Examples of javax.faces.webapp.UIComponentClassicTagBase

javax.faces.webapp.UIComponentClassicTagBase
UIComponentTagBase is the base class for all JSP tags that use the "classic" JSP tag interface that correspond to a {@link javax.faces.component.UIComponent} instance inthe view. In Faces 1.2, all component tags are BodyTag instances to allow for the execution of the page to build the component tree, but not render it. Rendering happens only after the component tree is completely built.

{@link UIComponentTag} extendsUIComponentClassicTagBase to add support for properties that conform to the Faces 1.1 EL.

{@link UIComponentELTag} extendsUIComponentClassicTagBase class to add support for properties that conform to the EL API.

The default implementation allows the proper interweaving of template text, non-Faces JSP tag output, and Faces component tag output in the same page, as expected by the page author.

The CASE markers in the following example will be cited in the method descriptions of this class.
- CASE 1 describes template text and/or non-component custom tag output occurring as the child of a component tag, but before the first component tag child of that component tag.
- CASE 2 describes template text and/or non-component custom tag output occurring between two sibling component tags.
- CASE 3 describes template text and/or non-component custom tag output occurring as the child content of an <f:verbatim> tag at any point in the page.
- CASE 4 describes template text and/or non-component custom tag output occurring between the last child component tag and its enclosing parent component tag's end tag.
<h:panelGrid style="color:red" border="4" columns="2"> CASE 1 <h:outputText value="component 1"/> CASE 2 <h:outputText value="component 2"/> <f:verbatim>CASE 3</f:verbatim> <c:out value="${pageScope.CASE4}" /> </h:panelGrid>
The preceding arrangement of faces component tags, must yield markup that will render identically to the following (assuming that ${pageScope.CASE4} evaluates to "CASE 4" without the quotes).
<table border="4" style="color:red"> <tbody> <tr><td>CASE 1</td></tr> <tr><td>component 1</td></tr> <tr><td>CASE 2</td> <tr><td>component 2</td></tr> <tr><td>CASE 3</td> <td>CASE 4</td></tr> </tbody> </table>

     * @throws JspException if a JSP error occurs
     */
    public int doStartTag() throws JspException {


        // Locate our parent UIComponentTag
        UIComponentClassicTagBase tag =
             UIComponentClassicTagBase.getParentUIComponentClassicTagBase(pageContext);
        if (tag == null) {
            //  Object[] params = {this.getClass().getName()};
            // PENDING(rogerk): do something with params
            throw new JspException(
                 MessageUtils.getExceptionMessageString(
                      MessageUtils.NOT_NESTED_IN_FACES_TAG_ERROR_MESSAGE_ID));
        }


        // Nothing to do unless this tag created a component
        if (!tag.getCreated()) {
            return (SKIP_BODY);
        }


        UIComponent component = tag.getComponentInstance();
        if (component == null) {
            throw new JspException(
                 MessageUtils.getExceptionMessageString(MessageUtils.NULL_COMPONENT_ERROR_MESSAGE_ID));
        }
        if (!(component instanceof EditableValueHolder)) {

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     * @throws JspException if a JSP error occurs
     */
    public int doStartTag() throws JspException {


        // Locate our parent UIComponentTag
        UIComponentClassicTagBase tag =
             UIComponentClassicTagBase.getParentUIComponentClassicTagBase(pageContext);
        if (tag == null) {
            Object params[] = {this.getClass().getName()};
            throw new JspException(
                 MessageUtils.getExceptionMessageString(
                      MessageUtils.NOT_NESTED_IN_FACES_TAG_ERROR_MESSAGE_ID, params));
        }


        // Nothing to do unless this tag created a component
        if (!tag.getCreated()) {
            return (SKIP_BODY);
        }


        UIComponent component = tag.getComponentInstance();
        if (component == null) {
            throw new JspException(
                 MessageUtils.getExceptionMessageString(MessageUtils.NULL_COMPONENT_ERROR_MESSAGE_ID));
        }
        if (!(component instanceof ActionSource)) {

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              .isOptionEnabled
                    (BooleanWebContextInitParameter.EnableLoadBundle11Compatibility)) {
            // the UIComponent that wraps the Map
            UIComponent bundleComponent =
                  createNewLoadBundleComponent(var, toStore);
            UIComponentClassicTagBase parentTag = getParentUIComponentTag();


            // Is this loadBundle tag instance outside of <f:view>?
            if (null == parentTag) {
                // Yes.  Store the bundleComponent in a list so the <f:view> tag
                // can add the list contents as the first children.

