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Java > Open Source Codes > com > calipso > reportgenerator > usermanager > UserManagerLoginFrame


1 package com.calipso.reportgenerator.usermanager;
2
3 import com.calipso.reportgenerator.common.LanguageTraslator;
4 import com.calipso.reportgenerator.common.ReportGeneratorConfiguration;
5 import com.calipso.reportgenerator.common.InfoException;
6
7
8 import javax.swing.*;
9 import java.awt.event.ActionListener JavaDoc;
10 import java.awt.event.ActionEvent JavaDoc;
11 import java.awt.*;
12 import java.io.File JavaDoc;
13
14 /**
15  *
16  * User: eslosse
17  * Date: 22-sep-2005
18  * Time: 11:57:38
19  *
20  */
21
22 /**
23  * Representa el Frame para validacion de usuarios
24  */
25
26 public class UserManagerLoginFrame extends JDialog implements ActionListener JavaDoc {
27
28   protected JPasswordField pfUser;
29   private static JTextField tfName;
30   private JButton btAccept;
31   private JButton btCancel;
32   private String JavaDoc defaultUserName;
33   private boolean hasCanceled;
34   private File JavaDoc file;
35   private ReportGeneratorConfiguration reportGeneratorConfiguration;
36   private UserManager userManager;
37
38   /**
39    * Crea una instancia de <code>UserLoginFrame</code>
40    * @param owner
41    * @param title
42    * @param modal
43    * @param defaultUserName
44    * @throws java.awt.HeadlessException
45    */
46   public UserManagerLoginFrame(Frame owner, String JavaDoc title, boolean modal, String JavaDoc defaultUserName,ReportGeneratorConfiguration reportGeneratorConfiguration,UserManager userManager) throws HeadlessException, InfoException {
47
48     super(owner, title, modal);
49     this.reportGeneratorConfiguration=reportGeneratorConfiguration;
50     this.userManager = userManager;
51     file = new File JavaDoc(reportGeneratorConfiguration.getUsersRepositoryPath());
52
53     Image icon = reportGeneratorConfiguration.getImage("ICON");
54     if(icon != null && owner!=null) {
55       owner.setIconImage(icon);
56     }
57     this.defaultUserName = defaultUserName;
58     hasCanceled = false;
59     createComponents();
60   }
61
62   /**
63    * Crea los componentes graficos
64    */
65   protected void createComponents() {
66     getContentPane().setLayout(new BorderLayout());
67     getContentPane().add(createNorthPanel(), BorderLayout.CENTER);
68     getContentPane().add(createSouthPanel(), BorderLayout.SOUTH);
69     java.awt.Dimension JavaDoc screenSize = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
70     setLocation((screenSize.width - 250) / 2, (screenSize.height - 200) / 2);
71     setSize(new Dimension(250, 110));
72     //show();
73 }
74
75   /**
76    * Crea el panel del sur
77    * @return
78    */
79   protected JComponent createSouthPanel() {
80     FlowLayout layout = new FlowLayout(FlowLayout.RIGHT);
81     JPanel pnlSouth = new JPanel(layout);
82     btAccept = new JButton(LanguageTraslator.traslate("112"));
83     btAccept.addActionListener(this);
84     btCancel = new JButton(LanguageTraslator.traslate("113"));
85     btCancel.addActionListener(this);
86     pnlSouth.add(btAccept);
87     pnlSouth.add(btCancel);
88     return pnlSouth;
89   }
90
91   /**
92    * Crea el panel del norte
93    * @return
94    */
95   protected JComponent createNorthPanel() {
96     JPanel pnlNorth = new JPanel(new GridLayout(2, 2));
97     JLabel label = new JLabel(LanguageTraslator.traslate("232"));
98     tfName = new JTextField(defaultUserName);
99     tfName.setEditable(false);
100     pnlNorth.add(label);
101     pnlNorth.add(tfName);
102     label = new JLabel("Password");
103     pfUser = new JPasswordField();
104     pnlNorth.add(label);
105     pnlNorth.add(pfUser);
106     return pnlNorth;
107   }
108
109   /**
110    * Retorna valor que representa si el usuario
111    * ha cancelado la validacion
112    * @return
113    */
114   public boolean getHasCanceled() {
115     return hasCanceled;
116   }
117
118   /**
119    * Devuelve el nombre de usuario
120    * @return
121    */
122   public static String JavaDoc getUserName() {
123     return tfName.getText().trim();
124   }
125
126   /**
127    * Retorna el campo para ingresar el password
128    * @return
129    */
130   public JPasswordField getPfUser() {
131     return pfUser;
132   }
133
134   /**
135    * Devuelve el boton accept del panel
136    * @return
137    */
138   protected JButton getBtAccept() {
139     return btAccept;
140   }
141
142   /**
143    * Devuelve la contrasena de usuario.
144    * @return
145    */
146   public String JavaDoc getUserPasswd() {
147     return new String JavaDoc(pfUser.getPassword());
148   }
149
150   /**
151    * Metodo que devuelve si la validacion ha sido o no
152    * satisfactoria en caso de que el usuario no
153    * haya cancelado la validacion.
154    * @return
155    */
156   public boolean login() throws InfoException {
157     boolean result = false;
158     int intentos=0;
159     if(!file.exists()) {
160       throw new InfoException(LanguageTraslator.traslate("19"));
161     }
162     for (int i = 0; i < 3; i++) {
163       setVisible(true);
164       if(this.getHasCanceled()) {
165         return false;
166       }
167       String JavaDoc userName = this.getUserName();
168       String JavaDoc userPassword = this.getUserPasswd();
169       result = userManager.validate(this.getUserName(), this.getUserPasswd());
170       if(result==false){
171         intentos++;
172         JOptionPane.showMessageDialog(this,LanguageTraslator.traslate("451"));
173       } else {
174         return true;
175       }
176     }
177     if(intentos==3) {
178       JOptionPane.showMessageDialog(this,LanguageTraslator.traslate("300"));
179     }
180     return result;
181   }
182
183   public void actionPerformed(ActionEvent JavaDoc e) {
184     if(e.getSource() == btAccept) {
185       dispose();
186     } else {
187       hasCanceled = true;
188       dispose();
189     }
190   }
191 }
192
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