public HtmlOutputLabel createLabelComponent()

in empire-db-jsf2/src/main/java/org/apache/empire/jsf2/utils/TagEncodingHelper.java [1549:1645]
76 lines of code
20 McCabe index (conditional complexity)

    public HtmlOutputLabel createLabelComponent(FacesContext context, String forInput, String styleClass, String style, boolean colon)
    {
        Column column = null;
        boolean readOnly=false;
        boolean required=false;
        // forInput provided
        if (StringUtils.isNotEmpty(forInput))
        {   // find the component
            if (!forInput.equals("*"))
            {   // Set Label input Id
                UIComponent input = FacesUtils.getWebApplication().findComponent(context, forInput, component);
                if (input!=null && (input instanceof InputTag))
                {   // Check Read-Only
                    InputTag inputTag = ((InputTag)input);
                    column = inputTag.getInputColumn();
                    readOnly = inputTag.isInputReadOnly();
                    required = inputTag.isInputRequired();
                }
                else
                {   // Not found (<e:input id="ABC"...> must match <e:label for="ABC"...>
                    log.warn("Input component {} not found for label {}.", forInput, getColumn().getName());
                }                
            }
            else if (component instanceof LabelTag)
            {   // for LabelTag
                forInput = this.getColumnName();
                // readOnly
                Object val = getAttributeValueEx("readOnly");
                if (val!=null)
                    readOnly = ObjectUtils.getBoolean(val);
                else 
                    readOnly = this.isReadOnly();
            }
            else 
            {   // for ControlTag
                readOnly = this.isReadOnly();
            }
        }
        
        // Column provided?
        if (column==null)
        {   // Get from LinkTag
            column = getColumn();
            required = !readOnly && isValueRequired(); // does only check Attribute
        }
            
        // Check column
        if (column==null)
            throw new InvalidArgumentException("column", column);

        // create label now
        HtmlOutputLabel label = InputControlManager.createComponent(context, InputControlManager.getLabelComponentClass());
        
        // value
        String labelText = getLabelValue(column, colon);
        if (StringUtils.isEmpty(labelText))
            label.setRendered(false);
        else
            label.setValue(labelText);

        // styleClass
        if (StringUtils.isNotEmpty(styleClass))
            label.setStyleClass(completeLabelStyleClass(styleClass, required));
        
        // for 
        if (StringUtils.isNotEmpty(forInput) && !readOnly)
        {   // Set Label input Id
            InputControl.InputInfo ii = getInputInfo(context);
            String inputId = getInputControl().getLabelForId(ii);
            if (StringUtils.isNotEmpty(inputId))
            {   // input_id was given
                if (forInput.equals("*"))
                    label.setFor(inputId);
                else
                    label.setFor(forInput+":"+inputId);
            }
            else
            {   // No input-id available
                log.info("No input-id provided for {}.", getColumn().getName());
            }    
        }    

        // style
        if (StringUtils.isNotEmpty(style))
            label.setStyle(style);

        // title
        String title = getLabelTooltip(column);
        if (title!=null)
            label.setTitle(title);
        
        // required
        if (required && InputControlManager.isShowLabelRequiredMark())
            addRequiredMark(label);

        return label;
    }