Java tutorial
/** * DynamicReports - Free Java reporting library for creating reports dynamically * * Copyright (C) 2010 - 2014 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.jasper.builder; import java.awt.Color; import java.awt.Graphics2D; import java.awt.Image; import java.awt.geom.Rectangle2D; import java.awt.image.BufferedImage; import java.awt.image.RenderedImage; import java.io.IOException; import java.io.OutputStream; import java.io.Serializable; import javax.imageio.ImageIO; import net.sf.dynamicreports.jasper.base.export.AbstractJasperExporter; import net.sf.dynamicreports.jasper.base.reporthandler.JasperReportBuilderHandler; import net.sf.dynamicreports.jasper.builder.export.AbstractJasperExporterBuilder; import net.sf.dynamicreports.jasper.builder.export.Exporters; import net.sf.dynamicreports.jasper.builder.export.JasperCsvExporterBuilder; import net.sf.dynamicreports.jasper.builder.export.JasperDocxExporterBuilder; import net.sf.dynamicreports.jasper.builder.export.JasperExcelApiXlsExporterBuilder; import net.sf.dynamicreports.jasper.builder.export.JasperHtmlExporterBuilder; import net.sf.dynamicreports.jasper.builder.export.JasperOdsExporterBuilder; import net.sf.dynamicreports.jasper.builder.export.JasperOdtExporterBuilder; import net.sf.dynamicreports.jasper.builder.export.JasperPdfExporterBuilder; import net.sf.dynamicreports.jasper.builder.export.JasperPptxExporterBuilder; import net.sf.dynamicreports.jasper.builder.export.JasperRtfExporterBuilder; import net.sf.dynamicreports.jasper.builder.export.JasperTextExporterBuilder; import net.sf.dynamicreports.jasper.builder.export.JasperXhtmlExporterBuilder; import net.sf.dynamicreports.jasper.builder.export.JasperXlsExporterBuilder; import net.sf.dynamicreports.jasper.builder.export.JasperXlsxExporterBuilder; import net.sf.dynamicreports.jasper.builder.export.JasperXmlExporterBuilder; import net.sf.dynamicreports.jasper.definition.JasperReportHandler; import net.sf.dynamicreports.jasper.transformation.ExporterTransform; import net.sf.dynamicreports.report.constant.Constants; import net.sf.dynamicreports.report.exception.DRException; import net.sf.jasperreports.engine.JRException; import net.sf.jasperreports.engine.JRExporter; import net.sf.jasperreports.engine.JRExporterParameter; import net.sf.jasperreports.engine.JasperPrint; import net.sf.jasperreports.engine.export.JRGraphics2DExporter; import net.sf.jasperreports.engine.export.JRGraphics2DExporterParameter; import org.apache.commons.lang3.Validate; /** * This report builder allows concatenating several separated reports into one single document. * Each report starts on a new page with its own page dimension. * * @author Ricardo Mariaca (r.mariaca@dynamicreports.org) */ public class JasperConcatenatedReportBuilder implements Serializable { private static final long serialVersionUID = Constants.SERIAL_VERSION_UID; private JasperReportHandler jasperReportHandler; public JasperConcatenatedReportBuilder() { this(new JasperReportBuilderHandler()); } public JasperConcatenatedReportBuilder(JasperReportHandler jasperReportHandler) { this.jasperReportHandler = jasperReportHandler; } public JasperConcatenatedReportBuilder concatenate(JasperReportBuilder... jasperReportBuilders) { Validate.notNull(jasperReportBuilders, "jasperReportBuilders must not be null"); Validate.noNullElements(jasperReportBuilders, "jasperReportBuilders must not contains null jasperReportBuilder"); jasperReportHandler.concatenate(jasperReportBuilders); return this; } public JasperConcatenatedReportBuilder toPng(OutputStream outputStream) throws DRException { return toPng(outputStream, 1); } public JasperConcatenatedReportBuilder toPng(OutputStream outputStream, float zoom) throws DRException { Validate.notNull(outputStream, "outputStream must not be null"); Validate.isTrue(zoom > 0, "zoom must be > 0"); int maxWidth = 0; int maxHeight = 0; for (JasperPrint jasperPrint : jasperReportHandler.getPrintList()) { int pages = jasperPrint.getPages().size(); int pageWidth = (int) (jasperPrint.getPageWidth() * zoom); maxWidth += pageWidth * pages + (pages - 1) + 2; int height = (int) (jasperPrint.getPageHeight() * zoom) + 2; if (height > maxHeight) { maxHeight = height; } } Image pageImage = new BufferedImage(maxWidth, maxHeight, BufferedImage.TYPE_INT_RGB); Graphics2D g2d = (Graphics2D) pageImage.getGraphics(); g2d.setColor(Color.LIGHT_GRAY); g2d.fill(new Rectangle2D.Float(1, 1, maxWidth - 1, maxHeight - 1)); int offset = 1; for (JasperPrint jasperPrint : jasperReportHandler.getPrintList()) { int pageWidth = (int) (jasperPrint.getPageWidth() * zoom); for (int i = 0; i < jasperPrint.getPages().size(); i++) { try { JRGraphics2DExporter exporter = new JRGraphics2DExporter(); exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint); exporter.setParameter(JRGraphics2DExporterParameter.GRAPHICS_2D, pageImage.getGraphics()); exporter.setParameter(JRGraphics2DExporterParameter.OFFSET_X, offset); exporter.setParameter(JRGraphics2DExporterParameter.OFFSET_Y, 1); exporter.setParameter(JRExporterParameter.PAGE_INDEX, new Integer(i)); exporter.setParameter(JRGraphics2DExporterParameter.ZOOM_RATIO, new Float(zoom)); exporter.exportReport(); offset += pageWidth + 1; } catch (JRException e) { throw new DRException(e); } } } try { ImageIO.write((RenderedImage) pageImage, "png", outputStream); } catch (IOException e) { throw new DRException(e); } return this; } public JasperConcatenatedReportBuilder continuousPageNumbering() { return setContinuousPageNumbering(true); } public JasperConcatenatedReportBuilder setContinuousPageNumbering(boolean continuousPageNumbering) { jasperReportHandler.setContinuousPageNumbering(continuousPageNumbering); return this; } //csv public JasperConcatenatedReportBuilder toCsv(OutputStream outputStream) throws DRException { return toCsv(Exporters.csvExporter(outputStream)); } public JasperConcatenatedReportBuilder toCsv(JasperCsvExporterBuilder csvExporterBuilder) throws DRException { return export(csvExporterBuilder); } //docx public JasperConcatenatedReportBuilder toDocx(OutputStream outputStream) throws DRException { return toDocx(Exporters.docxExporter(outputStream)); } public JasperConcatenatedReportBuilder toDocx(JasperDocxExporterBuilder docxExporterBuilder) throws DRException { return export(docxExporterBuilder); } //html public JasperConcatenatedReportBuilder toHtml(OutputStream outputStream) throws DRException { return toHtml(Exporters.htmlExporter(outputStream)); } public JasperConcatenatedReportBuilder toHtml(JasperHtmlExporterBuilder htmlExporterBuilder) throws DRException { return export(htmlExporterBuilder); } //ods public JasperConcatenatedReportBuilder toOds(OutputStream outputStream) throws DRException { return toOds(Exporters.odsExporter(outputStream)); } public JasperConcatenatedReportBuilder toOds(JasperOdsExporterBuilder odsExporterBuilder) throws DRException { return export(odsExporterBuilder); } //odt public JasperConcatenatedReportBuilder toOdt(OutputStream outputStream) throws DRException { return toOdt(Exporters.odtExporter(outputStream)); } public JasperConcatenatedReportBuilder toOdt(JasperOdtExporterBuilder odtExporterBuilder) throws DRException { return export(odtExporterBuilder); } //pdf public JasperConcatenatedReportBuilder toPdf(OutputStream outputStream) throws DRException { return toPdf(Exporters.pdfExporter(outputStream)); } public JasperConcatenatedReportBuilder toPdf(JasperPdfExporterBuilder pdfExporterBuilder) throws DRException { return export(pdfExporterBuilder); } //rtf public JasperConcatenatedReportBuilder toRtf(OutputStream outputStream) throws DRException { return toRtf(Exporters.rtfExporter(outputStream)); } public JasperConcatenatedReportBuilder toRtf(JasperRtfExporterBuilder rtfExporterBuilder) throws DRException { return export(rtfExporterBuilder); } //text public JasperConcatenatedReportBuilder toText(OutputStream outputStream) throws DRException { return toText(Exporters.textExporter(outputStream)); } public JasperConcatenatedReportBuilder toText(JasperTextExporterBuilder textExporterBuilder) throws DRException { return export(textExporterBuilder); } //xhtml public JasperConcatenatedReportBuilder toXhtml(OutputStream outputStream) throws DRException { return toXhtml(Exporters.xhtmlExporter(outputStream)); } public JasperConcatenatedReportBuilder toXhtml(JasperXhtmlExporterBuilder xhtmlExporterBuilder) throws DRException { return export(xhtmlExporterBuilder); } //excelApiXls public JasperConcatenatedReportBuilder toExcelApiXls(OutputStream outputStream) throws DRException { return toExcelApiXls(Exporters.excelApiXlsExporter(outputStream)); } public JasperConcatenatedReportBuilder toExcelApiXls( JasperExcelApiXlsExporterBuilder excelApiXlsExporterBuilder) throws DRException { return export(excelApiXlsExporterBuilder); } //xls public JasperConcatenatedReportBuilder toXls(OutputStream outputStream) throws DRException { return toXls(Exporters.xlsExporter(outputStream)); } public JasperConcatenatedReportBuilder toXls(JasperXlsExporterBuilder xlsExporterBuilder) throws DRException { return export(xlsExporterBuilder); } //xlsx public JasperConcatenatedReportBuilder toXlsx(OutputStream outputStream) throws DRException { return toXlsx(Exporters.xlsxExporter(outputStream)); } public JasperConcatenatedReportBuilder toXlsx(JasperXlsxExporterBuilder xlsxExporterBuilder) throws DRException { return export(xlsxExporterBuilder); } //xml public JasperConcatenatedReportBuilder toXml(OutputStream outputStream) throws DRException { return toXml(Exporters.xmlExporter(outputStream)); } public JasperConcatenatedReportBuilder toXml(JasperXmlExporterBuilder xmlExporterBuilder) throws DRException { return export(xmlExporterBuilder); } //pptx public JasperConcatenatedReportBuilder toPptx(OutputStream outputStream) throws DRException { return toPptx(Exporters.pptxExporter(outputStream)); } public JasperConcatenatedReportBuilder toPptx(JasperPptxExporterBuilder pptxExporterBuilder) throws DRException { return export(pptxExporterBuilder); } public JasperConcatenatedReportBuilder export( AbstractJasperExporterBuilder<?, ? extends AbstractJasperExporter> exporterBuilder) throws DRException { Validate.notNull(exporterBuilder, "exporterBuilder must not be null"); try { ExporterTransform exporterTransform = new ExporterTransform(exporterBuilder.build()); JRExporter exporter = exporterTransform.transform(); exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperReportHandler.getPrintList()); exporter.exportReport(); } catch (JRException e) { throw new DRException(e); } return this; } }