dao.ColMessageDeleteQuery.java Source code

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Here is the source code for dao.ColMessageDeleteQuery.java

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/**
* Copyright (c) 2001-2012 "Redbasin Networks, INC," [http://redbasin.org]
*
* This file is part of Redbasin OpenDocShare community project.
*
* Redbasin OpenDocShare 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 dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * This class implements ColMessageDeleteQuery
 * Used by <code>ColMessage</code> bean
 * @author Smitha Gudur (smitha@redbasin.com)
 * @version $Revision: 1.1 $
 */
class ColMessageDeleteQuery {

    protected final Log logger = LogFactory.getLog(getClass());

    /**
     * Deletes a collabrum message
     * @param conn the connection
     * @param ridStr the reply id
     * @param memberid the id of the member
     * @param isAdmin - true if the user is a DiaryAdmin or a Moderator for this collabrum
     * @exception BaseDaoException
     */
    public void run(Connection conn, String ridStr, String memberid, boolean isAdmin) throws BaseDaoException {

        Integer rid = new Integer(ridStr);
        Long ownerid = new Long(memberid);

        /**
              *  If user is an admin/organizer, don't check ownerid
              **/
        try {
            if (isAdmin) {
                PreparedStatement stmt = conn
                        .prepareStatement("delete LOW_PRIORITY from collmessages where rid=" + rid + " limit 1");
                stmt.executeUpdate();
            } else {
                PreparedStatement stmt = conn.prepareStatement(
                        "delete from collmessages where rid=" + rid + " and ownerid='" + ownerid + "' limit 1");
                stmt.executeUpdate();
            }
        } catch (Exception e) {
            logger.warn("Error occured while executing db query ", e);
            throw new BaseDaoException("Error occured while executing db query ", e);
        }
    }
}