Examples of JspFragment

javax.servlet.jsp.tagext.JspFragment
Encapsulates a portion of JSP code in an object that can be invoked as many times as needed. JSP Fragments are defined using JSP syntax as the body of a tag for an invocation to a SimpleTag handler, or as the body of a <jsp:attribute> standard action specifying the value of an attribute that is declared as a fragment, or to be of type JspFragment in the TLD.
The definition of the JSP fragment must only contain template text and JSP action elements. In other words, it must not contain scriptlets or scriptlet expressions. At translation time, the container generates an implementation of the JspFragment abstract class capable of executing the defined fragment.
A tag handler can invoke the fragment zero or more times, or pass it along to other tags, before returning. To communicate values to/from a JSP fragment, tag handlers store/retrieve values in the JspContext associated with the fragment.
Note that tag library developers and page authors should not generate JspFragment implementations manually.
Implementation Note: It is not necessary to generate a separate class for each fragment. One possible implementation is to generate a single helper class for each page that implements JspFragment. Upon construction, a discriminator can be passed to select which fragment that instance will execute. @since 2.0
nsf.playground.jsp.JspFragment
JSP Fragment base class. This class provides the necessary execution methods. @author priand

Examples of javax.servlet.jsp.tagext.JspFragment

        DataGridTagModel dgm = DataGridUtil.getDataGridTagModel(jspContext);
        if(dgm == null)
            throw new JspException(Bundle.getErrorString("DataGridTags_MissingDataGridModel"));


        if(dgm.getRenderState() == DataGridTagModel.RENDER_STATE_CAPTION) {
            JspFragment fragment = getJspBody();
            if(fragment != null) {
                String captionScript = null;
                if(_captionTag.id != null) {
                    HttpServletRequest request = JspUtil.getRequest(getJspContext());
                    captionScript = renderNameAndId(request, _captionTag, null);
                }


                StringWriter sw = new StringWriter();
                TableRenderer tableRenderer = dgm.getTableRenderer();
                StyleModel stylePolicy = dgm.getStyleModel();
                AbstractRenderAppender appender = new WriteRenderAppender(jspContext);


                if(_captionTag.styleClass == null)
                    _captionTag.styleClass = stylePolicy.getCaptionClass();


                tableRenderer.openCaption(_captionTag, appender);


                fragment.invoke(sw);
                appender.append(sw.toString());


                tableRenderer.closeCaption(appender);


                if(captionScript != null)

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Examples of javax.servlet.jsp.tagext.JspFragment

            TableRenderer tableRenderer = dataGridModel.getTableRenderer();
            assert tableRenderer != null;


            InternalStringBuilder content = new InternalStringBuilder();
            AbstractRenderAppender appender = new StringBuilderRenderAppender(content);
            JspFragment fragment = getJspBody();


            if(dataGridModel.isRenderRowGroups())
                tableRenderer.openTableBody(_tbodyTag, appender);


            HttpServletRequest request = JspUtil.getRequest(getJspContext());
            while(dataGridModel.hasNextDataItem()) {


                StringWriter sw = new StringWriter();


                /* first things first -- advance to the next data item */
                dataGridModel.nextDataItem();


                fragment.invoke(sw);


                String trScript = null;
                if(_renderRow) {
                    TrTag.State trState = new TrTag.State();
                    int index = dataGridModel.getCurrentIndex();

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Examples of javax.servlet.jsp.tagext.JspFragment

        if(!(renderState == DataGridTagModel.RENDER_STATE_HEADER ||
           renderState != DataGridTagModel.RENDER_STATE_GRID ||
           renderState != DataGridTagModel.RENDER_STATE_FOOTER))
            return;


        JspFragment fragment = getJspBody();


        StyleModel styleModel = dataGridModel.getStyleModel();
        assert styleModel != null;


        TableRenderer tableRenderer = dataGridModel.getTableRenderer();
        assert tableRenderer != null;


