org.bounce.net.DefaultAuthenticator Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of pentaho-package-manager Show documentation
Allows the management of packages in a central package repository, for installation in the user's home directory.
The newest version!
/*
 * $Id: DefaultAuthenticator.java,v 1.5 2008/01/28 21:28:37 edankert Exp $
 *
 * Copyright (c) 2002 - 2008, Edwin Dankert
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright notice, 
 *	 this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright 
 * 	 notice, this list of conditions and the following disclaimer in the 
 *	 documentation and/or other materials provided with the distribution. 
 * * Neither the name of 'Edwin Dankert' nor the names of its contributors 
 *	 may  be used to endorse or promote products derived from this software 
 *	 without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR 
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.bounce.net;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.net.Authenticator;
import java.net.PasswordAuthentication;

import javax.swing.Box;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import javax.swing.border.EmptyBorder;

import org.bounce.FormLayout;

/**
 * An authenticator which prompts for username and password.
 * 
 * @version $Revision: 52425 $, $Date: 2008/01/28 21:28:37 $
 * @author Edwin Dankert 
 */
public class DefaultAuthenticator extends Authenticator {
  // these values can be overriden with other values
  // protected static Dimension SIZE = new Dimension( 350, 210);

  protected String TITLE = "Enter Username and Password";
  protected String DESCRIPTION = "Please provide your username and password.";
  protected String USERNAME = "Username:";
  protected String PASSWORD = "Password:";
  protected String HOST = "Site:";
  protected String REALM = "Realm:";
  protected String OK_BUTTON = "OK";
  protected String CANCEL_BUTTON = "Cancel";

  private JDialog dialog = null;

  private boolean okPressed = false;

  private JFrame parent = null;

  private JPasswordField passwordField = null;
  private JTextField usernameField = null;
  private JLabel hostField = null;
  private JLabel realmField = null;

  /**
   * Constructor for the authenticator, setting the parent frame.
   * 
   * @param parent the parent frame.
   */
  public DefaultAuthenticator(JFrame parent) {
    this.parent = parent;
  }

  private JDialog getDialog() {
    if (dialog == null) {
      Dimension size = new Dimension(350, 210);
      // create the dialog
      dialog = new JDialog(parent);
      dialog.setTitle(TITLE);
      dialog.setModal(true);
      dialog.setResizable(false);

      JPanel panel = new JPanel(new FormLayout(5, 5));
      panel.setBorder(new EmptyBorder(10, 10, 10, 10));

      JLabel description = new JLabel(DESCRIPTION);
      description.setFont(description.getFont().deriveFont(Font.PLAIN));

      panel.add(description, FormLayout.FULL_FILL);

      panel.add(Box.createVerticalStrut(10), FormLayout.FULL_FILL);

      panel.add(new JLabel(HOST), FormLayout.LEFT);
      hostField = new JLabel();
      hostField.setFont(hostField.getFont().deriveFont(Font.PLAIN));
      panel.add(hostField, FormLayout.RIGHT_FILL);

      panel.add(new JLabel(REALM), FormLayout.LEFT);
      realmField = new JLabel();
      realmField.setFont(realmField.getFont().deriveFont(Font.PLAIN));
      panel.add(realmField, FormLayout.RIGHT_FILL);

      panel.add(new JLabel(USERNAME), FormLayout.LEFT);
      usernameField = new JTextField();
      panel.add(usernameField, FormLayout.RIGHT_FILL);

      panel.add(new JLabel(PASSWORD), FormLayout.LEFT);
      passwordField = new JPasswordField();
      panel.add(passwordField, FormLayout.RIGHT_FILL);

      JButton cancelButton = new JButton(CANCEL_BUTTON);
      cancelButton.setMnemonic('C');
      cancelButton.setFont(cancelButton.getFont().deriveFont(Font.PLAIN));
      cancelButton.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
          okPressed = false;
          dialog.setVisible(false);
        }
      });

      JButton okButton = new JButton(OK_BUTTON);
      okButton.setMnemonic('O');
      okButton.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
          okPressed = true;
          dialog.setVisible(false);
        }
      });

      dialog.getRootPane().setDefaultButton(okButton);

      JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.CENTER, 0, 0));
      buttonPanel.setBorder(new EmptyBorder(10, 0, 3, 0));
      buttonPanel.add(okButton);
      buttonPanel.add(cancelButton);

      JPanel main = new JPanel(new BorderLayout());

      main.add(panel, BorderLayout.CENTER);
      main.add(buttonPanel, BorderLayout.SOUTH);

      dialog.addWindowListener(new WindowAdapter() {
        @Override
        public void windowClosing(WindowEvent e) {
          okPressed = false;
          dialog.setVisible(false);
        }
      });

      dialog.setContentPane(main);
      dialog.setDefaultCloseOperation(JDialog.HIDE_ON_CLOSE);
      dialog.setSize(size);
    }

    return dialog;
  }

  /**
   * Return the PasswordAuthentication object.
   * 
   * @return the PasswordAuthentication object.
   */
  @Override
  protected PasswordAuthentication getPasswordAuthentication() {
    JDialog dialog = getDialog();

    passwordField.setText("");
    usernameField.setText("");
    hostField.setText(getRequestingHost());
    realmField.setText(getRequestingPrompt());

    dialog.setLocationRelativeTo(parent);
    dialog.setVisible(true);

    if (okPressed) {
      return new PasswordAuthentication(usernameField.getText(),
        passwordField.getPassword());
    }

    return null;
  }
}