scripting/examples/java/Newsgroup/PostNewsgroup.java

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * This file incorporates work covered by the following license notice:
   9  *
  10  *   Licensed to the Apache Software Foundation (ASF) under one or more
  11  *   contributor license agreements. See the NOTICE file distributed
  12  *   with this work for additional information regarding copyright
  13  *   ownership. The ASF licenses this file to you under the Apache
  14  *   License, Version 2.0 (the "License"); you may not use this file
  15  *   except in compliance with the License. You may obtain a copy of
  16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17  */
  18
  19 package org.libreoffice.example.java_scripts;
  20
  21 import java.awt.*;
  22 import java.awt.event.*;
  23 import javax.swing.*;
  24 import javax.swing.border.*;
  25 import java.util.Vector;
  26 import com.sun.star.script.framework.runtime.XScriptContext;
  27
  28
  29 public class PostNewsgroup extends JFrame
  30 {
  31
  32     // Post to newsgroup objects
  33     private NewsGroup[] subscribedNewsgroups = null;
  34     private XScriptContext xscriptcontext = null;
  35
  36     private final int FRAMEX = 300;
  37     private final int FRAMEY = 300;
  38     private final int TEXTBOXWIDTH = 300;
  39     private final int TEXTBOXHEIGHT = 24;
  40     private final int TEXTAREAHEIGHT = 70;
  41     private final int BUTTONWIDTH = 80;
  42     private final int BUTTONHEIGHT = 30;
  43
  44     private PostNewsgroup window = null;
  45     private JComboBox newsgroupComboBox = null;
  46     private JTextField hostTextField = null;
  47     private JTextField replyTextField = null;
  48     private JTextField subjectTextField = null;
  49     private JTextArea commentTextArea = null;
  50     private JRadioButton officeHtmlButton = null;
  51     private JRadioButton officeButton = null;
  52     private JRadioButton htmlButton = null;
  53     private JButton postButton = null;
  54     private JButton cancelButton = null;
  55
  56     // JFrame for launch progress dialog
  57     private StatusWindow statusWindow = null;
  58     private String statusLine = "";
  59
  60     // Tool tip text
  61     private final String newsgroupText = "Newsgroup name";
  62     private final String hostText = "Newsgroup host/server name";
  63     private final String replyText = "Email address to reply to";
  64     private final String subjectText = "Subject title for the mail";
  65     private final String commentText = "Additional comment on mail";
  66     private final String officeHtmlText = "Post as both Office and HTML attachments";
  67     private final String officeText = "Post as Office attachment only";
  68     private final String htmlText = "Post as HTML attachment only";
  69     private final String postText = "Post to newsgroup";
  70     private final String cancelText = "Cancel post to newsgroup";
  71
  72
  73     public void post( XScriptContext xsc )
  74     {
  75         xscriptcontext = xsc;
  76         window = this;
  77
  78         // create mailcap and mimetypes files (fix for classloader problem)
  79         MimeConfiguration.createFiles( xscriptcontext );
  80
  81         this.setTitle( "Post Document To Newsgroup" );
  82         this.setLocation( FRAMEX, FRAMEY );
  83
  84         this.addFocusListener( new FocusAdapter()
  85         {
  86             public void focusGained( FocusEvent event )
  87             {
  88                 System.out.println( "Focus gained" );
  89                 window.update( window.getGraphics() );
  90             }
  91
  92             public void focusLost( FocusEvent event )
  93                         {
  94                 System.out.println( "Focus lost" );
  95                         }
  96         });
  97
  98         Container container = getContentPane();
  99         container.setLayout( new GridBagLayout() );;
