public static String escapeMessageParameter(final String messageParameter) {
    if (messageParameter == null) {
      return null;
    }
    return ESCAPE_MESSAGE_PARAMETER_PATTERN.replace(messageParameter,
        String.valueOf(ESCAPE_CHARACTER) + "$1"); // NOPMD
  }
public static String escapeMessageParameter ( final String messageParameter ) { if ( messageParameter == null ) { return null ; } return ESCAPE_MESSAGE_PARAMETER_PATTERN . replace ( messageParameter , String . valueOf ( ESCAPE_CHARACTER ) + "$1" ) ; }
escape message parameter.

@param messageParameter parameter to escape
@return escaped string