Java examples for Native OS:Desktop
Use system default Print, email, browser
/*//from ww w . j av a 2s.c om * DesktopDemo.java * */ import java.awt.*; import java.awt.event.*; import java.io.*; import java.net.*; import javax.swing.*; public class DesktopDemo extends JFrame { JButton btnLaunchApplication = new JButton("Launch Application"); JButton btnLaunchBrowser = new JButton("Launch Browser"); JButton btnLaunchEmail = new JButton(); JRadioButton rbEdit = new JRadioButton("Edit"); JRadioButton rbOpen = new JRadioButton("Open", true); JRadioButton rbPrint = new JRadioButton("Print"); JTextField txtBrowserURI = new JTextField(); JTextField txtMailTo = new JTextField(); JTextField txtFile = new JTextField(); ButtonGroup bgAppAction = new ButtonGroup(); JLabel lblMailRecipient = new JLabel("E-mail:"); JLabel lblBrowserUri = new JLabel("URI:"); JLabel lblFile = new JLabel("File:"); JButton btnFile = new JButton("..."); JLabel emptyLabel = new JLabel(" "); JPanel conLeft = new JPanel(); JPanel conCenter = new JPanel(); JPanel conRight = new JPanel(); JFileChooser fc = new JFileChooser(); File file; private Desktop desktop; private Desktop.Action action = Desktop.Action.OPEN; /** * Creates new form DesktopDemo */ public DesktopDemo() { // init all gui components initComponents(); // disable buttons that launch browser, email client, // disable buttons that open, edit, print files disableActions(); // before any Desktop APIs are used, first check whether the API is // supported by this particular VM on this particular host if (Desktop.isDesktopSupported()) { desktop = Desktop.getDesktop(); // now enable buttons for actions that are supported. enableSupportedActions(); } loadFrameIcon(); setResizable(false); } public static void main(String args[]) { /* Use an appropriate Look and Feel */ try { //UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel"); //UIManager.setLookAndFeel("com.sun.java.swing.plaf.gtk.GTKLookAndFeel"); UIManager .setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel"); } catch (UnsupportedLookAndFeelException ex) { ex.printStackTrace(); } catch (IllegalAccessException ex) { ex.printStackTrace(); } catch (InstantiationException ex) { ex.printStackTrace(); } catch (ClassNotFoundException ex) { ex.printStackTrace(); } /* Turn off metal's use of bold fonts */ UIManager.put("swing.boldMetal", Boolean.FALSE); //Schedule a job for the event-dispatching thread: //creating and showing this application's GUI. SwingUtilities.invokeLater(new Runnable() { public void run() { new DesktopDemo().setVisible(true); } }); } /** Create and show components */ private void initComponents() { setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); setTitle("DesktopDemo"); txtBrowserURI.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { onLaunchBrowser(null); } }); btnLaunchBrowser.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { onLaunchBrowser(evt); } }); txtMailTo.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { onLaunchMail(null); } }); btnLaunchEmail.setText("Launch Mail"); btnLaunchEmail.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { onLaunchMail(evt); } }); txtFile.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { onLaunchDefaultApplication(null); } }); rbOpen.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { onOpenAction(evt); } }); rbEdit.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { onEditAction(evt); } }); rbPrint.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { onPrintAction(evt); } }); btnLaunchApplication.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { onLaunchDefaultApplication(evt); } }); btnFile.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { onChooseFile(evt); } }); Container conFrame = this.getContentPane(); bgAppAction.add(rbOpen); bgAppAction.add(rbEdit); bgAppAction.add(rbPrint); // Components layouting GroupLayout layout = new GroupLayout(conFrame); conFrame.setLayout(layout); layout.setAutoCreateContainerGaps(true); layout.setAutoCreateGaps(true); GroupLayout.SequentialGroup majorHGroup = layout .createSequentialGroup(); // Horizontal group GroupLayout.ParallelGroup lblHGroup = layout .createParallelGroup(GroupLayout.Alignment.LEADING); lblHGroup.addComponent(lblBrowserUri, GroupLayout.Alignment.TRAILING); lblHGroup.addComponent(lblMailRecipient, GroupLayout.Alignment.TRAILING); lblHGroup.addComponent(lblFile, GroupLayout.Alignment.TRAILING); GroupLayout.ParallelGroup txtFieldsHGroup = layout .createParallelGroup(GroupLayout.Alignment.LEADING); txtFieldsHGroup.addComponent(txtMailTo); txtFieldsHGroup.addComponent(txtBrowserURI); GroupLayout.SequentialGroup rbHGroup = layout .createSequentialGroup(); rbHGroup.addComponent(rbOpen); rbHGroup.addComponent(rbEdit); rbHGroup.addComponent(rbPrint); txtFieldsHGroup.addGroup(rbHGroup); GroupLayout.SequentialGroup fileHGroup = layout .createSequentialGroup(); fileHGroup.addComponent(txtFile); fileHGroup.addComponent(btnFile); txtFieldsHGroup.addGroup(fileHGroup); GroupLayout.ParallelGroup btnHGroup = layout .createParallelGroup(GroupLayout.Alignment.LEADING); btnHGroup.addComponent(btnLaunchBrowser); btnHGroup.addComponent(btnLaunchEmail); btnHGroup.addComponent(btnLaunchApplication); majorHGroup.addGroup(lblHGroup); majorHGroup.addGroup(txtFieldsHGroup); majorHGroup.addGroup(btnHGroup); layout.setHorizontalGroup(majorHGroup); // Vertical group GroupLayout.SequentialGroup majorVGroup = layout .createSequentialGroup(); GroupLayout.ParallelGroup uriVGroup = layout .createParallelGroup(GroupLayout.Alignment.BASELINE); uriVGroup.addComponent(lblBrowserUri); uriVGroup.addComponent(txtBrowserURI); uriVGroup.addComponent(btnLaunchBrowser); GroupLayout.ParallelGroup mailVGroup = layout .createParallelGroup(GroupLayout.Alignment.BASELINE); mailVGroup.addComponent(lblMailRecipient); mailVGroup.addComponent(txtMailTo); mailVGroup.addComponent(btnLaunchEmail); GroupLayout.ParallelGroup rbVGroup = layout .createParallelGroup(GroupLayout.Alignment.BASELINE); rbVGroup.addComponent(rbOpen); rbVGroup.addComponent(rbEdit); rbVGroup.addComponent(rbPrint); GroupLayout.ParallelGroup fileVGroup = layout .createParallelGroup(GroupLayout.Alignment.BASELINE); fileVGroup.addComponent(lblFile); fileVGroup.addComponent(btnLaunchApplication); fileVGroup.addComponent(txtFile); fileVGroup.addComponent(btnFile); majorVGroup.addGroup(uriVGroup); majorVGroup.addGroup(mailVGroup); majorVGroup.addGroup(rbVGroup); majorVGroup.addGroup(fileVGroup); layout.setVerticalGroup(majorVGroup); pack(); } /** * Load the "desktop" icon into our frame window. */ private void loadFrameIcon() { URL imgUrl = null; ImageIcon imgIcon = null; imgUrl = DesktopDemo.class.getResource("images/desk32.gif"); imgIcon = new ImageIcon(imgUrl); Image img = imgIcon.getImage(); this.setIconImage(img); } /* * Set the Desktop.Action to PRINT before invoking * the default application. */ private void onPrintAction(ActionEvent evt) { action = Desktop.Action.PRINT; } /** * Set the Desktop.Action to EDIT before invoking * the default application. */ private void onEditAction(ActionEvent evt) { action = Desktop.Action.EDIT; } /** * Set the Desktop.Action to OPEN before invoking * the default application. */ private void onOpenAction(ActionEvent evt) { action = Desktop.Action.OPEN; } /** * Launch the default application associated with a specific * filename using the preset Desktop.Action. * */ private void onLaunchDefaultApplication(ActionEvent evt) { String fileName = txtFile.getText(); File file = new File(fileName); try { switch (action) { case OPEN: desktop.open(file); break; case EDIT: desktop.edit(file); break; case PRINT: desktop.print(file); break; } } catch (IOException ioe) { //ioe.printStackTrace(); System.out.println("Cannot perform the given operation to the " + file + " file"); } } /** * Launch the default email client using the "mailto" * protocol and the text supplied by the user. * */ private void onLaunchMail(ActionEvent evt) { String mailTo = txtMailTo.getText(); URI uriMailTo = null; try { if (mailTo.length() > 0) { uriMailTo = new URI("mailto", mailTo, null); desktop.mail(uriMailTo); } else { desktop.mail(); } } catch (IOException ioe) { ioe.printStackTrace(); } catch (URISyntaxException use) { use.printStackTrace(); } } /** * Launch the default browser with the text provided by the * user. * */ private void onLaunchBrowser(ActionEvent evt) { URI uri = null; try { uri = new URI(txtBrowserURI.getText()); desktop.browse(uri); } catch (IOException ioe) { System.out.println("The system cannot find the " + uri + " file specified"); //ioe.printStackTrace(); } catch (URISyntaxException use) { System.out.println("Illegal character in path"); //use.printStackTrace(); } } private void onChooseFile(ActionEvent evt) { if (evt.getSource() == btnFile) { int returnVal = fc.showOpenDialog(DesktopDemo.this); if (returnVal == JFileChooser.APPROVE_OPTION) { file = fc.getSelectedFile(); txtFile.setText(file.getAbsolutePath()); } } } /** * Enable actions that are supported on this host. * The actions are: open browser, open email client, and * open, edit, and print files using their associated application */ private void enableSupportedActions() { if (desktop.isSupported(Desktop.Action.BROWSE)) { txtBrowserURI.setEnabled(true); btnLaunchBrowser.setEnabled(true); } if (desktop.isSupported(Desktop.Action.MAIL)) { txtMailTo.setEnabled(true); btnLaunchEmail.setEnabled(true); } if (desktop.isSupported(Desktop.Action.OPEN)) { rbOpen.setEnabled(true); } if (desktop.isSupported(Desktop.Action.EDIT)) { rbEdit.setEnabled(true); } if (desktop.isSupported(Desktop.Action.PRINT)) { rbPrint.setEnabled(true); } if (rbEdit.isEnabled() || rbOpen.isEnabled() || rbPrint.isEnabled()) { txtFile.setEnabled(true); btnLaunchApplication.setEnabled(true); btnFile.setEnabled(true); } } /** * Disable all graphical components until we know * whether their functionality is supported. */ private void disableActions() { txtBrowserURI.setEnabled(false); btnLaunchBrowser.setEnabled(false); txtMailTo.setEnabled(false); btnLaunchEmail.setEnabled(false); rbEdit.setEnabled(false); rbOpen.setEnabled(false); rbPrint.setEnabled(false); txtFile.setEnabled(false); btnLaunchApplication.setEnabled(false); btnFile.setEnabled(false); } } /* * Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * - Neither the name of Oracle or the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */