mirror of
https://github.com/mcMMO-Dev/mcMMO.git
synced 2026-02-19 02:12:58 +01:00
Database.java cleanup
This commit is contained in:
@@ -1,173 +1,164 @@
|
||||
/*
|
||||
This file is part of mcMMO.
|
||||
|
||||
mcMMO 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.
|
||||
|
||||
mcMMO 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 mcMMO. If not, see <http://www.gnu.org/licenses/>.
|
||||
* Copyright (C) 2012 Matt 'The Yeti' Burnett & mcMMO Development
|
||||
* Copyright (C) 2010-2011 'nossr50'
|
||||
*
|
||||
* This program 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 com.gmail.nossr50;
|
||||
|
||||
import java.sql.Connection;
|
||||
import java.sql.DriverManager;
|
||||
import java.sql.ResultSet;
|
||||
import java.sql.SQLException;
|
||||
import java.sql.PreparedStatement;
|
||||
import java.util.HashMap;
|
||||
import java.util.ArrayList;
|
||||
import java.sql.PreparedStatement;
|
||||
import java.util.Properties;
|
||||
|
||||
import com.gmail.nossr50.config.LoadProperties;
|
||||
|
||||
import datatypes.DatabaseUpdate;
|
||||
|
||||
public class Database {
|
||||
|
||||
private mcMMO plugin;
|
||||
private String connectionString = "jdbc:mysql://" + LoadProperties.MySQLserverName + ":" + LoadProperties.MySQLport + "/" + LoadProperties.MySQLdbName + "?user=" + LoadProperties.MySQLuserName + "&password=" + LoadProperties.MySQLdbPass;
|
||||
private boolean isConnected = false;
|
||||
private Connection conn = null;
|
||||
|
||||
public void connect()
|
||||
{
|
||||
try
|
||||
{
|
||||
System.out.println("[mcMMO] Attempting connection to MySQL...");
|
||||
java.util.Properties conProperties = new java.util.Properties();
|
||||
conProperties.put("autoReconnect", "true");
|
||||
conProperties.put("maxReconnects", "3");
|
||||
conn = DriverManager.getConnection(connectionString, conProperties);
|
||||
isConnected = true;
|
||||
System.out.println("[mcMMO] Connection to MySQL established!");
|
||||
} catch (SQLException ex)
|
||||
{
|
||||
isConnected = false;
|
||||
ex.printStackTrace();
|
||||
System.out.println("SQLException: " + ex.getMessage());
|
||||
System.out.println("SQLState: " + ex.getSQLState());
|
||||
System.out.println("VendorError: " + ex.getErrorCode());
|
||||
}
|
||||
}
|
||||
|
||||
public boolean isConnected()
|
||||
{
|
||||
return isConnected;
|
||||
}
|
||||
private mcMMO plugin;
|
||||
private String connectionString = "jdbc:mysql://" + LoadProperties.MySQLserverName + ":" + LoadProperties.MySQLport + "/" + LoadProperties.MySQLdbName + "?user=" + LoadProperties.MySQLuserName + "&password=" + LoadProperties.MySQLdbPass;
|
||||
private boolean isConnected;
|
||||
private Connection conn = null;
|
||||
|
||||
public Database(mcMMO instance) {
|
||||
connect(); //Connect to MySQL
|
||||
this.plugin = instance;
|
||||
// Load the driver instance
|
||||
try {
|
||||
Class.forName("com.mysql.jdbc.Driver");
|
||||
DriverManager.getConnection(connectionString);
|
||||
} catch (ClassNotFoundException e) {
|
||||
plugin.getServer().getLogger().warning(e.getLocalizedMessage());
|
||||
} catch (SQLException e) {
|
||||
plugin.getServer().getLogger().warning(e.getLocalizedMessage());
|
||||
System.out.println("SQLException: " + e.getMessage());
|
||||
System.out.println("SQLState: " + e.getSQLState());
|
||||
System.out.println("VendorError: " + e.getErrorCode());
|
||||
}
|
||||
}
|
||||
|
||||
//Create the DB structure
|
||||
public void createStructure() {
|
||||
Write("CREATE TABLE IF NOT EXISTS `" + LoadProperties.MySQLtablePrefix + "huds` (`user_id` int(10) unsigned NOT NULL,"
|
||||
+ "`hudtype` varchar(50) NOT NULL DEFAULT '',"
|
||||
+ "PRIMARY KEY (`user_id`)) ENGINE=MyISAM DEFAULT CHARSET=latin1;");
|
||||
Write("CREATE TABLE IF NOT EXISTS `" + LoadProperties.MySQLtablePrefix + "users` (`id` int(10) unsigned NOT NULL AUTO_INCREMENT,"
|
||||
+ "`user` varchar(40) NOT NULL,"
