com.liferay.portal.servlet.SharedSessionServletRequest.java Source code

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Here is the source code for com.liferay.portal.servlet.SharedSessionServletRequest.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.servlet;

import com.liferay.portal.resiliency.spi.agent.SPIAgentRequest;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import javax.servlet.http.HttpSession;

/**
 * @author Brian Wing Shun Chan
 * @author Brian Myunghun Kim
 */
public class SharedSessionServletRequest extends HttpServletRequestWrapper {

    public SharedSessionServletRequest(HttpServletRequest httpServletRequest, boolean shared) {

        super(httpServletRequest);

        _portalSession = httpServletRequest.getSession();
        _shared = shared;
    }

    @Override
    public HttpSession getSession() {
        return getSession(true);
    }

    @Override
    public HttpSession getSession(boolean create) {
        if (create) {
            checkPortalSession();
        }

        if (_shared) {
            return _portalSession;
        }

        HttpSession portletSession = super.getSession(create);

        if ((portletSession != null) && (portletSession != _portalSession)) {
            SPIAgentRequest.populatePortletSessionAttributes(this, portletSession);

            return getSharedSessionWrapper(_portalSession, portletSession);
        }

        return portletSession;
    }

    public HttpSession getSharedSession() {
        return _portalSession;
    }

    protected void checkPortalSession() {
        try {
            _portalSession.isNew();
        } catch (IllegalStateException ise) {
            _portalSession = super.getSession(true);
        }
    }

    protected HttpSession getSharedSessionWrapper(HttpSession portalSession, HttpSession portletSession) {

        return new SharedSessionWrapper(portalSession, portletSession);
    }

    private HttpSession _portalSession;
    private final boolean _shared;

}