br.com.manish.ahy.web.util.WebUtil.java Source code

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Here is the source code for br.com.manish.ahy.web.util.WebUtil.java

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//  Ahy - A pure java CMS.
//  Copyright (C) 2010 Sidney Leal (manish.com.br)
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program 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 General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.

package br.com.manish.ahy.web.util;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class WebUtil {
    private static final Log log = LogFactory.getLog(WebUtil.class);

    public static final String SESSION_INFO = "br.com.manish.ahy.sessionInfo";

    public static void setSessionAttribute(HttpServletRequest req, String attribute, Object value) {
        log.debug("Setting session attribute: " + attribute + " - " + value);
        HttpSession session = req.getSession(true);
        session.setAttribute(attribute, value);
    }

    public static Object getSessionAttribute(HttpServletRequest req, String attribute) {
        HttpSession session = req.getSession(true);
        return session.getAttribute(attribute);
    }

    public static SessionInfo getSessionInfo(HttpServletRequest req) {
        SessionInfo ret = (SessionInfo) getSessionAttribute(req, SESSION_INFO);
        if (ret == null) {
            ret = new SessionInfo();
            setSessionAttribute(req, SESSION_INFO, ret);
        }
        return ret;
    }

    public static String formatMessage(String msg, Object... items) {
        String ret = "";

        //TODO: internationalization here.
        ret = msg;

        if (items != null) {
            for (int i = 0; i < items.length; i++) {
                ret = msg.replaceAll("\\{" + i + "\\}", items[i].toString());
            }
        }
        return ret;
    }
}