public TypeValuePair evaluate(final FormulaContext context, final ParameterCallback parameters)
throws EvaluationException {
final int parameterCount = parameters.getParameterCount();
if (parameterCount < 1) {
throw EvaluationException.getInstance(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 EvaluationException.getInstance(LibFormulaErrorValue.ERROR_INVALID_ARGUMENT_VALUE);
}
int intValue = number.intValue();
if (intValue < 0) {
intValue *= -1;
}
if (intValue % 2 == 1) {
return RETURN_TRUE;
}
return RETURN_FALSE;
}
public TypeValuePair evaluate(final FormulaContext context, final ParameterCallback parameters)
throws EvaluationException {
final int parameterCount = parameters.getParameterCount();
if (parameterCount < 1) {
throw EvaluationException.getInstance(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
}
final TypeRegistry typeRegistry = context.getTypeRegistry();
final double value =
typeRegistry.convertToNumber(parameters.getType(0), parameters.getValue(0)).doubleValue();
if (value == 0) {
return new TypeValuePair(TextType.TYPE, "0 ");
}
boolean fixedSize = false;
int precision = 0;
if (parameters.getParameterCount() > 1) {
fixedSize = true;
precision =
typeRegistry.convertToNumber(parameters.getType(1), parameters.getValue(1)).intValue();
if (parameters.getParameterCount() == 3) {
final Boolean rawFixedSize =
typeRegistry.convertToLogical(parameters.getType(2), parameters.getValue(2));
fixedSize = rawFixedSize.booleanValue();
}
}
final int log10 = computeLog10(value);
// index will allow us to find the the index of the suffix to use
final int index = (int) (Math.floor(log10 / 3.0) + OFFSET);
if (index < 0 || index >= SUFFIXES.length) {
throw EvaluationException.getInstance(LibFormulaErrorValue.ERROR_UNEXPECTED_VALUE);
}
// Find the adequate precision. % operator behaves badly in negative results, so we need to make
// it work as expected
final int roundPrecision =
fixedSize ? (log10 - precision) : (log10 - (precision + (3 + log10 % 3) % 3));
// Round the value
final double roundingScale = Math.pow(10, roundPrecision);
final double rounded = Math.round(value / roundingScale) * roundingScale;
// Get it's eng format. Get it as string without trailing 0's
final double outputValue = rounded / Math.pow(10, Math.floor(log10 / 3.0) * 3);
final int outputValueDecimalPlaces = Math.max(1, computeLog10(outputValue));
final Locale locale = context.getLocalizationContext().getLocale();
final NumberFormat decimalFormat =
createDecimalFormat(fixedSize, outputValueDecimalPlaces, precision, locale);
final String result = decimalFormat.format(outputValue) + SUFFIXES[index];
return new TypeValuePair(TextType.TYPE, result);
}
public TypeValuePair evaluate(final FormulaContext context, final ParameterCallback parameters)
throws EvaluationException {
final int parameterCount = parameters.getParameterCount();
if (parameterCount < 1) {
throw EvaluationException.getInstance(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
}
final Type type1 = parameters.getType(0);
final Object value1 = parameters.getValue(0);
final String result = context.getTypeRegistry().convertToText(type1, value1);
if (result == null) {
throw EvaluationException.getInstance(LibFormulaErrorValue.ERROR_INVALID_ARGUMENT_VALUE);
}
// remove all unnecessary spaces ..
