Java tutorial
package com.jswitch.reporte.controlador; /* * JasperReports - Free Java Reporting Library. * Copyright (C) 2001 - 2011 Jaspersoft Corporation. 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 <http://www.gnu.org/licenses/>. */ /* * Contributors: * Ryan Johnson - delscovich@users.sourceforge.net * Carlton Moore - cmoore79@users.sourceforge.net */ import java.awt.BorderLayout; import java.awt.Toolkit; import java.io.InputStream; import java.util.Locale; import net.sf.jasperreports.engine.JRConstants; import net.sf.jasperreports.engine.JRException; import net.sf.jasperreports.engine.JasperPrint; import net.sf.jasperreports.view.JRViewer; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * @author Teodor Danciu (teodord@users.sourceforge.net) * @version $Id$ */ public class JasperViewer2 extends javax.swing.JFrame { private static final Log log = LogFactory.getLog(JasperViewer2.class); private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID; /** * */ protected JRViewer viewer; /** * */ private boolean isExitOnClose = true; /** Creates new form JasperViewer */ public JasperViewer2(String sourceFile, boolean isXMLFile) throws JRException { this(sourceFile, isXMLFile, true); } /** Creates new form JasperViewer */ public JasperViewer2(InputStream is, boolean isXMLFile) throws JRException { this(is, isXMLFile, true); } /** Creates new form JasperViewer */ public JasperViewer2(JasperPrint jasperPrint) { this(jasperPrint, true); } /** Creates new form JasperViewer */ public JasperViewer2(String sourceFile, boolean isXMLFile, boolean isExitOnClose) throws JRException { this(sourceFile, isXMLFile, isExitOnClose, null); } /** Creates new form JasperViewer */ public JasperViewer2(InputStream is, boolean isXMLFile, boolean isExitOnClose) throws JRException { this(is, isXMLFile, isExitOnClose, null); } /** Creates new form JasperViewer */ public JasperViewer2(JasperPrint jasperPrint, boolean isExitOnClose) { this(jasperPrint, isExitOnClose, null); } /** Creates new form JasperViewer */ public JasperViewer2(String sourceFile, boolean isXMLFile, boolean isExitOnClose, Locale locale) throws JRException { if (locale != null) { setLocale(locale); } this.isExitOnClose = isExitOnClose; initComponents(); this.viewer = new JRViewer(sourceFile, isXMLFile, locale); this.pnlMain.add(this.viewer, BorderLayout.CENTER); } /** Creates new form JasperViewer */ public JasperViewer2(InputStream is, boolean isXMLFile, boolean isExitOnClose, Locale locale) throws JRException { if (locale != null) { setLocale(locale); } this.isExitOnClose = isExitOnClose; initComponents(); this.viewer = new JRViewer(is, isXMLFile, locale); this.pnlMain.add(this.viewer, BorderLayout.CENTER); } /** Creates new form JasperViewer */ public JasperViewer2(JasperPrint jasperPrint, boolean isExitOnClose, Locale locale) { if (locale != null) { setLocale(locale); } this.isExitOnClose = isExitOnClose; initComponents(); this.viewer = new JRViewer(jasperPrint, locale); this.pnlMain.add(this.viewer, BorderLayout.CENTER); } /** This method is called from within the constructor to * initialize the form. * WARNING: Do NOT modify this code. The content of this method is * always regenerated by the Form Editor. */ private void initComponents() {//GEN-BEGIN:initComponents pnlMain = new javax.swing.JPanel(); setTitle("JasperViewer"); setIconImage( new javax.swing.ImageIcon(getClass().getResource("/net/sf/jasperreports/view/images/jricon.GIF")) .getImage()); addWindowListener(new java.awt.event.WindowAdapter() { public void windowClosing(java.awt.event.WindowEvent evt) { exitForm(); } }); pnlMain.setLayout(new java.awt.BorderLayout()); getContentPane().add(pnlMain, java.awt.BorderLayout.CENTER); pack(); Toolkit