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.BadCredentialsException;
  23 import org.springframework.security.LockedException;
  24 import org.springframework.security.providers.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         /**
  46          * @param parentShell
  47          */
  48         public LoginDialog(Shell parentShell) {
  49                 super(parentShell);
  50         }
  51
  52
  53         /* (non-Javadoc)
  54          * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
  55          */
  56         @Override
  57         protected Control createDialogArea(Composite parent) {
  58                 Composite composite = (Composite) super.createDialogArea(parent);
  59                 //add controls to composite as necessary
  60
  61
  62                 // Label for the heading
  63                 final CLabel titleLabel = new CLabel(composite, SWT.NONE);
  64                 titleLabel.setText("User Login");
  65
  66                 // Label for the username
  67                 final CLabel userNameLabel = new CLabel(composite, SWT.NONE);
  68                 userNameLabel.setText("Username");
  69
  70                 // Textfield for the username
  71                 text_username = new Text(composite, SWT.BORDER);
  72                 text_username.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  73
  74                 // Label for the password
  75                 final CLabel passwordLabel = new CLabel(composite, SWT.NONE);
  76                 passwordLabel.setText("Password");
  77
  78                 // Textfield for the password
  79                 text_password = new Text(composite, SWT.BORDER);
  80                 text_password.setEchoChar('*');
  81                 text_password.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  82
  83
  84                 return composite;
  85         }
  86
  87
  88         /* (non-Javadoc)
  89          * @see org.eclipse.jface.dialogs.Dialog#okPressed()
  90          */
  91         @Override
  92         protected void okPressed() {
  93                 String username = text_username.getText().trim();
  94                 String password = text_password.getText().trim();
  95
  96                 UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(username, password);
  97
  98                 try{
  99                         CdmStore.getLoginManager().authenticate(token);
 100                 }catch(BadCredentialsException e){
 101                         logger.error("Bad credentials", e);
 102                         StoreUtil.warningDialog("Could not authenticate. Reason: Bad Credentials");
 103                 }catch(LockedException e){
 104                         logger.error("Account is locked", e);
 105                         StoreUtil.warningDialog("Could not authenticate. Reason: Account is locked");
 106                 }catch(IllegalArgumentException e){
 107                         logger.error("Null argument for either user or password", e);
 108                 }
 109
 110                 super.okPressed();
 111         }
 112
 113
 114 }