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/*
* Copyright 2011 Vaadin Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.vaadin.launcher;
import java.awt.FlowLayout;
import java.awt.HeadlessException;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Map;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.WindowConstants;
import com.vaadin.launcher.util.BrowserLauncher;
/**
* This class starts servlet container and opens a simple control dialog.
*
*/
public class DemoLauncher {
public static void main(String[] args) throws Exception {
final Map<String, String> serverArgs = DevelopmentServerLauncher
.parseArguments(args);
boolean deployed = false;
try {
// Default deployment: embedded.war
deployed = deployEmbeddedWarfile(serverArgs);
} catch (final IOException e1) {
e1.printStackTrace();
deployed = false;
}
// Check if deployment was succesful
if (!deployed && !serverArgs.containsKey("webroot")) {
// Default deployment failed, try other means
if (new File("WebContent").exists()) {
// Using WebContent directory as webroot
serverArgs.put("webroot", "WebContent");
} else {
System.err.print("Failed to deploy Vaadin application. "
+ "Please add --webroot parameter. Exiting.");
return;
}
}
// Start the Jetty servlet container
final String url = DevelopmentServerLauncher.runServer(serverArgs,
"Demo Server");
if (!serverArgs.containsKey("nogui") && url != null) {
// Open browser into application URL
BrowserLauncher.openBrowser(url);
// Open control dialog
/*
* Swing components should never be manipulated outside the event
* dispatch thread.
*/
java.awt.EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
try {
openServerControlDialog(url);
} catch (HeadlessException e) {
// nop, starting from console
}
}
});
}
}
/**
* Open a control dialog for embedded server.
*
* @param applicationUrl
* Application URL
*/
private static void openServerControlDialog(final String applicationUrl) {
// Main frame
final String title = "Desktop Server";
final JFrame frame = new JFrame(title);
frame.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
// Create link label and listen mouse click
final JLabel link = new JLabel("<html>"
+ "<center>Desktop Server is running at: <br>" + "<a href=\""
+ applicationUrl + "\">" + applicationUrl
+ "</a><br>Close this window to shutdown the server.</center>"
+ "</html>");
link.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
BrowserLauncher.openBrowser(applicationUrl);
}
});
// Create a panel and add components to it.
final JPanel contentPane = new JPanel(new FlowLayout());
frame.setContentPane(contentPane);
contentPane.add(link);
// Close confirmation
final JLabel question = new JLabel(
"This will stop the server. Are you sure?");
final JButton okButton = new JButton("OK");
final JButton cancelButton = new JButton("Cancel");
// List for close verify buttons
final ActionListener buttonListener = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource() == okButton) {
System.exit(0);
} else {
Rectangle bounds = frame.getBounds();
frame.setTitle(title);
contentPane.removeAll();
contentPane.add(link);
contentPane.setBounds(bounds);
frame.setBounds(bounds);
frame.setVisible(true);
frame.repaint();
}
}
};
okButton.addActionListener(buttonListener);
cancelButton.addActionListener(buttonListener);
frame.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
final Rectangle bounds = frame.getBounds();
frame.setTitle("Confirm close");
contentPane.removeAll();
contentPane.add(question);
contentPane.add(okButton);
contentPane.add(cancelButton);
frame.setBounds(bounds);
frame.setVisible(true);
frame.repaint();
}
});
// Position the window nicely
final java.awt.Dimension screenSize = java.awt.Toolkit
.getDefaultToolkit().getScreenSize();
final int w = 270;
final int h = 95;
final int margin = 20;
frame.setBounds(new Rectangle(screenSize.width - w - margin,
screenSize.height - h - margin * 2, w, h));
frame.toFront();
frame.setVisible(true);
}
/**
* Deploy file named "embedded.war" from classpath (inside jar file).
*
* @param args
* @return
* @throws IOException
*/
protected static boolean deployEmbeddedWarfile(Map<String, String> args)
throws IOException {
final String embeddedWarfileName = "/embedded.war";
final InputStream embeddedWarfile = DemoLauncher.class
.getResourceAsStream(embeddedWarfileName);
if (embeddedWarfile != null) {
final File tempWarfile = File.createTempFile("embedded", ".war")
.getAbsoluteFile();
tempWarfile.getParentFile().mkdirs();
tempWarfile.deleteOnExit();
final String embeddedWebroot = "winstoneEmbeddedWAR";
final File tempWebroot = new File(tempWarfile.getParentFile(),
embeddedWebroot);
tempWebroot.mkdirs();
final OutputStream out = new FileOutputStream(tempWarfile, true);
int read = 0;
final byte buffer[] = new byte[2048];
while ((read = embeddedWarfile.read(buffer)) != -1) {
out.write(buffer, 0, read);
}
out.close();
embeddedWarfile.close();
args.put("warfile", tempWarfile.getAbsolutePath());
args.put("webroot", tempWebroot.getAbsolutePath());
args.remove("webappsDir");
args.remove("hostsDir");
return true;
}
return false;
}
}
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