Example usage for javax.servlet.jsp.tagext SimpleTag setJspBody

Introduction

In this page you can find the example usage for javax.servlet.jsp.tagext SimpleTag setJspBody.

Prototype

public void setJspBody(JspFragment jspBody);

Source Link

Document

Provides the body of this tag as a JspFragment object, able to be invoked zero or more times by the tag handler.

Usage

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

public static void initSimpleSimpleTag(SimpleTag tag, List<Object> attributes, final ChildPageContext ctx,
        final Closure body) throws Exception {
    if (log.isDebugEnabled())
        log.debug("Init simple tag: " + tag.getClass().getName());
    Tag ptag = ctx.getCurrentTag();//  ww  w. j  ava 2 s . c  om
    final JspContext pctx;// .getBrickContext().getPageContext();
    if (ctx.isUseParentTagContext() == true) {
        pctx = ctx.getParentPageContext();
    } else {
        pctx = ctx;
    }
    tag.setJspContext(pctx);
    tag.setParent(ptag);
    attributes = evalAttributes(tag, attributes, ctx);
    setAttributes(tag, attributes, ctx);
    final TagAdapter tagAdapter = new TagAdapter(tag);
    ctx.setCurrentTag(tagAdapter);
    tag.setJspBody(new JspFragment() {
        @Override
        public JspContext getJspContext() {
            return pctx;
        }

        @Override
        public void invoke(Writer out) throws JspException, IOException {
            ctx.getTagStack().push(new Pair<Tag, Integer>(tagAdapter, -1));
            try {
                JspWriter oldOut = null;
                try {
                    if (pctx instanceof ChildPageContext) {
                        oldOut = pctx.getOut();
                        if (out != oldOut) {
                            ((ChildPageContext) pctx).setInternalGroovyOut(createPrintWriter(out));
                        } else {
                            oldOut = null;
                        }
                    }
                    body.call();
                } finally {
                    if (oldOut != null) {
                        pctx.getOut().flush();
                        ((ChildPageContext) pctx).setInternalGroovyOut(createPrintWriter(oldOut));
                    }
                }
            } finally {
                ctx.getTagStack().pop();
            }
        }
    });
    tag.doTag();
    ctx.setCurrentTag(ptag);
}

---

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

public ProcessStatus doStartProcess(Page topLevelPage) {
    if (_tagClass == null) {
        throw new IllegalStateException();
    }/*from ww  w  . j av a 2 s  .c o  m*/
    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);
    }
}

---