CustomGroupReport

ColumnGroupReport

Examples overview

DateGroupReport

CustomGroupReport

/**
 * DynamicReports - Free Java reporting library for creating reports dynamically
 *
 * Copyright (C) 2010 - 2015 Ricardo Mariaca
 * http://dynamicreports.org
 *
 * 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();
        }
}