protected void renderOutcomeLinkStart()

in impl/src/main/java/org/apache/myfaces/renderkit/html/base/HtmlLinkRendererBase.java [908:1069]
152 lines of code
20 McCabe index (conditional complexity)

    protected void renderOutcomeLinkStart(FacesContext facesContext, UIOutcomeTarget output)
            throws IOException
    {
        ResponseWriter writer = facesContext.getResponseWriter();
        Map<String, List<ClientBehavior>> behaviors = null;
        
        //calculate href
        String targetHref = HtmlRendererUtils.getOutcomeTargetHref(facesContext, output);
        
        if (HtmlRendererUtils.isDisabled(output) || targetHref == null)
        {
            //output.getAttributes().put(END_LINK_OUTCOME_AS_SPAN, Boolean.TRUE);
            //Note one h:link cannot have a nested h:link as a child, so it is safe
            //to just put this flag on FacesContext attribute map
            facesContext.getAttributes().put(END_LINK_OUTCOME_AS_SPAN, Boolean.TRUE);
            writer.startElement(HTML.SPAN_ELEM, output);
            if (output instanceof ClientBehaviorHolder holder)
            {
                behaviors = holder.getClientBehaviors();
                if (!behaviors.isEmpty())
                {
                    HtmlRendererUtils.writeIdAndName(writer, output, facesContext);
                }
                else
                {
                    HtmlRendererUtils.writeIdIfNecessary(writer, output, facesContext);
                }
                long commonPropertiesMarked = 0L;
                if (isCommonPropertiesOptimizationEnabled(facesContext))
                {
                    commonPropertiesMarked = CommonHtmlAttributesUtil.getMarkedAttributes(output);
                }
                if (behaviors.isEmpty() && isCommonPropertiesOptimizationEnabled(facesContext))
                {
                    CommonHtmlAttributesUtil.renderEventProperties(writer, 
                            commonPropertiesMarked, output);
                    CommonHtmlAttributesUtil.renderFocusBlurEventProperties(writer,
                            commonPropertiesMarked, output);
                }
                else
                {
                    if (isCommonEventsOptimizationEnabled(facesContext))
                    {
                        long commonEventsMarked = CommonHtmlEventsUtil.getMarkedEvents(output);
                        CommonHtmlEventsUtil.renderBehaviorizedEventHandlers(facesContext, writer, 
                                commonPropertiesMarked, commonEventsMarked, output, behaviors);
                        CommonHtmlEventsUtil.renderBehaviorizedFieldEventHandlersWithoutOnchangeAndOnselect(
                            facesContext, writer, commonPropertiesMarked, commonEventsMarked, output, behaviors);
                    }
                    else
                    {
                        HtmlRendererUtils.renderBehaviorizedEventHandlers(facesContext, writer, output, behaviors);
                        HtmlRendererUtils.renderBehaviorizedFieldEventHandlersWithoutOnchangeAndOnselect(
                                facesContext, writer, output, behaviors);
                    }
                }
                if (isCommonPropertiesOptimizationEnabled(facesContext))
                {
                    CommonHtmlAttributesUtil.renderAnchorPassthroughPropertiesDisabledWithoutEvents(writer, 
                            commonPropertiesMarked, output);
                }
                else
                {
                    HtmlRendererUtils.renderHTMLAttributes(writer, output, 
                            HTML.ANCHOR_PASSTHROUGH_ATTRIBUTES_DISABLED_WITHOUT_EVENTS);
                }
            }
            else
            {
                HtmlRendererUtils.writeIdIfNecessary(writer, output, facesContext);
                if (isCommonPropertiesOptimizationEnabled(facesContext))
                {
                    CommonHtmlAttributesUtil.renderAnchorPassthroughPropertiesDisabled(writer, 
                            CommonHtmlAttributesUtil.getMarkedAttributes(output), output);
                }
                else
                {
                    HtmlRendererUtils.renderHTMLAttributes(writer, output, HTML.ANCHOR_PASSTHROUGH_ATTRIBUTES_DISABLED);
                }
            }

            Object value = output.getValue();

            if(value != null)
            {
                writer.writeText(value.toString(), ComponentAttrs.VALUE_ATTR);
            }
        }
        else
        {
            //write anchor
            writer.startElement(HTML.ANCHOR_ELEM, output);
            writer.writeURIAttribute(HTML.HREF_ATTR, targetHref, null);
            if (output instanceof ClientBehaviorHolder holder)
            {
                behaviors = holder.getClientBehaviors();
                if (!behaviors.isEmpty())
                {
                    HtmlRendererUtils.writeIdAndName(writer, output, facesContext);
                }
                else
                {
                    HtmlRendererUtils.writeIdAndNameIfNecessary(writer, output, facesContext);
                }
                long commonPropertiesMarked = 0L;
                if (isCommonPropertiesOptimizationEnabled(facesContext))
                {
                    commonPropertiesMarked = CommonHtmlAttributesUtil.getMarkedAttributes(output);
                }
                if (behaviors.isEmpty() && isCommonPropertiesOptimizationEnabled(facesContext))
                {
                    CommonHtmlAttributesUtil.renderEventProperties(writer, 
                            commonPropertiesMarked, output);
                    CommonHtmlAttributesUtil.renderFocusBlurEventProperties(writer,
                            commonPropertiesMarked, output);
                }
                else
                {
                    if (isCommonEventsOptimizationEnabled(facesContext))
                    {
                        long commonEventsMarked = CommonHtmlEventsUtil.getMarkedEvents(output);
                        CommonHtmlEventsUtil.renderBehaviorizedEventHandlers(facesContext, writer, 
                                commonPropertiesMarked, commonEventsMarked, output, behaviors);
                        CommonHtmlEventsUtil.renderBehaviorizedFieldEventHandlersWithoutOnchangeAndOnselect(
                            facesContext, writer, commonPropertiesMarked, commonEventsMarked, output, behaviors);
                    }
                    else
                    {
                        HtmlRendererUtils.renderBehaviorizedEventHandlers(facesContext, writer, output, behaviors);
                        HtmlRendererUtils.renderBehaviorizedFieldEventHandlersWithoutOnchangeAndOnselect(
                                facesContext, writer, output, behaviors);
                    }
                }
                if (isCommonPropertiesOptimizationEnabled(facesContext))
                {
                    CommonHtmlAttributesUtil.renderAnchorPassthroughPropertiesWithoutEvents(writer, 
                            commonPropertiesMarked, output);
                }
                else
                {
                    HtmlRendererUtils.renderHTMLAttributes(writer, output, 
                            HTML.ANCHOR_PASSTHROUGH_ATTRIBUTES_WITHOUT_EVENTS);
                }
            }
            else
            {
                HtmlRendererUtils.writeIdAndNameIfNecessary(writer, output, facesContext);
                if (isCommonPropertiesOptimizationEnabled(facesContext))
                {
                    CommonHtmlAttributesUtil.renderAnchorPassthroughProperties(writer, 
                            CommonHtmlAttributesUtil.getMarkedAttributes(output), output);
                }
                else
                {
                    HtmlRendererUtils.renderHTMLAttributes(writer, output, 
                            HTML.ANCHOR_PASSTHROUGH_ATTRIBUTES);
                }
            }

            writer.flush();
        }
    }