|
||||
+ "`lastlogin` int(32) unsigned NOT NULL,"
|
||||
+ "`party` varchar(100) NOT NULL DEFAULT '',"
|
||||
+ "PRIMARY KEY (`id`),"
|
||||
+ "UNIQUE KEY `user` (`user`)) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=1;");
|
||||
Write("CREATE TABLE IF NOT EXISTS `" + LoadProperties.MySQLtablePrefix + "cooldowns` (`user_id` int(10) unsigned NOT NULL,"
|
||||
+ "`taming` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`mining` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`woodcutting` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`repair` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`unarmed` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`herbalism` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`excavation` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`archery` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`swords` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`axes` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`acrobatics` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`blast_mining` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "PRIMARY KEY (`user_id`)) ENGINE=MyISAM DEFAULT CHARSET=latin1;");
|
||||
Write("CREATE TABLE IF NOT EXISTS `" + LoadProperties.MySQLtablePrefix + "skills` (`user_id` int(10) unsigned NOT NULL,"
|
||||
+ "`taming` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`mining` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`woodcutting` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`repair` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`unarmed` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`herbalism` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`excavation` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`archery` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`swords` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`axes` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`acrobatics` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "PRIMARY KEY (`user_id`)) ENGINE=MyISAM DEFAULT CHARSET=latin1;");
|
||||
Write("CREATE TABLE IF NOT EXISTS `" + LoadProperties.MySQLtablePrefix + "experience` (`user_id` int(10) unsigned NOT NULL,"
|
||||
+ "`taming` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`mining` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`woodcutting` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`repair` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`unarmed` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`herbalism` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`excavation` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`archery` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`swords` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`axes` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`acrobatics` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "PRIMARY KEY (`user_id`)) ENGINE=MyISAM DEFAULT CHARSET=latin1;");
|
||||
|
||||
Write("DROP TABLE IF EXISTS `"+LoadProperties.MySQLtablePrefix+"skills2`");
|
||||
Write("DROP TABLE IF EXISTS `"+LoadProperties.MySQLtablePrefix+"experience2`");
|
||||
Write("DROP TABLE IF EXISTS `"+LoadProperties.MySQLtablePrefix+"spawn`");
|
||||
|
||||
checkDatabaseStructure();
|
||||
checkDatabaseStructureForBlastMining();
|
||||
}
|
||||
public Database(mcMMO instance) {
|
||||
connect(); //Connect to MySQL
|
||||
this.plugin = instance;
|
||||
|
||||
public void checkDatabaseStructure()
|
||||
{
|
||||
String sql = "SELECT * FROM `"+LoadProperties.MySQLtablePrefix+"experience` ORDER BY `"+LoadProperties.MySQLtablePrefix+"experience`.`fishing` ASC LIMIT 0 , 30";
|
||||
|
||||
ResultSet rs = null;
|
||||
HashMap<Integer, ArrayList<String>> Rows = new HashMap<Integer, ArrayList<String>>();
|
||||
try {
|
||||
PreparedStatement stmt = conn.prepareStatement(sql);
|
||||
if (stmt.executeQuery() != null) {
|
||||
stmt.executeQuery();
|
||||
rs = stmt.getResultSet();
|
||||
while (rs.next()) {
|
||||
ArrayList<String> Col = new ArrayList<String>();
|
||||
for (int i = 1; i <= rs.getMetaData().getColumnCount(); i++) {
|
||||
Col.add(rs.getString(i));
|
||||
}
|
||||
Rows.put(rs.getRow(), Col);
|
||||
}
|
||||
}
|
||||
} catch (SQLException ex) {
|
||||
System.out.println("Updating mcMMO MySQL tables for Fishing...");
|
||||
Write("ALTER TABLE `"+LoadProperties.MySQLtablePrefix + "skills` ADD `fishing` int(10) NOT NULL DEFAULT '0' ;");
|
||||
Write("ALTER TABLE `"+LoadProperties.MySQLtablePrefix + "experience` ADD `fishing` int(10) NOT NULL DEFAULT '0' ;");
|
||||
}
|
||||
}
|
||||
|
||||
public void checkDatabaseStructureForBlastMining()
|
||||
{
|
||||
String sql = "SELECT * FROM `"+LoadProperties.MySQLtablePrefix+"cooldowns` ORDER BY `"+LoadProperties.MySQLtablePrefix+"cooldowns`.`blast_mining` ASC LIMIT 0 , 30";
|
||||
|
||||
// Load the driver instance
|
||||
try {
|
||||
Class.forName("com.mysql.jdbc.Driver");
|
||||
DriverManager.getConnection(connectionString);
|
||||
}
|
||||
catch (ClassNotFoundException e) {
|
||||
plugin.getServer().getLogger().warning(e.getLocalizedMessage());
|
||||
}
|
||||
catch (SQLException ex) {
|
||||
plugin.getServer().getLogger().warning(ex.getLocalizedMessage());
|
||||
printErrors(ex);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Attempt to connect to the mySQL database.
|
||||
*/
|
||||
public void connect() {
|
||||
try {
|
||||
System.out.println("[mcMMO] Attempting connection to MySQL...");
|
||||
Properties conProperties = new Properties();
|
||||
conProperties.put("autoReconnect", "true");
|
||||
conProperties.put("maxReconnects", "3");
|
||||
conn = DriverManager.getConnection(connectionString, conProperties);
|
||||
isConnected = true;
|
||||
System.out.println("[mcMMO] Connection to MySQL established!");
|
||||
}
|
||||
catch (SQLException ex) {
|
||||
isConnected = false;
|
||||
ex.printStackTrace();
|
||||
printErrors(ex);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Attempt to create the database structure.
|
||||
*/
|
||||
public void createStructure() {
|
||||
write("CREATE TABLE IF NOT EXISTS `" + LoadProperties.MySQLtablePrefix + "huds` (`user_id` int(10) unsigned NOT NULL,"
|
||||
+ "`hudtype` varchar(50) NOT NULL DEFAULT '',"
|
||||
+ "PRIMARY KEY (`user_id`)) ENGINE=MyISAM DEFAULT CHARSET=latin1;");
|
||||
write("CREATE TABLE IF NOT EXISTS `" + LoadProperties.MySQLtablePrefix + "users` (`id` int(10) unsigned NOT NULL AUTO_INCREMENT,"
|
||||
+ "`user` varchar(40) NOT NULL,"
|
||||
+ "`lastlogin` int(32) unsigned NOT NULL,"
|
||||
+ "`party` varchar(100) NOT NULL DEFAULT '',"
|
||||
+ "PRIMARY KEY (`id`),"
|
||||
+ "UNIQUE KEY `user` (`user`)) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=1;");
|
||||
write("CREATE TABLE IF NOT EXISTS `" + LoadProperties.MySQLtablePrefix + "cooldowns` (`user_id` int(10) unsigned NOT NULL,"
|
||||
+ "`taming` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`mining` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`woodcutting` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`repair` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`unarmed` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`herbalism` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`excavation` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`archery` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`swords` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`axes` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`acrobatics` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`blast_mining` int(32) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "PRIMARY KEY (`user_id`)) ENGINE=MyISAM DEFAULT CHARSET=latin1;");
|
||||
write("CREATE TABLE IF NOT EXISTS `" + LoadProperties.MySQLtablePrefix + "skills` (`user_id` int(10) unsigned NOT NULL,"
