Example usage for javax.servlet.jsp.tagext Tag setParent

Introduction

In this page you can find the example usage for javax.servlet.jsp.tagext Tag setParent.

Prototype

void setParent(Tag t);

Source Link

Document

Set the parent (closest enclosing tag handler) of this tag handler.

Usage

From source file:de.micromata.genome.gwiki.page.gspt.TagSupport.java

/**
 * @return true if body should be included
 *//*  www. j av  a2s.  co  m*/
public static boolean initTag(Tag tag, List<Object> attributes, ChildPageContext ctx) throws Exception {
    Tag ptag = ctx.getCurrentTag();
    if (log.isDebugEnabled())
        log.debug("Init tag: " + tag.getClass().getName());

    PageContext pctx = ctx;
    if (ctx.isUseParentTagContext() == true)
        pctx = ctx.getParentPageContext();
    tag.setPageContext(pctx);
    tag.setParent(ptag);
    attributes = evalAttributes(tag, attributes, ctx);
    setAttributes(tag, attributes, ctx);
    ctx.setCurrentTag(tag);
    int r = tag.doStartTag();
    ctx.getTagStack().push(new Pair<Tag, Integer>(tag, r));
    JspWriter oout = pctx.getOut();
    ctx.setInternalGroovyOut(createPrintWriter(oout));
    if (r != javax.servlet.jsp.tagext.Tag.SKIP_BODY && r != javax.servlet.jsp.tagext.Tag.EVAL_BODY_INCLUDE
            && tag instanceof BodyTag) {

        BodyTag btag = (BodyTag) tag;

        JspWriter out = pctx.pushBody();
        PrintWriterPatched newPout = createPrintWriter(out, true);
        ctx.setInternalGroovyOut(newPout);

        btag.setBodyContent((javax.servlet.jsp.tagext.BodyContent) out);
        btag.doInitBody();
    }
    boolean ret = r != javax.servlet.jsp.tagext.Tag.SKIP_BODY;
    if (log.isDebugEnabled())
        log.debug("Init tag: " + tag.getClass().getName() + ": " + ret);
    return ret;
}

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From source file:de.micromata.genome.gwiki.page.gspt.TagSupport.java

/**
 * @return if return false page will be skipped
 *//*from  w  w w  . ja  v  a 2  s. c o m*/
public static boolean initSimpleTag(Tag tag, List<Object> attributes, ChildPageContext ctx) throws Exception {
    if (log.isDebugEnabled())
        log.debug("Init simple tag: " + tag.getClass().getName());
    Tag ptag = ctx.getCurrentTag();
    PageContext pctx = ctx;// .getBrickContext().getPageContext();
    if (ctx.isUseParentTagContext() == true)
        pctx = ctx.getParentPageContext();
    tag.setPageContext(pctx);
    tag.setParent(ptag);
    attributes = evalAttributes(tag, attributes, ctx);
    setAttributes(tag, attributes, ctx);
    ctx.setCurrentTag(tag);
    int r = tag.doStartTag();
    // ctx.getTagStack().push(new Pair<Tag, Integer>(tag, r));
    r = tag.doEndTag();
    // ctx.getTagStack().pop();
    ctx.setCurrentTag(ptag);
    return r != javax.servlet.jsp.tagext.Tag.SKIP_PAGE;
}

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From source file:com.icesoft.faces.webapp.parser.ComponentRuleSet.java

/**
 * Because Tag processing classes themselves don't support a tree structure,
 * a wiring class is used to hold the tree together.  This member wires up
 * the tree appropriately./*from  www.j  a va 2 s . com*/
 *
 * @param child      The child Tag
 * @param parent     The parent Tag
 * @param childWire  The child Wire
 * @param parentWire The parent Wire
 */
protected void wireUpTheTag(Tag child, Tag parent, TagWire childWire, TagWire parentWire) {

    child.setParent(parent);
    childWire.setTag(child);
    parentWire.addChild(childWire);
}

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From source file:com.icesoft.faces.webapp.parser.Parser.java

/**
 * The main parsing logic.  Creates a Digester to parse page into a tag
 * processing tree, and then executes the JSP lifecycle across that tree.
 * The end result is a JSF component rooted with a UIViewRoot component.
 *
 * @param page    The Reader for the page.
 * @param context//from   w  ww  .  j  a  va  2s  . com
 * @throws java.io.IOException      If stream IO fails.
 * @throws org.xml.sax.SAXException If digester encounters invalid XML.
 */
public void parse(Reader page, FacesContext context) throws java.io.IOException, org.xml.sax.SAXException {
    // Need a mock pageContext
    StubPageContext pageContext = new StubPageContext(context);
    Set componentIds = new HashSet();

    //placeholder tag and wire
    XhtmlTag rootTag = new XhtmlTag();
    rootTag.setTagName("ICEtag");

    rootTag.setParent(null);
    TagWire rootWire = new TagWire();
    rootWire.setTag(rootTag);

