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//
// ========================================================================
// Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.server.session;
import java.io.IOException;
import java.io.Serializable;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.junit.Assert;
/**
* WebAppObjectInSessionServlet
*
*
*/
public class WebAppObjectInSessionServlet extends HttpServlet
{
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse httpServletResponse) throws ServletException, IOException
{
try
{
String action = request.getParameter("action");
if ("set".equals(action))
{
HttpSession session = request.getSession(true);
session.setAttribute("staticAttribute", new TestSharedStatic());
Object staticAttribute = session.getAttribute("staticAttribute");
Assert.assertTrue(staticAttribute instanceof TestSharedStatic);
// session.setAttribute("objectAttribute", new TestSharedNonStatic());
// The session itself is not shareable, since the implementation class
// refers to the session manager via the hidden field this$0, and
// it seems there is no way to mark the hidden field as transient.
// session.setAttribute("sessionAttribute", session);
}
else if ("get".equals(action))
{
HttpSession session = request.getSession(false);
Object staticAttribute = session.getAttribute("staticAttribute");
System.err.println("staticAttribute="+staticAttribute);
Assert.assertTrue(staticAttribute instanceof TestSharedStatic);
// Object objectAttribute = session.getAttribute("objectAttribute");
// Assert.assertTrue(objectAttribute instanceof TestSharedNonStatic);
// Object sessionAttribute = session.getAttribute("sessionAttribute");
// assertTrue(sessionAttribute instanceof HttpSession);
}
}
catch (Exception e)
{
// e.printStackTrace();
httpServletResponse.sendError(500,e.toString());
throw new ServletException(e);
}
}
// Non static inner classes are not shareable, because even if this class is portable,
// the hidden field this$0 refers to the servlet, which is a non portable class.
public class TestSharedNonStatic implements Serializable
{
}
// Static inner classes are shareable
public static class TestSharedStatic implements Serializable
{
}
}
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