17                 if (args.length != 2) {
 
   18                         throw new ValueExprEvaluationException(getURI() + 
" requires exactly 1 arguments, got " + args.length);
 
   21                 String input=args[0].stringValue();
 
   22                 Integer srid = Integer.valueOf(args[1].stringValue());
 
   23                 LiteralType l=LiteralRegistry.getLiteral(((Literal)args[0]).getDatatype().toString());
 
   24                 if(l instanceof VectorLiteral) {
 
   26                         return valueFactory.createLiteral(((VectorLiteral) l).unparse(result),((Literal)args[0]).getDatatype());
 
   28                 throw new ValueExprEvaluationException(
"Arguments given are not geometry literals");
 
abstract Geometry construct(String input, Integer srid)