src/org/mxchange/addressbook/client/console/ConsoleClient.java

   1 /*
   2  * Copyright (C) 2015 Roland Haeder
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.addressbook.client.console;
  18
  19 import java.io.IOException;
  20 import java.lang.reflect.InvocationTargetException;
  21 import java.sql.SQLException;
  22 import java.text.MessageFormat;
  23 import java.util.Arrays;
  24 import java.util.Scanner;
  25 import org.mxchange.addressbook.application.AddressbookApplication;
  26 import org.mxchange.addressbook.client.AddressbookClient;
  27 import org.mxchange.addressbook.client.BaseAddressbookClient;
  28 import org.mxchange.addressbook.contact.user.UserContact;
  29 import org.mxchange.addressbook.exceptions.ContactAlreadyAddedException;
  30 import org.mxchange.addressbook.manager.contact.ManageableAddressbookContact;
  31 import org.mxchange.addressbook.menu.Menu;
  32 import org.mxchange.addressbook.menu.MenuTools;
  33 import org.mxchange.addressbook.menu.console.ConsoleMenu;
  34 import org.mxchange.addressbook.menu.item.SelectableMenuItem;
  35 import org.mxchange.addressbook.menu.item.console.ConsoleMenuItem;
  36 import org.mxchange.jcore.application.Application;
  37 import org.mxchange.jcore.contact.Contact;
  38 import org.mxchange.jcore.contact.Gender;
  39 import org.mxchange.jcore.exceptions.BadTokenException;
  40 import org.mxchange.jcore.exceptions.CorruptedDatabaseFileException;
  41 import org.mxchange.jcore.exceptions.UnhandledUserChoiceException;
  42 import org.mxchange.jcore.exceptions.UnsupportedDatabaseBackendException;
  43
  44 /**
  45  * A client for the console
  46  *
  47  * @author Roland Haeder
  48  */
  49 public class ConsoleClient extends BaseAddressbookClient implements AddressbookClient {
  50
  51         /**
  52          * Scanner instance for reading data from console input
  53          */
  54         private final Scanner scanner;
  55
  56         /**
  57          * Parameterless constructor
  58          *
  59          * @param application An instance of an Application class
  60          */
  61         public ConsoleClient (final Application application) {
  62                 // Trace message
  63                 this.getLogger().trace(MessageFormat.format("application={0} - CALLED!", application)); //NOI18N
  64
  65                 // Set application instance
  66                 this.setApplication(application);
  67
  68                 // Init scanner instance
  69                 this.scanner = new Scanner(System.in, "UTF-8"); //NOI18N
  70
  71                 // Trace message
  72                 this.getLogger().trace("EXIT!"); //NOI18N
  73         }
  74
  75         /**
  76          * Displays a textual address "box" of given contact
  77          *
  78          * @param contact Contact to show address for
  79          */
  80         @Override
  81         public void displayAddressBox (final Contact contact) {
  82                 // Trace message
  83                 this.getLogger().trace(MessageFormat.format("contact={0} - CALLED!", contact)); //NOI18N
  84
  85                 // Is it null?
  86                 if (null == contact) {
  87                         // Abort here
  88                         throw new NullPointerException("contact is null"); //NOI18N
  89                 }
  90
  91                 // Simple display ...
  92                 this.outputMessage(MessageFormat.format("Strasse, PLZ Ort, Land: {0}\n{1} {2}\n{3}", contact.getStreet(), contact.getZipCode(), contact.getCity(), contact.getCountryCode()));
  93
  94                 // Trace message
  95                 this.getLogger().trace("EXIT!"); //NOI18N
  96         }
  97
  98         /**
  99          * Displays a textual name "box" of given contact
 100          *
 101          * @param contact Contact to show name for
 102          */
 103         @Override
 104         public void displayNameBox (final Contact contact) {
 105                 // Trace message
 106                 this.getLogger().trace(MessageFormat.format("contact={0} - CALLED!", contact)); //NOI18N
 107
 108                 // Is it null?
