CalculatedColumnReport

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CalculatedColumnReport

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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.column;

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

import java.math.BigDecimal;

import net.sf.dynamicreports.examples.Templates;
import net.sf.dynamicreports.report.builder.column.TextColumnBuilder;
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 CalculatedColumnReport {

	public CalculatedColumnReport() {
		build();
	}

	private void build() {
		TextColumnBuilder<Integer>    column1 = col.column("A", "field1", type.integerType());
		TextColumnBuilder<Integer>    column2 = col.column("B", "field2", type.integerType());
		TextColumnBuilder<BigDecimal> column3 = column1.multiply(column2).setTitle("A * B");
		TextColumnBuilder<BigDecimal> column4 = column1.divide(2, column2).setTitle("A / B");
		TextColumnBuilder<BigDecimal> column5 = column1.add(column2).setTitle("A + B");
		TextColumnBuilder<BigDecimal> column6 = column1.subtract(column2).setTitle("A - B");
		TextColumnBuilder<BigDecimal> column7 = column3.add(6).setTitle("A * B + 6");
		TextColumnBuilder<BigDecimal> column8 = column7.divide(2, 5).add(1).setTitle("(A*B+6) / 5 + 1");

		try {
			report()
			  .setTemplate(Templates.reportTemplate)
			  .columns(
			  	column1, column2, column3, column4, column5, column6, column7, column8)
			  .title(Templates.createTitleComponent("CalculatedColumn"))
			  .pageFooter(Templates.footerComponent)
			  .setDataSource(createDataSource())
			  .show();
		} catch (DRException e) {
			e.printStackTrace();
		}
	}

	private JRDataSource createDataSource() {
		DRDataSource dataSource = new DRDataSource("field1", "field2");
		dataSource.add(10, 5);
		return dataSource;
	}

	public static void main(String[] args) {
		new CalculatedColumnReport();
	}
}
 
Tags: column

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