Java PortletSession.removeAttribute方法代码示例

import javax.portlet.PortletSession; //导入方法依赖的package包/类
@Override
public void removeAttribute(String name, int scope) {
	if (scope == SCOPE_REQUEST) {
		if (isRequestActive()) {
			this.request.removeAttribute(name);
			removeRequestDestructionCallback(name);
		}
	}
	else {
		PortletSession session = getSession(false);
		if (session != null) {
			if (scope == SCOPE_GLOBAL_SESSION) {
				session.removeAttribute(name, PortletSession.APPLICATION_SCOPE);
				this.globalSessionAttributesToUpdate.remove(name);
			}
			else {
				session.removeAttribute(name);
				this.sessionAttributesToUpdate.remove(name);
			}
		}
	}
}
 

import javax.portlet.PortletSession; //导入方法依赖的package包/类
/**
 * For no previous authentication or forced Guest - attempt Guest access
 * 
 * @param ctx        WebApplicationContext
 * @param auth       AuthenticationService
 */
private static User portalGuestAuthenticate(WebApplicationContext ctx, PortletSession session, AuthenticationService auth)
{
   User user = AuthenticationHelper.portalGuestAuthenticate(ctx, auth);
   
   if (user != null)
   {
      // store the User object in the Session - the authentication servlet will then proceed
      session.setAttribute(AuthenticationHelper.AUTHENTICATION_USER, user, PortletSession.APPLICATION_SCOPE);
   
      // Set the current locale
      I18NUtil.setLocale(getLanguage(session));
      
      // remove the session invalidated flag
      session.removeAttribute(AuthenticationHelper.SESSION_INVALIDATED);
   }
   return user;
}
 

import javax.portlet.PortletSession; //导入方法依赖的package包/类
/**
 * Copia os valores para a requisição.
 * 
 * Se o valor existir na sessão, copia para a requisição Se não existir, e o
 * objeto tiver sido informado, utiliza-o Se não o objeto não for informado,
 * tenta obter da sessão. Se não conseguir, utiliza o default
 * 
 * @param req
 * @param att
 * @param propName
 * @param obj
 * @param defaultValue
 */
public static void copyToRequest(PortletRequest req, String att, String propName, Object obj, Object defaultValue) {
	PortletSession session = req.getPortletSession(false);
	if (session != null) {
		Object val = session.getAttribute("FLASH_" + att);
		if (val != null) {
			req.setAttribute(att, val);
			session.removeAttribute("FLASH_" + att);
			return;
		}
	}

	// Não existe na sessão
	if (obj == null) {
		req.setAttribute(att, defaultValue);
	} else {
		// Obtem o valor do objeto e copia - aqui apenas strings
		try {
			Object value = PropertyUtils.getProperty(obj, propName);
			req.setAttribute(att, value);
		} catch (Exception e) {
			LOG.error("Erro ao copiar propriedade " + propName + " da classe " + obj.getClass().getName(), e);
		}
	}
}
 

import javax.portlet.PortletSession; //导入方法依赖的package包/类
@Override
public void render(RenderRequest portletReq, RenderResponse portletResp) throws PortletException, IOException {

   long tid = Thread.currentThread().getId();
   portletReq.setAttribute(THREADID_ATTR, tid);

   PrintWriter writer = portletResp.getWriter();

   PortletSession ps = portletReq.getPortletSession();
   String msg = (String) ps.getAttribute(RESULT_ATTR_PREFIX + V2DISPATCHERTESTS3S_SPEC2_19_INCLUDESERVLETACTION_DISPATCH4);
   if (msg != null) {
      writer.write("<p>" + msg + "</p><br/>\n");
      ps.removeAttribute(RESULT_ATTR_PREFIX + V2DISPATCHERTESTS3S_SPEC2_19_INCLUDESERVLETACTION_DISPATCH4);
   }

   /* TestCase: V2DispatcherTests3S_SPEC2_19_IncludeServletAction_dispatch4 */
   /* Details: "The parameters associated with a request dispatcher are */
   /* scoped only for the duration of the include or forward call" */
   {
      PortletURL aurl = portletResp.createActionURL();
      aurl.setParameters(portletReq.getPrivateParameterMap());
      TestButton tb = new TestButton(V2DISPATCHERTESTS3S_SPEC2_19_INCLUDESERVLETACTION_DISPATCH4, aurl);
      tb.writeTo(writer);
   }