 100         GridBagConstraints constraints = new GridBagConstraints();
 101         constraints.fill = GridBagConstraints.BOTH;
 102
 103         JPanel labelPanel = constructLabelPanel();
 104         JPanel textPanel = constructTextPanel();
 105         JPanel optionPanel = constructOptionPanel();
 106         JPanel buttonPanel = constructButtonPanel();
 107
 108         constraints.gridx = 0;
 109         constraints.gridy = 0;
 110         constraints.gridwidth = 1;
 111         constraints.gridheight = 3;
 112         constraints.insets = new Insets( 15, 15, 5, 5 );
 113         container.add( labelPanel, constraints );
 114
 115         constraints.gridx = 1;
 116         constraints.gridy = 0;
 117         constraints.gridwidth = 4;
 118         constraints.gridheight = 3;
 119         constraints.insets = new Insets( 15, 5, 5, 15 );
 120         container.add( textPanel, constraints );
 121
 122         constraints.gridx = 0;
 123         constraints.gridy = 3;
 124         constraints.gridwidth = 5;
 125         constraints.gridheight = 1;
 126         constraints.insets = new Insets( 5, 15, 5, 15 );
 127         container.add( optionPanel, constraints );
 128
 129         constraints.gridx = 0;
 130         constraints.gridy = 4;
 131         constraints.gridwidth = 5;
 132         constraints.gridheight = 1;
 133         constraints.insets = new Insets( 5, 5, 5, 5 );
 134         container.add( buttonPanel, constraints );
 135
 136         this.pack();
 137         this.setResizable( false );
 138         this.setVisible( true );
 139     }
 140
 141
 142     private JPanel constructLabelPanel()
 143     {
 144         JLabel newsgroupLabel = new JLabel( "Newsgroup:" );
 145         JLabel hostLabel = new JLabel( "Host:" );
 146         JLabel replyLabel = new JLabel( "Reply:" );
 147         JLabel subjectLabel = new JLabel( "Subject:" );
 148         JLabel commentLabel = new JLabel( "Comment:" );
 149
 150         newsgroupLabel.setToolTipText( newsgroupText );
 151         hostLabel.setToolTipText( hostText );
 152         replyLabel.setToolTipText( replyText );
 153         subjectLabel.setToolTipText( subjectText );
 154         commentLabel.setToolTipText( commentText );
 155
 156         JPanel newsgroupPanel = new JPanel();
 157         newsgroupPanel.setLayout( new BorderLayout() );
 158         newsgroupPanel.add( newsgroupLabel, "West" );
 159         JPanel hostPanel = new JPanel();
 160         hostPanel.setLayout( new BorderLayout() );
 161         hostPanel.add( hostLabel, "West" );
 162         JPanel replyPanel = new JPanel();
 163         replyPanel.setLayout( new BorderLayout() );
 164         replyPanel.add( replyLabel, "West" );
 165         JPanel subjectPanel = new JPanel();
 166         subjectPanel.setLayout( new BorderLayout() );
 167         subjectPanel.add( subjectLabel, "West" );
 168         JPanel commentPanel = new JPanel();
 169         commentPanel.setLayout( new BorderLayout() );
 170         commentPanel.add( commentLabel, "West" );
 171         JPanel emptyPanel = new JPanel();
 172
 173         final int labelWidth = 80;
 174         newsgroupPanel.setPreferredSize( new Dimension( labelWidth, TEXTBOXHEIGHT ) );
 175         hostPanel.setPreferredSize( new Dimension( labelWidth, TEXTBOXHEIGHT ) );
 176         replyPanel.setPreferredSize( new Dimension( labelWidth, TEXTBOXHEIGHT ) );
 177         subjectPanel.setPreferredSize( new Dimension( labelWidth, TEXTBOXHEIGHT ) );
 178         commentPanel.setPreferredSize( new Dimension( labelWidth, TEXTBOXHEIGHT ) );
 179
 180         JPanel panel = new JPanel();
 181         panel.setLayout( new GridBagLayout() );
 182         GridBagConstraints constraints = new GridBagConstraints();
 183         constraints.fill = GridBagConstraints.BOTH;
 184         constraints.insets = new Insets( 5, 5, 5, 5 );
 185
 186         constraints.gridx = 0;
 187         constraints.gridy = 0;
 188         constraints.gridwidth = 1;