toolkit = java.awt.Toolkit.getDefaultToolkit(); java.awt.Dimension screenSize = toolkit.getScreenSize(); int screenResolution = toolkit.getScreenResolution(); float zoom = ((float) screenResolution) / JRViewer.REPORT_RESOLUTION; int height = (int) (550 * zoom); if (height > screenSize.getHeight()) { height = (int) screenSize.getHeight(); } int width = (int) (750 * zoom); if (width > screenSize.getWidth()) { width = (int) screenSize.getWidth(); } java.awt.Dimension dimension = new java.awt.Dimension(width, height); setSize(dimension); setLocation((screenSize.width - width) / 2, (screenSize.height - height) / 2); }//GEN-END:initComponents /** Exit the Application */ void exitForm() {//GEN-FIRST:event_exitForm if (this.isExitOnClose) { System.exit(0); } else { this.setVisible(false); this.viewer.clear(); this.viewer = null; this.getContentPane().removeAll(); this.dispose(); } }//GEN-LAST:event_exitForm /** * */ public void setZoomRatio(float zoomRatio) { viewer.setZoomRatio(zoomRatio); } /** * */ public void setFitWidthZoomRatio() { viewer.setFitWidthZoomRatio(); } /** * */ public void setFitPageZoomRatio() { viewer.setFitPageZoomRatio(); } /** * @param args the command line arguments */ public static void main(String args[]) { String fileName = null; boolean isXMLFile = false; for (int i = 0; i < args.length; i++) { if (args[i].startsWith("-XML")) { isXMLFile = true; } else if (args[i].startsWith("-F")) { fileName = args[i].substring(2); } else { fileName = args[i]; } } if (fileName == null) { usage(); return; } if (!isXMLFile && fileName.endsWith(".jrpxml")) { isXMLFile = true; } try { viewReport(fileName, isXMLFile); } catch (JRException e) { if (log.isErrorEnabled()) { log.error("Error viewing report.", e); } System.exit(1); } } /** * */ private static void usage() { System.out.println("JasperViewer usage:"); System.out.println("\tjava JasperViewer [-XML] file"); } /** * */ public static void viewReport(String sourceFile, boolean isXMLFile) throws JRException { viewReport(sourceFile, isXMLFile, true, null); } /** * */ public static void viewReport(InputStream is, boolean isXMLFile) throws JRException { viewReport(is, isXMLFile, true, null); } /** * */ public static void viewReport(JasperPrint jasperPrint) { viewReport(jasperPrint, true, null); } /** * */ public static void viewReport(String sourceFile, boolean isXMLFile, boolean isExitOnClose) throws JRException { viewReport(sourceFile, isXMLFile, isExitOnClose, null); } /** * */ public static void viewReport(InputStream is, boolean isXMLFile, boolean isExitOnClose) throws JRException { viewReport(is, isXMLFile, isExitOnClose, null); } /** * */ public static void viewReport(JasperPrint jasperPrint, boolean isExitOnClose) { viewReport(jasperPrint, isExitOnClose, null); } /** * */ public static void viewReport(String sourceFile, boolean isXMLFile, boolean isExitOnClose, Locale locale) throws JRException { JasperViewer2 jasperViewer = new JasperViewer2(sourceFile, isXMLFile, isExitOnClose, locale); jasperViewer.setVisible(true); } /** * */ public static void viewReport(InputStream is, boolean isXMLFile, boolean isExitOnClose, Locale locale) throws JRException { JasperViewer2 jasperViewer = new JasperViewer2(is, isXMLFile, isExitOnClose, locale); jasperViewer.setVisible(true); } /** * */ public static void viewReport(JasperPrint jasperPrint, boolean isExitOnClose, Locale locale) { JasperViewer2 jasperViewer = new JasperViewer2(jasperPrint, isExitOnClose, locale); jasperViewer.setVisible(true); } // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JPanel pnlMain; // End of variables declaration//GEN-END:variables }