Java tutorial
/********************************************************************************** * $URL: https://source.sakaiproject.org/contrib/etudes/sakai-jforum/tags/2.9.11/jforum-tool/src/java/org/etudes/jforum/dao/sqlserver/SqlServerPostDAO.java $ * $Id: SqlServerPostDAO.java 83559 2013-04-30 19:03:29Z murthy@etudes.org $ *********************************************************************************** * * Copyright (c) 2008 Etudes, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * Portions completed before July 1, 2004 Copyright (c) 2003, 2004 Rafael Steil, All rights reserved, licensed under the BSD license. * http://www.opensource.org/licenses/bsd-license.php * * Redistribution and use in source and binary forms, * with or without modification, are permitted provided * that the following conditions are met: * * 1) Redistributions of source code must retain the above * copyright notice, this list of conditions and the * following disclaimer. * 2) Redistributions in binary form must reproduce the * above copyright notice, this list of conditions and * the following disclaimer in the documentation and/or * other materials provided with the distribution. * 3) Neither the name of "Rafael Steil" nor * the names of its contributors may be used to endorse * or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER * IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE ***********************************************************************************/ package org.etudes.jforum.dao.sqlserver; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.util.ArrayList; import java.util.List; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.etudes.jforum.JForum; import org.etudes.jforum.entities.Post; import org.etudes.jforum.util.preferences.SystemGlobals; /** * @author Andre de Andrade da Silva - andre.de.andrade@gmail.com * @version $Id: SqlServerPostDAO.java 83559 2013-04-30 19:03:29Z murthy@etudes.org $ */ public class SqlServerPostDAO extends org.etudes.jforum.dao.generic.GenericPostDAO { private static Log logger = LogFactory.getLog(SqlServerPostDAO.class); /** * @see org.etudes.jforum.dao.PostDAO#selectById(int) */ public Post selectById(int postId) throws Exception { PreparedStatement p = JForum.getConnection().prepareStatement(SystemGlobals.getSql("PostModel.selectById"), ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE); p.setInt(1, postId); ResultSet rs = p.executeQuery(); Post post = new Post(); if (rs.next()) { post = this.makePost(rs); } rs.close(); p.close(); return post; } /** * @see org.etudes.jforum.dao.PostDAO#selectAllByTopicByLimit(int, int, int) */ public List selectAllByTopicByLimit(int topicId, int startFrom, int count) throws Exception { List l = new ArrayList(); String top = SystemGlobals.getSql("GenericModel.selectByLimit"); PreparedStatement p = JForum.getConnection().prepareStatement( top + " " + count + " " + SystemGlobals.getSql("PostModel.selectAllByTopicByLimit1") + " " + top + " " + startFrom + " " + SystemGlobals.getSql("PostModel.selectAllByTopicByLimit2"), ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE); if (logger.isDebugEnabled()) logger.debug(top + " " + count + " " + SystemGlobals.getSql("PostModel.selectAllByTopicByLimit1") + " " + top + " " + startFrom + " " + SystemGlobals.getSql("PostModel.selectAllByTopicByLimit2")); p.setInt(1, topicId); p.setInt(2, topicId); ResultSet rs = p.executeQuery(); while (rs.next()) { l.add(this.makePost(rs)); } rs.close(); p.close(); return l; } }