 189         constraints.gridheight = 1;
 190         constraints.weightx = constraints.weighty = 0.0;
 191         panel.add( newsgroupPanel, constraints );
 192
 193         constraints.gridx = 0;
 194         constraints.gridy = 1;
 195         constraints.gridwidth = 1;
 196         constraints.gridheight = 1;
 197         panel.add( hostPanel, constraints );
 198
 199         constraints.gridx = 0;
 200         constraints.gridy = 2;
 201         constraints.gridwidth = 1;
 202         constraints.gridheight = 1;
 203         panel.add( replyPanel, constraints );
 204
 205         constraints.gridx = 0;
 206         constraints.gridy = 3;
 207         constraints.gridwidth = 1;
 208         constraints.gridheight = 1;
 209         panel.add( subjectPanel, constraints );
 210
 211         constraints.gridx = 0;
 212         constraints.gridy = 4;
 213         constraints.gridwidth = 1;
 214         constraints.gridheight = 1;
 215         panel.add( commentPanel, constraints );
 216
 217         constraints.gridx = 0;
 218         constraints.gridy = 5;
 219         constraints.gridwidth = 1;
 220         constraints.gridheight = 1;
 221         constraints.weightx = constraints.weighty = 1.0;
 222         panel.add( emptyPanel, constraints );
 223
 224         return panel;
 225     }
 226
 227
 228     private JPanel constructTextPanel()
 229     {
 230         hostTextField = new JTextField();
 231                 hostTextField.setPreferredSize( new Dimension( TEXTBOXWIDTH, TEXTBOXHEIGHT ) );
 232                 hostTextField.setToolTipText( hostText );
 233         hostTextField.setBorder( new EtchedBorder() );
 234
 235         //optionPanel.setBorder( new TitledBorder( new EtchedBorder(), "Document Format" ) );
 236         newsgroupComboBox = getNewsgroupCombo();
 237
 238         replyTextField = new JTextField();
 239         replyTextField.setPreferredSize( new Dimension( TEXTBOXWIDTH, TEXTBOXHEIGHT ) );
 240         replyTextField.setToolTipText( replyText );
 241         replyTextField.setBorder( new EtchedBorder() );
 242
 243         subjectTextField = new JTextField();
 244         subjectTextField.setPreferredSize( new Dimension( TEXTBOXWIDTH, TEXTBOXHEIGHT ) );
 245         subjectTextField.setToolTipText( subjectText );
 246         subjectTextField.setBorder( new EtchedBorder() );
 247
 248         commentTextArea = new JTextArea();
 249         commentTextArea.setPreferredSize( new Dimension( TEXTBOXWIDTH, TEXTAREAHEIGHT ) );
 250         commentTextArea.setToolTipText( commentText );
 251         commentTextArea.setBorder( new EtchedBorder() );
 252
 253         JPanel panel = new JPanel();
 254         panel.setLayout( new GridBagLayout() );
 255         GridBagConstraints constraints = new GridBagConstraints();
 256         constraints.fill = GridBagConstraints.BOTH;
 257         constraints.insets = new Insets( 5, 5, 5, 5 );
 258
 259         constraints.gridx = 0;
 260         constraints.gridy = 0;
 261         constraints.gridwidth = 1;
 262         constraints.gridheight = 1;
 263         panel.add( newsgroupComboBox, constraints );
 264
 265         constraints.gridx = 0;
 266         constraints.gridy = 1;
 267         constraints.gridwidth = 1;
 268         constraints.gridheight = 1;
 269         panel.add( hostTextField, constraints );
 270
 271         constraints.gridx = 0;
 272         constraints.gridy = 2;
 273         constraints.gridwidth = 1;
 274         constraints.gridheight = 1;
 275         panel.add( replyTextField, constraints );
 276
 277         constraints.gridx = 0;
 278         constraints.gridy = 3;
 279         constraints.gridwidth = 1;
 280         constraints.gridheight = 1;
 281         panel.add( subjectTextField, constraints );
 282
 283         constraints.gridx = 0;
 284         constraints.gridy = 4;
 285         constraints.gridwidth = 1;
 286         constraints.gridheight = 2;
 287         panel.add( commentTextArea, constraints );
