Example usage for com.liferay.portal.kernel.servlet JSPSupportServlet JSPSupportServlet

Introduction

In this page you can find the example usage for com.liferay.portal.kernel.servlet JSPSupportServlet JSPSupportServlet.

Prototype

public JSPSupportServlet(ServletContext servletContext) 

Source Link

Usage

From source file:com.liferay.faces.bridge.ext.context.internal.HeadResponseWriterLiferayImpl.java

License:Open Source License

@Override
protected void addResourceToHeadSection(Element element, String nodeName) throws IOException {

    // Get the underlying HttpServletRequest and HttpServletResponse
    FacesContext facesContext = FacesContext.getCurrentInstance();
    ExternalContext externalContext = facesContext.getExternalContext();
    PortletRequest portletRequest = (PortletRequest) externalContext.getRequest();
    HttpServletRequest httpServletRequest = PortalUtil.getHttpServletRequest(portletRequest);
    PortletResponse portletResponse = (PortletResponse) externalContext.getResponse();
    HttpServletResponse httpServletResponse = PortalUtil.getHttpServletResponse(portletResponse);

    // Invoke the Liferay HtmlTopTag class directly (rather than using liferay-util:html-top from a JSP).
    HtmlTopTag htmlTopTag = new HtmlTopTag();
    JspFactory jspFactory = JspFactory.getDefaultFactory();
    ServletContext servletContext = getServletContext(httpServletRequest);
    JSPSupportServlet jspSupportServlet = new JSPSupportServlet(servletContext);
    PageContext pageContext = jspFactory.getPageContext(jspSupportServlet, httpServletRequest,
            httpServletResponse, null, false, 0, false);
    htmlTopTag.setPageContext(pageContext);
    htmlTopTag.doStartTag();//from w  w  w.j a v  a 2s  .  co  m

    String elementAsString = element.toString();
    BodyContent bodyContent = pageContext.pushBody();
    bodyContent.print(elementAsString);
    htmlTopTag.setBodyContent(bodyContent);

    try {
        htmlTopTag.doEndTag();
    } catch (Exception e) {
        throw new IOException(e.getMessage());
    }

    jspFactory.releasePageContext(pageContext);
    logger.debug(ADDED_RESOURCE_TO_HEAD, "Liferay", nodeName);
}

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