private static List<Class<?>> getClassesInDirectory(
File directory, String packageName, ClassLoader classLoader)
throws UnsupportedEncodingException {
List<Class<?>> classes = new ArrayList<Class<?>>();
// Capture all the .class files in this directory
// Get the list of the files contained in the package
String[] files = directory.list();
for (String currentFile : files) {
// we are only interested in .class files
if (currentFile.endsWith(".class")) {
// removes the .class extension
// CHECKSTYLE:OFF
try {
classes.add(
Class.forName(
packageName + '.' + currentFile.substring(0, currentFile.length() - 6)));
} catch (Throwable e) {
// do nothing. this class hasn't been found by the loader, and we don't care.
}
// CHECKSTYLE:ON
} else {
// It's another package
String subPackageName = packageName + '.' + currentFile;
// Ask for all resources for the path
URL resource = classLoader.getResource(subPackageName.replace('.', '/'));
File subDirectory = new File(URLDecoder.decode(resource.getPath(), "UTF-8"));
List<Class<?>> classesForSubPackage =
getClassesInDirectory(subDirectory, subPackageName, classLoader);
classes.addAll(classesForSubPackage);
}
}
return classes;
}
