code: private boolean isPresentIn(String[] values, String field){
  		for (String value : values)
  			if(value.equalsIgnoreCase(JMapConversion.ALL) || value.equals(field))
  				return true;
  		
  		return false;
  	}
docs: Returns true if the field name is contained in the values array, false otherwise.
  @param values array of values
  @param field field name to check
  @return true if the field name is contained in the values array, false otherwise