code: protected String[] getSpringConfigLocations() {
  		String[] locations = getStandardConfigLocations();
  		for (int i = 0; i < locations.length; i++) {
  			String extension = StringUtils.getFilenameExtension(locations[i]);
  			locations[i] = locations[i].substring(0,
  					locations[i].length() - extension.length() - 1) + "-spring."
  					+ extension;
  		}
  		return locations;
  	}
docs: Return the spring config locations for this system. By default this method returns
  a set of locations based on {@link #getStandardConfigLocations()}.
  @return the spring config locations
  @see #getSpringInitializationConfig()