code: public static String getString(String key, Object... params) {
  		final Class<?> resource = detectResourceClass(null);
  		return getString(ClassLoaderFinder.findClassLoader(), resource, key, params);
  	}
docs: Replies the text that corresponds to the specified resource.
  
  <p>This function assumes the classname of the caller as the
  resource provider.
  
  @param key is the name of the resource into the specified file
  @param params is the the list of parameters which will
  replaces the <code>#1</code>, <code>#2</code>... into the string.
  @return the text that corresponds to the specified resource