/*
 * NOTE: This copyright does *not* cover user programs that use HQ
 * program services by normal system calls through the application
 * program interfaces provided as part of the Hyperic Plug-in Development
 * Kit or the Hyperic Client Development Kit - this is merely considered
 * normal use of the program, and does *not* fall under the heading of
 * "derived work".
 * 
 * Copyright (C) [2004, 2005, 2006], Hyperic, Inc.
 * This file is part of HQ.
 * 
 * HQ is free software; you can redistribute it and/or modify
 * it under the terms version 2 of the GNU General Public License as
 * published by the Free Software Foundation. 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.
 */

package org.hyperic.tools.db.priv;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

import org.hyperic.util.jdbc.JDBC;

public class PrivilegeCheckFactory {

    public static PrivilegeCheck getChecker (String jdbcUrl,
                                             String jdbcUsername,
                                             String jdbcPassword) 
        throws PrivilegeCheckException {

        PrivilegeCheck checker;
        Connection conn;
        try {
            Class.forName(JDBC.getDriverString(jdbcUrl));
        } catch (Exception e) {
            throw new IllegalStateException("Error loading jdbc driver "
                                            + "for url: " + jdbcUrl
                                            + ": " + e.toString());
        }
        try {
            conn = DriverManager.getConnection(jdbcUrl, jdbcUsername, jdbcPassword);
        } catch (SQLException e) {
            throw new IllegalStateException("Could not connect to: " 
                                            + jdbcUrl + ": " 
                                            + e.getMessage());
        }
        switch (JDBC.toType(jdbcUrl)) {
        case JDBC.ORACLE_THIN_TYPE:
            return new OracleUserPrivilegeCheck(conn);                   
        case JDBC.ORACLE_TYPE:
            return new OracleUserPrivilegeCheck(conn);                   
        default :
            return new DefaultPrivilegeCheck();                   
        }
    }

}