public void syncOptions()

in empire-db-jsf2/src/main/java/org/apache/empire/jsf2/controls/RadioInputControl.java [197:253]
52 lines of code
14 McCabe index (conditional complexity)

    public void syncOptions(HtmlSelectOneRadio input, TextResolver textResolver, Options options, boolean hasEmpty, String nullText)
    {
        // Compare child-items with options
        Iterator<OptionEntry> ioe = options.iterator();
        OptionEntry oe = (ioe.hasNext() ? ioe.next() : null);
        List<UIComponent> childList = input.getChildren();
        Iterator<UIComponent> ico = childList.iterator();
        int lastIndex = 0;
        while (ico.hasNext())
        {
            lastIndex++;
            UIComponent co = ico.next();
            if (!(co instanceof UISelectItem))
            {
                continue;
            }
            UISelectItem si = (UISelectItem) co;
            Object ov = si.getItemValue();
            if (ObjectUtils.isEmpty(ov) && hasEmpty)
            {
                continue;
            }
            if (oe == null)
            { // remove obsolete items
                lastIndex--;
                for (int index = childList.size() - 1; index >= lastIndex; index--)
                {
                    childList.remove(index);
                }
                // done
                return;
            }
            if (ObjectUtils.compareEqual(ov, oe.getValue()))
            { // next
                oe = (ioe.hasNext() ? ioe.next() : null);
                continue;
            }
            // Not equal - do a full reload
            input.getChildren().clear();
            if (hasEmpty)
            {
                addSelectItem(input, textResolver, new OptionEntry("", nullText));
            }
            for (OptionEntry e : options)
            { // Option entries
                addSelectItem(input, textResolver, e);
            }
            // done
            return;
        }
        // Are there any items left?
        while (oe != null)
        { // add missing item
            addSelectItem(input, textResolver, oe);
            oe = (ioe.hasNext() ? ioe.next() : null);
        }
    }