 288
 289         return panel;
 290     }
 291
 292
 293     private JComboBox getNewsgroupCombo()
 294     {
 295         newsgroupComboBox = new JComboBox();
 296         //newsgroupComboBox.setBorder( new EtchedBorder() );
 297
 298            newsgroupComboBox.addActionListener(new ActionListener()
 299            {
 300                 public void actionPerformed(ActionEvent e)
 301                 {
 302                 // when newsgroup is selected
 303                 if( subscribedNewsgroups != null )
 304                 {
 305                     int position = newsgroupComboBox.getSelectedIndex();
 306                     if( position != -1 )
 307                     {
 308                         hostTextField.setText( subscribedNewsgroups[ position ].getHostName() );
 309                         newsgroupComboBox.setToolTipText( "Newsgroup name: " + subscribedNewsgroups[ position ].getNewsgroupName() + "  (Host name: " + subscribedNewsgroups[ position ].getHostName() + ")" );
 310                     }
 311                 }
 312             }
 313         });
 314
 315         NewsGroup groupToSend = null;
 316         SubscribedNewsgroups newsgroups = new SubscribedNewsgroups();
 317         subscribedNewsgroups = newsgroups.getNewsGroups();
 318
 319         // Test for no .mozilla or no subscribed newsgroups
 320         // subscribedNewsgroups = null;
 321
 322         if( subscribedNewsgroups == null )
 323         {
 324             //System.out.println( "Couldn't find any subscibed newsgroups in .mozilla" );
 325             JOptionPane.showMessageDialog( window, "No subscribed newsgroups found in mozilla/netscape profile \nPlease enter newsgroup and host name",
 326                             "Newsgroups Information", JOptionPane.INFORMATION_MESSAGE );
 327         }
 328         else
 329         {
 330             // Copy all newsgroups into a vector for comparison
 331             // Alter entries (to include host name) if duplication is found
 332             ArrayList vector = new ArrayList( subscribedNewsgroups.length );
 333             for(int i=0; i < subscribedNewsgroups.length; i++ )
 334             {
 335                 vector.add( subscribedNewsgroups[i].getNewsgroupName() );
 336             }
 337             // Compare and alter
 338             for(int i=0; i < subscribedNewsgroups.length; i++ )
 339             {
 340                 // check if combo box already has a newsgroup with same name
 341                 // then add host name to differentiate
 342                 for(int j=0; j < subscribedNewsgroups.length; j++ )
 343                 {
 344                     if( j != i && subscribedNewsgroups[j].getNewsgroupName().equalsIgnoreCase( subscribedNewsgroups[i].getNewsgroupName() ) )
 345                     {
 346                         vector.set( j, subscribedNewsgroups[j].getNewsgroupName() + "  (" + subscribedNewsgroups[j].getHostName() + ")" );
 347                         vector.set( i, subscribedNewsgroups[i].getNewsgroupName() + "  (" + subscribedNewsgroups[i].getHostName() + ")" );
 348                     }
 349                 }
 350             }
 351             // Copy converted newsgroups from vector to combo box
 352             for(int i=0; i < subscribedNewsgroups.length; i++ )
 353             {
 354                 newsgroupComboBox.addItem( vector.elementAt(i) );
 355             }
 356         }// else
 357
 358         newsgroupComboBox.setPreferredSize( new Dimension( TEXTBOXWIDTH, TEXTBOXHEIGHT ) );
 359         newsgroupComboBox.setEditable( true );
 360
 361         return newsgroupComboBox;
 362     }
 363
 364
 365
 366     private JPanel constructOptionPanel()
 367     {
 368         officeHtmlButton = new JRadioButton( "Office and HTML", true );
 369         officeHtmlButton.setToolTipText( officeHtmlText );
 370
 371         officeButton = new JRadioButton( "Office" );
 372         officeButton.setToolTipText( officeText );
