minor - added comprehensive null checking.

This commit is contained in:
Heng Sin Low 2012-04-23 14:28:44 +08:00
parent 84e417a527
commit 4c4b53662f
1 changed files with 20 additions and 7 deletions

View File

@ -19,9 +19,12 @@ package org.adempiere.webui.session;
import java.util.Properties;
import org.adempiere.webui.AdempiereWebUI;
import org.adempiere.webui.IWebClient;
import org.adempiere.webui.desktop.IDesktop;
import org.compiere.util.Env;
import org.zkoss.zk.ui.Desktop;
import org.zkoss.zk.ui.Execution;
import org.zkoss.zk.ui.Executions;
import org.zkoss.zk.ui.Session;
@ -48,24 +51,29 @@ public class SessionManager
private static Session getSession()
{
return Executions.getCurrent().getDesktop().getSession();
Execution execution = Executions.getCurrent();
Desktop desktop = execution != null ? execution.getDesktop()
: (Desktop) Env.getCtx().get(AdempiereWebUI.ZK_DESKTOP_SESSION_KEY);
return desktop != null ? desktop.getSession() : null;
}
public static void setSessionApplication(IWebClient app)
{
Session session = getSession();
session.setAttribute(SESSION_APPLICATION, app);
if (session != null)
session.setAttribute(SESSION_APPLICATION, app);
}
public static IDesktop getAppDesktop()
{
return getSessionApplication().getAppDeskop();
IWebClient webClient = getSessionApplication();
return webClient != null ? webClient.getAppDeskop() : null;
}
public static IWebClient getSessionApplication()
{
Session session = getSession();
IWebClient app = (IWebClient)session.getAttribute(SESSION_APPLICATION);
IWebClient app = session != null ? (IWebClient)session.getAttribute(SESSION_APPLICATION) : null;
return app;
}
@ -73,12 +81,17 @@ public class SessionManager
{
Env.getCtx().clear();
Session session = getSession();
session.removeAttribute(SessionContextListener.SESSION_CTX);
session.invalidate();
if (session != null)
{
session.removeAttribute(SessionContextListener.SESSION_CTX);
session.invalidate();
}
}
public static void logoutSession()
{
getSessionApplication().logout();
IWebClient app = getSessionApplication();
if (app != null)
app.logout();
}
}