src/main/java/net/sf/taverna/t2/workbench/ui/credentialmanager/NewEditPasswordEntryDialog.java - incubator-taverna-workbench - Git at Google

 /*******************************************************************************
  * Copyright (C) 2007 The University of Manchester
  *
  *  Modifications to the initial code base are copyright of their
  *  respective authors, or their employers as appropriate.
  *
  *  This program is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public License
  *  as published by the Free Software Foundation; either version 2.1 of
  *  the License, or (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful, but
  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  *  Lesser General Public License for more details.
  *
  *  You should have received a copy of the GNU Lesser General Public
  *  License along with this program; if not, write to the Free Software
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  ******************************************************************************/
 package net.sf.taverna.t2.workbench.ui.credentialmanager;

 import java.awt.BorderLayout;
 import java.awt.Dimension;
 import java.awt.FlowLayout;
 import java.awt.GridLayout;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Set;

 import javax.swing.JButton;
 import javax.swing.JDialog;
 import javax.swing.JFrame;
 import javax.swing.JLabel;
 import javax.swing.JPasswordField;
 import javax.swing.JTextField;
 import javax.swing.JOptionPane;
 import javax.swing.JPanel;
 import javax.swing.border.CompoundBorder;
 import javax.swing.border.EmptyBorder;
 import javax.swing.border.EtchedBorder;

 import org.apache.log4j.Logger;

 import net.sf.taverna.t2.security.credentialmanager.CMException;
 import net.sf.taverna.t2.security.credentialmanager.CredentialManager;

 /**
  * Dialog used for editing or entering new service URL, username or password of a password entry.
  *
  * @author Alex Nenadic
  */
 @SuppressWarnings("serial")
 public class NewEditPasswordEntryDialog extends JDialog
 {
 	// 'Edit' mode constant - the dialog is in the 'edit' entry mode
 	private static final String EDIT_MODE = "Edit";

 	// 'New' mode constant - the dialog is in the 'new' entry mode
 	private static final String NEW_MODE = "NEW";

 	// Mode of this dialog - NEW_MODE for entering new password entry and EDIT_MODE for editting an existing password entry */
 	String mode;

     // Service URL field
     private JTextField jtfServiceURL;

     // Username field
     private JTextField jtfUsername;

     // First password entry field
     private JPasswordField jpfFirstPassword;

     // Password confirmation entry field
     private JPasswordField jpfConfirmPassword;

     // Stores service URL entered
     private String serviceURL;

     // Stores username entered
     private String username;

     // Stores password entered
     private String password;

     private Logger logger = Logger.getLogger(NewEditPasswordEntryDialog.class);

     /**
      * Creates new NewEditPasswordEntryDialog dialog where parent is a frame.
      */
     public NewEditPasswordEntryDialog(JFrame parent, String title,
 			boolean modal, String currentURL, String currentUsername,
 			String currentPassword)
     {
         super(parent, title, modal);
         serviceURL = currentURL;
         username = currentUsername;
         password = currentPassword;
         if (serviceURL == null && username == null && password == null) // if passed values are all null
         {
         	mode = NEW_MODE; // dialog is for entering a new password entry
         }
         else{
             mode = EDIT_MODE; // dialog is for editing an existing entry
         }
         initComponents();
     }

     /**
      * Creates new NewEditPasswordEntryDialog dialog where parent is a dialog.
      */
     public NewEditPasswordEntryDialog(JDialog parent, String title, boolean modal, String currentURL, String currentUsername, String currentPassword)
     {
         super(parent, title, modal);
         serviceURL = currentURL;
         username = currentUsername;
         password = currentPassword;
         if (serviceURL == null && username == null && password == null) // if passed values are all null
         {
         	mode = NEW_MODE; // dialog is for entering new password entry
         }
         else{
             mode = EDIT_MODE; // dialog is for editing existing entry
         }
         initComponents();
     }


     /**
      * Get the username set in the dialog.
      *
      * @return the username
      */
     public String getUsername()
     {
         return username;
     }

     /**
      * Get the service URL set in the dialog.
      *
      * @return the service URL
      */
     public String getServiceURL()
     {
         return serviceURL;
     }

     /**
      * Get the password set in the dialog.
      *
      * @return the password
      */
     public String getPassword()
     {
     	return password;
     }


     /**
      * Initialise the dialog's GUI components.
      */
     private void initComponents()
     {
         getContentPane().setLayout(new BorderLayout());

