public OpenIdPrompt(String prompt){
  originalValue=prompt;
  if (isEmpty(prompt)) {
    prompts=Collections.emptySet();
  }
 else {
    prompts=stringToSet(prompt.toLowerCase());
  }
}

public OpenIdPrompt ( String prompt ) { originalValue = prompt ; if ( isEmpty ( prompt ) ) { prompts = Collections . emptySet ( ) ; } else { prompts = stringToSet ( prompt . toLowerCase ( ) ) ; } }
constructs a new openidprompt instance from the given prompt string . < br / > parses the prompt string ( converted to lowercase ) by splitting on the ' ' character .
