DataFilterReport
DataFilterReport
/**
* 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.datasource;
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.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 DataFilterReport {
public DataFilterReport() {
build();
}
private void build() {
try {
report()
.setTemplate(Templates.reportTemplate)
.columns(
col.column("Item", "item", type.stringType()),
col.column("Quantity", "quantity", type.integerType()),
col.column("Unit price", "unitprice", type.bigDecimalType()))
.title(Templates.createTitleComponent("DataFilter"))
.pageFooter(Templates.footerComponent)
.setFilterExpression(new FilterExpression())
.setDataSource(createDataSource())
.show();
} catch (DRException e) {
e.printStackTrace();
}
}
private JRDataSource createDataSource() {
DRDataSource dataSource = new DRDataSource("item", "quantity", "unitprice");
dataSource.add("DVD", 5, new BigDecimal(30));
dataSource.add("DVD", 1, new BigDecimal(28));
dataSource.add("DVD", 5, new BigDecimal(32));
dataSource.add("Book", 3, new BigDecimal(11));
dataSource.add("Book", 1, new BigDecimal(15));
dataSource.add("Book", 5, new BigDecimal(10));
dataSource.add("Book", 8, new BigDecimal(9));
return dataSource;
}
public static void main(String[] args) {
new DataFilterReport();
}
private class FilterExpression extends AbstractSimpleExpression<Boolean> {
private static final long serialVersionUID = 1L;
@Override
public Boolean evaluate(ReportParameters reportParameters) {
return reportParameters.getValue("item").equals("Book");
}
}
}