         JLabel jlServiceURL = new JLabel("Service URL");
         jlServiceURL.setBorder(new EmptyBorder(0,5,0,0));

         JLabel jlUsername = new JLabel("Username");
         jlUsername.setBorder(new EmptyBorder(0,5,0,0));

         JLabel jlFirstPassword = new JLabel("Password");
         jlFirstPassword.setBorder(new EmptyBorder(0,5,0,0));

         JLabel jlConfirmPassword = new JLabel("Confirm password");
         jlConfirmPassword.setBorder(new EmptyBorder(0,5,0,0));

         jtfServiceURL = new JTextField(15);
         //jtfServiceURL.setBorder(new EmptyBorder(0,0,0,5));

         jtfUsername = new JTextField(15);
         //jtfUsername.setBorder(new EmptyBorder(0,0,0,5));

         jpfFirstPassword = new JPasswordField(15);
         //jpfFirstPassword.setBorder(new EmptyBorder(0,0,0,5));

         jpfConfirmPassword = new JPasswordField(15);
         //jpfConfirmPassword.setBorder(new EmptyBorder(0,0,0,5));


         //If in EDIT_MODE - populate the fields with current values
         if (mode.equals(EDIT_MODE)){
             jtfServiceURL.setText(serviceURL);
             jtfUsername.setText(username);
             jpfFirstPassword.setText(password);
             jpfConfirmPassword.setText(password);
         }

         JButton jbOK = new JButton("OK");
         jbOK.addActionListener(new ActionListener()
         {
             public void actionPerformed(ActionEvent evt)
             {
                 okPressed();
             }
         });

         JButton jbCancel = new JButton("Cancel");
         jbCancel.addActionListener(new ActionListener()
         {
             public void actionPerformed(ActionEvent evt)
             {
                 cancelPressed();
             }
         });

         JPanel jpPassword = new JPanel(new GridLayout(4, 2, 5, 5));
         jpPassword.add(jlServiceURL);
         jpPassword.add(jtfServiceURL);
         jpPassword.add(jlUsername);
         jpPassword.add(jtfUsername);
         jpPassword.add(jlFirstPassword);
         jpPassword.add(jpfFirstPassword);
         jpPassword.add(jlConfirmPassword);
         jpPassword.add(jpfConfirmPassword);

         jpPassword.setBorder(new CompoundBorder(
                 new EmptyBorder(10, 10, 10, 10), new EtchedBorder()));

         jpPassword.setMinimumSize(new Dimension(300,100));

         JPanel jpButtons = new JPanel(new FlowLayout(FlowLayout.CENTER));
         jpButtons.add(jbOK);
         jpButtons.add(jbCancel);

         getContentPane().add(jpPassword, BorderLayout.CENTER);
         getContentPane().add(jpButtons, BorderLayout.SOUTH);

         addWindowListener(new WindowAdapter()
         {
             public void windowClosing(WindowEvent evt)
             {
                 closeDialog();
             }
         });

         setResizable(false);

         getRootPane().setDefaultButton(jbOK);

         pack();
     }

     /**
      * Checks for the following:
      * <ul>
      *     <li>That the user has supplied a non empty service URL
      *     <li>That the user has supplied a non empty username
      *     <li>That the user has supplied and confirmed a non empty password
      *     <li>That the entry with the same URL already does not exist in the Keystore
      * </ul>
      * and stores the new password in this object.
      *
      * @return true - if the user's dialog entry matches the above criteria, false otherwise
      */
     private boolean checkControls()
     {
     	serviceURL = new String(jtfServiceURL.getText());
     	if (serviceURL.length() == 0) {
             JOptionPane.showMessageDialog(this,
                 "Service URL cannot be empty",
                 "Credential Manager Warning",
                 JOptionPane.WARNING_MESSAGE);

             return false;
     	}

     	username = new String(jtfUsername.getText());
     	if (username.length() == 0){
             JOptionPane.showMessageDialog(this,
                 "Username cannot be empty",
                 "Credential Manager Warning",
                 JOptionPane.WARNING_MESSAGE);

             return false;
     	}

     	String sFirstPassword = new String(jpfFirstPassword.getPassword());
         String sConfirmPassword = new String(jpfConfirmPassword.getPassword());

     	if ((sFirstPassword.length() > 0) && (sFirstPassword.equals(sConfirmPassword))) { // passwords the same and non-empty
     		password = sFirstPassword;
         }
         else if ((sFirstPassword.length() == 0) && (sFirstPassword.equals(sConfirmPassword))){ // passwords match but are empty

