Discussion :

[DarkTwister]

Bonjour, je suis entrain de développement un système d'authentification par MySQL avec un Server Socket et j'ai un petit problème avec mon code j'ai

une erreur comme cela

Code :

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java.sql.SQLException: No suitable driver found for jdbc:mysql//localhost/ma_database
        at java.sql.DriverManager.getConnection(DriverManager.java:689)
        at java.sql.DriverManager.getConnection(DriverManager.java:247)
        at server.nitexstudio.fr.oauth.sql.SQLManager.connection(SQLManager.java:31)
        at server.nitexstudio.fr.oauth.Server.main(Server.java:62)

et j'utilise ma petit class pour me facilité les requettes MySQL

Code :

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package server.nitexstudio.fr.oauth.sql;
 
import com.mysql.jdbc.Driver;
 
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
 
public class SQLManager {
 
	private Connection connection;
	private String urlbase, host, database, user, pass;
 
	public SQLManager(String urlbase, String host, String database, String user, String pass) {
		this.urlbase = urlbase;
		this.host = host;
		this.database = database;
		this.user = user;
		this.pass = pass;
		try {
			DriverManager.registerDriver(new Driver());
			System.out.println("[SQLManager] Définition de la classe Driver de l'api de mysql-connector");
		} catch (SQLException e) {
			e.printStackTrace();
		}
	}
 
	public void connection() {
		if (!isConnected()) {
			try {
				connection = DriverManager.getConnection(urlbase + host + "/" + database, user, pass);
				System.out.println("[MySQL] Connexion réussite !");
			} catch (SQLException e) {
				System.out.println("[MySQL] Connexion échoué !");
				e.printStackTrace();
			}
		}
	}
 
	public void disconnect() {
		if (isConnected()) {
			try {
				connection.close();
				System.out.println("[MySQL] Déconnexion réussite !");
			} catch (SQLException e) {
				System.out.println("[MySQL] Déconnexion échoué !");
				e.printStackTrace();
			}
		}
	}
 
	public boolean isConnected() {
		try {
			return connection != null && (!(connection.isClosed())) && connection.isValid(10);
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return false;
	}
 
	// getString("account", "password", "exemple@hotmail.com","email");
	public String getString(String table, String sectionRecover, String stringRecorver, String recoverSection) {
		if (!isConnected())
			connection();
		;
		String returnString = null;
		try {
			PreparedStatement q = connection.prepareStatement(
					"SELECT " + sectionRecover + " FROM " + table + " WHERE " + recoverSection + " = ?");
			q.setString(1, stringRecorver);
			ResultSet rs = q.executeQuery();
 
			while (rs.next()) {
 
				returnString = rs.getString(recoverSection);
			}
 
			q.close();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return returnString;
	}
 
	// getInteger("account", "id", "exemple@hotmail.com","email");
	public Integer getInteger(String table, String sectionRecover, String stringRecorver, String recoverSection) {
		if (!isConnected())
			connection();
		Integer returnInteger = null;
		try {
			PreparedStatement q = connection.prepareStatement(
					"SELECT " + sectionRecover + " FROM " + table + " WHERE " + recoverSection + " = ?");
			q.setString(1, stringRecorver);
 
			ResultSet rs = q.executeQuery();
 
			while (rs.next()) {
				returnInteger = rs.getInt(recoverSection);
			}
 
			q.close();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return returnInteger;
	}
 
	// getBoolean("account", "shutdown_premium", "exemple@gmail.com", "email");
	public Boolean getBoolean(String table, String sectionRecover, String stringRecorver, String recoverSection) {
		if (!isConnected())
			connection();
		;
		Boolean returnBoolean = null;
		try {
			PreparedStatement q = connection.prepareStatement(
					"SELECT " + sectionRecover + " FROM " + table + " WHERE " + stringRecorver + " = ?");
			q.setString(1, stringRecorver);
 
			ResultSet rs = q.executeQuery();
 
			while (rs.next()) {
				returnBoolean = rs.getBoolean(recoverSection);
			}
 
			q.close();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return returnBoolean;
	}
 
