InheritanceReport

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InheritanceReport

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

import static net.sf.dynamicreports.report.builder.DynamicReports.*;

import java.math.BigDecimal;

import net.sf.dynamicreports.examples.Templates;
import net.sf.dynamicreports.jasper.builder.JasperReportBuilder;
import net.sf.dynamicreports.jasper.builder.export.Exporters;
import net.sf.dynamicreports.report.builder.column.TextColumnBuilder;
import net.sf.dynamicreports.report.constant.PageOrientation;
import net.sf.dynamicreports.report.constant.PageType;
import net.sf.dynamicreports.report.datasource.DRDataSource;
import net.sf.dynamicreports.report.exception.DRException;
import net.sf.jasperreports.engine.JRDataSource;

/**
 * @author Ricardo Mariaca (r.mariaca@dynamicreports.org)
 */
public class InheritanceReport {
	
	public InheritanceReport() {
		build();
	}
	
	private void build() {
		try {
			concatenatedReport()
			  .concatenate(
			  	new ReportA().report,
			  	new ReportB().report)
			  .toPdf(Exporters.pdfExporter("c:/report.pdf"));
		} catch (DRException e) {
			e.printStackTrace();	
		}
	}
	
	private class ReportA {		
		protected JasperReportBuilder report = report();
		
		private ReportA() {
			configure();
		}
		
		protected void configure() {
			report
			  .setTemplate(Templates.reportTemplate)
			  .setPageFormat(PageType.A5)
			  .columns(
			  	col.column("Item",       "item",      type.stringType()),
			  	col.column("Quantity",   "quantity",  type.integerType()))
			  .title(Templates.createTitleComponent(getTitle()))
			  .pageFooter(Templates.footerComponent)
			  .setDataSource(createDataSource());			
		}
		
		protected String getTitle() {
			return "Report A";
		}
	}
	
	private class ReportB extends ReportA {
		
		@Override
		protected void configure() {
			super.configure();
			TextColumnBuilder<BigDecimal> unitPriceColumn = col.column("Unit price", "unitprice", type.bigDecimalType());
			report
			  .setPageFormat(PageType.A5, PageOrientation.LANDSCAPE)
			  .addColumn(unitPriceColumn)
			  .subtotalsAtSummary(sbt.sum(unitPriceColumn));
		}
		
		@Override
		protected String getTitle() {
			return "Report B extends A";
		}
	}
	
	private JRDataSource createDataSource() {
		DRDataSource dataSource = new DRDataSource("item", "quantity", "unitprice");
		for (int i = 0; i < 10; i++) {
			dataSource.add("Book", (int) (Math.random() * 10) + 1, new BigDecimal(Math.random() * 100 + 1));
		}
		return dataSource;
	}
	
	public static void main(String[] args) {
		new InheritanceReport();
	}
}
 
Tags: page format, concatenated report

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