Code/Resource
Windows Develop
Linux-Unix program
Internet-Socket-Network
Web Server
Browser Client
Ftp Server
Ftp Client
Browser Plugins
Proxy Server
Email Server
Email Client
WEB Mail
Firewall-Security
Telnet Server
Telnet Client
ICQ-IM-Chat
Search Engine
Sniffer Package capture
Remote Control
xml-soap-webservice
P2P
WEB(ASP,PHP,...)
TCP/IP Stack
SNMP
Grid Computing
SilverLight
DNS
Cluster Service
Network Security
Communication-Mobile
Game Program
Editor
Multimedia program
Graph program
Compiler program
Compress-Decompress algrithms
Crypt_Decrypt algrithms
Mathimatics-Numerical algorithms
MultiLanguage
Disk/Storage
Java Develop
assembly language
Applications
Other systems
Database system
Embeded-SCM Develop
FlashMX/Flex
source in ebook
Delphi VCL
OS Develop
MiddleWare
MPI
MacOS develop
LabView
ELanguage
Software/Tools
E-Books
Artical/Document
GenericPollDAO.java
Package: jforum-2.1.8-src.zip [view]
Upload User: gdxydsw
Upload Date: 2019-01-29
Package Size: 16721k
Code Size: 11k
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
- *
- * Created on 21/05/2004 - 14:19:11
- * The JForum Project
- * http://www.jforum.net
- */
- package net.jforum.dao.generic;
- import java.sql.Connection;
- import java.sql.PreparedStatement;
- import java.sql.ResultSet;
- import java.sql.SQLException;
- import java.util.Date;
- import java.util.Iterator;
- import java.util.List;
- import net.jforum.JForumExecutionContext;
- import net.jforum.dao.PollDAO;
- import net.jforum.entities.Poll;
- import net.jforum.entities.PollOption;
- import net.jforum.exceptions.DatabaseException;
- import net.jforum.util.DbUtils;
- import net.jforum.util.preferences.SystemGlobals;
- /**
- * @author David Almilli
- * @version $Id: GenericPollDAO.java,v 1.9 2007/08/01 22:30:03 rafaelsteil Exp $
- */
- public class GenericPollDAO extends AutoKeys implements PollDAO
- {
- /**
- * @see net.jforum.dao.PollDAO#addNew(net.jforum.entities.Poll)
- */
- public int addNew(Poll poll)
- {
- this.addNewPoll(poll);
- this.addNewPollOptions(poll.getId(), poll.getOptions());
- return poll.getId();
- }
- protected void addNewPoll(Poll poll)
- {
- PreparedStatement p = null;
- try {
- p = this.getStatementForAutoKeys("PollModel.addNewPoll");
- p.setInt(1, poll.getTopicId());
- p.setString(2, poll.getLabel());
- p.setInt(3, poll.getLength());
- this.setAutoGeneratedKeysQuery(SystemGlobals.getSql("PollModel.lastGeneratedPollId"));
- int pollId = this.executeAutoKeysQuery(p);
- poll.setId(pollId);
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(p);
- }
- }
- protected void addNewPollOptions(int pollId, List options)
- {
- Connection connection = JForumExecutionContext.getConnection();
- PreparedStatement p = null;
- ResultSet rs = null;
- try {
- p = connection.prepareStatement(SystemGlobals.getSql("PollModel.selectMaxVoteId"));
- p.setInt(1, pollId);
- rs = p.executeQuery();
- rs.next();
- int optionId = rs.getInt(1);
- rs.close();
- rs = null;
- p.close();
- p = null;
- p = connection.prepareStatement(SystemGlobals.getSql("PollModel.addNewPollOption"));
- for (Iterator iter = options.iterator(); iter.hasNext();) {
- PollOption option = (PollOption) iter.next();
- p.setInt(1, pollId);
- p.setInt(2, ++optionId);
- p.setString(3, option.getText());
- p.executeUpdate();
- }
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- /**
- * @see net.jforum.dao.PollDAO#selectById(int)
- */
- public Poll selectById(int pollId)
- {
- PreparedStatement p = null;
- PreparedStatement o = null;
- ResultSet ors = null;
- ResultSet prs = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(SystemGlobals.getSql("PollModel.selectById"));
- p.setInt(1, pollId);
- prs = p.executeQuery();
- Poll poll = null;
- if (prs.next()) {
- poll = this.makePoll(prs);
- o = JForumExecutionContext.getConnection().prepareStatement(
- SystemGlobals.getSql("PollModel.selectOptionsByPollId"));
- o.setInt(1, pollId);
- ors = o.executeQuery();
- while (ors.next()) {
- poll.addOption(this.makePollOption(ors));
- }
- }
- return poll;
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(prs, p);
- DbUtils.close(ors, o);
- }
- }
- protected Poll makePoll(ResultSet rs) throws SQLException
- {
- Poll poll = new Poll();
- poll.setId(rs.getInt("vote_id"));
- poll.setTopicId(rs.getInt("topic_id"));
- poll.setLabel(rs.getString("vote_text"));
- poll.setStartTime(new Date(rs.getTimestamp("vote_start").getTime()));
- poll.setLength(rs.getInt("vote_length"));
- return poll;
- }
- protected PollOption makePollOption(ResultSet rs) throws SQLException
- {
- PollOption option = new PollOption();
- option.setPollId(rs.getInt("vote_id"));
- option.setId(rs.getInt("vote_option_id"));
- option.setText(rs.getString("vote_option_text"));
- option.setVoteCount(rs.getInt("vote_result"));
- return option;
- }
- /**
- * @see net.jforum.dao.PollDAO#voteOnPoll(int, int, int, java.lang.String)
- */
- public void voteOnPoll(int pollId, int optionId, int userId, String ipAddress)
- {
- Connection connection = JForumExecutionContext.getConnection();
- PreparedStatement v = null;
- PreparedStatement p = null;
