Method addAttribute has 6 arguments (exceeds 4 allowed). Consider refactoring.

Open

    private void addAttribute(ComponentInfo compInfo, Namespace attrns, String name, String value, ConditionImpl cond,
            org.zkoss.xml.Locator xl) throws Exception {

Avoid deeply nested control flow statements.

Open

                        if (cc == ',') {
                            sb.append(cc);
                            modifiedCommandPropertySb.append(modifyAttrValueIfSimplified0(nm, sb.toString().trim(), paramIndex, isNamedParam));
                            if (paramIndex != 0 && !isNamedParam && nm != null) { // named param and un-named parameters together
                                throwCommandSimplifiedErrorUsage();

Method updateSubBindingAnnotationCount has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    @Override
    protected void updateSubBindingAnnotationCount(int diff) {
        for (AbstractComponent node = this; node != null;) {
            setSubBindingAnnotationCount(diff, node);
            AbstractComponent p = (AbstractComponent) node.getParent();

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Method isShadowElement has 6 arguments (exceeds 4 allowed). Consider refactoring.

Open

    private static final boolean isShadowElement(LanguageDefinition langdef, PageDefinition pgdef, String nm,
            String pref, String uri, boolean bNativeContent) {

Avoid deeply nested control flow statements.

Open

                            if (langnm.substring(0, j).equals(name))
                                return me.getValue();

Avoid deeply nested control flow statements.

Open

                                if (nsParser.isMatched(attURI)) {
                                    if (nsParser.parse(attr, compInfo, pgdef)) {
                                        handled = true;
                                        break;
                                    }

Method getComposer has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    public static Composer getComposer(Component comp) {
        if (comp != null) {
            Object onm = comp.getAttribute("composerName");
            if (onm instanceof String && ((String) onm).length() > 0) {
                return (Composer) comp.getAttribute((String) onm);

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Method applyAttrAnnot has 6 arguments (exceeds 4 allowed). Consider refactoring.

Open

    private static void applyAttrAnnot(AnnotationHelper attrAnnHelper, ComponentInfo compInfo, String nm, String val,
            boolean selfAllowed, org.zkoss.util.resource.Location loc) {

Avoid deeply nested control flow statements.

Open

                        if (tis.isEmpty()) { //no more event
                            _auxinf.forwards.remove(orgEvent);
                            removeEventListener(orgEvent, info.listener);
                        }

Avoid deeply nested control flow statements.

Open

                            if (val == null)
                                continue; //don't use it in clone

Avoid deeply nested control flow statements.

Open

                            if (shadowHost.getParent() != null) {
                                return ((AbstractComponent) shadowHost.getParent()).getShadowVariable0(shadowHost, name,
                                        recurse);
                            }

Method setMold has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    public void setMold(String mold) {
        if (mold != null && (DEFAULT.equals(mold) || mold.length() == 0))
            mold = null;
        if (!Objects.equals(_auxinf != null ? _auxinf.mold : DEFAULT, mold)) {
            if (!_def.hasMold(mold != null ? mold : DEFAULT))

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Avoid deeply nested control flow statements.

Open

                        if (desktop != null) {
                            onListenerChange(desktop, false);

                            if (getClientEvents().containsKey(evtnm)) {
                                if (lis.isEmpty() && !Events.isListened(this, evtnm, false))

Method checkIdSpacesDown has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    private static void checkIdSpacesDown(Component comp, IdSpace owner) {
        final String compId = comp.getId();
        if (!(comp instanceof NonFellow) && !isAutoId(compId)
                && (owner instanceof Component
                        ? ((AbstractComponent) owner)._auxinf.spaceInfo.fellows.containsKey(compId)

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Method setWidgetListener has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    public String setWidgetListener(String evtnm, String script) {
        if (evtnm == null)
            throw new IllegalArgumentException();

        final String old;

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Method service has 6 arguments (exceeds 4 allowed). Consider refactoring.

Open

    /*package*/ void service(Event event, Scope scope, final List<EventListenerInfo> listeners,
            final EventHandler evthd, final Method mtd, boolean skipPageListener) throws Exception {

Avoid deeply nested control flow statements.

Open

                        if (lis.isEmpty())
                            _auxinf.listeners.remove(evtnm);

Method setWidgetOverride has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    public String setWidgetOverride(String name, String script) {
        if (name == null)
            throw new IllegalArgumentException();

        final String old;

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Avoid deeply nested control flow statements.

Open

                        if (li.priority == priority)
                            return false; //nothing to do

Avoid deeply nested control flow statements.

Open

                        if (!keyWritten) {
                            keyWritten = true;
                            s.writeObject(me.getKey());
                        }