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/*
 * JasperReports - Free Java Reporting Library.
 * Copyright (C) 2001 - 2023 Cloud Software Group, Inc. All rights reserved.
 * http://www.jaspersoft.com
 *
 * Unless you have purchased a commercial license agreement from Jaspersoft,
 * the following license terms apply:
 *
 * This program is part of JasperReports.
 *
 * JasperReports 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.
 *
 * JasperReports 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 JasperReports. If not, see .
 */
package net.sf.jasperreports.engine;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;

import net.sf.jasperreports.engine.export.HtmlExporter;
import net.sf.jasperreports.engine.export.JRPdfExporter;
import net.sf.jasperreports.engine.export.JRXmlExporter;
import net.sf.jasperreports.engine.util.JRLoader;
import net.sf.jasperreports.export.SimpleExporterInput;
import net.sf.jasperreports.export.SimpleHtmlExporterOutput;
import net.sf.jasperreports.export.SimpleOutputStreamExporterOutput;
import net.sf.jasperreports.export.SimpleXmlExporterOutput;


/**
 * Facade class for exporting generated reports into more popular
 * formats such as PDF, HTML and XML.
 * 

* This class contains convenience methods for exporting to only these 3 formats. * These methods can process data that comes from different * sources and goes to different destinations (files, input and output streams, etc.). *

* For exporting to XLS and CSV format or for using special exporter parameters, * the specific exporter class should be used directly. * * @see net.sf.jasperreports.engine.JasperPrint * @see net.sf.jasperreports.engine.export.HtmlExporter * @see net.sf.jasperreports.engine.export.JRPdfExporter * @see net.sf.jasperreports.engine.export.JRXmlExporter * @see net.sf.jasperreports.engine.export.JRXlsExporter * @see net.sf.jasperreports.engine.export.JRCsvExporter * @author Teodor Danciu ([email protected]) */ public final class JasperExportManager { private JasperReportsContext jasperReportsContext; /** * */ private JasperExportManager(JasperReportsContext jasperReportsContext) { this.jasperReportsContext = jasperReportsContext; } /** * */ private static JasperExportManager getDefaultInstance() { return new JasperExportManager(DefaultJasperReportsContext.getInstance()); } /** * */ public static JasperExportManager getInstance(JasperReportsContext jasperReportsContext) { return new JasperExportManager(jasperReportsContext); } /** * Exports the generated report file specified by the parameter into PDF format. * The resulting PDF file has the same name as the report object inside the source file, * plus the *.pdf extension and it is located in the same directory as the source file. * * @param sourceFileName source file containing the generated report * @return resulting PDF file name * @see net.sf.jasperreports.engine.export.JRPdfExporter */ public String exportToPdfFile(String sourceFileName) throws JRException { File sourceFile = new File(sourceFileName); /* We need the report name. */ JasperPrint jasperPrint = (JasperPrint)JRLoader.loadObject(sourceFile); File destFile = new File(sourceFile.getParent(), jasperPrint.getName() + ".pdf"); String destFileName = destFile.toString(); exportToPdfFile(jasperPrint, destFileName); return destFileName; } /** * Exports the generated report file specified by the first parameter into PDF format, * the result being placed in the second file parameter. * * @param sourceFileName source file containing the generated report * @param destFileName file name to place the PDF content into * @see net.sf.jasperreports.engine.export.JRPdfExporter */ public void exportToPdfFile( String sourceFileName, String destFileName ) throws JRException { JasperPrint jasperPrint = (JasperPrint)JRLoader.loadObjectFromFile(sourceFileName); exportToPdfFile(jasperPrint, destFileName); } /** * Exports the generated report file specified by the first parameter into PDF format, * the result being placed in the second file parameter. * * @param jasperPrint report object to export * @param destFileName file name to place the PDF content into * @see net.sf.jasperreports.engine.export.JRPdfExporter */ public void exportToPdfFile( JasperPrint jasperPrint, String destFileName ) throws JRException { /* */ JRPdfExporter exporter = new JRPdfExporter(jasperReportsContext); exporter.setExporterInput(new SimpleExporterInput(jasperPrint)); exporter.setExporterOutput(new SimpleOutputStreamExporterOutput(destFileName)); exporter.exportReport(); } /** * Exports the generated report read from the supplied input stream into PDF format and * writes the results to the output stream specified by the second parameter. * * @param inputStream input stream to read the generated report object from * @param outputStream output stream to write the resulting PDF content to * @see net.sf.jasperreports.engine.export.JRPdfExporter */ public void exportToPdfStream( InputStream inputStream, OutputStream outputStream ) throws JRException { JasperPrint jasperPrint = (JasperPrint)JRLoader.loadObject(inputStream); exportToPdfStream(jasperPrint, outputStream); } /** * Exports the generated report object received as first parameter into PDF format and * writes the results to the output stream specified by the second parameter. * * @param jasperPrint report object to export * @param outputStream output stream to write the resulting PDF content to * @see net.sf.jasperreports.engine.export.JRPdfExporter */ public void exportToPdfStream( JasperPrint jasperPrint, OutputStream outputStream ) throws JRException { JRPdfExporter exporter = new JRPdfExporter(jasperReportsContext); exporter.setExporterInput(new SimpleExporterInput(jasperPrint)); exporter.setExporterOutput(new SimpleOutputStreamExporterOutput(outputStream)); exporter.exportReport(); } /** * Exports the generated report object received as parameter into PDF format and * returns the binary content as a byte array. * * @param jasperPrint report object to export * @return byte array representing the resulting PDF content * @see net.sf.jasperreports.engine.export.JRPdfExporter */ public byte[] exportToPdf(JasperPrint jasperPrint) throws JRException { ByteArrayOutputStream baos = new ByteArrayOutputStream(); JRPdfExporter exporter = new JRPdfExporter(jasperReportsContext); exporter.setExporterInput(new SimpleExporterInput(jasperPrint)); exporter.setExporterOutput(new SimpleOutputStreamExporterOutput(baos)); exporter.exportReport(); return baos.toByteArray(); } /** * Exports the generated report file specified by the parameter into XML format. * The resulting XML file has the same name as the report object inside the source file, * plus the *.jrpxml extension and it is located in the same directory as the source file. *