        HttpServletRequest request = JspUtil.getRequest(getJspContext());
        InternalStringBuilder content = new InternalStringBuilder();
        AbstractRenderAppender appender = new StringBuilderRenderAppender(content);


        if(_trState.styleClass == null) {
            if(renderState == DataGridTagModel.RENDER_STATE_GRID) {
                int index = dataGridModel.getCurrentIndex();
                if(index % 2 == 0)
                    _trState.styleClass = styleModel.getRowClass();
                else _trState.styleClass = styleModel.getAltRowClass();
            }
            else if(renderState == DataGridTagModel.RENDER_STATE_HEADER)
                _trState.styleClass = styleModel.getHeaderRowClass();
            else if(renderState == DataGridTagModel.RENDER_STATE_FOOTER)
                _trState.styleClass = styleModel.getFooterRowClass();
            else assert false : "Attempting to apply style information during an invalid render state";
        }


        String trScript = null;
        if(_trState.id != null)
            trScript = renderNameAndId(request, _trState, null);


        tableRenderer.openTableRow(_trState, appender);


        StringWriter sw = new StringWriter();
        if(fragment != null)
            fragment.invoke(sw);
        appender.append(sw.toString());


        tableRenderer.closeTableRow(appender);


        if(trScript != null)

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Examples of javax.servlet.jsp.tagext.JspFragment

        Writer w = (var != null ? new StringWriter() : getJspContext().getOut());
        if (value != null)
        {
            w.append(Escape.toSafeHtml(value));
        }
        JspFragment body = getJspBody();
        if (body != null)
        {
            StringWriter sw = new StringWriter();
            body.invoke(sw);
            w.append(Escape.toSafeHtml(sw.toString()));
        }
        if (var != null)
        {
            getJspContext().setAttribute(var, w.toString());

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Examples of javax.servlet.jsp.tagext.JspFragment

        if (JspSupport.hasErrors((PageContext) getJspContext()))
        {
            return;
        }


        JspFragment f = getJspBody();
        if (f != null)
        {
            f.invoke(null);
        }
    }

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Examples of javax.servlet.jsp.tagext.JspFragment

        this.var = var;
    }


    public void doTag() throws JspException, IOException
    {
        JspFragment body = getJspBody();
        if (body != null)
        {
            // invoke body, ignore results
            body.invoke(new Writer()
            {
                @Override
                public void close() throws IOException
                {
                }

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Examples of javax.servlet.jsp.tagext.JspFragment


    private String var;


    public void doTag() throws JspException, IOException
    {
        JspFragment body = getJspBody();
        if (body != null)
        {
            StringWriter sw = new StringWriter();
            body.invoke(sw);
            setValue(sw.toString());
        }
        
        Object ev = JspSupport.getParam((PageContext) getJspContext(), name, value);
        if (var != null)

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Examples of javax.servlet.jsp.tagext.JspFragment

        if (!JspSupport.hasError((PageContext) getJspContext(), name))
        {
            return;
        }


        JspFragment f = getJspBody();
        if (f != null)
        {
            if (var != null)
            {
                String err = JspSupport.getError((PageContext) getJspContext(), name);
                if (err != null) {
                    getJspContext().setAttribute(var, err);
                }
            }
            f.invoke(null);
        }
    }

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Examples of javax.servlet.jsp.tagext.JspFragment

        if (!JspSupport.hasErrors((PageContext) getJspContext()))
        {
            return;
        }


        JspFragment f = getJspBody();
        if (f != null)
        {
            f.invoke(null);
        }
    }

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Examples of javax.servlet.jsp.tagext.JspFragment

        Writer w = (var != null ? new StringWriter() : getJspContext().getOut());
        if (value != null)
        {
            w.append(Escape.toSafeHtml(value));
        }
        JspFragment body = getJspBody();
        if (body != null)
        {
            StringWriter sw = new StringWriter();
            body.invoke(sw);
            w.append(Escape.toSafeHtml(sw.toString()));
        }
        if (var != null)
        {
            getJspContext().setAttribute(var, w.toString());

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