|
||||
+ "`taming` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`mining` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`woodcutting` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`repair` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`unarmed` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`herbalism` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`excavation` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`archery` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`swords` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`axes` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`acrobatics` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "PRIMARY KEY (`user_id`)) ENGINE=MyISAM DEFAULT CHARSET=latin1;");
|
||||
write("CREATE TABLE IF NOT EXISTS `" + LoadProperties.MySQLtablePrefix + "experience` (`user_id` int(10) unsigned NOT NULL,"
|
||||
+ "`taming` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`mining` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`woodcutting` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`repair` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`unarmed` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`herbalism` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`excavation` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`archery` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`swords` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`axes` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "`acrobatics` int(10) unsigned NOT NULL DEFAULT '0',"
|
||||
+ "PRIMARY KEY (`user_id`)) ENGINE=MyISAM DEFAULT CHARSET=latin1;");
|
||||
|
||||
write("DROP TABLE IF EXISTS `"+LoadProperties.MySQLtablePrefix+"skills2`");
|
||||
write("DROP TABLE IF EXISTS `"+LoadProperties.MySQLtablePrefix+"experience2`");
|
||||
write("DROP TABLE IF EXISTS `"+LoadProperties.MySQLtablePrefix+"spawn`");
|
||||
|
||||
checkDatabaseStructure(DatabaseUpdate.FISHING);
|
||||
checkDatabaseStructure(DatabaseUpdate.BLAST_MINING);
|
||||
}
|
||||
|
||||
/**
|
||||
* Check database structure for missing values.
|
||||
*
|
||||
* @param update Type of data to check updates for
|
||||
*/
|
||||
public void checkDatabaseStructure(DatabaseUpdate update) {
|
||||
String sql = null;
|
||||
ResultSet rs = null;
|
||||
HashMap<Integer, ArrayList<String>> Rows = new HashMap<Integer, ArrayList<String>>();
|
||||
|
||||
switch (update) {
|
||||
case BLAST_MINING:
|
||||
sql = "SELECT * FROM `"+LoadProperties.MySQLtablePrefix+"cooldowns` ORDER BY `"+LoadProperties.MySQLtablePrefix+"cooldowns`.`blast_mining` ASC LIMIT 0 , 30";
|
||||
break;
|
||||
case FISHING:
|
||||
sql = "SELECT * FROM `"+LoadProperties.MySQLtablePrefix+"experience` ORDER BY `"+LoadProperties.MySQLtablePrefix+"experience`.`fishing` ASC LIMIT 0 , 30";
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
try {
|
||||
PreparedStatement stmt = conn.prepareStatement(sql);
|
||||
if (stmt.executeQuery() != null) {
|
||||
@@ -181,111 +172,138 @@ public class Database {
|
||||
Rows.put(rs.getRow(), Col);
|
||||
}
|
||||
}
|
||||
} catch (SQLException ex) {
|
||||
System.out.println("Updating mcMMO MySQL tables for Blast Mining...");
|
||||
Write("ALTER TABLE `"+LoadProperties.MySQLtablePrefix + "cooldowns` ADD `blast_mining` int(32) NOT NULL DEFAULT '0' ;");
|
||||
}
|
||||
}
|
||||
|
||||
// write query
|
||||
public boolean Write(String sql) {
|
||||
if(conn != null)
|
||||
{
|
||||
try {
|
||||
PreparedStatement stmt = conn.prepareStatement(sql);
|
||||
stmt.executeUpdate();
|
||||
return true;
|
||||
} catch (SQLException ex) {
|
||||
System.out.println("SQLException: " + ex.getMessage());
|
||||
System.out.println("SQLState: " + ex.getSQLState());
|
||||
System.out.println("VendorError: " + ex.getErrorCode());
|
||||
return false;
|