             JOptionPane.showMessageDialog(this,
                 "Password cannot be empty",
                 "Credential Manager Warning",
                 JOptionPane.WARNING_MESSAGE);

             return false;
         }
         else{ // passwords do not match
             JOptionPane.showMessageDialog(this,
                 "Passwords do not match",
                 "Credential Manager Warning",
                 JOptionPane.WARNING_MESSAGE);

             return false;
         }

 		// Check if the entered URL is already associated with another key pair entry in the Keystore
     	CredentialManager credManager = null;
     	try {
 			credManager = CredentialManager.getInstance();
 		} catch (CMException cme) {
 			// Failed to instantiate Credential Manager - warn the user and exit
 			String exMessage = "Failed to instantiate Credential Manager";
 			logger.error(exMessage, cme);
 			cme.printStackTrace();
 			JOptionPane.showMessageDialog(new JFrame(), exMessage,
 					"Credential Manager Error", JOptionPane.ERROR_MESSAGE);
 			return false;
 		}

     	HashMap<String, ArrayList<String>> urlMap = credManager.getServiceURLsforKeyPairs();
        	if (urlMap != null){ // should not be null really (although can be empty). Check anyway.
         	Set<String> aliases = urlMap.keySet();
         	for (Iterator<String> i = aliases.iterator(); i.hasNext(); ){
         		String alias = (String) i.next();
         		// Check if url list for this alias contains the newly entered url
         		ArrayList<String> urls = (ArrayList<String>) urlMap.get(alias);
         		if (urls.contains(serviceURL)){
             		// Warn the user and exit
                 	JOptionPane.showMessageDialog(
                     		this,
                     		"The entered URL is already associated with another key pair entry",
                 			"Credential Manager Alert",
                 			JOptionPane.INFORMATION_MESSAGE);
                 	return false;
         		}
         	 }
        	}

     	return true;
     }

     /**
      * OK button pressed or otherwise activated.
      */
     private void okPressed()
     {
         if (checkControls()) {
             closeDialog();
         }
     }

     /**
      * Cancel button pressed or otherwise activated.
      */
     private void cancelPressed()
     {
     	// Set all fields to null to indicate that cancel button was pressed
     	serviceURL = null;
     	username = null;
     	password = null;
         closeDialog();
     }

     /**
      * Close the dialog.
      */
     private void closeDialog()
     {
         setVisible(false);
         dispose();
     }
 }
	/*******************************************************************************
	* Copyright (C) 2007 The University of Manchester
	*
	* Modifications to the initial code base are copyright of their
	* respective authors, or their employers as appropriate.
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public License
	* as published by the Free Software Foundation; either version 2.1 of
	* the License, or (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful, but
	* WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
	******************************************************************************/
	package net.sf.taverna.t2.workbench.ui.credentialmanager;

	import java.awt.BorderLayout;
	import java.awt.Dimension;
	import java.awt.FlowLayout;
	import java.awt.GridLayout;
	import java.awt.event.ActionEvent;
	import java.awt.event.ActionListener;
	import java.awt.event.WindowAdapter;
	import java.awt.event.WindowEvent;
	import java.util.ArrayList;
	import java.util.HashMap;
	import java.util.Iterator;
	import java.util.Set;

	import javax.swing.JButton;
	import javax.swing.JDialog;
	import javax.swing.JFrame;
	import javax.swing.JLabel;
	import javax.swing.JPasswordField;
	import javax.swing.JTextField;
	import javax.swing.JOptionPane;
	import javax.swing.JPanel;
	import javax.swing.border.CompoundBorder;
	import javax.swing.border.EmptyBorder;
	import javax.swing.border.EtchedBorder;

	import org.apache.log4j.Logger;

	import net.sf.taverna.t2.security.credentialmanager.CMException;
	import net.sf.taverna.t2.security.credentialmanager.CredentialManager;

	/**
	* Dialog used for editing or entering new service URL, username or password of a password entry.
	*
	* @author Alex Nenadic
	*/
	@SuppressWarnings("serial")
	public class NewEditPasswordEntryDialog extends JDialog
	{
	// 'Edit' mode constant - the dialog is in the 'edit' entry mode
	private static final String EDIT_MODE = "Edit";

	// 'New' mode constant - the dialog is in the 'new' entry mode
	private static final String NEW_MODE = "NEW";

	// Mode of this dialog - NEW_MODE for entering new password entry and EDIT_MODE for editting an existing password entry */
	String mode;

	// Service URL field
	private JTextField jtfServiceURL;