}
 

import javax.portlet.PortletSession; //导入方法依赖的package包/类
protected TestResult checkRemoveAppScopedAttribute(PortletSession session) {
    TestResult result = new TestResult();
    result.setDescription("Remove an application scoped session attribute "
    		+ "and ensure it's null.");
    result.setSpecPLT("15.3");

    session.setAttribute(KEY, VALUE, PortletSession.APPLICATION_SCOPE);
    session.removeAttribute(KEY, PortletSession.APPLICATION_SCOPE);
    Object value = session.getAttribute(KEY, PortletSession.APPLICATION_SCOPE);
    if (value == null) {
    	result.setReturnCode(TestResult.PASSED);
    } else {
    	TestUtils.failOnAssertion("session attribute", value, null, result);
    }
    return result;
}
 

import javax.portlet.PortletSession; //导入方法依赖的package包/类
/**
 * Set the session attribute with the given name to the given value in the given scope.
 * Removes the session attribute if value is {@code null}, if a session existed at all.
 * Does not create a new session if not necessary!
 * @param request current portlet request
 * @param name the name of the session attribute
 * @param value the value of the session attribute
 * @param scope session scope of this attribute
 */
public static void setSessionAttribute(PortletRequest request, String name, Object value, int scope) {
	Assert.notNull(request, "Request must not be null");
	if (value != null) {
		request.getPortletSession().setAttribute(name, value, scope);
	}
	else {
		PortletSession session = request.getPortletSession(false);
		if (session != null) {
			session.removeAttribute(name, scope);
		}
	}
}
 

import javax.portlet.PortletSession; //导入方法依赖的package包/类
public void processAction(ActionRequest request, ActionResponse response)
throws PortletException, IOException {

	log.debug("==== processAction called ====");

	PortletSession pSession = request.getPortletSession(true);

	// Our first challenge is to figure out which action we want to take
	// The view selects the "next action" either as a URL parameter
	// or as a hidden field in the POST data - we check both

	String doCancel = request.getParameter("sakai.cancel");
	String doUpdate = request.getParameter("sakai.update");

	// Our next challenge is to pick which action the previous view
	// has told us to do.  Note that the view may place several actions
	// on the screen and the user may have an option to pick between
	// them.  Make sure we handle the "no action" fall-through.

	pSession.removeAttribute("error.message");

	if ( doCancel != null ) {
		response.setPortletMode(PortletMode.VIEW);
	} else if ( doUpdate != null ) {
		processActionEdit(request, response);
	} else {
		log.debug("Unknown action");
		response.setPortletMode(PortletMode.VIEW);
	}

	log.debug("==== End of ProcessAction  ====");
}
 

import javax.portlet.PortletSession; //导入方法依赖的package包/类
public static void clearErrorMessage(PortletRequest request)
{   
	PortletSession pSession = request.getPortletSession(true);
	pSession.removeAttribute("error.message");
	pSession.removeAttribute("error.output");
	pSession.removeAttribute("error.map");
}
 

import javax.portlet.PortletSession; //导入方法依赖的package包/类
private void clearSession(PortletRequest request)
{
	PortletSession pSession = request.getPortletSession(true);

	pSession.removeAttribute("sakai.url");
	pSession.removeAttribute("sakai.widget");
	pSession.removeAttribute("sakai.descriptor");
	pSession.removeAttribute("sakai.attemptdescriptor");

	for (String element : fieldList) {
		pSession.removeAttribute("sakai."+element);
	}
}
 

import javax.portlet.PortletSession; //导入方法依赖的package包/类
public static String onLogOut(Object req)
{
   PortletRequest portletReq = null;
   if (req instanceof ServletRequest)
   {
      portletReq = (PortletRequest) ((ServletRequest) req).getAttribute("javax.portlet.request");
   }
   else if (req instanceof PortletRequest)
   {
      portletReq = (PortletRequest) req;
   }

   if (portletReq == null)
   {
      return null;
   }

   // remove all objects from our session by hand
   // we do this as invalidating the Portal session would invalidate all other portlets!
   PortletSession session = portletReq.getPortletSession();
   SessionUser user = (SessionUser) session.getAttribute(AuthenticationHelper.AUTHENTICATION_USER,
         PortletSession.APPLICATION_SCOPE);
   Enumeration<String> i = session.getAttributeNames();
   while (i.hasMoreElements())
   {
      session.removeAttribute(i.nextElement());
   }
   session.setAttribute(AuthenticationHelper.SESSION_INVALIDATED, true);

   return user == null ? null : user.getTicket();
}
 

import javax.portlet.PortletSession; //导入方法依赖的package包/类
private void recuperaLoginDaSessao(RenderRequest renderRequest) {
	String login = null;
	PortletSession session = renderRequest.getPortletSession(false);
	if (session != null) {
		login = (String) session.getAttribute("login");
		session.removeAttribute("login");
	}

	renderRequest.setAttribute("login", login);
}
 

import javax.portlet.PortletSession; //导入方法依赖的package包/类
@Override
public void render(RenderRequest portletReq, RenderResponse portletResp) throws PortletException, IOException {

   long tid = Thread.currentThread().getId();
   portletReq.setAttribute(THREADID_ATTR, tid);

