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Liferay Application List API

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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.application.list;

import com.liferay.portal.kernel.model.Group;

import javax.servlet.http.HttpServletRequest;

/**
 * Provides an interface that defines how a Group (in
 * portal-kernel) associated with a servlet request is stored and
 * retrieved.
 *
 * @author Julio Camarero
 */
public interface GroupProvider {

	/**
	 * Returns the Group associated with the request.
	 *
	 * @param  request the servlet request used to retrieve the group
	 * @return the Group associated with the request
	 */
	public Group getGroup(HttpServletRequest request);

	/**
	 * Sets the Group to associate with the request.
	 *
	 * @param request the servlet request used to associate the
	 *        Group
	 * @param group the Group to associate with the request
	 */
	public void setGroup(HttpServletRequest request, Group group);

}