/**
* Create a splash screen (borderless graphic for display while other operations are taking
* place).
*
* @param filename a class-relative path to the splash graphic
* @param callingClass the class to which the graphic filename location is relative
*/
public SplashScreen(String filename, Class callingClass) {
super(new Frame());
URL imageURL = callingClass.getResource(filename);
image = Toolkit.getDefaultToolkit().createImage(imageURL);
// Load the image
MediaTracker mt = new MediaTracker(this);
mt.addImage(image, 0);
try {
mt.waitForID(0);
} catch (InterruptedException ie) {
}
// Center the window on the screen
int imgWidth = image.getWidth(this);
int imgHeight = image.getHeight(this);
setSize(imgWidth, imgHeight);
Dimension screenDim = Toolkit.getDefaultToolkit().getScreenSize();
setLocation((screenDim.width - imgWidth) / 2, (screenDim.height - imgHeight) / 2);
setVisible(true);
repaint();
// if on a single processor machine, wait for painting (see Fast Java Splash Screen.pdf)
if (!EventQueue.isDispatchThread()) {
synchronized (this) {
while (!this.paintCalled) {
try {
this.wait();
} catch (InterruptedException e) {
}
}
}
}
}
private static InputSource getConfigSource(Class pAppClass) throws DataNotFoundException {
URL resource = pAppClass.getResource(CONFIG_FILE_NAME);
String resourceFileName = resource.toExternalForm();
File resourceFile = new File(resourceFileName);
InputStream configResourceStream = pAppClass.getResourceAsStream(CONFIG_FILE_NAME);
if (null == configResourceStream) {
throw new DataNotFoundException(
"unable to find XML configuration file resource: "
+ CONFIG_FILE_NAME
+ " for class: "
+ pAppClass.getName());
}
InputSource inputSource = new InputSource(configResourceStream);
if (!resourceFile.exists()) {
inputSource.setSystemId(resourceFileName);
}
return (inputSource);
}
public static File fileForClass(Class clazz) throws IOException {
URL url = clazz.getResource(simpleName(clazz) + ".class");
return new File(url.getFile());
}
private static URL packageRelativeResource(String resourceName, Class<?> clazz) {
String directoryPrefix = '/' + clazz.getPackage().getName().replaceAll("\\.", "/") + '/';
return clazz.getResource(directoryPrefix + resourceName);
}
