private void requiredParameter(String value, String name, String description)
    throws WebApplicationException
  {
    if (value == null)
    {
      throw new WebApplicationException(
        Response.status(Response.Status.BAD_REQUEST).type(
        MediaType.TEXT_PLAIN).entity(
        "missing required parameter '" + name + "' (" + description + ")").
        build());
    }
  }
private void requiredParameter ( String value , String name , String description ) throws WebApplicationException { if ( value == null ) { throw new WebApplicationException ( Response . status ( Response . Status . BAD_REQUEST ) . type ( MediaType . TEXT_PLAIN ) . entity ( "missing required parameter '" + name + "' (" + description + ")" ) . build ( ) ) ; } }
Throw an exception if the parameter is missing.

@param value Value which is checked for null.
@param name The short name of parameter.
@param description A one line description of the meaing of the parameter.