	// setString("account", "email", "exemple@gmail.com", "password", "text");
	public void setString(String table, String sectionRecover, String sectionArgsRecover, String sectionNewSetArgs,
			String newArgs) {
		if (!isConnected())
			connection();
		;
		try {
			PreparedStatement rs = connection.prepareStatement("UPDATE " + table + " SET " + sectionNewSetArgs
					+ " = ? WHERE " + sectionRecover + " = '" + sectionArgsRecover + "'");
			rs.setString(1, newArgs);
			rs.executeUpdate();
			rs.close();
		} catch (SQLException e) {
			e.printStackTrace();
		}
	}
 
	// setInteger("account", "email", "exemple@gmail.com", "id", 1);
	public void setInteger(String table, String sectionRecover, String sectionArgsRecover, String sectionNewSetArgs,
			Integer newArgs) {
		if (!isConnected())
			connection();
		;
		try {
			PreparedStatement rs = connection.prepareStatement("UPDATE " + table + " SET " + sectionNewSetArgs
					+ " = ? WHERE " + sectionRecover + " = '" + sectionArgsRecover + "'");
			rs.setInt(1, newArgs);
			rs.executeUpdate();
			rs.close();
		} catch (SQLException e) {
			e.printStackTrace();
		}
	}
 
	// setBoolean("account", "email", "exemple@gmail.com", "shutdown_premium",
	// false);
	public void setBoolean(String table, String sectionRecover, String sectionArgsRecover, String sectionNewSetArgs,
			boolean newArgs) {
		if (!isConnected())
			connection();
		;
		try {
			PreparedStatement rs = connection.prepareStatement("UPDATE " + table + " SET " + sectionNewSetArgs
					+ " = ? WHERE " + sectionRecover + " = '" + sectionArgsRecover + "'");
			rs.setBoolean(1, newArgs);
			rs.executeUpdate();
			rs.close();
		} catch (SQLException e) {
			e.printStackTrace();
		}
	}
 
	public boolean has(String table, String section, String search) {
		if (!isConnected())
			connection();
		;
		try {
			PreparedStatement q = connection
					.prepareStatement("SELECT " + section + " FROM " + table + " WHERE " + section + " = ?");
			q.setString(1, search);
			ResultSet resultat = q.executeQuery();
			boolean hasAccount = resultat.next();
			q.close();
			return hasAccount;
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return false;
	}
 
	public void create(String table, Section[] sections) {
		if (!isConnected())
			connection();
		;
		try {
			String section = "";
			String q = "";
			for (Section s : sections) {
				if (section == "") {
					section += s.getSection();
				} else {
					section += "," + s.getSection();
				}
				if (q == "") {
					q += "?";
				} else {
					q += ",?";
				}
			}
			PreparedStatement qs = connection
					.prepareStatement("INSERT INTO " + table + "(" + section + ") VALUES (" + q + ")");
			int position = 1;
			for (Section s : sections) {
				if (s.getValues() != null) {
					if (s.getSectionType().equals(Section.Type.STRING)) {
						qs.setString(position, s.getValues().toString());
					} else if (s.getSectionType().equals(Section.Type.INTEGER)) {
						qs.setInt(position, (Integer) s.getValues());
					} else if (s.getSectionType().equals(Section.Type.BOOLEAN)) {
						qs.setBoolean(position, (Boolean) s.getValues());
					}
				}
				position++;
			}
			qs.execute();
			qs.close();
		} catch (SQLException e) {
			e.printStackTrace();
		}
	}
 
	public void remove(String table, String string1, Object object) {
		if (!isConnected())
			connection();
		;
		try {
			PreparedStatement rs = connection
					.prepareStatement("DELETE FROM " + table + " WHERE " + string1 + " = '" + object + "'");
			rs.execute();
			rs.close();
		} catch (SQLException e) {
			e.printStackTrace();
		}
	}
}

Server.java (Main.java):

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SQLManager MySQL = new SQLManager("jdbc:mysql://", "localhost", "oauth_server", "rootNS", "nitex25565");
		MySQL.connection();
Class Server.java (Main.java)