code: @Override
  	public void setConfig(JawrConfig config) {
  
  		super.setConfig(config);
  		String value = this.config.getProperty(SASS_GENERATOR_URL_MODE, SASS_GENERATOR_DEFAULT_URL_MODE);
  		if (!value.equalsIgnoreCase(SASS_GENERATOR_ABSOLUTE_URL_MODE)
  				&& !value.equalsIgnoreCase(SASS_GENERATOR_RELATIVE_URL_MODE)) {
  			throw new BundlingProcessException("The value '" + value + "' is not allowed for '"
  					+ SASS_GENERATOR_URL_MODE + "' in the Sass Ruby generator");
  		}
  		useAbsoluteURL = value.equalsIgnoreCase(SASS_GENERATOR_ABSOLUTE_URL_MODE);
  	}
docs: /*
  (non-Javadoc)
  
  @see
  net.jawr.web.resource.bundle.generator.AbstractCachedGenerator#setConfig(
  net.jawr.web.config.JawrConfig)