From e539c4aa65683b506c020c264ec6378e5a7dbe26 Mon Sep 17 00:00:00 2001
From: Robin Sevillano <robin.sevillano7@etu.univ-lorraine.fr>
Date: Wed, 4 Dec 2019 22:30:45 +0100
Subject: [PATCH] Achievement 5: Database.

---
 src/model/Bdd/ConnectionDatabase.java  | 128 +++++++++++++++++++++++++
 src/model/Bdd/InformationDatabase.java |  65 +++++++++++++
 2 files changed, 193 insertions(+)
 create mode 100644 src/model/Bdd/ConnectionDatabase.java
 create mode 100644 src/model/Bdd/InformationDatabase.java

diff --git a/src/model/Bdd/ConnectionDatabase.java b/src/model/Bdd/ConnectionDatabase.java
new file mode 100644
index 0000000..c574543
--- /dev/null
+++ b/src/model/Bdd/ConnectionDatabase.java
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 04/12/2019
+ *
+ * Auteurs :
+ *      - Behm Guillaume
+ *      - Claudel Adrien
+ *      - Richez Guillaume
+ *      - Sevillano Robin
+ */
+
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package model.Bdd;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+
+/**
+ *
+ * @author castagno Classe utilisée pour établir une connexion avec la base de
+ * données, interroger la base et insérer de nouveaux tuples dans la base
+ */
+public class ConnectionDatabase {
+
+    private String host, port, dbname, username, password;
+    private Connection con = null;
+
+    public ConnectionDatabase(String h, String po, String dbn, String u, String p) {
+        this.host = h;
+        this.port = po;
+        this.dbname = dbn;
+        this.username = u;
+        this.password = p;
+    }
+    
+    
+    public InformationDatabase connexionBDD() {
+        this.openConnexion();
+        return new InformationDatabase(this);
+    }
+
+    /*
+     * Ouvre la connexion avec la base de données
+     */
+    public void openConnexion() {
+        String connectUrl = "jdbc:mysql://" + this.host + ":" + this.port + "/" + this.dbname;
+        if (con != null) {
+            this.closeConnexion();
+        }
+        try {
+            Class.forName("com.mysql.jdbc.Driver");
+            con = DriverManager.getConnection(connectUrl, username, password);
+            System.out.println("Database connection established.");
+        } catch (ClassNotFoundException cnfe) {
+            System.out.println("Cannot load db driver: com.mysql.jdbc.Driver");
+            cnfe.printStackTrace();
+        } catch (Exception e) {
+            System.out.println("Erreur inattendue");
+            e.printStackTrace();
+        }
+    }
+
+    /*
+     * Ferme la connexion avec la base de données
+     */
+    public void closeConnexion() {
+        if (con != null) {
+            try {
+                con.close();
+                System.out.println("Database connection terminated.");
+            } catch (Exception e) {
+                /* ignore close errors */ }
+        }
+    }
+
+    public String getHost() {
+        return host;
+    }
+
+    public void setHost(String host) {
+        this.host = host;
+    }
+
+    public String getPort() {
+        return port;
+    }
+
+    public void setPort(String port) {
+        this.port = port;
+    }
+
+    public String getDbname() {
+        return dbname;
+    }
+
+    public void setDbname(String dbname) {
+        this.dbname = dbname;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    public Connection getCon() {
+        return con;
+    }
+
+    public void setCon(Connection con) {
+        this.con = con;
+    }
+    
+}
+
diff --git a/src/model/Bdd/InformationDatabase.java b/src/model/Bdd/InformationDatabase.java
new file mode 100644
index 0000000..7916d05
--- /dev/null
+++ b/src/model/Bdd/InformationDatabase.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 04/12/2019
+ *
+ * Auteurs :
+ *      - Behm Guillaume
+ *      - Claudel Adrien
+ *      - Richez Guillaume
+ *      - Sevillano Robin
+ */
+
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package model.Bdd;
+
+import java.sql.ResultSet;
+import java.sql.Statement;
+
+/**
+ *
+ * @author utilisateur
+ */
+public class InformationDatabase {
+
+    private final ConnectionDatabase connexion;
+
+    public InformationDatabase(ConnectionDatabase connexion) {
+        this.connexion = connexion;
+    }
+
+    public ResultSet requestSQLSelect(String query) {
+        ResultSet rst = null;
+        try {
+            Statement st = this.connexion.getCon().createStatement();
+            rst = st.executeQuery(query);            
+        } catch (Exception ex) {
+            ex.printStackTrace();
+        }
+
+        return rst;
+    }
+    
+    public boolean requestSQLUpdate(String query) {
+        boolean b;
+        try {
+            Statement st = this.connexion.getCon().createStatement();
+            st.executeUpdate(query); 
+            b=true;
+        } catch (Exception ex) {
+            ex.printStackTrace();
+            b=false;
+        }
+
+        return b;
+    }
+
+
+    public ConnectionDatabase getConnexion() {
+        return connexion;
+    }
+
+}
+