в 17:44, 31 мая 2010

2010-05-31T17:44:27Z

Admin: 1 версия

2010-05-31T15:30:50Z

1 версия

Новая страница

== Desktop Help Applications ==



<source lang="java">
import java.awt.Desktop;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.URI;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
public class DesktopDemo {
static Desktop desktop;
public static void main(String[] args) {

if (Desktop.isDesktopSupported()) {
desktop = Desktop.getDesktop();
} else {
System.out.println("Desktop class is not supported");
System.exit(1);
}
JMenuItem openItem = new JMenuItem("Open");
JMenuItem editItem = new JMenuItem("Edit");
JMenuItem printItem = new JMenuItem("Print");
JMenuItem browseToItem = new JMenuItem("Go to www.jexp.ru");
JMenuItem mailToItem = new JMenuItem("Email to a@java.ru");
JMenu fileMenu = new JMenu("File");
JMenu mailMenu = new JMenu("Email");
JMenu browseMenu = new JMenu("Browser");

openItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JFileChooser chooser = new JFileChooser();
if (chooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
try {
desktop.open(chooser.getSelectedFile().getAbsoluteFile());
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
});
fileMenu.add(openItem);

editItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JFileChooser chooser = new JFileChooser();
if (chooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
try {
desktop.edit(chooser.getSelectedFile().getAbsoluteFile());
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
});
fileMenu.add(editItem);

printItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JFileChooser chooser = new JFileChooser();
if (chooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
try {
desktop.print(chooser.getSelectedFile().getAbsoluteFile());
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
});
fileMenu.add(printItem);

browseToItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {
URI browseURI = new URI("www.jexp.ru");
desktop.browse(browseURI);
} catch (Exception ex) {
System.out.println(ex.getMessage());
}
}
});
browseMenu.add(browseToItem);
mailToItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {
URI mailURI = new URI("mailto:support@java.ru");
desktop.mail(mailURI);
} catch (Exception ex) {
System.out.println(ex.getMessage());
}
}
});
mailMenu.add(mailToItem);
JMenuBar jMenuBar = new JMenuBar();
jMenuBar.add(fileMenu);
jMenuBar.add(browseMenu);
jMenuBar.add(mailMenu);
JFrame frame = new JFrame();
frame.setTitle("Desktop Helper Applications");
frame.setSize(300, 100);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setJMenuBar(jMenuBar);
frame.setVisible(true);
}
}</source>



== Invoke the default editor to edit a file ==



<source lang="java">
import java.awt.Desktop;
import java.io.File;
import java.io.IOException;
public class Test {
public static void main(String[] a) {
try {
Desktop desktop = null;
if (Desktop.isDesktopSupported()) {
desktop = Desktop.getDesktop();
}
desktop.edit(new File("c:\\a.txt"));
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
}</source>



== Open a office word file with Java ==



<source lang="java">
import java.awt.Desktop;
import java.io.File;
import java.io.IOException;
public class Test {
public static void main(String[] a) {
try {
Desktop desktop = null;
if (Desktop.isDesktopSupported()) {
desktop = Desktop.getDesktop();
}
desktop.open(new File("c:\\a.doc"));
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
}</source>



== Open Mail client ==



<source lang="java">
import java.awt.Desktop;
import java.io.IOException;
import java.net.URI;
public class Test {
public static void main(String[] a)throws Exception {
Desktop desktop = null;
if (Desktop.isDesktopSupported()) {
desktop = Desktop.getDesktop();
}
desktop.mail();
}
}</source>



== Send out email ==



<source lang="java">
import java.awt.Desktop;
import java.io.IOException;
import java.net.URI;
public class Test {
public static void main(String[] a)throws Exception {
Desktop desktop = null;
if (Desktop.isDesktopSupported()) {
desktop = Desktop.getDesktop();
}
desktop.mail("mailto", "a@a.net", null);
}
}</source>



== Using system default printer to print a file out ==



<source lang="java">
import java.awt.Desktop;
import java.io.File;
import java.io.IOException;
public class Test {
public static void main(String[] a) {
try {
Desktop desktop = null;
if (Desktop.isDesktopSupported()) {
desktop = Desktop.getDesktop();
}
desktop.print(new File("c:\\a.txt"));
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
}</source>



== Using the Desktop class to launch a URL with default browser ==



<source lang="java">
import java.awt.Desktop;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
public class UsingDesltopClassToLaunch {
public static void main(String[] a) {
try {
URI uri = new URI("http://www.jexp.ru");
Desktop desktop = null;
if (Desktop.isDesktopSupported()) {
desktop = Desktop.getDesktop();
}
if (desktop != null)
desktop.browse(uri);
} catch (IOException ioe) {
ioe.printStackTrace();
} catch (URISyntaxException use) {
use.printStackTrace();
}
}
}</source>



== Using the system default setting to open a file ==



<source lang="java">
import java.awt.Desktop;
import java.io.File;
import java.io.IOException;
public class Test {
public static void main(String[] a) {
try {
Desktop desktop = null;
if (Desktop.isDesktopSupported()) {
desktop = Desktop.getDesktop();
}
desktop.open(new File("c:\\a.txt"));
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
}</source>

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в 17:44, 31 мая 2010

Admin: 1 версия