 109                 if (null == contact) {
 110                         // Abort here
 111                         throw new NullPointerException("contact is null"); //NOI18N
 112                 }
 113
 114                 // Get translated gender as the user may want to see "Mr.", "Mrs."
 115                 String gender = contact.getTranslatedGender();
 116
 117                 // Get company name
 118                 String companyName = contact.getCompanyName();
 119
 120                 // If it is empty/null, then assume private contact
 121                 if ((null == companyName) || (companyName.isEmpty())) {
 122                         // Now put all together: gender, surname, family name
 123                         // @todo Use mask
 124                         this.outputMessage(MessageFormat.format("Anrede, Vorname, Name: {0} {1} {2}", gender, contact.getFirstName(), contact.getFamilyName()));
 125                 } else {
 126                         // Company contact
 127                         this.outputMessage(MessageFormat.format("Firma: {0}\nAnsprechpartner: {1} {2} {3}", companyName, gender, contact.getFirstName(), contact.getFamilyName()));
 128                 }
 129
 130                 // Trace message
 131                 this.getLogger().trace("EXIT!"); //NOI18N
 132         }
 133
 134         /**
 135          * Displays a textual other data "box" of given contact
 136          *
 137          * @param contact Contact to show other data for
 138          */
 139         @Override
 140         public void displayOtherDataBox (final Contact contact) {
 141                 // Trace message
 142                 this.getLogger().trace(MessageFormat.format("contact={0} - CALLED!", contact)); //NOI18N
 143
 144                 // Is it null?
 145                 if (null == contact) {
 146                         // Abort here
 147                         throw new NullPointerException("contact is null"); //NOI18N
 148                 }
 149
 150                 // Cellphone and such ...
 151                 this.outputMessage(MessageFormat.format("Telefonnumer: {0}\nFaxnummer: {1}\nHandy: {2}\nKommentar:\n{3}", contact.getPhoneNumber(), contact.getFaxNumber(), contact.getCellphoneNumber(), contact.getComment()));
 152
 153                 // Trace message
 154                 this.getLogger().trace("EXIT!"); //NOI18N
 155         }
 156
 157         @Override
 158         public void doChangeOwnAddressData (final Contact contact) {
 159                 // Trace message
 160                 this.getLogger().trace(MessageFormat.format("contact={0} - CALLED!", contact)); //NOI18N
 161
 162                 // Is it null?
 163                 if (null == contact) {
 164                         // Abort here
 165                         throw new NullPointerException("contact is null"); //NOI18N
 166                 }
 167
 168                 // Make sure it is own contact
 169                 if (!contact.isOwnContact()) {
 170                         // Not own contact
 171                         throw new IllegalArgumentException("Contact is not own data."); //NOI18N
 172                 }
 173
 174                 // Get manager and cast it
 175                 ManageableAddressbookContact manager = (ManageableAddressbookContact) this.getManager();
 176
 177                 // Own street and number
 178                 String streetNumber = manager.enterOwnStreet();
 179
 180                 // Get zip code
 181                 Long zipCode = (long) manager.enterOwnZipCode();
 182
 183                 // Get city name
 184                 String city = manager.enterOwnCity();
 185
 186                 // Get country code
 187                 String countryCode = manager.enterOwnCountryCode();
 188
 189                 // Update address data
 190                 contact.setStreet(streetNumber);
 191                 contact.setZipCode(zipCode);
 192                 contact.setCity(city);
 193                 contact.setCountryCode(countryCode);
 194
 195                 // Trace message
 196                 this.getLogger().trace("EXIT!"); //NOI18N
 197         }
 198
 199         @Override
 200         public void doChangeOwnNameData (final Contact contact) {
 201                 // Trace message
 202                 this.getLogger().trace(MessageFormat.format("contact={0} - CALLED!", contact)); //NOI18N
 203
 204                 // Is it null?
