private static ClassLoader toolsClassLoader() {
File javaHome = new File(System.getProperty("java.home"));
File classesDir = new File(javaHome, "classes");
File libDir = new File(javaHome.getParentFile(), "lib");
File toolsJar = new File(libDir, "tools.jar");
try {
return new URLClassLoader(new URL[] {classesDir.toURL(), toolsJar.toURL()});
} catch (MalformedURLException e) {
throw new AssertionError(e);
}
}
/**
* Load image from resource path (using getResource). Note that GIFs are loaded as _translucent_
* indexed images. Images are cached: loading an image with the same name twice will get the
* cached image the second time. If you want to remove an image from the cache, use purgeImage.
* Throws JGError when there was an error.
*/
@SuppressWarnings({"deprecation", "unchecked"})
public JGImage loadImage(String imgfile) {
Image img = (Image) loadedimages.get(imgfile);
if (img == null) {
URL imgurl = getClass().getResource(imgfile);
if (imgurl == null) {
try {
File imgf = new File(imgfile);
if (imgf.canRead()) {
imgurl = imgf.toURL();
} else {
imgurl = new URL(imgfile);
// throw new JGameError(
// "File "+imgfile+" not found.",true);
}
} catch (MalformedURLException e) {
// e.printStackTrace();
throw new JGameError("File not found or malformed path or URL '" + imgfile + "'.", true);
}
}
img = output_comp.getToolkit().createImage(imgurl);
loadedimages.put(imgfile, img);
}
try {
ensureLoaded(img);
} catch (Exception e) {
// e.printStackTrace();
throw new JGameError("Error loading image " + imgfile);
}
return new JREImage(img);
}
/*
* Save the given configuration to disk.
*/
public void save(String message, Configuration configuration) {
File configLocation =
new File(output, getRootFolder() + "configuration/org.eclipse.update/platform.xml");
File installLocation = new File(output, getRootFolder());
try {
configuration.save(configLocation, installLocation.toURL());
} catch (ProvisionException e) {
fail(message, e);
} catch (MalformedURLException e) {
fail(message, e);
}
}
public Configuration loadConfiguration(File configLocation, File installLocation) {
try {
return Configuration.load(configLocation, installLocation.toURL());
} catch (ProvisionException e) {
fail("Error while reading configuration from " + configLocation);
} catch (MalformedURLException e) {
fail("Unable to convert install location to URL " + installLocation);
}
assertTrue("Unable to read configuration from " + configLocation, false);
// avoid compiler error
return null;
}
public URL getResource(String path) {
try {
File f = getFile(path);
if (!f.exists()) return null;
return f.toURL();
} catch (FileNotFoundException fnf) {
// the spec says to return null if we can't find it
// even though this is weird...
return null;
} catch (IOException ioe) {
throw new RuntimeException("error opening [" + path + "]", ioe);
}
}
public static ClassLoader addFileToClassPath(ClassLoader root, ClassLoader classLoader, File f) {
if (f.exists() && (!f.isDirectory()) && f.getName().endsWith(".jar")) {
try {
classLoader = extendClassLoader(root, classLoader, f.toURL());
} catch (Exception e) {
// don't use Debug/lglogger here as we can be called before AZ has been initialised
e.printStackTrace();
}
}
return (classLoader);
}