Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.javafx.main;
import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Desktop;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.lang.reflect.Method;
import java.net.URL;
import javax.swing.JApplet;
import javax.swing.JButton;
import javax.swing.JTextPane;
public class NoJavaFXFallback extends JApplet implements ActionListener {
boolean isInBrowser = false;
boolean oldJRE = true;
String requiredJavaFXVersion = null;
boolean oldJavaFX = false;
boolean doNotUseJNLPAPI = false;
public NoJavaFXFallback() {
}
//used by standalone launcher
public NoJavaFXFallback(boolean needJREUpgrade, boolean needFXUpgrade, String requiredJavaFX) {
this.isInBrowser = false;
this.oldJavaFX = needFXUpgrade;
this.requiredJavaFXVersion = requiredJavaFX;
this.oldJRE = needJREUpgrade;
this.doNotUseJNLPAPI = true;
populate();
}
// Package-scope method used to check minimum JRE version
static boolean isOldJRE() {
return getJavaVersionAsFloat() < 160.18f; //< 6u18
}
private static float getJavaVersionAsFloat() {
String versionString = System.getProperty("java.version", "1.5.0");
StringBuffer sb = new StringBuffer();
int firstDot = versionString.indexOf(".");
sb.append(versionString.substring(0,firstDot));
int secondDot = versionString.indexOf(".", firstDot+1);
sb.append(versionString.substring(firstDot+1, secondDot));
int underscore = versionString.indexOf("_", secondDot+1);
if (underscore >= 0) {
int dash = versionString.indexOf("-", underscore+1);
if (dash < 0) {
dash = versionString.length();
}
sb.append(versionString.substring(secondDot+1, underscore)).
append(".").
append(versionString.substring(underscore+1, dash));
} else {
int dash = versionString.indexOf("-", secondDot+1);
if (dash < 0) {
dash = versionString.length();
}
sb.append(versionString.substring(secondDot+1, dash));
}
float version = 150.0f;
try {
version = Float.parseFloat(sb.toString());
} catch (NumberFormatException e) {}
return version;
}
private void test() {
oldJRE = isOldJRE();
try {
// if run in browser then should be able to get JSObject
Class jclass = Class.forName("netscape.javascript.JSObject");
Method m = jclass.getMethod("getWindow", new Class[] {Applet.class});
isInBrowser = (m.invoke(null, new Object[] {this}) != null);
} catch (Exception e) {}
}
String getText() {
String text = "This application requires a newer version "
+ "of the Java runtime. Please download and install the "
+ "latest Java runtime from java.com.";
if (isInBrowser) {
text = text + " Then restart the browser.";
} else {
text = text + " Then restart the application.";
}
return text;
}
public void init() {
//do not get here in the standalone more
requiredJavaFXVersion = getParameter("requiredFXVersion");
test();
populate();
}
private void populate() {
Container pane = this.getContentPane();
pane.setLayout(new BorderLayout());
JTextPane l = new JTextPane();
l.setText(getText());
l.setEditable(false);
pane.add(l, BorderLayout.CENTER);
if (getJavaVersionAsFloat() > 160f || //can use AWT APIs
(getJavaVersionAsFloat() > 150f && !doNotUseJNLPAPI)) { //do not have JNLP API in 1.4?
JButton installButton = new JButton("Install Now");
installButton.addActionListener(this);
pane.add(installButton, BorderLayout.SOUTH);
}
}
public void actionPerformed(ActionEvent ae) {
try {
URL u = new URL("http://java.com/");
if (isInBrowser) {
getAppletContext().showDocument(u);
} else {
if (!doNotUseJNLPAPI) {
Class sm = Class.forName("javax.jnlp.ServiceManager");
Class bs = Class.forName("javax.jnlp.BasicService");
Method lookup = sm.getMethod(
"lookup", new Class[]{String.class});
Method showDoc = bs.getMethod(
"showDocument", new Class[]{java.net.URL.class});
Object s = lookup.invoke(
null, new Object[]{"javax.jnlp.BasicService"});
showDoc.invoke(s, new Object[]{u});
} else { //running standalone app?
//use awt.Desktop. if we got here then it must be available
Desktop d = Desktop.getDesktop();
if (d != null) {
d.browse(u.toURI());
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
}