public void connect() {
try {
// This will load the MySQL driver
Class.forName("com.mysql.jdbc.Driver").newInstance();
;
// Setup the connection with the DB
connection =
DriverManager.getConnection(
"jdbc:mysql://"
+ host
+ ":"
+ port
+ "/"
+ database
+ "?"
+ "user="******"&password="******"[MySQL] Unable to establish a connection to your MySQL database!");
System.out.println(e);
}
}
@Override
public boolean saveAuth(String playername, String hash, Map<String, String> customInformation) {
try {
if (connection.isClosed()) connect();
String addCustomInfo = "";
if (!customInformation.isEmpty()) {
for (String key : customInformation.keySet()) {
addCustomInfo = ", " + key + "='" + customInformation.get(key) + "'";
}
}
preparedStatement =
connection.prepareStatement(
"INSERT INTO "
+ tableName
+ " SET "
+ columnName
+ "=?, "
+ columnPassword
+ "=?"
+ addCustomInfo);
// VALUES (null, ?, ?)
preparedStatement.setString(1, playername);
preparedStatement.setString(2, hash);
preparedStatement.executeUpdate();
} catch (Exception e) {
MessageHandler.showError("[MySQL] Unable to save an authentication!");
return false;
}
return true;
}
@Override
public RegistrationCache loadAllAuths() {
RegistrationCache regcache = new RegistrationCache();
try {
if (connection.isClosed()) connect();
preparedStatement = connection.prepareStatement("SELECT * FROM " + tableName);
resultSet = preparedStatement.executeQuery();
String user = "";
String password = "";
while (resultSet.next()) {
user = resultSet.getString(columnName);
password = resultSet.getString(columnPassword);
if (user != "" && password != "") {
regcache.insert(new RegistrationData(user, password));
user = "";
password = "";
}
}
} catch (Exception e) {
MessageHandler.showError("[MySQL] Unable to load authentications!");
}
return regcache;
}
@Override
public int getRegisteredPlayerAmount() {
try {
if (connection.isClosed()) connect();
preparedStatement = connection.prepareStatement("SELECT COUNT(*) FROM " + tableName);
resultSet = preparedStatement.executeQuery();
while (resultSet.next()) {
return resultSet.getInt(1);
}
} catch (Exception e) {
MessageHandler.showError("[MySQL] Unable to count authentications!");
}
return 0;
}
@Override
public boolean removeAuth(String playername) {
try {
if (connection.isClosed()) connect();
preparedStatement =
connection.prepareStatement("DELETE FROM " + tableName + " WHERE " + columnName + " = ?");
preparedStatement.setString(1, playername);
preparedStatement.executeUpdate();
} catch (Exception e) {
MessageHandler.showError("[MySQL] Unable to remove an authentication!");
return false;
}
return true;
}
@Override
public boolean isPlayerRegistered(String playername) {
try {
if (connection.isClosed()) connect();
preparedStatement =
connection.prepareStatement(
"SELECT COUNT(*) FROM " + tableName + " WHERE " + columnName + " = ?");
preparedStatement.setString(1, playername);
resultSet = preparedStatement.executeQuery();
while (resultSet.next()) {
return (resultSet.getInt(1) <= 0 ? false : true);
}
} catch (Exception e) {
MessageHandler.showError("[MySQL] Unable to check an authentication!");
}
return false;
}
@Override
public String loadHash(String playername) {
try {
if (connection.isClosed()) connect();
preparedStatement =
connection.prepareStatement(
"SELECT " + columnPassword + " FROM " + tableName + " WHERE " + columnName + " = ?");
preparedStatement.setString(1, playername);
resultSet = preparedStatement.executeQuery();
while (resultSet.next()) {
return resultSet.getString(1);
}
} catch (Exception e) {
MessageHandler.showError("[MySQL] Unable to load an authentication!");
}
return null;
}
// Setup up the tables, if they don't exist already
public void setup() {
try {
if (connection.isClosed()) connect();
preparedStatement =
connection.prepareStatement(
"CREATE TABLE IF NOT EXISTS "
+ tableName
+ " (id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, "
+ columnName
+ " VARCHAR(20) NOT NULL, "
+ columnPassword
+ " VARCHAR(36) NOT NULL);");
preparedStatement.executeUpdate();
} catch (Exception e) {
MessageHandler.showError(
"[MySQL] Couldn't create a '" + tableName + "' table in your MySQL database!");
}
}
@Override
public boolean updateAuth(String playername, String hash) {
try {
if (connection.isClosed()) connect();
preparedStatement =
connection.prepareStatement(
"UPDATE "
+ tableName
+ " SET "
+ columnPassword
+ " = ? WHERE "
+ columnName
+ " = ?");
preparedStatement.setString(1, hash);
preparedStatement.setString(2, playername);
preparedStatement.executeUpdate();
} catch (Exception e) {
MessageHandler.showError("[MySQL] Unable to update an authentication!");
return false;
}
return true;
}