code: public String getOnColor() {
  		String value = (String) getStateHelper().eval(PropertyKeys.onColor);
  		return value;
  	}
docs: Color of the left hand side of the switch. Legal values: 'primary',
  'info', 'success', 'warning', 'danger', 'default'. Default value:
  'primary'.
  <P>
  
  @return Returns the value of the attribute, or null, if it hasn't been
  set by the JSF file.