code: public String getPassKey(String uri) {
  		Iterator iter = uriMappings.keySet().iterator();
  
          while (iter.hasNext()) {
          	String passKey = (String) iter.next();
          	if(antPathMather.match((String)uriMappings.get(passKey), uri)) {
          		return passKey;
          	}
          }
  
          return null;
  	}
docs: {@inheritDoc}