 373
 374         htmlButton = new JRadioButton( "HTML" );
 375         htmlButton.setToolTipText( htmlText );
 376
 377         JRadioButton[] rbuttons = { officeHtmlButton, officeButton, htmlButton };
 378         ButtonGroup radioButtonGroup = new ButtonGroup();
 379         for( int i=0; i < rbuttons.length; i++ )
 380         {
 381             radioButtonGroup.add( rbuttons[i] );
 382         }
 383
 384         JPanel optionPanel = new JPanel();
 385         //optionPanel.setLayout( new GridLayout( 1, 3, 20, 0 ) );
 386         optionPanel.setBorder( new TitledBorder( new EtchedBorder(), "Document Format" ) );
 387         optionPanel.setLayout( new GridBagLayout() );
 388         GridBagConstraints constraints = new GridBagConstraints();
 389         constraints.fill = GridBagConstraints.BOTH;
 390
 391         constraints.gridx = 0;
 392                 constraints.gridy = 0;
 393                 constraints.gridwidth = 1;
 394                 constraints.gridheight = 1;
 395         constraints.insets = new Insets( 5, 5, 5, 30 );
 396                 optionPanel.add( officeHtmlButton, constraints );
 397
 398         constraints.gridx = 1;
 399                 constraints.gridy = 0;
 400                 constraints.gridwidth = 1;
 401                 constraints.gridheight = 1;
 402         constraints.insets = new Insets( 5, 20, 5, 30 );
 403                 optionPanel.add( officeButton, constraints );
 404
 405         constraints.gridx = 2;
 406                 constraints.gridy = 0;
 407                 constraints.gridwidth = 1;
 408                 constraints.gridheight = 1;
 409         constraints.insets = new Insets( 5, 20, 5, 5 );
 410                 optionPanel.add( htmlButton, constraints );
 411
 412                 return optionPanel;
 413     }
 414
 415
 416
 417     public boolean sendingActions()
 418     {
 419             // posting actions
 420             // Validate the data
 421             if( isValidData() )
 422             {
 423                 // Create status window
 424                 StatusWindow statusWindow = new StatusWindow( window,  "Posting to Newsgroup", FRAMEX, FRAMEY );
 425
 426                 statusWindow.setVisible( true );
 427                 //statusWindow.requestFocusInWindow();
 428                 statusLine = "Ready to send...";
 429                 statusWindow.setStatus( 0, statusLine );
 430
 431                 // Get the boolean values for HTML/Office document
 432                 // params: ( XScriptContext, StatusWindow, html document, office document )
 433
 434                 boolean html = false;
 435                 boolean office = false;
 436                 if( officeHtmlButton.isSelected() ) { html = true; office = true; }
 437                 if( officeButton.isSelected() ) { office = true; html = false; }
 438                 if( htmlButton.isSelected() ) { html = true; office = false; }
 439
 440                 OfficeAttachment officeAttach = new OfficeAttachment( xscriptcontext, statusWindow, html, office );
 441
 442                 statusLine = "Getting user input";
 443                 statusWindow.setStatus( 2, statusLine );
 444                 // Get replyto, subject, comment from textboxes
 445                 String replyto = replyTextField.getText();
 446                 String subject = subjectTextField.getText();
 447                 String comment = commentTextArea.getText();
 448
 449                 // Get newsgroup from combo box (corresponding position)
 450                 String host = "";
 451                 String group = "";
 452                 int position = newsgroupComboBox.getSelectedIndex();
 453                 if( subscribedNewsgroups == null || position == -1 )
 454                 {
 455                     host = hostTextField.getText();
 456                     group = newsgroupComboBox.getSelectedItem().toString();
 457                 }
