empire-db-jakarta-faces/src/main/java/org/apache/empire/jakarta/components/LinkTag.java [51:174]:
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public class LinkTag extends UIOutput // implements NamingContainer
{
    // or HtmlOutcomeTargetLink
    // or HtmlOutputLink
    // or rather extend UIOutcomeTarget ?

    /*
    <h:link value="#{msg.menu_bookinglist}"
            outcome="/pages/bookings/bookingList.xhtml?faces-redirect=true" >
        <f:param name="action" value="doInit"/>
    </h:link>
     */

    // Logger
    private static final Logger log = LoggerFactory.getLogger(LinkTag.class);
    
    protected final TagEncodingHelper helper = TagEncodingHelperFactory.create(this, TagStyleClass.LINK.get());

    public final static String SPAN_ELEM = "span";
    
    private boolean creatingComponents = false;
    
    private boolean encodeLinkChildren = false;
    
    private String disabledTagName;
    
    public LinkTag()
    {
        log.trace("component link created");
    }

    @Override
    public String getFamily()
    {
        return UINamingContainer.COMPONENT_FAMILY; 
    }
    
    /**
     * remember original clientId
     * necessary only inside UIData
     */
    private String treeClientId = null;
    
    @Override
    public void setId(String id) 
    {   // empty?
        if(StringUtils.isEmpty(id))
        {   // Generate unique id
            Object page = getAttributes().get("page");
            String outcome = StringUtils.toString(page);
            if (StringUtils.isEmpty(outcome))
                throw new InvalidPropertyException("page", page);
            ParameterMap pm = FacesUtils.getParameterMap(FacesUtils.getContext());
            id = pm.encodeString(outcome);
        }
        // set
        super.setId(id);
    }
    
    @Override
    public boolean visitTree(VisitContext visitContext, VisitCallback callback) 
    {
        FacesContext context = visitContext.getFacesContext();
        treeClientId = this.getClientId(context);
        return super.visitTree(visitContext, callback);
    }

    @Override
    public String getClientId(FacesContext context)
    {
        // Check if dynamic components are being created
        if (this.treeClientId!=null && this.creatingComponents)
        {   // return the original tree client id
            return treeClientId; 
        }
        // default behavior
        return super.getClientId(context);
    }

    @Override
    public void encodeBegin(FacesContext context)
        throws IOException
    {
        // add label and input components when the view is loaded for the first time
        super.encodeBegin(context);
        
        // begin
        helper.encodeBegin();
        if (isLinkDisabled())
        {   // render disabled
            ResponseWriter writer = context.getResponseWriter();
            Object linkValue = getLinkValue(helper.hasColumn());
            this.disabledTagName = writeStartElement(writer);
            this.encodeLinkChildren = isEncodeLinkChildren(linkValue); 
            if (!encodeLinkChildren)
            {   writer.write(StringUtils.toString(linkValue, ""));
                writer.endElement(this.disabledTagName);
            }
        }
        else
        {   // Add component
            HtmlOutcomeTargetLink linkComponent = null;
            if (getChildCount() > 0)
            {
                UIComponent c = getChildren().get(0);
                if (c instanceof HtmlOutcomeTargetLink)
                {   // reuse
                    linkComponent = (HtmlOutcomeTargetLink)c;
                    helper.restoreComponentId(linkComponent);
                    // check image
                    if (linkComponent.getChildCount()>0)
                    {   // Check HtmlGraphicImage
                        int last = linkComponent.getChildCount()-1;
                        UIComponent lcc = linkComponent.getChildren().get(last);
                        if (lcc instanceof HtmlGraphicImage)
                            helper.restoreComponentId(lcc);
                    }
                }
                else
                {   // Something's wrong here?
                    log.info("INFO: Unexpected child node for {}! Child item type is {}.", getClass().getName(), c.getClass().getName());
                    // Check facetComponent
                    UIPanel facetComponent = (UIPanel)getFacets().get(UIComponent.COMPOSITE_FACET_NAME);
                    if (facetComponent==null)
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empire-db-jsf2/src/main/java/org/apache/empire/jsf2/components/LinkTag.java [51:174]:
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public class LinkTag extends UIOutput // implements NamingContainer
{
    // or HtmlOutcomeTargetLink
    // or HtmlOutputLink
    // or rather extend UIOutcomeTarget ?

