taxeditor-store/src/main/java/eu/etaxonomy/taxeditor/dialogs/LoginDialog.java

   1 // $Id$
   2 /**
   3  * Copyright (C) 2007 EDIT
   4  * European Distributed Institute of Taxonomy
   5  * http://www.e-taxonomy.eu
   6  *
   7  * The contents of this file are subject to the Mozilla Public License Version 1.1
   8  * See LICENSE.TXT at the top of this package for the full license terms.
   9  */
  10
  11 package eu.etaxonomy.taxeditor.dialogs;
  12
  13 import org.apache.log4j.Logger;
  14 import org.eclipse.jface.dialogs.Dialog;
  15 import org.eclipse.swt.SWT;
  16 import org.eclipse.swt.custom.CLabel;
  17 import org.eclipse.swt.layout.GridData;
  18 import org.eclipse.swt.widgets.Composite;
  19 import org.eclipse.swt.widgets.Control;
  20 import org.eclipse.swt.widgets.Shell;
  21 import org.eclipse.swt.widgets.Text;
  22 import org.springframework.security.authentication.BadCredentialsException;
  23 import org.springframework.security.authentication.LockedException;
  24 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
  25
  26 import eu.etaxonomy.taxeditor.store.CdmStore;
  27 import eu.etaxonomy.taxeditor.store.StoreUtil;
  28
  29 /**
  30  * TODO wrap in a LoginModule
  31  * see: http://java.sun.com/j2se/1.5.0/docs/api/javax/security/auth/spi/LoginModule.html
  32  *
  33  * @author n.hoffmann
  34  * @created 16.06.2009
  35  * @version 1.0
  36  */
  37 public class LoginDialog extends Dialog {
  38
  39
  40         private static final Logger logger = Logger.getLogger(LoginDialog.class);
  41
  42         private static Text text_password;
  43         private static Text text_username;
  44
  45         private String title;
  46
  47         /**
  48          * <p>Constructor for LoginDialog.</p>
  49          *
  50          * @param parentShell a {@link org.eclipse.swt.widgets.Shell} object.
  51          */
  52         public LoginDialog(Shell parentShell) {
  53                 super(parentShell);
  54                 title = "Login";
  55         }
  56
  57
  58         /* (non-Javadoc)
  59          * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
  60          */
  61         /** {@inheritDoc} */
  62         @Override
  63         protected Control createDialogArea(Composite parent) {
  64                 Composite composite = (Composite) super.createDialogArea(parent);
  65                 //add controls to composite as necessary
  66
  67
  68                 // Label for the heading
  69                 final CLabel titleLabel = new CLabel(composite, SWT.NONE);
  70                 titleLabel.setText("User Login");
  71
  72                 // Label for the username
  73                 final CLabel userNameLabel = new CLabel(composite, SWT.NONE);
  74                 userNameLabel.setText("Username");
  75
  76                 // Textfield for the username
  77                 text_username = new Text(composite, SWT.BORDER);
  78                 text_username.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  79
  80                 // Label for the password
  81                 final CLabel passwordLabel = new CLabel(composite, SWT.NONE);
  82                 passwordLabel.setText("Password");
  83
  84                 // Textfield for the password
  85                 text_password = new Text(composite, SWT.PASSWORD | SWT.BORDER);
  86                 text_password.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  87
  88
  89                 return composite;
  90         }
  91
  92     /*
  93      * (non-Javadoc)
  94      *
  95      * @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell)
  96      */
  97     /** {@inheritDoc} */
  98     protected void configureShell(Shell shell) {
  99         super.configureShell(shell);
 100         if (title != null) {
 101                         shell.setText(title);
 102                 }
 103     }
 104
 105         /* (non-Javadoc)
 106          * @see org.eclipse.jface.dialogs.Dialog#okPressed()
 107          */
 108         /** {@inheritDoc} */
 109         @Override
 110         protected void okPressed() {
 111                 String username = text_username.getText().trim();
 112                 String password = text_password.getText().trim();
 113
 114                 UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(username, password);
 115
 116                 try{
 117                         CdmStore.getLoginManager().authenticate(token);
 118                 }catch(BadCredentialsException e){
 119                         logger.error("Bad credentials", e);
 120                         StoreUtil.warningDialog("Could not authenticate", this, "Could not authenticate. Reason: Bad Credentials.");
 121                 }catch(LockedException e){
 122                         logger.error("Account is locked", e);
 123                         StoreUtil.warningDialog("Could not authenticate", this, "Could not authenticate. Reason: Account is locked.");
 124                 }catch(IllegalArgumentException e){
 125                         logger.error("Null argument for either user or password", e);
 126                         StoreUtil.warningDialog("Could not authenticate", this, "Could not authenticate. Reason: Username and/or Password empty.");
 127                 }
 128
 129                 super.okPressed();
 130         }
 131
 132
 133 }