+
+ public static boolean boolval(String val) {
+ val = val.trim().toLowerCase();
+ if(val.equals("1") || val.equals("on") || val.equals("true") || val.equals("yes") || val.equals("\u22a4"))
+ return(true);
+ if(val.equals("0") || val.equals("off") || val.equals("false") || val.equals("no") || val.equals("\u22a5"))
+ return(false);
+ throw(new IllegalArgumentException("value not recognized as boolean: " + val));
+ }