 458                 else
 459                 {
 460                     //int position = newsgroupComboBox.getSelectedIndex();
 461                     host = subscribedNewsgroups[ position ].getHostName();
 462                     group = subscribedNewsgroups[ position ].getNewsgroupName();
 463                 }
 464
 465                 statusLine = "Creating sender object";
 466                 statusWindow.setStatus( 3, statusLine );
 467                 Sender sender = new Sender( statusWindow, officeAttach, replyto, subject, comment, host, group );
 468                 if( !sender.sendMail() )
 469                 {
 470                     //System.out.println( "Should end here (?)" );
 471                     statusWindow.enableCancelButton( true );
 472                     officeAttach.cleanUpOnError();
 473                     return false;
 474                 }
 475
 476                 statusLine = "Send is complete";
 477                 statusWindow.setStatus( 14, statusLine );
 478             }
 479             else
 480             {
 481                 //System.out.println( "Non valid data" );
 482                 return false;
 483             }
 484             return true;
 485     }
 486
 487
 488     private JPanel constructButtonPanel()
 489     {
 490         Action postAction = new AbstractAction() {
 491             public void actionPerformed( ActionEvent event ) {
 492                 // posting actions
 493                 sendingActions();
 494             }// actionPerformed
 495         };
 496
 497         Action cancelAction = new AbstractAction() {
 498                         public void actionPerformed( ActionEvent event ) {
 499                                 // cancelling actions
 500                 window.dispose();
 501                         }
 502                 };
 503
 504         postButton = new JButton();
 505         postButton.setAction( postAction );
 506         postButton.setToolTipText( postText );
 507         postButton.setText( "Post" );
 508         postButton.setPreferredSize( new Dimension( BUTTONWIDTH + 20, BUTTONHEIGHT ) );
 509
 510         cancelButton = new JButton();
 511         cancelButton.setAction( cancelAction );
 512         cancelButton.setToolTipText( cancelText );
 513         cancelButton.setText( "Cancel" );
 514         cancelButton.setPreferredSize( new Dimension( BUTTONWIDTH + 20, BUTTONHEIGHT ) );
 515
 516         JSeparator sep = new JSeparator( SwingConstants.HORIZONTAL );
 517
 518         JPanel buttonPanel = new JPanel();
 519         buttonPanel.setLayout( new GridBagLayout() );
 520         GridBagConstraints constraints = new GridBagConstraints();
 521         constraints.fill = GridBagConstraints.BOTH;
 522         constraints.insets = new Insets( 5, 5, 5, 5 );
 523
 524         JPanel emptyPanel1 = new JPanel();
 525         emptyPanel1.setPreferredSize( new Dimension( BUTTONWIDTH, BUTTONHEIGHT ) );
 526
 527         JPanel emptyPanel2 = new JPanel();
 528         emptyPanel2.setPreferredSize( new Dimension( BUTTONWIDTH, BUTTONHEIGHT ) );
 529
 530         constraints.gridx = 0;
 531                 constraints.gridy = 0;
 532                 constraints.gridwidth = 4;
 533                 constraints.gridheight = 1;
 534                 buttonPanel.add( sep, constraints );
 535
 536         constraints.gridx = 0;
 537                 constraints.gridy = 1;
 538                 constraints.gridwidth = 1;
 539                 constraints.gridheight = 1;
 540                 buttonPanel.add( emptyPanel1, constraints );
 541
 542                 constraints.gridx = 1;
 543                 constraints.gridy = 1;
 544                 constraints.gridwidth = 1;
 545                 constraints.gridheight = 1;
 546                 buttonPanel.add( emptyPanel2, constraints );
 547
 548         constraints.gridx = 2;
 549         constraints.gridy = 1;
 550         constraints.gridwidth = 1;
 551         constraints.gridheight = 1;