	// Username field
	private JTextField jtfUsername;

	// First password entry field
	private JPasswordField jpfFirstPassword;

	// Password confirmation entry field
	private JPasswordField jpfConfirmPassword;

	// Stores service URL entered
	private String serviceURL;

	// Stores username entered
	private String username;

	// Stores password entered
	private String password;

	private Logger logger = Logger.getLogger(NewEditPasswordEntryDialog.class);

	/**
	* Creates new NewEditPasswordEntryDialog dialog where parent is a frame.
	*/
	public NewEditPasswordEntryDialog(JFrame parent, String title,
	boolean modal, String currentURL, String currentUsername,
	String currentPassword)
	{
	super(parent, title, modal);
	serviceURL = currentURL;
	username = currentUsername;
	password = currentPassword;
	if (serviceURL == null && username == null && password == null) // if passed values are all null
	{
	mode = NEW_MODE; // dialog is for entering a new password entry
	}
	else{
	mode = EDIT_MODE; // dialog is for editing an existing entry
	}
	initComponents();
	}

	/**
	* Creates new NewEditPasswordEntryDialog dialog where parent is a dialog.
	*/
	public NewEditPasswordEntryDialog(JDialog parent, String title, boolean modal, String currentURL, String currentUsername, String currentPassword)
	{
	super(parent, title, modal);
	serviceURL = currentURL;
	username = currentUsername;
	password = currentPassword;
	if (serviceURL == null && username == null && password == null) // if passed values are all null
	{
	mode = NEW_MODE; // dialog is for entering new password entry
	}
	else{
	mode = EDIT_MODE; // dialog is for editing existing entry
	}
	initComponents();
	}


	/**
	* Get the username set in the dialog.
	*
	* @return the username
	*/
	public String getUsername()
	{
	return username;
	}

	/**
	* Get the service URL set in the dialog.
	*
	* @return the service URL
	*/
	public String getServiceURL()
	{
	return serviceURL;
	}

	/**
	* Get the password set in the dialog.
	*
	* @return the password
	*/
	public String getPassword()
	{
	return password;
	}


	/**
	* Initialise the dialog's GUI components.
	*/
	private void initComponents()
	{
	getContentPane().setLayout(new BorderLayout());

	JLabel jlServiceURL = new JLabel("Service URL");
	jlServiceURL.setBorder(new EmptyBorder(0,5,0,0));

	JLabel jlUsername = new JLabel("Username");
	jlUsername.setBorder(new EmptyBorder(0,5,0,0));

	JLabel jlFirstPassword = new JLabel("Password");
	jlFirstPassword.setBorder(new EmptyBorder(0,5,0,0));

	JLabel jlConfirmPassword = new JLabel("Confirm password");
	jlConfirmPassword.setBorder(new EmptyBorder(0,5,0,0));

	jtfServiceURL = new JTextField(15);
	//jtfServiceURL.setBorder(new EmptyBorder(0,0,0,5));

	jtfUsername = new JTextField(15);
	//jtfUsername.setBorder(new EmptyBorder(0,0,0,5));

	jpfFirstPassword = new JPasswordField(15);
	//jpfFirstPassword.setBorder(new EmptyBorder(0,0,0,5));

	jpfConfirmPassword = new JPasswordField(15);
	//jpfConfirmPassword.setBorder(new EmptyBorder(0,0,0,5));


	//If in EDIT_MODE - populate the fields with current values
	if (mode.equals(EDIT_MODE)){
	jtfServiceURL.setText(serviceURL);
	jtfUsername.setText(username);
	jpfFirstPassword.setText(password);
	jpfConfirmPassword.setText(password);
	}

	JButton jbOK = new JButton("OK");
	jbOK.addActionListener(new ActionListener()
	{
	public void actionPerformed(ActionEvent evt)
	{
	okPressed();
	}
	});

	JButton jbCancel = new JButton("Cancel");
	jbCancel.addActionListener(new ActionListener()
	{
	public void actionPerformed(ActionEvent evt)
	{
	cancelPressed();
	}
	});

	JPanel jpPassword = new JPanel(new GridLayout(4, 2, 5, 5));
	jpPassword.add(jlServiceURL);
	jpPassword.add(jtfServiceURL);
	jpPassword.add(jlUsername);
	jpPassword.add(jtfUsername);
	jpPassword.add(jlFirstPassword);
	jpPassword.add(jpfFirstPassword);
	jpPassword.add(jlConfirmPassword);
	jpPassword.add(jpfConfirmPassword);

	jpPassword.setBorder(new CompoundBorder(
	new EmptyBorder(10, 10, 10, 10), new EtchedBorder()));

	jpPassword.setMinimumSize(new Dimension(300,100));

