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-rw-r--r--src/dao/JDBC.java90
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1package dao;
2
3import java.sql.Connection;
4import java.sql.DriverManager;
5import java.sql.SQLException;
6
7/**
8 * connexion à la BDD avec JDBC
9 * tous les paramètres de connexion et les setters sont statiques
10 * le nom de la table sélectionnée est dans ModelCRUD
11 */
12abstract public class JDBC
13{
14 private static String dbms="mysql";
15 private static String strClassName = "com.mysql.cj.jdbc.Driver";
16 private static String port = "3306";
17 private static String dbname;
18 private static String login;
19 private static String password;
20 private static String host= "localhost";
21 private static String strUrl;
22
23 protected Connection getConnection() throws SQLException, ClassNotFoundException
24 {
25 Class.forName(strClassName);
26 return DriverManager.getConnection(strUrl, login, password);
27// try {
28// Class.forName(strClassName); // chargement du driver
29// return DriverManager.getConnection(strUrl, login, password);
30// }
31// catch(ClassNotFoundException e) {
32// System.err.println("Driver non chargé !");
33// e.printStackTrace();
34// }
35// catch(SQLException e) {
36// e.printStackTrace();
37// }
38// return null;
39 }
40
41 // setters
42 public static void setHost(String host) {
43 JDBC.host = host;
44 }
45 public static void setDBMS(String dbms) {
46 JDBC.dbms = dbms;
47 if(dbms == "mysql")
48 {
49 JDBC.strClassName = "com.mysql.cj.jdbc.Driver";
50 JDBC.port = "3306";
51 }
52 else if(dbms == "mariadb")
53 {
54 JDBC.strClassName = "org.mariadb.jdbc.Driver";
55 JDBC.port = "3306";
56 }
57 }
58 private static void setStrUrl() {
59 JDBC.strUrl = "jdbc:" + dbms + "://" + host + ":" + port + "/" + dbname;
60 }
61 public static void setDbName(String dbName) {
62 JDBC.dbname = dbName;
63 }
64 public static void setLogin(String login) {
65 JDBC.login = login;
66 }
67 public static void setMotdepasse(String motdepasse) {
68 JDBC.password = motdepasse;
69 }
70 public static void setInfos(String host, String dbms, String dbname, String login, String password)
71 {
72 JDBC.dbname = dbname;
73 JDBC.login = login;
74 JDBC.password = password;
75 JDBC.host = host;
76 setDBMS(dbms);
77 JDBC.setStrUrl();
78 }
79
80// public void close()
81// {
82// try {
83// this.conn.close(); // libérer le slot (même principe que l'attaque DDOS)
84// this.conn = null; // pour pouvoir réinstancier avec d'autres paramètres
85// }
86// catch (SQLException e) {
87// e.printStackTrace();
88// }
89// }
90}