Examples of javax.servlet.jsp.tagext.BodyContent

javax.servlet.jsp.tagext.BodyContent
An encapsulation of the evaluation of the body of an action so it is available to a tag handler. BodyContent is a subclass of JspWriter.
Note that the content of BodyContent is the result of evaluation, so it will not contain actions and the like, but the result of their invocation.
BodyContent has methods to convert its contents into a String, to read its contents, and to clear the contents.
The buffer size of a BodyContent object is unbounded. A BodyContent object cannot be in autoFlush mode. It is not possible to invoke flush on a BodyContent object, as there is no backing stream.
Instances of BodyContent are created by invoking the pushBody and popBody methods of the PageContext class. A BodyContent is enclosed within another JspWriter (maybe another BodyContent object) following the structure of their associated actions.
A BodyContent is made available to a BodyTag through a setBodyContent() call. The tag handler can use the object until after the call to doEndTag().

  public int doAfterBody() throws JspException
  {
    try
    {
      // double checking for null as Resin had problems with that
      final BodyContent body = getBodyContent();
      if (body != null)
      {
        final JspWriter writer = getPreviousOut();
        if (writer != null)
        {
          body.writeOut(writer);
        }
      }


    }
    catch (IOException ioex)

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    }


    @Override
    public int doAfterBody() throws JspException
    {
        BodyContent bodyContent = getBodyContent();
        if (bodyContent != null)
        {
            UIOutput component = (UIOutput)getComponentInstance();
            component.setValue(bodyContent.getString());
            bodyContent.clearBody();
        }
        return super.getDoAfterBodyValue();
    }

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    /**
     * TODO: Ignore <!-- --> comments
     */
    private boolean isBodyContentEmpty()
    {
        BodyContent bodyContent = getBodyContent();
        if (bodyContent == null)
        {
            return true;
        }
        try
        {
            Reader reader = bodyContent.getReader();
            int c;
            while ((c = reader.read()) != -1)
            {
                if (!Character.isWhitespace((char)c))
                {

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    /**
     * TODO: Ignore <!-- --> comments
     */
    private boolean isBodyContentEmpty()
    {
        BodyContent bodyContent = getBodyContent();
        if (bodyContent == null)
        {
            return true;
        }
        try
        {
            Reader reader = bodyContent.getReader();
            int c;
            while ((c = reader.read()) != -1)
            {
                if (!Character.isWhitespace((char)c))
                {

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        int status = this.tag.doStartTag();
        if (this.tag instanceof IterationTag)
        {
            if (status != Tag.SKIP_BODY)
            {
                BodyContent body = null;
                try
                {
                    IterationTag iterationTag = (IterationTag) this.tag;
                    if ((status == BodyTag.EVAL_BODY_BUFFERED)
                        && (this.tag instanceof BodyTag))
                    {
                        BodyTag bodyTag = (BodyTag) this.tag;
                        body = pageContext.pushBody();
                        if (log.isDebugEnabled())
                        {
                            log.debug("Pushed body content ["
                                + body.getString() + "]");
                        }
                        bodyTag.setBodyContent(body);
                        bodyTag.doInitBody();
                    }
                    int iteration = 0;
                    do
                    {
                        fireEvalBody(iteration, body);
                        if (log.isDebugEnabled())
                        {
                            log.debug("Body evaluated for the ["
                                + iteration + "] time");
                        }
                        status = iterationTag.doAfterBody();
                        iteration++;
                    } while (status == IterationTag.EVAL_BODY_AGAIN);
                    if (log.isDebugEnabled())
                    {
                        log.debug("Body skipped");
                    }
                    fireSkipBody();
                }
                finally
                {
                    if (body != null)
                    {
                        if (log.isDebugEnabled())
                        {
                            log.debug("Popping body content ["
                                + body.getString() + "]");
                        }
                        pageContext.popBody();
                        body = null;
                    }
                }

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            context = context.deepClone();
            
            //
            //  Get the page data.
            //
            BodyContent bc = getBodyContent();
            String wikiText = bc.getString();
            bc.clearBody();


            if( wikiText != null )
            {
                wikiText = wikiText.trim();

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        if( t != null )
        {
            String val = m_value;
            if( val == null )
            {
                BodyContent bc = getBodyContent();
                if( bc != null ) 
                {
                    val = bc.getString();
                }
            }
            if( val != null ) 
            {
                ((ParamHandler)t).setContainedParameter( m_name, val );

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      }
      return (EVAL_BODY_BUFFERED);
  }
  public int doAfterBody() throws JspException {
      try {
          BodyContent body = getBodyContent();
          if (body != null) {
              JspWriter out = body.getEnclosingWriter();
              String encodedBody = HtmlCodec.encode(body.getString());
              out.print(
                  encodedBody.equalsIgnoreCase("null") ? "" : encodedBody);
          }


      } catch (IOException ex) {

View Full Code Here

    /**
     * TODO: Ignore <!-- --> comments
     */
    private boolean isBodyContentEmpty()
    {
        BodyContent bodyContent = getBodyContent();
        if (bodyContent == null)
        {
            return true;
        }
        try
        {
            Reader reader = bodyContent.getReader();
            int c;
            while ((c = reader.read()) != -1)
            {
                if (!Character.isWhitespace((char)c))
                {

View Full Code Here

    /**
     * TODO: Ignore <!-- --> comments
     */
    private boolean isBodyContentEmpty()
    {
        BodyContent bodyContent = getBodyContent();
        if (bodyContent == null)
        {
            return true;
        }
        try
        {
            Reader reader = bodyContent.getReader();
            int c;
            while ((c = reader.read()) != -1)
            {
                if (!Character.isWhitespace((char)c))
                {

View Full Code Here

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