 552         buttonPanel.add( postButton, constraints );
 553
 554         constraints.gridx = 3;
 555         constraints.gridy = 1;
 556         constraints.gridwidth = 1;
 557         constraints.gridheight = 1;
 558         constraints.insets = new Insets( 5, 5, 5, 0 );
 559         buttonPanel.add( cancelButton, constraints );
 560
 561                 return buttonPanel;
 562     }
 563
 564
 565     public void enableButtons( boolean enable )
 566     {
 567         if( enable )
 568         {
 569             postButton.setEnabled( true );
 570             cancelButton.setEnabled( true );
 571         }
 572         else
 573         {
 574             postButton.setEnabled( false );
 575             cancelButton.setEnabled( false );
 576         }
 577     }
 578
 579
 580     private boolean isValidData()
 581     {
 582         // newsgroupComboBox must not be blank (format? dots and whitespace)
 583         String newsgroupString = "";
 584         int position = newsgroupComboBox.getSelectedIndex();
 585         if( subscribedNewsgroups == null || position == -1 )
 586         {
 587             newsgroupString = newsgroupComboBox.getSelectedItem().toString();
 588         }
 589         else
 590         {
 591             //int position = newsgroupComboBox.getSelectedIndex();
 592             newsgroupString = subscribedNewsgroups[ position ].getNewsgroupName();
 593         }
 594         if( newsgroupString.length() == 0 )
 595         {
 596             //System.out.println( "Please enter a newsgroup name" );
 597             newsgroupComboBox.requestFocus();
 598             JOptionPane.showMessageDialog( window, "Please enter a newsgroup name", "Input Error", JOptionPane.ERROR_MESSAGE );
 599             return false;
 600         }
 601
 602
 603         // hostTextField must not be blank (format?)
 604         String  hostString = hostTextField.getText();
 605                 if( hostString.length() == 0 )
 606                 {
 607             //System.out.println( "Please enter a hostname" );
 608             hostTextField.requestFocus();
 609             JOptionPane.showMessageDialog( window, "Please enter a hostname", "Input Error", JOptionPane.ERROR_MESSAGE );
 610                         return false;
 611                 }
 612
 613
 614         // replyTextField must have <string>@<string>.<string>
 615         // (string at least 2 chars long)
 616         // consider <s>.<s>@<s>.<s>.<s> format? (array of dot positons?)
 617         String replyString = replyTextField.getText();
 618         int atPos = replyString.indexOf( "@" );
 619         int dotPos = replyString.lastIndexOf( "." );
 620         int length = replyString.length();
 621         //System.out.println( "length: " + length + "\n atPos: " + atPos + "\n dotPos: " + dotPos );
 622         if( length == 0 || atPos == -1 || dotPos == -1 || atPos < 2 || dotPos < atPos || dotPos + 2 == length || atPos + 2 == dotPos || atPos != replyString.lastIndexOf( "@" ) || replyString.indexOf(" ") != -1 )
 623         {
 624             //System.out.println( "Please enter a valid reply to email address" );
 625             replyTextField.requestFocus();
 626             JOptionPane.showMessageDialog( window, "Please enter a valid reply to email address", "Input Error", JOptionPane.ERROR_MESSAGE );
 627             return false;
 628         }
 629
 630
 631         // subjectTextField must not be blank?
 632         String subjectString = subjectTextField.getText();
 633         if( subjectString.length() == 0 )
 634         {
 635             //System.out.println( "Please enter subject title" );
 636             subjectTextField.requestFocus();
 637             JOptionPane.showMessageDialog( window, "Please enter subject title", "Input Error", JOptionPane.ERROR_MESSAGE );
 638             return false;
 639         }
 640
 641         // details are valid
 642         return true;
 643     }
 644
 645 }