public void addExtension(Class<?> loadResourcesUsing, String loadFrom) throws IOException {
// Is loadFrom a file?
File file = new File(loadFrom);
if (file.exists()) {
addExtension(file);
return;
}
// Try and load it from the classpath
InputStream resource = loadResourcesUsing.getResourceAsStream(loadFrom);
if (resource == null && !loadFrom.startsWith("/")) {
resource = loadResourcesUsing.getResourceAsStream("/" + loadFrom);
}
if (resource == null) {
resource = FirefoxProfile.class.getResourceAsStream(loadFrom);
}
if (resource == null && !loadFrom.startsWith("/")) {
resource = FirefoxProfile.class.getResourceAsStream("/" + loadFrom);
}
if (resource == null) {
throw new FileNotFoundException("Cannot locate resource with name: " + loadFrom);
}
File root;
if (FileHandler.isZipped(loadFrom)) {
root = FileHandler.unzip(resource);
} else {
throw new RuntimeException("Will only install zipped extensions for now");
}
addExtension(root);
}
private File obtainRootDirectory(File extensionToInstall) throws IOException {
File root = extensionToInstall;
if (!extensionToInstall.isDirectory()) {
BufferedInputStream bis = new BufferedInputStream(new FileInputStream(extensionToInstall));
try {
root = FileHandler.unzip(bis);
} finally {
bis.close();
}
}
return root;
}