// we dont use regexps, because they are JDK 1.4, but this library is aimed
// for JDK 1.2.2
final char[] chars = result.toCharArray();
final StringBuffer b = new StringBuffer(chars.length);
boolean removeNextWs = true;
for (int i = 0; i < chars.length; i++) {
final char c = chars[i];
if (Character.isWhitespace(c)) {
if (removeNextWs) {
continue;
}
b.append(c);
removeNextWs = true;
continue;
}
b.append(c);
removeNextWs = false;
}
// now check whether the last char is a whitespace and remove that one
// if neccessary
final String trimmedResult;
if (removeNextWs && b.length() > 0) {
trimmedResult = b.substring(0, b.length() - 1);
} else {
trimmedResult = b.toString();
}
return new TypeValuePair(TextType.TYPE, trimmedResult);
}
public TypeValuePair evaluate(final FormulaContext context, final ParameterCallback parameters)
throws EvaluationException {
final int parameterCount = parameters.getParameterCount();
if (parameterCount < 1) {
throw EvaluationException.getInstance(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
}
try {
Object value = parameters.getValue(0);
if (value == null) return RETURN_TRUE;
else return RETURN_FALSE;
} catch (EvaluationException e) {
throw e;
}
}
public TypeValuePair evaluate(final FormulaContext context, final ParameterCallback parameters)
throws EvaluationException {
if (parameters.getParameterCount() != 0) {
throw EvaluationException.getInstance(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
}
throw EvaluationException.getInstance(LibFormulaErrorValue.ERROR_NA_VALUE);
}
public TypeValuePair evaluate(final FormulaContext context, final ParameterCallback parameters)
throws EvaluationException {
if (parameters.getParameterCount() != 3) {
throw EvaluationException.getInstance(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
}
// 0: Configuration-indicator (gives the pattern indirectly) never the pattern itself
// 1: the report-path
// 2: the parameter as 2d-array (name value pairs)
final TypeRegistry typeRegistry = context.getTypeRegistry();
final String configIndicator =
typeRegistry.convertToText(parameters.getType(0), parameters.getValue(0));
String path;
try {
path = typeRegistry.convertToText(parameters.getType(1), parameters.getValue(1));
} catch (EvaluationException ee) {
if (LibFormulaErrorValue.ERROR_NA_VALUE.equals(ee.getErrorValue())) {
path = null;
} else {
throw ee;
}
}
final ArrayCallback parameter =
typeRegistry.convertToArray(parameters.getType(2), parameters.getValue(2));
final LinkCustomizer pattern = createLinkCustomizer(configIndicator);
return new TypeValuePair(
TextType.TYPE,
pattern.format(
context, configIndicator, path, computeParameterEntries(parameter, typeRegistry)));
}
public TypeValuePair evaluate(final FormulaContext context, final ParameterCallback parameters)
throws EvaluationException {
if (context instanceof ReportFormulaContext == false) {
throw EvaluationException.getInstance(LibFormulaErrorValue.ERROR_INVALID_FUNCTION_VALUE);
}
final ReportFormulaContext rfc = (ReportFormulaContext) context;
final int parameterCount = parameters.getParameterCount();
if (parameterCount < 1) {
throw EvaluationException.getInstance(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
}
final Type textType = parameters.getType(0);
final Object textValue = parameters.getValue(0);
final String query = context.getTypeRegistry().convertToText(textType, textValue);
if (query == null) {
throw EvaluationException.getInstance(LibFormulaErrorValue.ERROR_INVALID_ARGUMENT_VALUE);
}
final String resultColumn;
if (parameterCount > 1) {
final Type encodingType = parameters.getType(1);
final Object encodingValue = parameters.getValue(1);
resultColumn = context.getTypeRegistry().convertToText(encodingType, encodingValue);
if (resultColumn == null) {
throw EvaluationException.getInstance(LibFormulaErrorValue.ERROR_INVALID_ARGUMENT_VALUE);
}
} else {
resultColumn = null;
}
final int queryTimeOut;
if (parameterCount > 2) {
final Type encodingType = parameters.getType(2);
final Object encodingValue = parameters.getValue(2);
final Number number = context.getTypeRegistry().convertToNumber(encodingType, encodingValue);
if (number == null) {
throw EvaluationException.getInstance(LibFormulaErrorValue.ERROR_INVALID_ARGUMENT_VALUE);
}
queryTimeOut = number.intValue();
} else {
queryTimeOut = 0;
}
final int queryLimit;
if (parameterCount > 3) {
final Type encodingType = parameters.getType(3);
final Object encodingValue = parameters.getValue(3);
final Number number = context.getTypeRegistry().convertToNumber(encodingType, encodingValue);
if (number == null) {
throw EvaluationException.getInstance(LibFormulaErrorValue.ERROR_INVALID_ARGUMENT_VALUE);
}
queryLimit = number.intValue();
} else {
queryLimit = 0;
}
final Object result = performQuery(rfc, query, resultColumn, queryTimeOut, queryLimit);
return new TypeValuePair(AnyType.ANY_ARRAY, result);
}