org.gatein.pc.samples.basic.SessionPortlet Maven / Gradle / Ivy
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* *
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* Lesser General Public License for more details. *
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package org.gatein.pc.samples.basic;
import javax.portlet.GenericPortlet;
import javax.portlet.PortletURL;
import javax.portlet.PortletSession;
import javax.portlet.ActionResponse;
import javax.portlet.PortletException;
import javax.portlet.RenderResponse;
import javax.portlet.ActionRequest;
import javax.portlet.RenderRequest;
import java.io.PrintWriter;
import java.io.IOException;
import java.util.Enumeration;
/**
* @author Julien Viet
* @version $Revision: 630 $
*/
public class SessionPortlet extends GenericPortlet
{
public void processAction(ActionRequest req, ActionResponse resp) throws PortletException, IOException
{
String name = req.getParameter("name");
String value = req.getParameter("value");
boolean portletScope = req.getParameter("portlet") != null;
if (name != null && value != null)
{
req.getPortletSession().setAttribute(name, value, portletScope ? PortletSession.PORTLET_SCOPE : PortletSession.APPLICATION_SCOPE);
}
if (req.getParameter("invalidate") != null)
{
req.getPortletSession().invalidate();
}
}
public void render(RenderRequest req, RenderResponse resp) throws PortletException, IOException
{
PortletSession session = req.getPortletSession(false);
PortletURL purl = resp.createActionURL();
//
resp.setContentType("text/html");
PrintWriter writer = resp.getWriter();
//
if (session == null)
{
writer.println("No session");
}
else
{
writer.println("Session id = " + session.getId());
writer.println("
");
//
print(session, PortletSession.PORTLET_SCOPE, writer);
writer.println("
");
//
print(session, PortletSession.APPLICATION_SCOPE, writer);
writer.println("
");
}
//
writer.println("
");
//
purl.setParameter("invalidate", "true");
writer.println("invalidate
");
}
private void print(PortletSession session, int scope, PrintWriter writer)
{
String scopeName = PortletSession.PORTLET_SCOPE == scope ? "portlet" : "application";
writer.println("Session attributes for " + scopeName + " scope:
");
Enumeration e = session.getAttributeNames(scope);
if (e.hasMoreElements())
{
writer.println("");
writer.println("name value ");
for (; e.hasMoreElements();)
{
String name = (String)e.nextElement();
Object value = session.getAttribute(name, scope);
writer.println("" + name + " " + value + " ");
}
writer.println("
");
}
else
{
writer.println("No attributes in " + scopeName + " scope!
");
}
}
}