net.sf.jasperreports.components.sort.FieldNumberComparator Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2014 TIBCO Software Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see .
*/
package net.sf.jasperreports.components.sort;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.text.ParseException;
import java.util.Locale;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.engine.util.FormatUtils;
/**
* @author Narcis Marcu ([email protected])
*/
public class FieldNumberComparator extends AbstractFieldComparator {
public FieldNumberComparator(String filterPattern, Locale locale) {
if (locale == null) {
formatter = NumberFormat.getNumberInstance();
} else {
formatter = NumberFormat.getNumberInstance(locale);
}
if (filterPattern != null && filterPattern.trim().length() > 0) {
if (formatter instanceof DecimalFormat) {
((DecimalFormat) formatter).applyPattern(filterPattern);
}
}
}
@Override
public void initValues() throws Exception {
if (valueStart != null && valueStart.length() > 0) {
compareStart = FormatUtils.getFormattedNumber((NumberFormat)formatter, valueStart, compareToClass);
}
if (valueEnd != null && valueEnd.length() > 0) {
compareEnd = FormatUtils.getFormattedNumber((NumberFormat)formatter, valueEnd, compareToClass);
}
}
@Override
public boolean compare(String filterTypeOperator) {
boolean defaultResult = true,
result = defaultResult,
resultPart1 = true,
resultPart2 = true;
try {
initValues();
} catch (Exception e) {
throw new JRRuntimeException(e);
}
Number formattedCompareTo = compareTo;
if (compareTo != null) {
try {
formattedCompareTo = FormatUtils.getFormattedNumber((NumberFormat)formatter, formatter.format(compareTo), compareToClass);
} catch (ParseException e) {
throw new JRRuntimeException(e);
}
}
FilterTypeNumericOperatorsEnum numericEnum = FilterTypeNumericOperatorsEnum.getByEnumConstantName(filterTypeOperator);
BigDecimal dbA = formattedCompareTo != null ? new BigDecimal(formattedCompareTo.toString()) : null;
BigDecimal dbStart = compareStart != null ? new BigDecimal(compareStart.toString()) : null;
BigDecimal dbEnd = compareEnd != null ? new BigDecimal(compareEnd.toString()) : null;
boolean validComparison = dbStart != null && dbA != null;
boolean validComparison2 = dbEnd != null && dbA != null;
switch (numericEnum) {
case DOES_NOT_EQUAL:
result = validComparison ? dbA.compareTo(dbStart) != 0 : defaultResult;
break;
case EQUALS:
result = validComparison ? dbA.compareTo(dbStart) == 0 : false;
break;
case GREATER_THAN:
result = validComparison ? dbA.compareTo(dbStart) > 0 : false;
break;
case GREATER_THAN_EQUAL_TO:
result = validComparison ? dbA.compareTo(dbStart) >= 0 : false;
break;
case IS_BETWEEN:
resultPart1 = validComparison ? dbA.compareTo(dbStart) >= 0 : false;
resultPart2 = validComparison2 ? dbA.compareTo(dbEnd) <= 0 : false;
result = resultPart1 && resultPart2;
break;
case IS_NOT_BETWEEN:
resultPart1 = validComparison ? dbA.compareTo(dbStart) >= 0 : false;
resultPart2 = validComparison2 ? dbA.compareTo(dbEnd) <= 0 : false;
result = !(resultPart1 && resultPart2);
break;
case LESS_THAN:
result = validComparison ? dbA.compareTo(dbStart) < 0 : false;
break;
case LESS_THAN_EQUAL_TO:
result = validComparison ? dbA.compareTo(dbStart) <= 0 : false;
break;
}
return result;
}
}