dao.ContactTagUpdateQuery.java Source code

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Here is the source code for dao.ContactTagUpdateQuery.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;
import util.RegexStrUtil;

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

    // From MySQL 4.1.0 on, LONG and LONG VARCHAR map to the MEDIUMTEXT data type. 
    // Currently we are using mysql 4.0.21, so cannot use LONGVARCHAR

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

    /**
     *  Method updates usertag information for a given contact id
     *  @param conn - the connection
     *  @param contactid - the contactid
     *  @param usertags - the usertags 
     *  @throws BaseDaoException - when error occurs
     **/
    public void run(Connection conn, String contactid, String usertags) throws BaseDaoException {

        byte[] mytags = { ' ' };
        if (!RegexStrUtil.isNull(usertags)) {
            mytags = usertags.getBytes();
        }

        try {
            String stmt = "update contactstag set usertags=? where contactid=" + contactid + " limit 1";
            PreparedStatement query = conn.prepareStatement(stmt);
            query.setBytes(1, mytags);
            query.executeUpdate();
        } catch (Exception e) {
            throw new BaseDaoException("Error occured while executing update contactstag", e);
        }
    }
}