286                 // fixed to handle the bad syntax, but the fallback is
 287                 // to handle the exception here. Uncaught, the exception can cause
 288                 // problems like RT-20311
 289                 reportException(ex);
 290             }
 291             stylesheet.getRules().addAll(rules);
 292         }
 293 
 294         // don't retain reference to the styleable
 295         setInputSource((Styleable) null);
 296 
 297         return stylesheet;
 298     }
 299 
 300     /**
 301      * Convenience method for unit tests.
 302      * @param property the property
 303      * @param expr the expression
 304      * @return the parsed value
 305      */
 306     public ParsedValue parseExpr(String property, String expr) {
 307         if (property == null || expr == null) return null;
 308 
 309         ParsedValueImpl value = null;
 310         setInputSource(null, property + ": " + expr);
 311         char buf[] = new char[expr.length() + 1];
 312         System.arraycopy(expr.toCharArray(), 0, buf, 0, expr.length());
 313         buf[buf.length-1] = ';';
 314 
 315         try (Reader reader = new CharArrayReader(buf)) {
 316             CssLexer lex = new CssLexer();
 317             lex.setReader(reader);
 318 
 319             currentToken = nextToken(lex);
 320             CssParser.Term term = this.expr(lex);
 321             value = valueFor(property, term, lex);
 322         } catch (IOException ioe) {
 323         } catch (ParseException e) {
 324             if (LOGGER.isLoggable(Level.WARNING)) {
 325                 LOGGER.warning("\"" +property + ": " + expr  + "\" " + e.toString());
 326             }

 286                 // fixed to handle the bad syntax, but the fallback is
 287                 // to handle the exception here. Uncaught, the exception can cause
 288                 // problems like RT-20311
 289                 reportException(ex);
 290             }
 291             stylesheet.getRules().addAll(rules);
 292         }
 293 
 294         // don't retain reference to the styleable
 295         setInputSource((Styleable) null);
 296 
 297         return stylesheet;
 298     }
 299 
 300     /**
 301      * Convenience method for unit tests.
 302      * @param property the property
 303      * @param expr the expression
 304      * @return the parsed value
 305      */
 306     ParsedValue parseExpr(String property, String expr) {
 307         if (property == null || expr == null) return null;
 308 
 309         ParsedValueImpl value = null;
 310         setInputSource(null, property + ": " + expr);
 311         char buf[] = new char[expr.length() + 1];
 312         System.arraycopy(expr.toCharArray(), 0, buf, 0, expr.length());
 313         buf[buf.length-1] = ';';
 314 
 315         try (Reader reader = new CharArrayReader(buf)) {
 316             CssLexer lex = new CssLexer();
 317             lex.setReader(reader);
 318 
 319             currentToken = nextToken(lex);
 320             CssParser.Term term = this.expr(lex);
 321             value = valueFor(property, term, lex);
 322         } catch (IOException ioe) {
 323         } catch (ParseException e) {
 324             if (LOGGER.isLoggable(Level.WARNING)) {
 325                 LOGGER.warning("\"" +property + ": " + expr  + "\" " + e.toString());
 326             }