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().

        HttpServletResponse response = (HttpServletResponse) pageContext.getResponse();


        ServletContext context = (ServletContext) request.getAttribute("servletContext");
        RequestHandler rh = (RequestHandler) context.getAttribute("_REQUEST_HANDLER_");


        BodyContent body = getBodyContent();


        String baseURL = body.getString();
        String newURL = rh.makeLink(request, response, baseURL);


        body.clearBody();


        try {
            getPreviousOut().print(newURL);
        } catch (IOException e) {
            if (UtilJ2eeCompat.useNestedJspException(pageContext.getServletContext())) {

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        }
    }


    public int doEndTag() {
        try {
            BodyContent body = getBodyContent();


            if (body != null) {
                JspWriter out = body.getEnclosingWriter();
                String bodyString = body.getString();
                body.clearBody();
                out.print(bodyString);
            }
        } catch (IOException e) {
            Debug.logInfo("IteratorTag IO Error", module);
            Debug.logInfo(e, module);

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        return SKIP_BODY;
    }


    public int doEndTag() {
        try {
            BodyContent body = getBodyContent();


            if (body != null) {
                JspWriter out = body.getEnclosingWriter();
                String bodyString = body.getString();
                body.clearBody();
                out.print(bodyString);
            }
        } catch (IOException e) {
            System.out.println("IterateNext Tag error: " + e);
        }

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        return SKIP_BODY;
    }


    public int doEndTag() {
        try {
            BodyContent body = getBodyContent();


            if (body != null) {
                JspWriter out = body.getEnclosingWriter();
                String bodyString = body.getString();
                body.clearBody();
                out.print(bodyString);
            }
        } catch (IOException e) {
            System.out.println("IterateNext Tag error: " + e);
        }

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        return SKIP_BODY;
    }


    public int doEndTag() {
        try {
            BodyContent body = getBodyContent();


            if (body != null) {
                JspWriter out = body.getEnclosingWriter();
                String bodyString = body.getString();
                body.clearBody();
                //Debug.logInfo("printing string: " + bodyString, module);
                out.print(bodyString);
            }
        } catch (IOException e) {
            Debug.logError(e, "IfTag Error.", module);

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  }
  
  public int doAfterBody() throws JspException {
    
    try { 
      BodyContent body = getBodyContent();      
      if (body != null) {
        writer.print(body.getString());
        body.clearBody();
      }
    
    } catch (IOException e) {
      logger.error(e);
      throw new JspException();

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   *
   * @return SKIP_BODY
   * @throws JspException if an error occurs while writing to the out buffer
   */  
  public int doAfterBody()  throws JspException {
      BodyContent body = getBodyContent();
      JspWriter writer = body.getEnclosingWriter();
      String bodyString = body.getString();
      fcked.setValue(bodyString);
      try {
        writer.println(fcked.create());
      }catch(IOException ioe) {
        throw new JspException("Error: IOException while writing to the user");

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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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    public int doAfterBody() throws JspException
    {
        if (log.isTraceEnabled()) log.trace("entering ViewTag.doAfterBody");
        try
        {
            BodyContent bodyContent = getBodyContent();
            if (bodyContent != null)
            {
                FacesContext facesContext = FacesContext.getCurrentInstance();
                StateManager stateManager = facesContext.getApplication().getStateManager();
                StateManager.SerializedView serializedView
                        = stateManager.saveSerializedView(facesContext);
                if (serializedView != null)
                {
                    //until now we have written to a buffer
                    ResponseWriter bufferWriter = facesContext.getResponseWriter();
                    bufferWriter.flush();
                    //now we switch to real output
                    ResponseWriter realWriter = bufferWriter.cloneWithWriter(getPreviousOut());
                    facesContext.setResponseWriter(realWriter);


                    String bodyStr = bodyContent.getString();
                    int form_marker = bodyStr.indexOf(JspViewHandlerImpl.FORM_STATE_MARKER);
                    int url_marker = bodyStr.indexOf(HtmlLinkRendererBase.URL_STATE_MARKER);
                    int lastMarkerEnd = 0;
                    while (form_marker != -1 || url_marker != -1)
                    {
                        if (url_marker == -1 || (form_marker != -1 && form_marker < url_marker))
                        {
                            //replace form_marker
                            realWriter.write(bodyStr, lastMarkerEnd, form_marker - lastMarkerEnd);
                            stateManager.writeState(facesContext, serializedView);
                            lastMarkerEnd = form_marker + JspViewHandlerImpl.FORM_STATE_MARKER_LEN;
                            form_marker = bodyStr.indexOf(JspViewHandlerImpl.FORM_STATE_MARKER, lastMarkerEnd);
                        }
                        else
                        {
                            //replace url_marker
                            realWriter.write(bodyStr, lastMarkerEnd, url_marker - lastMarkerEnd);
                            if (stateManager instanceof MyfacesStateManager)
                            {
                                ((MyfacesStateManager)stateManager).writeStateAsUrlParams(facesContext,
                                                                                          serializedView);
                            }
                            else
                            {
                                log.error("Current StateManager is no MyfacesStateManager and does not support saving state in url parameters.");
                            }
                            lastMarkerEnd = url_marker + HtmlLinkRendererBase.URL_STATE_MARKER_LEN;
                            url_marker = bodyStr.indexOf(HtmlLinkRendererBase.URL_STATE_MARKER, lastMarkerEnd);
                        }
                    }
                    realWriter.write(bodyStr, lastMarkerEnd, bodyStr.length() - lastMarkerEnd);
                }
                else
                {
                    bodyContent.writeOut(getPreviousOut());
                }
            }
        }
        catch (IOException e)
        {

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

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