- try {
- p = connection.prepareStatement(SystemGlobals.getSql("PollModel.incrementVoteCount"));
- v = connection.prepareStatement(SystemGlobals.getSql("PollModel.addNewVoter"));
- p.setInt(1, pollId);
- p.setInt(2, optionId);
- v.setInt(1, pollId);
- v.setInt(2, userId);
- v.setString(3, ipAddress);
- p.executeUpdate();
- v.executeUpdate();
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(p);
- DbUtils.close(v);
- }
- }
- /**
- * @see net.jforum.dao.PollDAO#hasVotedOnPoll(int, int)
- */
- public boolean hasUserVotedOnPoll(int pollId, int userId)
- {
- PreparedStatement p = null;
- ResultSet rs = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(SystemGlobals.getSql("PollModel.selectVoter"));
- p.setInt(1, pollId);
- p.setInt(2, userId);
- rs = p.executeQuery();
- return rs.next();
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- /**
- * Tells if the anonymous user has already voted on the given poll from the given IP
- *
- * @param pollId
- * the poll id that is being checked
- * @param ipAddress
- * the IP address of the anonymoususer to check the vote for
- * @return true if the user has already voted on the given poll
- */
- public boolean hasUserVotedOnPoll(int pollId, String ipAddress)
- {
- PreparedStatement p = null;
- ResultSet rs = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(
- SystemGlobals.getSql("PollModel.selectVoterByIP"));
- p.setInt(1, pollId);
- p.setString(2, ipAddress);
- rs = p.executeQuery();
- return rs.next();
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- /**
- * @see net.jforum.dao.PollDAO#delete(int)
- */
- public void deleteByTopicId(int topicId)
- {
- // first, lookup the poll id, then delete it
- PreparedStatement p = null;
- ResultSet rs = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(
- SystemGlobals.getSql("PollModel.selectPollByTopicId"));
- p.setInt(1, topicId);
- rs = p.executeQuery();
- int pollId = 0;
- if (rs.next()) {
- pollId = rs.getInt("vote_id");
- }
- if (pollId != 0) {
- delete(pollId);
- }
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- /**
- * @see net.jforum.dao.PollDAO#delete(int)
- */
- public void delete(int pollId)
- {
- this.deletePollVotes(pollId);
- this.deleteAllPollOptions(pollId);
- this.deletePoll(pollId);
- }
- protected void deletePoll(int pollId)
- {
- PreparedStatement poll = null;
- try {
- poll = JForumExecutionContext.getConnection()
- .prepareStatement(SystemGlobals.getSql("PollModel.deletePoll"));
- poll.setInt(1, pollId);
- poll.executeUpdate();
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(poll);
- }
- }
- protected void deletePollVotes(int pollId)
- {
- PreparedStatement poll = null;
- try {
- poll = JForumExecutionContext.getConnection().prepareStatement(
- SystemGlobals.getSql("PollModel.deletePollVoters"));
- poll.setInt(1, pollId);
- poll.executeUpdate();
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(poll);
- }
- }
- protected void deleteAllPollOptions(int pollId)
- {
- PreparedStatement poll = null;
- try {
- poll = JForumExecutionContext.getConnection().prepareStatement(
- SystemGlobals.getSql("PollModel.deleteAllPollOptions"));
- poll.setInt(1, pollId);
- poll.executeUpdate();
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(poll);
- }
- }
- protected void deletePollOptions(int pollId, List deleted) throws SQLException
- {
- Connection connection = JForumExecutionContext.getConnection();
- PreparedStatement options = null;
- try {
- options = connection.prepareStatement(SystemGlobals.getSql("PollModel.deletePollOption"));
- for (Iterator iter = deleted.iterator(); iter.hasNext();) {
- PollOption o = (PollOption) iter.next();
- // Option
- options.setInt(1, pollId);
- options.setInt(2, o.getId());
- options.executeUpdate();
- }
- }
- finally {
- DbUtils.close(options);
- }
- }
- protected void updatePollOptions(int pollId, List options) throws SQLException
- {
- PreparedStatement p = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(
- SystemGlobals.getSql("PollModel.updatePollOption"));
- for (Iterator iter = options.iterator(); iter.hasNext();) {
- PollOption o = (PollOption) iter.next();
- p.setString(1, o.getText());
- p.setInt(2, o.getId());
- p.setInt(3, pollId);
- p.executeUpdate();
- }
- }
- finally {
- DbUtils.close(p);
- }
- }
- /**
- * @see net.jforum.dao.PollDAO#update(net.jforum.entities.Poll)
- */
- public void update(Poll poll)
- {
- try {
- this.updatePoll(poll);
- if (poll.getChanges() != null) {
- this.deletePollOptions(poll.getId(), poll.getChanges().getDeletedOptions());
- this.updatePollOptions(poll.getId(), poll.getChanges().getChangedOptions());
- this.addNewPollOptions(poll.getId(), poll.getChanges().getNewOptions());
- }
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- }
- protected void updatePoll(Poll poll) throws SQLException
- {
- PreparedStatement p = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(SystemGlobals.getSql("PollModel.updatePoll"));
- p.setString(1, poll.getLabel());
- p.setInt(2, poll.getLength());
- p.setInt(3, poll.getId());
- p.executeUpdate();
- }
- finally {
- DbUtils.close(p);
- }
- }
- }