	JPanel jpButtons = new JPanel(new FlowLayout(FlowLayout.CENTER));
	jpButtons.add(jbOK);
	jpButtons.add(jbCancel);

	getContentPane().add(jpPassword, BorderLayout.CENTER);
	getContentPane().add(jpButtons, BorderLayout.SOUTH);

	addWindowListener(new WindowAdapter()
	{
	public void windowClosing(WindowEvent evt)
	{
	closeDialog();
	}
	});

	setResizable(false);

	getRootPane().setDefaultButton(jbOK);

	pack();
	}

	/**
	* Checks for the following:
	* <ul>
	* <li>That the user has supplied a non empty service URL
	* <li>That the user has supplied a non empty username
	* <li>That the user has supplied and confirmed a non empty password
	* <li>That the entry with the same URL already does not exist in the Keystore
	* </ul>
	* and stores the new password in this object.
	*
	* @return true - if the user's dialog entry matches the above criteria, false otherwise
	*/
	private boolean checkControls()
	{
	serviceURL = new String(jtfServiceURL.getText());
	if (serviceURL.length() == 0) {
	JOptionPane.showMessageDialog(this,
	"Service URL cannot be empty",
	"Credential Manager Warning",
	JOptionPane.WARNING_MESSAGE);

	return false;
	}

	username = new String(jtfUsername.getText());
	if (username.length() == 0){
	JOptionPane.showMessageDialog(this,
	"Username cannot be empty",
	"Credential Manager Warning",
	JOptionPane.WARNING_MESSAGE);

	return false;
	}

	String sFirstPassword = new String(jpfFirstPassword.getPassword());
	String sConfirmPassword = new String(jpfConfirmPassword.getPassword());

	if ((sFirstPassword.length() > 0) && (sFirstPassword.equals(sConfirmPassword))) { // passwords the same and non-empty
	password = sFirstPassword;
	}
	else if ((sFirstPassword.length() == 0) && (sFirstPassword.equals(sConfirmPassword))){ // passwords match but are empty

	JOptionPane.showMessageDialog(this,
	"Password cannot be empty",
	"Credential Manager Warning",
	JOptionPane.WARNING_MESSAGE);

	return false;
	}
	else{ // passwords do not match
	JOptionPane.showMessageDialog(this,
	"Passwords do not match",
	"Credential Manager Warning",
	JOptionPane.WARNING_MESSAGE);

	return false;
	}

	// Check if the entered URL is already associated with another key pair entry in the Keystore
	CredentialManager credManager = null;
	try {
	credManager = CredentialManager.getInstance();
	} catch (CMException cme) {
	// Failed to instantiate Credential Manager - warn the user and exit
	String exMessage = "Failed to instantiate Credential Manager";
	logger.error(exMessage, cme);
	cme.printStackTrace();
	JOptionPane.showMessageDialog(new JFrame(), exMessage,
	"Credential Manager Error", JOptionPane.ERROR_MESSAGE);
	return false;
	}

	HashMap<String, ArrayList<String>> urlMap = credManager.getServiceURLsforKeyPairs();
	if (urlMap != null){ // should not be null really (although can be empty). Check anyway.
	Set<String> aliases = urlMap.keySet();
	for (Iterator<String> i = aliases.iterator(); i.hasNext(); ){
	String alias = (String) i.next();
	// Check if url list for this alias contains the newly entered url
	ArrayList<String> urls = (ArrayList<String>) urlMap.get(alias);
	if (urls.contains(serviceURL)){
	// Warn the user and exit
	JOptionPane.showMessageDialog(
	this,
	"The entered URL is already associated with another key pair entry",
	"Credential Manager Alert",
	JOptionPane.INFORMATION_MESSAGE);
	return false;
	}
	}
	}

	return true;
	}

	/**
	* OK button pressed or otherwise activated.
	*/
	private void okPressed()
	{
	if (checkControls()) {
	closeDialog();
	}
	}

	/**
	* Cancel button pressed or otherwise activated.
	*/
	private void cancelPressed()
	{
	// Set all fields to null to indicate that cancel button was pressed
	serviceURL = null;
	username = null;
	password = null;
	closeDialog();
	}

	/**
	* Close the dialog.
	*/
	private void closeDialog()
	{
	setVisible(false);
	dispose();
	}
	}