||||
}
|
||||
} else
|
||||
{
|
||||
isConnected = false;
|
||||
connect(); //Attempt to reconnect
|
||||
if(isConnected = true)
|
||||
{
|
||||
Write(sql); //Try the same operation again now that we are connected
|
||||
} else {
|
||||
System.out.println("[mcMMO] Unable to connect to MySQL! Make sure the SQL server is online!");
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
catch (SQLException ex) {
|
||||
if (update.equals(DatabaseUpdate.BLAST_MINING)) {
|
||||
System.out.println("Updating mcMMO MySQL tables for Blast Mining...");
|
||||
write("ALTER TABLE `"+LoadProperties.MySQLtablePrefix + "cooldowns` ADD `blast_mining` int(32) NOT NULL DEFAULT '0' ;");
|
||||
}
|
||||
else if (update.equals(DatabaseUpdate.FISHING)) {
|
||||
System.out.println("Updating mcMMO MySQL tables for Fishing...");
|
||||
write("ALTER TABLE `"+LoadProperties.MySQLtablePrefix + "skills` ADD `fishing` int(10) NOT NULL DEFAULT '0' ;");
|
||||
write("ALTER TABLE `"+LoadProperties.MySQLtablePrefix + "experience` ADD `fishing` int(10) NOT NULL DEFAULT '0' ;");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Get Int
|
||||
// only return first row / first field
|
||||
public Integer GetInt(String sql) {
|
||||
ResultSet rs = null;
|
||||
Integer result = 0;
|
||||
if(conn != null)
|
||||
{
|
||||
try {
|
||||
PreparedStatement stmt = conn.prepareStatement(sql);
|
||||
stmt = conn.prepareStatement(sql);
|
||||
if (stmt.executeQuery() != null) {
|
||||
stmt.executeQuery();
|
||||
rs = stmt.getResultSet();
|
||||
if (rs.next()) {
|
||||
result = rs.getInt(1);
|
||||
} else {
|
||||
result = 0;
|
||||
}
|
||||
}
|
||||
} catch (SQLException ex) {
|
||||
System.out.println("SQLException: " + ex.getMessage());
|
||||
System.out.println("SQLState: " + ex.getSQLState());
|
||||
System.out.println("VendorError: " + ex.getErrorCode());
|
||||
}
|
||||
} else {
|
||||
isConnected = false;
|
||||
/**
|
||||
* Attempt to write the SQL query.
|
||||
*
|
||||
* @param sql Query to write.
|
||||
* @return true if the query was successfully written, false otherwise.
|
||||
*/
|
||||
public boolean write(String sql) {
|
||||
if (conn != null) {
|
||||
try {
|
||||
PreparedStatement stmt = conn.prepareStatement(sql);
|
||||
stmt.executeUpdate();
|
||||
return true;
|
||||
}
|
||||
catch (SQLException ex) {
|
||||
printErrors(ex);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
else {
|
||||
isConnected = false;
|
||||
connect(); //Attempt to reconnect
|
||||
if(isConnected = true)
|
||||
{
|
||||
GetInt(sql); //Try the same operation again now that we are connected
|
||||
} else {
|
||||
if (isConnected) {
|
||||
write(sql); //Try the same operation again now that we are connected
|
||||
}
|
||||
else {
|
||||
System.out.println("[mcMMO] Unable to connect to MySQL! Make sure the SQL server is online!");
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
// read query
|
||||
public HashMap<Integer, ArrayList<String>> Read(String sql) {
|
||||
ResultSet rs = null;
|
||||
HashMap<Integer, ArrayList<String>> Rows = new HashMap<Integer, ArrayList<String>>();
|
||||
if(conn != null)
|
||||
{
|
||||
try {
|
||||
PreparedStatement stmt = conn.prepareStatement(sql);
|
||||
if (stmt.executeQuery() != null) {
|
||||
stmt.executeQuery();
|
||||
rs = stmt.getResultSet();
|
||||
while (rs.next()) {
|
||||
ArrayList<String> Col = new ArrayList<String>();
|
||||
for (int i = 1; i <= rs.getMetaData().getColumnCount(); i++) {
|
||||
Col.add(rs.getString(i));
|
||||
}
|
||||
Rows.put(rs.getRow(), Col);
|
||||
}
|
||||
}
|
||||
} catch (SQLException ex) {
|
||||
System.out.println("SQLException: " + ex.getMessage());
|
||||
System.out.println("SQLState: " + ex.getSQLState());
|
||||
System.out.println("VendorError: " + ex.getErrorCode());
|
||||
}
|
||||
} else {
|
||||
isConnected = false;
|
||||
/**
|
||||
* Get the Integer. Only return first row / first field.
