code: public static File getClassFileFromDirectoryInClassPath(String className) {
  		String fileName = StringSupport.replaceAll(className, ".", "/");
  		fileName += ".class";
  		return getFileFromDirectoryInClassPath(fileName, System.getProperty("java.class.path"));
  	}
docs: Tries to retrieve a class as File from all directories mentioned in system property java.class.path
  
  @param className class name as retrieved in myObject.getClass().getName()
  @return a File if the class file was found or null otherwise