    /*
    <h:link value="#{msg.menu_bookinglist}"
            outcome="/pages/bookings/bookingList.xhtml?faces-redirect=true" >
        <f:param name="action" value="doInit"/>
    </h:link>
     */

    // Logger
    private static final Logger log = LoggerFactory.getLogger(LinkTag.class);
    
    protected final TagEncodingHelper helper = TagEncodingHelperFactory.create(this, TagStyleClass.LINK.get());

    public final static String SPAN_ELEM = "span";
    
    private boolean creatingComponents = false;
    
    private boolean encodeLinkChildren = false;
    
    private String disabledTagName;
    
    public LinkTag()
    {
        log.trace("component link created");
    }

    @Override
    public String getFamily()
    {
        return UINamingContainer.COMPONENT_FAMILY; 
    }
    
    /**
     * remember original clientId
     * necessary only inside UIData
     */
    private String treeClientId = null;
    
    @Override
    public void setId(String id) 
    {   // empty?
        if(StringUtils.isEmpty(id))
        {   // Generate unique id
            Object page = getAttributes().get("page");
            String outcome = StringUtils.toString(page);
            if (StringUtils.isEmpty(outcome))
                throw new InvalidPropertyException("page", page);
            ParameterMap pm = FacesUtils.getParameterMap(FacesUtils.getContext());
            id = pm.encodeString(outcome);
        }
        // set
        super.setId(id);
    }
    
    @Override
    public boolean visitTree(VisitContext visitContext, VisitCallback callback) 
    {
        FacesContext context = visitContext.getFacesContext();
        treeClientId = this.getClientId(context);
        return super.visitTree(visitContext, callback);
    }

    @Override
    public String getClientId(FacesContext context)
    {
        // Check if dynamic components are being created
        if (this.treeClientId!=null && this.creatingComponents)
        {   // return the original tree client id
            return treeClientId; 
        }
        // default behavior
        return super.getClientId(context);
    }

    @Override
    public void encodeBegin(FacesContext context)
        throws IOException
    {
        // add label and input components when the view is loaded for the first time
        super.encodeBegin(context);
        
        // begin
        helper.encodeBegin();
        if (isLinkDisabled())
        {   // render disabled
            ResponseWriter writer = context.getResponseWriter();
            Object linkValue = getLinkValue(helper.hasColumn());
            this.disabledTagName = writeStartElement(writer);
            this.encodeLinkChildren = isEncodeLinkChildren(linkValue); 
            if (!encodeLinkChildren)
            {   writer.write(StringUtils.toString(linkValue, ""));
                writer.endElement(this.disabledTagName);
            }
        }
        else
        {   // Add component
            HtmlOutcomeTargetLink linkComponent = null;
            if (getChildCount() > 0)
            {
                UIComponent c = getChildren().get(0);
                if (c instanceof HtmlOutcomeTargetLink)
                {   // reuse
                    linkComponent = (HtmlOutcomeTargetLink)c;
                    helper.restoreComponentId(linkComponent);
                    // check image
                    if (linkComponent.getChildCount()>0)
                    {   // Check HtmlGraphicImage
                        int last = linkComponent.getChildCount()-1;
                        UIComponent lcc = linkComponent.getChildren().get(last);
                        if (lcc instanceof HtmlGraphicImage)
                            helper.restoreComponentId(lcc);
                    }
                }
                else
                {   // Something's wrong here?
                    log.info("INFO: Unexpected child node for {}! Child item type is {}.", getClass().getName(), c.getClass().getName());
                    // Check facetComponent
                    UIPanel facetComponent = (UIPanel)getFacets().get(UIComponent.COMPOSITE_FACET_NAME);
                    if (facetComponent==null)
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