CustomGroupReport
CustomGroupReport
/**
* DynamicReports - Free Java reporting library for creating reports dynamically
*
* Copyright (C) 2010 - 2018 Ricardo Mariaca
* https://dynamicreports.lbayer.com
*
* This file is part of DynamicReports.
*
* DynamicReports 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.
*
* DynamicReports 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 DynamicReports. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.dynamicreports.examples.group;
import static net.sf.dynamicreports.report.builder.DynamicReports.*;
import java.math.BigDecimal;
import net.sf.dynamicreports.examples.Templates;
import net.sf.dynamicreports.report.base.expression.AbstractSimpleExpression;
import net.sf.dynamicreports.report.builder.group.CustomGroupBuilder;
import net.sf.dynamicreports.report.datasource.DRDataSource;
import net.sf.dynamicreports.report.definition.ReportParameters;
import net.sf.dynamicreports.report.exception.DRException;
import net.sf.jasperreports.engine.JRDataSource;
/**
* @author Ricardo Mariaca (r.mariaca@dynamicreports.org)
*/
public class CustomGroupReport {
public CustomGroupReport() {
build();
}
private void build() {
CustomGroupBuilder yearGroup = grp.group(new YearExpression());
try {
report()
.setTemplate(Templates.reportTemplate)
.columns(
col.column("Order date", "orderdate", type.stringType()),
col.column("Item", "item", type.stringType()),
col.column("Quantity", "quantity", type.integerType()),
col.column("Unit price", "unitprice", type.bigDecimalType()))
.groupBy(yearGroup)
.title(Templates.createTitleComponent("CustomGroup"))
.pageFooter(Templates.footerComponent)
.setDataSource(createDataSource())
.show();
} catch (DRException e) {
e.printStackTrace();
}
}
private class YearExpression extends AbstractSimpleExpression<String> {
private static final long serialVersionUID = 1L;
@Override
public String evaluate(ReportParameters reportParameters) {
String orderDate = reportParameters.getValue("orderdate");
return orderDate.split("-")[0];
}
}
private JRDataSource createDataSource() {
DRDataSource dataSource = new DRDataSource("orderdate", "item", "quantity", "unitprice");
dataSource.add("2009-11-01", "Tablet", 5, new BigDecimal(250));
dataSource.add("2009-11-01", "Laptop", 3, new BigDecimal(480));
dataSource.add("2009-12-01", "Smartphone", 1, new BigDecimal(280));
dataSource.add("2009-12-01", "Tablet", 1, new BigDecimal(190));
dataSource.add("2010-01-01", "Tablet", 4, new BigDecimal(230));
dataSource.add("2010-01-01", "Laptop", 2, new BigDecimal(650));
dataSource.add("2010-02-01", "Laptop", 3, new BigDecimal(550));
dataSource.add("2010-02-01", "Smartphone", 5, new BigDecimal(210));
return dataSource;
}
public static void main(String[] args) {
new CustomGroupReport();
}
}