   PrintWriter writer = portletResp.getWriter();

   PortletSession ps = portletReq.getPortletSession();
   String msg = (String) ps.getAttribute(RESULT_ATTR_PREFIX + V2DISPATCHERTESTS3S_SPEC2_19_FORWARDJSPACTION_DISPATCH4,
         APPLICATION_SCOPE);
   if (msg != null) {
      writer.write("<p>" + msg + "</p><br/>\n");
      ps.removeAttribute(RESULT_ATTR_PREFIX + V2DISPATCHERTESTS3S_SPEC2_19_FORWARDJSPACTION_DISPATCH4, APPLICATION_SCOPE);
   }

   /* TestCase: V2DispatcherTests3S_SPEC2_19_ForwardJSPAction_dispatch4 */
   /* Details: "The parameters associated with a request dispatcher are */
   /* scoped only for the duration of the include or forward call" */
   {
      PortletURL aurl = portletResp.createActionURL();
      aurl.setParameters(portletReq.getPrivateParameterMap());
      TestButton tb = new TestButton(V2DISPATCHERTESTS3S_SPEC2_19_FORWARDJSPACTION_DISPATCH4, aurl);
      tb.writeTo(writer);
   }

}
 

import javax.portlet.PortletSession; //导入方法依赖的package包/类
private boolean tentarAutenticar() {
	MethodKey method = new MethodKey("com.liferay.portlet.login.util.LoginUtil", "login", new Class[] { HttpServletRequest.class,
			HttpServletResponse.class, String.class, String.class, boolean.class, String.class });

	ActionRequest request = (ActionRequest) LiferayFacesContext.getInstance().getPortletRequest();
	ActionResponse response = (ActionResponse) LiferayFacesContext.getInstance().getPortletResponse();
	HttpServletRequest httpServletRequest = getHttpServletRequest(request);

	try {
		PortalClassInvoker.invoke(false, method, httpServletRequest, PortalUtil.getHttpServletResponse(response), email, senha, false,
				CompanyConstants.AUTH_TYPE_EA);

		PortletSession session = request.getPortletSession(false);
		if (session != null)
			session.removeAttribute("email");

		return true;

	} catch (Exception e) {
		if (e instanceof AuthException) {
			Throwable cause = e.getCause();
			if (cause != null)
				SessionErrors.add(request, cause.getClass());
			else
				SessionErrors.add(request, e.getClass());
		} else {
			SessionErrors.add(request, e.getClass());
		}
		return false;
	}
}
 

import javax.portlet.PortletSession; //导入方法依赖的package包/类
/**
 * Limpa o escopo flash
 * 
 * @param req
 */
public static void clearFlashScope(PortletRequest req) {
	PortletSession session = req.getPortletSession(false);
	if (session == null)
		return;
	Enumeration<String> attNames = session.getAttributeNames();
	while (attNames.hasMoreElements()) {
		String att = attNames.nextElement();
		if (att.startsWith("FLASH_"))
			session.removeAttribute(att);
	}
}
 

import javax.portlet.PortletSession; //导入方法依赖的package包/类
@Override
public void render(RenderRequest portletReq, RenderResponse portletResp)
      throws PortletException, IOException {

   long tid = Thread.currentThread().getId();
   portletReq.setAttribute(THREADID_ATTR, tid);

   PrintWriter writer = portletResp.getWriter();

   PortletSession ps = portletReq.getPortletSession();
   String msg = (String) ps.getAttribute(RESULT_ATTR_PREFIX + "DispatcherReqRespTests5S_SPEC2_19_ForwardServletActionResponse", APPLICATION_SCOPE);
   if (msg != null) {
      writer.write("<p>" + msg + "</p><br/>\n");
      ps.removeAttribute(RESULT_ATTR_PREFIX + "DispatcherReqRespTests5S_SPEC2_19_ForwardServletActionResponse", APPLICATION_SCOPE);
   }

   /* TestCase: V2DispatcherReqRespTests5S_SPEC2_19_ForwardServletActionResponse_sendRedirect */
   /* Details: "In a target servlet of a forward in the Action phase,      */
   /* the method HttpServletResponse.sendRedirect must provide the same    */
   /* functionality as ActionResponse.sendRedirect"                        */
   {
      PortletURL aurl = portletResp.createActionURL();
      aurl.setParameters(portletReq.getPrivateParameterMap());
      TestButton tb = new TestButton(V2DISPATCHERREQRESPTESTS5S_SPEC2_19_FORWARDSERVLETACTIONRESPONSE_SENDREDIRECT, aurl);
      tb.writeTo(writer);
   }

}