useragentoptions.java

java servlet著名论坛源代码

/*
 * $Header: /cvsroot/mvnforum/myvietnam/src/net/myvietnam/mvncore/filter/UserAgentOptions.java,v 1.8 2004/01/18 19:06:43 minhnn Exp $
 * $Author: minhnn $
 * $Revision: 1.8 $
 * $Date: 2004/01/18 19:06:43 $
 *
 * ====================================================================
 *
 * Copyright (C) 2002-2004 by MyVietnam.net
 *
 * 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 2
 * of the License, or any later version.
 *
 * All copyright notices regarding MyVietnam and MyVietnam CoreLib
 * MUST remain intact in the scripts and source code.
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Correspondence and Marketing Questions can be sent to:
 * [e-mail]
 *
 * @author: Minh Nguyen  [e-mail]
 * @author: Mai  Nguyen  [e-mail]
 */
package net.myvietnam.mvncore.filter;

import java.io.File;

import net.myvietnam.mvncore.configuration.DOM4JConfiguration;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import net.myvietnam.mvncore.util.FileUtil;

final class UserAgentOptions {

    private static Log log = LogFactory.getLog(UserAgentOptions.class);

    private static final String OPTION_FILE_NAME = "mvncore.xml";

    //default values
    String blockedUserAgent = "";

    UserAgentOptions() {
        try {
            String strPathName = FileUtil.getServletClassesPath();
            String configFilename = strPathName + OPTION_FILE_NAME;
            DOM4JConfiguration conf = new DOM4JConfiguration(new File(configFilename));

            blockedUserAgent = conf.getString("useragentoptions.blocked_user_agent", blockedUserAgent);
        } catch (Exception e) {
            String message = "net.myvietnam.mvncore.filter.UserAgentOptions: Can't read the configuration file: '" + OPTION_FILE_NAME + "'. Make sure the file is in your CLASSPATH";
            log.error(message, e);
        }
    }//constructor
}