* When exporting to XML format, the images can be either embedded in the XML content * itself using the Base64 encoder or be referenced as external resources. * If not embedded, the images are placed as distinct files inside a directory * having the same name as the XML destination file, plus the "_files" suffix. * * @param sourceFileName source file containing the generated report * @param isEmbeddingImages flag that indicates whether the images should be embedded in the * XML content itself using the Base64 encoder or be referenced as external resources * @return XML representation of the generated report * @see net.sf.jasperreports.engine.export.JRPdfExporter */ public String exportToXmlFile( String sourceFileName, boolean isEmbeddingImages ) throws JRException { File sourceFile = new File(sourceFileName); /* We need the report name. */ JasperPrint jasperPrint = (JasperPrint)JRLoader.loadObject(sourceFile); File destFile = new File(sourceFile.getParent(), jasperPrint.getName() + ".jrpxml"); String destFileName = destFile.toString(); exportToXmlFile( jasperPrint, destFileName, isEmbeddingImages ); return destFileName; } /** * Exports the generated report file specified by the first parameter into XML format, * placing the result into the second file parameter. *

* If not embedded into the XML content itself using the Base64 encoder, * the images are placed as distinct files inside a directory having the same name * as the XML destination file, plus the "_files" suffix. * * @param sourceFileName source file containing the generated report * @param destFileName file name to place the XML representation into * @param isEmbeddingImages flag that indicates whether the images should be embedded in the * XML content itself using the Base64 encoder or be referenced as external resources * @see net.sf.jasperreports.engine.export.JRPdfExporter */ public void exportToXmlFile( String sourceFileName, String destFileName, boolean isEmbeddingImages ) throws JRException { JasperPrint jasperPrint = (JasperPrint)JRLoader.loadObjectFromFile(sourceFileName); exportToXmlFile( jasperPrint, destFileName, isEmbeddingImages ); } /** * Exports the generated report object received as parameter into XML format, * placing the result into the second file parameter. *

