Commit 01b7c0b

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Using Hibernate to consult the DB and validate the username and password.

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src
- Login.java

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+19

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`‎src/Login.java`

Lines changed: 19 additions & 46 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,22 +1,17 @@`
`1`	`1`
`2`	`2`	`import java.awt.Image;`
`3`	`3`	`import java.awt.Toolkit;`
`4`		`-import java.sql.Connection;`
`5`		`-import java.sql.DriverManager;`
`6`		`-import java.sql.ResultSet;`
`7`		`-import java.sql.SQLException;`
`8`		`-import java.sql.Statement;`
`9`	`4`	`import java.util.logging.Level;`
`10`	`5`	`import java.util.logging.Logger;`
`11`	`6`	`import javax.swing.ImageIcon;`
`12`	`7`	`import javax.swing.JOptionPane;`
	`8`	`+import org.hibernate.Session;`
	`9`	`+import org.hibernate.SessionFactory;`
	`10`	`+import org.hibernate.cfg.Configuration;`
`13`	`11`
`14`	`12`
`15`	`13`	`public class Login extends javax.swing.JFrame {`
`16`		`-`
`17`		`- /**`
`18`		`- * Creates new form Login`
`19`		`- */`
	`14`	`+`
`20`	`15`	`public Login() {`
`21`	`16`	`initComponents();`
`22`	`17`
`@@ -28,18 +23,8 @@ public Login() {`
`28`	`23`	`this.Logo.setIcon(i);`
`29`	`24`
`30`	`25`	`// Establishing connection`
`31`		`- try{`
`32`		`- System.out.println("Connecting to database...");`
`33`		`- Class.forName("com.mysql.jdbc.Driver");`
`34`		`- this.connect = DriverManager.getConnection("jdbc:mysql://localhost/login", "root", "");`
`35`		`- this.statement = connect.createStatement();`
`36`		`- System.out.println("Connection established!");`
`37`		`-`
`38`		`- } catch (SQLException e) {`
`39`		`- e.printStackTrace();`
`40`		`- } catch (ClassNotFoundException e) {`
`41`		`- e.printStackTrace();`
`42`		`- }`
	`26`	`+ this.factory = new Configuration().configure("hibernate.cfg.xml").addAnnotatedClass(User.class).buildSessionFactory();`
	`27`	`+`
`43`	`28`	`}`
`44`	`29`
`45`	`30`	`/**`
`@@ -140,39 +125,27 @@ public void actionPerformed(java.awt.event.ActionEvent evt) {`
`140`	`125`	`}// </editor-fold>//GEN-END:initComponents`
`141`	`126`
`142`	`127`	`private void bt_loginActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_bt_loginActionPerformed`
`143`		`- String user = this.tf_user.getText();`
	`128`	`+ String username = this.tf_user.getText();`
`144`	`129`	`String password = this.pf_password.getText();`
`145`		`- String userDB = null;`
`146`		`- String passwordDB = null;`
`147`		`- String query = "Select username, password from login";`
`148`		`- try{`
`149`		`- ResultSet resultSet = this.statement.executeQuery(query);`
`150`		`-`
`151`		`- while (resultSet.next()) {`
`152`		`- // Now we can fetch the data by column name, save and use them!`
`153`		`- userDB = resultSet.getString("username");`
`154`		`- passwordDB = resultSet.getString("password");`
`155`		`- }`
`156`		`- } catch (SQLException e) {`
`157`		`- e.printStackTrace();`
`158`		`- }`
`159`		`- if(user.equals(userDB) && password.equals(passwordDB)){`
	`130`	`+`
	`131`	`+ Session session = this.factory.getCurrentSession();`
	`132`	`+ session.beginTransaction();`
	`133`	`+`
	`134`	`+ User user = session.get(User.class, username);`
	`135`	`+`
	`136`	`+ if(username.equals(user.getUsername()) && password.equals(user.getPassword())){`
`160`	`137`	`JOptionPane.showMessageDialog(null, "Connected", "Status", JOptionPane.INFORMATION_MESSAGE);`
`161`	`138`	`//System.out.println("Connected");`
`162`		`- }else{`
	`139`	`+ }else{`
`163`	`140`	`JOptionPane.showMessageDialog(null, "Not connected", "Status", JOptionPane.WARNING_MESSAGE);`
`164`	`141`	`//System.out.println("Not connected!");`
`165`	`142`	`}`
	`143`	`+ session.getTransaction().commit();`
`166`	`144`	`}//GEN-LAST:event_bt_loginActionPerformed`
`167`	`145`
`168`	`146`	`private void formWindowClosing(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_formWindowClosing`
`169`	`147`	`System.out.println("Connection will be ended!");`
`170`		`- try {`
`171`		`- this.connect.close();`
`172`		`- this.statement.close();`
`173`		`- } catch (SQLException ex) {`
`174`		`- Logger.getLogger(Login.class.getName()).log(Level.SEVERE, null, ex);`
`175`		`- }`
	`148`	`+ this.factory.close();`
`176`	`149`	`System.out.println("Connection ended!");`
`177`	`150`	`}//GEN-LAST:event_formWindowClosing`
`178`	`151`
`@@ -192,6 +165,6 @@ private void bt_addActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:`
`192`	`165`	`private javax.swing.JPasswordField pf_password;`
`193`	`166`	`private javax.swing.JTextField tf_user;`
`194`	`167`	`// End of variables declaration//GEN-END:variables`
`195`		`-Connectionconnect;`
`196`		`- Statementstatement = null;`
	`168`	`+`
	`169`	`+ SessionFactoryfactory;`
`197`	`170`	`}`

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`‎src/Login.java`

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