormulaErrorValue.ERROR_INVALID_ARGUMENT_VALUE);
    }

    final int nthOccurence = n.intValue();
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  public static BigDecimal getAsBigDecimal(Number number) throws EvaluationException
  {
    if (number == null)
    {
      throw new EvaluationException(
          LibFormulaErrorValue.ERROR_INVALID_ARGUMENT_VALUE);
    }
   
    if(number instanceof BigDecimal)
    {
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      ParameterCallback parameters) throws EvaluationException
  {
    final int parameterCount = parameters.getParameterCount();
    if (parameterCount < 1)
    {
      throw new EvaluationException(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
    }

    // we want error values propagated so we need to evaluate the parameter
    parameters.getValue(0);
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      ParameterCallback parameters) throws EvaluationException
  {
    final int parameterCount = parameters.getParameterCount();
    if (parameterCount < 1)
    {
      throw new EvaluationException(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
    }
    final Type type1 = parameters.getType(0);
    final Object value1 = parameters.getValue(0);
    final Number result = context.getTypeRegistry().convertToNumber(type1,
        value1);
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                                final ParameterCallback parameters) throws EvaluationException
  {
    final int parameterCount = parameters.getParameterCount();
    if (parameterCount != 2)
    {
      throw new EvaluationException(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
    }
    final TypeRegistry typeRegistry = context.getTypeRegistry();

    final Type textType1 = parameters.getType(0);
    final Object textValue1 = parameters.getValue(0);
    final Type countType = parameters.getType(1);
    final Object countValue = parameters.getValue(1);

    final String text1 = typeRegistry.convertToText(textType1, textValue1);
    final int count = typeRegistry.convertToNumber(countType, countValue).intValue();
    if(text1 == null && count >= 0)
    {
      throw new EvaluationException(LibFormulaErrorValue.ERROR_INVALID_ARGUMENT_VALUE);
    }

    final StringBuffer buffer = new StringBuffer();
    for(int i=0; i<count; i++)
    {
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  public TypeValuePair evaluate(FormulaContext context, ParameterCallback parameters) throws EvaluationException
  {
    if(parameters.getParameterCount() != 0)
    {
      throw new EvaluationException(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
    }

    throw new EvaluationException(LibFormulaErrorValue.ERROR_NA_VALUE);
  }
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                                final ParameterCallback parameters) throws EvaluationException
  {
    final int parameterCount = parameters.getParameterCount();
    if (parameterCount != 4)
    {
      throw new EvaluationException(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
    }
    final TypeRegistry typeRegistry = context.getTypeRegistry();

    final Type newTextType = parameters.getType(3);
    final Object newTextValue = parameters.getValue(3);
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  • org.jfree.formula.function.datetime.DateValueFunction
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  • org.jfree.formula.function.datetime.MonthFunction
  • org.jfree.formula.function.datetime.TimeFunction
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