* If not embedded into the XML content itself using the Base64 encoder, * the images are placed as distinct files inside a directory having the same name * as the XML destination file, plus the "_files" suffix. * * @param jasperPrint report object to export * @param destFileName file name to place the XML representation into * @param isEmbeddingImages flag that indicates whether the images should be embedded in the * XML content itself using the Base64 encoder or be referenced as external resources * * @see net.sf.jasperreports.engine.export.JRPdfExporter */ public void exportToXmlFile( JasperPrint jasperPrint, String destFileName, boolean isEmbeddingImages ) throws JRException { JRXmlExporter exporter = new JRXmlExporter(jasperReportsContext); exporter.setExporterInput(new SimpleExporterInput(jasperPrint)); SimpleXmlExporterOutput xmlOutput = new SimpleXmlExporterOutput(destFileName); xmlOutput.setEmbeddingImages(isEmbeddingImages); exporter.setExporterOutput(xmlOutput); exporter.exportReport(); } /** * Exports the generated report object read from the supplied input stream into XML format, * and writes the result to the output stream specified by the second parameter. * The images are embedded into the XML content itself using the Base64 encoder. * * @param inputStream input stream to read the generated report object from * @param outputStream output stream to write the resulting XML representation to * @see net.sf.jasperreports.engine.export.JRPdfExporter */ public void exportToXmlStream( InputStream inputStream, OutputStream outputStream ) throws JRException { JasperPrint jasperPrint = (JasperPrint)JRLoader.loadObject(inputStream); exportToXmlStream(jasperPrint, outputStream); } /** * Exports the generated report object supplied as the first parameter into XML format, * and writes the result to the output stream specified by the second parameter. * The images are embedded into the XML content itself using the Base64 encoder. * * @param jasperPrint report object to export * @param outputStream output stream to write the resulting XML representation to * @see net.sf.jasperreports.engine.export.JRPdfExporter */ public void exportToXmlStream( JasperPrint jasperPrint, OutputStream outputStream ) throws JRException { JRXmlExporter exporter = new JRXmlExporter(jasperReportsContext); exporter.setExporterInput(new SimpleExporterInput(jasperPrint)); exporter.setExporterOutput(new SimpleXmlExporterOutput(outputStream)); exporter.exportReport(); } /** * Exports the generated report object supplied as parameter into XML format * and returs the result as String. * The images are embedded into the XML content itself using the Base64 encoder. * * @param jasperPrint report object to export * @return XML representation of the generated report * @see net.sf.jasperreports.engine.export.JRPdfExporter */ public String exportToXml(JasperPrint jasperPrint) throws JRException { StringBuilder sb = new StringBuilder(); JRXmlExporter exporter = new JRXmlExporter(jasperReportsContext); exporter.setExporterInput(new SimpleExporterInput(jasperPrint)); exporter.setExporterOutput(new SimpleXmlExporterOutput(sb)); exporter.exportReport(); return sb.toString(); } /** * Exports the generated report file specified by the parameter into HTML format. * The resulting HTML file has the same name as the report object inside the source file, * plus the *.html extension and it is located in the same directory as the source file. * The images are placed as distinct files inside a directory having the same name * as the HTML destination file, plus the "_files" suffix. * * @param sourceFileName source file containing the generated report * @return resulting HTML file name * @see net.sf.jasperreports.engine.export.HtmlExporter */ public String exportToHtmlFile( String sourceFileName ) throws JRException { File sourceFile = new File(sourceFileName); /* We need the report name. */ JasperPrint jasperPrint = (JasperPrint)JRLoader.loadObject(sourceFile); File destFile = new File(sourceFile.getParent(), jasperPrint.getName() + ".html"); String destFileName = destFile.toString(); exportToHtmlFile( jasperPrint, destFileName ); return destFileName; } /** * Exports the generated report file specified by the first parameter into HTML format, * placing the result into the second file parameter. *

* The images are placed as distinct files inside a directory having the same name * as the HTML destination file, plus the "_files" suffix. * * @param sourceFileName source file containing the generated report * @param destFileName file name to place the HTML content into * @see net.sf.jasperreports.engine.export.JRPdfExporter */ public void exportToHtmlFile( String sourceFileName, String destFileName ) throws JRException { JasperPrint jasperPrint = (JasperPrint)JRLoader.loadObjectFromFile(sourceFileName); exportToHtmlFile( jasperPrint, destFileName ); } /** * Exports the generated report object received as parameter into HTML format, * placing the result into the second file parameter. *

