Examples with PortletSession javax.portlet.PortletSession used on opensource projects

Example 16 with PortletSession

use of javax.portlet.PortletSession in project uPortal by Jasig.

the class RenderPortletTag method doEndTag.

@Override
public int doEndTag() throws JspException {
    //From portlet:defineObjects
    final RenderRequest renderRequest = (RenderRequest) this.pageContext.getAttribute("renderRequest");
    final RenderResponse renderResponse = (RenderResponse) this.pageContext.getAttribute("renderResponse");
    final PortletDelegationLocator portletDelegationLocator = (PortletDelegationLocator) renderRequest.getAttribute(PortletDelegationLocator.PORTLET_DELECATION_LOCATOR_ATTR);
    final String sessionKey = this.sessionKeyPrefix + this.fname;
    final PortletSession portletSession = renderRequest.getPortletSession();
    IPortletWindowId portletWindowId = (IPortletWindowId) portletSession.getAttribute(sessionKey);
    final PortletDelegationDispatcher portletDelegationDispatcher;
    final DelegateState delegateState;
    //No id in session, create a new dispatcher
    if (portletWindowId == null) {
        portletDelegationDispatcher = portletDelegationLocator.createRequestDispatcher(renderRequest, this.fname);
        portletWindowId = portletDelegationDispatcher.getPortletWindowId();
        portletSession.setAttribute(sessionKey, portletWindowId);
        final PortletMode portletMode = PortletUtils.getPortletMode(this.portletMode);
        final WindowState windowState = PortletUtils.getWindowState(this.windowState);
        delegateState = new DelegateState(portletMode, windowState);
    } else //id in session, get the old dispatcher
    {
        portletDelegationDispatcher = portletDelegationLocator.getRequestDispatcher(renderRequest, portletWindowId);
        delegateState = null;
    }
    final DelegationRequest delegationRequest = new DelegationRequest();
    delegationRequest.setDelegateState(delegateState);
    //Setup base for portlet URLs
    delegationRequest.setParentPortletMode(this.parentUrlMode);
    delegationRequest.setParentWindowState(this.parentUrlState);
    delegationRequest.setParentParameters(this.parentUrlParameters);
    final JspWriter out = this.pageContext.getOut();
    try {
        portletDelegationDispatcher.doRender(renderRequest, renderResponse, delegationRequest, new JspWriterPortletOutputHandler(out, renderResponse));
    } catch (IOException e) {
        throw new JspException("Failed to execute delegate render on portlet '" + this.fname + "'", e);
    }
    return Tag.EVAL_PAGE;
}