    TagWire realViewWire = null;
    String viewTagClassName = null;
    synchronized (this) {
        digester.clear();
        digester.push(rootTag);
        digester.push(rootWire);
        digester.parse(page);
        realViewWire = digester.getViewWire();
        viewTagClassName = digester.getViewTagClassName();
    }

    try {

        // #2551 We have captured the real View Tag (from wherever it was in the tree)
        // now we check to see if it's the first child of this fake root, and
        // if not, make it so.
        // We do this by taking all top level siblings of the fake root, and
        // making them the first children of the real view root, and replacing
        // the original viewRoot with its children in the hiearchy.
        //  This duplicates what the previous code was doing, except the created
        // ViewTag has the attributes set

        Tag viewTag;
        if (null != realViewWire) {
            viewTag = realViewWire.getTag();
            transmogrifyHierarchy(realViewWire, rootWire);
            viewTag.setParent(null);
        } else {
            //fallback case for pages with no view tag
            if (null == viewTagClassName)
                throw new IllegalStateException(
                        "ICEfaces parser unable to determine JSF implementation ViewTag class.");
            viewTag = (Tag) Class.forName(viewTagClassName).newInstance();
            rootWire.setTag(viewTag);
            realViewWire = rootWire;
            viewTag.setParent(null);
        }

        executeJspLifecycle(realViewWire, pageContext, context, componentIds);

        pageContext.removeAttribute("javax.faces.webapp.COMPONENT_TAG_STACK", PageContext.REQUEST_SCOPE);
        pageContext.removeAttribute("javax.faces.webapp.GLOBAL_ID_VIEW", PageContext.REQUEST_SCOPE);
    } catch (Exception e) {
        log.error("Failed to execute JSP lifecycle.", e);
        if (log.isDebugEnabled()) {

            log.debug("Dumping Tag Hierarchy");
            if (realViewWire != null) {
                displayHierarchy(realViewWire);
            } else {
                displayHierarchy(rootWire);
            }
        }
        throw new FacesException("Failed to execute JSP lifecycle.", e);
    }
}

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From source file:org.apache.cactus.extension.jsp.JspTagLifecycle.java

/**
 * Adds a nested tag. The tag will be invoked when the body content of the
 * enclosing tag is evaluated.//w w  w .  ja v  a 2s .c  o  m
 * 
 * @return The lifecycle wrapper for the nested tag, can be used to add 
 *         expectations for the nested tag
 * @param theNestedTag The tag to be nested
 */
public JspTagLifecycle addNestedTag(Tag theNestedTag) {
    if (theNestedTag == null) {
        throw new NullPointerException();
    }
    JspTagLifecycle lifecycle = new JspTagLifecycle(this.pageContext, theNestedTag);
    theNestedTag.setParent(this.tag);
    addInterceptor(new NestedTagInterceptor(lifecycle));
    return lifecycle;
}

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From source file:org.seasar.mayaa.impl.engine.processor.JspProcessor.java

public ProcessStatus doStartProcess(Page topLevelPage) {
    if (_tagClass == null) {
        throw new IllegalStateException();
    }/*w ww  . j a  v  a2  s.com*/
    topLevelPage.registBeginRenderNotifier(this);
    clearLoadedTag();
    Tag customTag = getLoadedTag();

    // javax.servlet.jsp.tagext.SimpleTag
    Object targetTag = customTag;
    if (customTag instanceof SimpleTagWrapper) {
        SimpleTagWrapper simpleTagWrapper = (SimpleTagWrapper) customTag;
        SimpleTag simpleTag = simpleTagWrapper.getSimpleTag();
        int childProcessorSize = getChildProcessorSize();
        if (childProcessorSize > 0) {
            simpleTag.setJspBody(new ProcessorFragment(simpleTagWrapper, this, topLevelPage));
        }
        targetTag = simpleTag;
    }
    for (Iterator it = iterateProperties(); it.hasNext();) {
        ProcessorProperty property = (ProcessorProperty) it.next();
        ObjectUtil.setProperty(targetTag, property.getName().getQName().getLocalName(),
                property.getValue().execute(null));
    }

    // javax.servlet.jsp.tagext.DynamicAttributes
    if (TLDProcessorDefinition.class.isAssignableFrom(getProcessorDefinition().getClass())) {
        TLDProcessorDefinition tldDef = (TLDProcessorDefinition) getProcessorDefinition();
        if (tldDef.isDynamicAttribute()) {
            setupDynamicAttributes(customTag);
        }
    }

    ProcessorTreeWalker processor = this;
    while ((processor = processor.getParentProcessor()) != null) {
        if (processor instanceof JspProcessor) {
            JspProcessor jspProcessor = (JspProcessor) processor;
            Tag parentTag = jspProcessor.getLoadedTag();
            if (parentTag == null) {
                throw new IllegalStateException("the parent processor has no custom tag.");
            }
            customTag.setParent(parentTag);
            break;
        }
    }
    try {
        pushNestedVariables();
        return getProcessStatus(customTag.doStartTag(), true);
    } catch (JspException e) {
        throw createJspRuntimeException(getOriginalNode(), getInjectedNode(), e);
    }
}

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