Java tutorial
/** * 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 PblogMessageDeleteQuery * Used by <code>PblogMessage</code> bean * @author Smitha Gudur (smitha@redbasin.com) * @version $Revision: 1.1 $ */ class PblogMessageDeleteQuery { protected final Log logger = LogFactory.getLog(getClass()); /** * Deletes a pblog 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 pblog * @exception BaseDaoException */ public void run(Connection conn, String ridStr, String memberid, boolean isAdmin) throws BaseDaoException { /** * If user is an admin/organizer, don't check ownerid */ try { if (isAdmin) { String query = "delete LOW_PRIORITY from pblogmessages where rid=" + ridStr + " limit 1"; PreparedStatement stmt = conn.prepareStatement(query); stmt.executeUpdate(); } else { String query = "delete from pblogmessages where rid=" + ridStr + " and ownerid='" + memberid + "' limit 1"; PreparedStatement stmt = conn.prepareStatement(query); stmt.executeUpdate(); } } catch (Exception e) { throw new BaseDaoException( "Error in query, delete from pblogmessages where rid=" + ridStr + " and ownerid=" + memberid, e); } } }