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GenericCategoryDAO.java
Package: jforum-2.1.8-src.zip [view]
Upload User: gdxydsw
Upload Date: 2019-01-29
Package Size: 16721k
Code Size: 7k
Category:
Java Develop
Development Platform:
Java
- /*
- * Copyright (c) JForum Team
- * All rights reserved.
- *
- * 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
- *
- * This file creation date: Mar 6, 2003 / 11:09:34 PM
- * The JForum Project
- * http://www.jforum.net
- */
- package net.jforum.dao.generic;
- import java.sql.PreparedStatement;
- import java.sql.ResultSet;
- import java.sql.SQLException;
- import java.util.ArrayList;
- import java.util.List;
- import net.jforum.JForumExecutionContext;
- import net.jforum.entities.Category;
- import net.jforum.exceptions.DatabaseException;
- import net.jforum.util.DbUtils;
- import net.jforum.util.preferences.SystemGlobals;
- /**
- * @author Rafael Steil
- * @version $Id: GenericCategoryDAO.java,v 1.9 2007/07/28 14:17:10 rafaelsteil Exp $
- */
- public class GenericCategoryDAO extends AutoKeys implements net.jforum.dao.CategoryDAO
- {
- /**
- * @see net.jforum.dao.CategoryDAO#selectById(int)
- */
- public Category selectById(int categoryId)
- {
- PreparedStatement p = null;
- ResultSet rs = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(
- SystemGlobals.getSql("CategoryModel.selectById"));
- p.setInt(1, categoryId);
- rs = p.executeQuery();
- Category c = new Category();
- if (rs.next()) {
- c = this.getCategory(rs);
- }
- return c;
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- /**
- * @see net.jforum.dao.CategoryDAO#selectAll()
- */
- public List selectAll()
- {
- PreparedStatement p = null;
- ResultSet rs = null;
- try {
- p = JForumExecutionContext.getConnection()
- .prepareStatement(SystemGlobals.getSql("CategoryModel.selectAll"));
- List l = new ArrayList();
- rs = p.executeQuery();
- while (rs.next()) {
- l.add(this.getCategory(rs));
- }
- return l;
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- protected Category getCategory(ResultSet rs) throws SQLException
- {
- Category c = new Category();
- c.setId(rs.getInt("categories_id"));
- c.setName(rs.getString("title"));
- c.setOrder(rs.getInt("display_order"));
- c.setModerated(rs.getInt("moderated") == 1);
- return c;
- }
- /**
- * @see net.jforum.dao.CategoryDAO#canDelete(int)
- */
- public boolean canDelete(int categoryId)
- {
- PreparedStatement p = null;
- ResultSet rs = null;
- try {
- p = JForumExecutionContext.getConnection()
- .prepareStatement(SystemGlobals.getSql("CategoryModel.canDelete"));
- p.setInt(1, categoryId);
- rs = p.executeQuery();
- return !rs.next() || rs.getInt("total") < 1;
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- /**
- * @see net.jforum.dao.CategoryDAO#delete(int)
- */
- public void delete(int categoryId)
- {
- PreparedStatement p = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(SystemGlobals.getSql("CategoryModel.delete"));
- p.setInt(1, categoryId);
- p.executeUpdate();
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(p);
- }
- }
- /**
- * @see net.jforum.dao.CategoryDAO#update(net.jforum.entities.Category)
- */
- public void update(Category category)
- {
- PreparedStatement p = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(SystemGlobals.getSql("CategoryModel.update"));
- p.setString(1, category.getName());
- p.setInt(2, category.isModerated() ? 1 : 0);
- p.setInt(3, category.getId());
- p.executeUpdate();
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(p);
- }
- }
- /**
- * @see net.jforum.dao.CategoryDAO#addNew(net.jforum.entities.Category)
- */
- public int addNew(Category category)
- {
- int order = 1;
- ResultSet rs = null;
- PreparedStatement p = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(
- SystemGlobals.getSql("CategoryModel.getMaxOrder"));
- rs = p.executeQuery();
- if (rs.next()) {
- order = rs.getInt(1) + 1;
- }
- rs.close();
- rs = null;
- p.close();
- p = null;
- p = this.getStatementForAutoKeys("CategoryModel.addNew");
- p.setString(1, category.getName());
- p.setInt(2, order);
- p.setInt(3, category.isModerated() ? 1 : 0);
- this.setAutoGeneratedKeysQuery(SystemGlobals.getSql("CategoryModel.lastGeneratedCategoryId"));
- int id = this.executeAutoKeysQuery(p);
- category.setId(id);
- category.setOrder(order);
- return id;
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- /**
- * @see net.jforum.dao.CategoryDAO#setOrderUp(Category, Category)
- */
- public void setOrderUp(Category category, Category relatedCategory)
- {
- this.setOrder(category, relatedCategory);
- }
- /**
- * @see net.jforum.dao.CategoryDAO#setOrderDown(Category, Category)
- */
- public void setOrderDown(Category category, Category relatedCategory)
- {
- this.setOrder(category, relatedCategory);
- }
- /**
- * @param category Category
- * @param otherCategory Category
- */
- private void setOrder(Category category, Category otherCategory)
- {
- int tmpOrder = otherCategory.getOrder();
- otherCategory.setOrder(category.getOrder());
- category.setOrder(tmpOrder);
- PreparedStatement p = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(
- SystemGlobals.getSql("CategoryModel.setOrderById"));
- p.setInt(1, otherCategory.getOrder());
- p.setInt(2, otherCategory.getId());
- p.executeUpdate();
- p.close();
- p = null;
- p = JForumExecutionContext.getConnection().prepareStatement(
- SystemGlobals.getSql("CategoryModel.setOrderById"));
- p.setInt(1, category.getOrder());
- p.setInt(2, category.getId());
- p.executeUpdate();
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(p);
- }
- }
- }