* The images are placed as distinct files inside a directory having the same name * as the HTML destination file, plus the "_files" suffix. * * @param jasperPrint report object to export * @param destFileName file name to place the HTML content into * @see net.sf.jasperreports.engine.export.JRPdfExporter */ public void exportToHtmlFile( JasperPrint jasperPrint, String destFileName ) throws JRException { HtmlExporter exporter = new HtmlExporter(jasperReportsContext); exporter.setExporterInput(new SimpleExporterInput(jasperPrint)); exporter.setExporterOutput(new SimpleHtmlExporterOutput(destFileName)); exporter.exportReport(); } /** * @see #exportToPdfFile(String) */ public static String exportReportToPdfFile(String sourceFileName) throws JRException { return getDefaultInstance().exportToPdfFile(sourceFileName); } /** * @see #exportToPdfFile(String, String) */ public static void exportReportToPdfFile( String sourceFileName, String destFileName ) throws JRException { getDefaultInstance().exportToPdfFile(sourceFileName, destFileName); } /** * @see #exportToPdfFile(JasperPrint, String) */ public static void exportReportToPdfFile( JasperPrint jasperPrint, String destFileName ) throws JRException { getDefaultInstance().exportToPdfFile(jasperPrint, destFileName); } /** * @see #exportToPdfStream(InputStream, OutputStream) */ public static void exportReportToPdfStream( InputStream inputStream, OutputStream outputStream ) throws JRException { getDefaultInstance().exportToPdfStream(inputStream, outputStream); } /** * Exports the generated report object received as first parameter into PDF format and * writes the results to the output stream specified by the second parameter. * * @param jasperPrint report object to export * @param outputStream output stream to write the resulting PDF content to * @see net.sf.jasperreports.engine.export.JRPdfExporter * @see #exportToPdfStream(JasperPrint, OutputStream) */ public static void exportReportToPdfStream( JasperPrint jasperPrint, OutputStream outputStream ) throws JRException { getDefaultInstance().exportToPdfStream(jasperPrint, outputStream); } /** * @see #exportToPdf(JasperPrint) */ public static byte[] exportReportToPdf(JasperPrint jasperPrint) throws JRException { return getDefaultInstance().exportToPdf(jasperPrint); } /** * @see #exportToXmlFile(String, String, boolean) */ public static String exportReportToXmlFile( String sourceFileName, boolean isEmbeddingImages ) throws JRException { return getDefaultInstance().exportToXmlFile(sourceFileName, isEmbeddingImages); } /** * @see #exportToXmlFile(String, String, boolean) */ public static void exportReportToXmlFile( String sourceFileName, String destFileName, boolean isEmbeddingImages ) throws JRException { getDefaultInstance().exportToXmlFile(sourceFileName, destFileName, isEmbeddingImages); } /** * @see #exportToXmlFile(JasperPrint, String, boolean) */ public static void exportReportToXmlFile( JasperPrint jasperPrint, String destFileName, boolean isEmbeddingImages ) throws JRException { getDefaultInstance().exportToXmlFile(jasperPrint, destFileName, isEmbeddingImages); } /** * @see #exportToXmlStream(InputStream, OutputStream) */ public static void exportReportToXmlStream( InputStream inputStream, OutputStream outputStream ) throws JRException { getDefaultInstance().exportToXmlStream(inputStream, outputStream); } /** * @see #exportToXmlStream(JasperPrint, OutputStream) */ public static void exportReportToXmlStream( JasperPrint jasperPrint, OutputStream outputStream ) throws JRException { getDefaultInstance().exportToXmlStream(jasperPrint, outputStream); } /** * @see #exportToXml(JasperPrint) */ public static String exportReportToXml(JasperPrint jasperPrint) throws JRException { return getDefaultInstance().exportToXml(jasperPrint); } /** * @see #exportToHtmlFile(String) */ public static String exportReportToHtmlFile( String sourceFileName ) throws JRException { return getDefaultInstance().exportToHtmlFile(sourceFileName); } /** * @see #exportToHtmlFile(String, String) */ public static void exportReportToHtmlFile( String sourceFileName, String destFileName ) throws JRException { getDefaultInstance().exportToHtmlFile(sourceFileName, destFileName); } /** * @see #exportToHtmlFile(JasperPrint, String) */ public static void exportReportToHtmlFile( JasperPrint jasperPrint, String destFileName ) throws JRException { getDefaultInstance().exportToHtmlFile(jasperPrint, destFileName); } }





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