code: public int getBlastGapCreation() {
  		String gapCosts = getAlignmentOption(GAPCOSTS);
  		try {
  			String gapCreation = gapCosts.split("\\+")[0];
  			return Integer.parseInt(gapCreation);
  		} catch (Exception e) {
  			return -1;
  		}
  	}
docs: Returns the value for the GAP_CREATION parameter (first half of GAPCOSTS parameter)
  
  @return an integer value for gap creation used by this search, -1 if not set or not a number