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        Tag parent = this.getParent();
        while (null != parent && 
                (!(parent instanceof UIComponentClassicTagBase))) {
            parent = this.getParent();
        }
        UIComponentClassicTagBase result = (UIComponentClassicTagBase) parent;
        
        // Check for case where the <f:loadBundle> is inside of an included page,
        // but outside of the <f:subview> for that page.  This can happen
        // either when the <f:subview> is in the includING page *OR* when
        // the <f:subview> is in the includED page, yet the <f:loadBundle> is

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     * @exception JspException if a JSP error occurs
     */
    public int doStartTag() throws JspException {


        // Locate our parent UIComponentTagBase
        UIComponentClassicTagBase tag =
            UIComponentELTag.getParentUIComponentClassicTagBase(pageContext);
        if (tag == null) {
          String message = MessageUtils.getExceptionMessageString
          (MessageUtils.NOT_NESTED_IN_UICOMPONENT_TAG_ERROR_MESSAGE_ID);
          throw new JspException(message);
        }
        
        // Add this attribute if it is not already defined
        UIComponent component = tag.getComponentInstance();
        if (component == null) {
          String message = MessageUtils.getExceptionMessageString
          (MessageUtils.NO_COMPONENT_ASSOCIATED_WITH_UICOMPONENT_TAG_MESSAGE_ID);
          throw new JspException(message);
        }

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     * @throws JspException if a JSP error occurs
     */
    public int doStartTag() throws JspException {


        // Locate our parent UIComponentTag
        UIComponentClassicTagBase tag =
            UIComponentELTag.getParentUIComponentClassicTagBase(pageContext);
        if (tag == null) {
            Object params [] = {this.getClass().getName()};
            throw new JspException(
                MessageUtils.getExceptionMessageString(
                    MessageUtils.NOT_NESTED_IN_FACES_TAG_ERROR_MESSAGE_ID, params));
        }


        // Nothing to do unless this tag created a component
        if (!tag.getCreated()) {
            return (SKIP_BODY);
        }    


        UIComponent component = tag.getComponentInstance();
        if (component == null) {
            throw new JspException(
                MessageUtils.getExceptionMessageString(MessageUtils.NULL_COMPONENT_ERROR_MESSAGE_ID));
        }
        if (!(component instanceof ActionSource)) {

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     * @throws JspException if a JSP error occurs
     */
    public int doStartTag() throws JspException {


        // Locate our parent UIComponentTag
        UIComponentClassicTagBase tag =
             UIComponentClassicTagBase.getParentUIComponentClassicTagBase(pageContext);
        if (tag == null) {
            //  Object[] params = {this.getClass().getName()};
            // PENDING(rogerk): do something with params
            throw new JspException(
                 MessageUtils.getExceptionMessageString(
                      MessageUtils.NOT_NESTED_IN_FACES_TAG_ERROR_MESSAGE_ID));
        }


        // Nothing to do unless this tag created a component
        if (!tag.getCreated()) {
            return (SKIP_BODY);
        }


        UIComponent component = tag.getComponentInstance();
        if (component == null) {
            throw new JspException(
                 MessageUtils.getExceptionMessageString(MessageUtils.NULL_COMPONENT_ERROR_MESSAGE_ID));
        }
        if (!(component instanceof EditableValueHolder)) {

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     * @exception JspException if a JSP error occurs
     */
    public int doStartTag() throws JspException {


        // Locate our parent UIComponentTagBase
        UIComponentClassicTagBase tag =
            UIComponentELTag.getParentUIComponentClassicTagBase(pageContext);
        if (tag == null) {
          String message = MessageUtils.getExceptionMessageString
          (MessageUtils.NOT_NESTED_IN_UICOMPONENT_TAG_ERROR_MESSAGE_ID);
          throw new JspException(message);
        }
        
        // Add this attribute if it is not already defined
        UIComponent component = tag.getComponentInstance();
        if (component == null) {
          String message = MessageUtils.getExceptionMessageString
          (MessageUtils.NO_COMPONENT_ASSOCIATED_WITH_UICOMPONENT_TAG_MESSAGE_ID);
          throw new JspException(message);
        }

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     * @throws JspException if a JSP error occurs
     */
    public int doStartTag() throws JspException {


        // Locate our parent UIComponentTag
        UIComponentClassicTagBase tag =
            UIComponentELTag.getParentUIComponentClassicTagBase(pageContext);
        if (tag == null) {
            Object params [] = {this.getClass().getName()};
            throw new JspException(
                MessageUtils.getExceptionMessageString(
                    MessageUtils.NOT_NESTED_IN_FACES_TAG_ERROR_MESSAGE_ID, params));
        }


        // Nothing to do unless this tag created a component
        if (!tag.getCreated()) {
            return (SKIP_BODY);
        }    


        UIComponent component = tag.getComponentInstance();
        if (component == null) {
            throw new JspException(
                MessageUtils.getExceptionMessageString(MessageUtils.NULL_COMPONENT_ERROR_MESSAGE_ID));
        }
        if (!(component instanceof ActionSource)) {

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              .isOptionEnabled
                    (BooleanWebContextInitParameter.EnableLoadBundle11Compatibility)) {
            // the UIComponent that wraps the Map
            UIComponent bundleComponent =
                  createNewLoadBundleComponent(var, toStore);
            UIComponentClassicTagBase parentTag = getParentUIComponentTag();


            // Is this loadBundle tag instance outside of <f:view>?
            if (null == parentTag) {
                // Yes.  Store the bundleComponent in a list so the <f:view> tag
                // can add the list contents as the first children.

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