|
||||
*
|
||||
* @param sql SQL query to execute
|
||||
* @return the value in the first row / first field
|
||||
*/
|
||||
public Integer getInt(String sql) {
|
||||
ResultSet rs = null;
|
||||
Integer result = 0;
|
||||
|
||||
if (conn != null) {
|
||||
try {
|
||||
PreparedStatement stmt = conn.prepareStatement(sql);
|
||||
stmt = conn.prepareStatement(sql);
|
||||
if (stmt.executeQuery() != null) {
|
||||
stmt.executeQuery();
|
||||
rs = stmt.getResultSet();
|
||||
if (rs.next()) {
|
||||
result = rs.getInt(1);
|
||||
}
|
||||
else {
|
||||
result = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
catch (SQLException ex) {
|
||||
printErrors(ex);
|
||||
}
|
||||
}
|
||||
else {
|
||||
isConnected = false;
|
||||
connect(); //Attempt to reconnect
|
||||
if(isConnected = true)
|
||||
{
|
||||
Read(sql); //Attempt the same operation again now that we are connected
|
||||
} else {
|
||||
if (isConnected) {
|
||||
getInt(sql); //Try the same operation again now that we are connected
|
||||
}
|
||||
else {
|
||||
System.out.println("[mcMMO] Unable to connect to MySQL! Make sure the SQL server is online!");
|
||||
}
|
||||
}
|
||||
return Rows;
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Read SQL query.
|
||||
*
|
||||
* @param sql SQL query to read
|
||||
* @return the rows in this SQL query
|
||||
*/
|
||||
public HashMap<Integer, ArrayList<String>> read(String sql) {
|
||||
ResultSet rs = null;
|
||||
HashMap<Integer, ArrayList<String>> Rows = new HashMap<Integer, ArrayList<String>>();
|
||||
|
||||
if (conn != null) {
|
||||
try {
|
||||
PreparedStatement stmt = conn.prepareStatement(sql);
|
||||
if (stmt.executeQuery() != null) {
|
||||
stmt.executeQuery();
|
||||
rs = stmt.getResultSet();
|
||||
while (rs.next()) {
|
||||
ArrayList<String> Col = new ArrayList<String>();
|
||||
for (int i = 1; i <= rs.getMetaData().getColumnCount(); i++) {
|
||||
Col.add(rs.getString(i));
|
||||
}
|
||||
Rows.put(rs.getRow(), Col);
|
||||
}
|
||||
}
|
||||
}
|
||||
catch (SQLException ex) {
|
||||
printErrors(ex);
|
||||
}
|
||||
}
|
||||
else {
|
||||
isConnected = false;
|
||||
connect(); //Attempt to reconnect
|
||||
if (isConnected) {
|
||||
read(sql); //Attempt the same operation again now that we are connected
|
||||
}
|
||||
else {
|
||||
System.out.println("[mcMMO] Unable to connect to MySQL! Make sure the SQL server is online!");
|
||||
}
|
||||
}
|
||||
return Rows;
|
||||
}
|
||||
|
||||
private static void printErrors(SQLException ex) {
|
||||
System.out.println("SQLException: " + ex.getMessage());
|
||||
System.out.println("SQLState: " + ex.getSQLState());
|
||||
System.out.println("VendorError: " + ex.getErrorCode());
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user