 205                 if (null == contact) {
 206                         // Abort here
 207                         throw new NullPointerException("contact is null"); //NOI18N
 208                 }
 209
 210                 // Make sure it is own contact
 211                 if (!contact.isOwnContact()) {
 212                         // Not own contact
 213                         throw new IllegalArgumentException("Contact is not own data."); //NOI18N
 214                 }
 215
 216                 // Get manager and cast it
 217                 ManageableAddressbookContact manager = (ManageableAddressbookContact) this.getManager();
 218
 219                 // Gender:
 220                 Gender gender = manager.enterOwnGender();
 221
 222                 // Surname
 223                 String firstName = manager.enterOwnFirstName();
 224
 225                 // Family name
 226                 String familyName = manager.enterOwnFamilyName();
 227
 228                 // And company
 229                 String companyName = manager.enterOwnCompanyName();
 230
 231                 // Update contact instance
 232                 contact.setGender(gender);
 233                 contact.setFirstName(firstName);
 234                 contact.setFamilyName(familyName);
 235                 contact.setCompanyName(companyName);
 236
 237                 // Trace message
 238                 this.getLogger().trace("EXIT!"); //NOI18N
 239         }
 240
 241         @Override
 242         public void doChangeOwnOtherData (final Contact contact) {
 243                 // Trace message
 244                 this.getLogger().trace(MessageFormat.format("contact={0} - CALLED!", contact)); //NOI18N
 245
 246                 // Is it null?
 247                 if (null == contact) {
 248                         // Abort here
 249                         throw new NullPointerException("contact is null"); //NOI18N
 250                 }
 251
 252                 // Make sure it is own contact
 253                 if (!contact.isOwnContact()) {
 254                         // Not own contact
 255                         throw new IllegalArgumentException("Contact is not own data."); //NOI18N
 256                 }
 257
 258                 // Get manager and cast it
 259                 ManageableAddressbookContact manager = (ManageableAddressbookContact) this.getManager();
 260
 261                 // Phone number
 262                 String phoneNumber = manager.enterOwnPhoneNumber();
 263
 264                 // Phone number
 265                 String cellphonePhoneNumber = manager.enterOwnCellNumber();
 266
 267                 // Fax number
 268                 String faxNumber = manager.enterOwnFaxNumber();
 269
 270                 // Email address
 271                 String email = manager.enterOwnEmailAddress();
 272
 273                 // Comment
 274                 String comment = manager.enterOwnComment();
 275
 276                 // Update contact instance
 277                 contact.setPhoneNumber(phoneNumber);
 278                 contact.setCellphoneNumber(cellphonePhoneNumber);
 279                 contact.setFaxNumber(faxNumber);
 280                 contact.setEmailAddress(email);
 281                 contact.setComment(comment);
 282
 283                 // Trace message
 284                 this.getLogger().trace("EXIT!"); //NOI18N
 285         }
 286
 287         @Override
 288         public Contact doEnterOwnData () {
 289                 // Trace message
 290                 this.getLogger().trace("CALLED!"); //NOI18N
 291
 292                 // Get manager and cast it
 293                 ManageableAddressbookContact manager = (ManageableAddressbookContact) this.getManager();
 294
 295                 // First ask for gender
 296                 Gender gender = manager.enterOwnGender();
 297
 298                 // 2nd for surname
 299                 String surname = manager.enterOwnFirstName();
 300
 301                 // And 3rd for family name
 302                 String familyName = manager.enterOwnFamilyName();
 303
 304                 // Company name ...
 305                 String companyName = manager.enterOwnCompanyName();
 306
 307                 // Construct UserContact instance
 308                 Contact contact = new UserContact(gender, surname, familyName, companyName);
 309
 310                 // Trace message
 311                 this.getLogger().trace(MessageFormat.format("contact={0} - EXIT!", contact)); //NOI18N
 312
 313                 // And return object
 314                 return contact;
 315         }
 316
 317         /**
 318          * Shutdown this client
 319          */
 320         @Override
 321         public void doShutdown () throws SQLException, IOException {
 322                 // Trace message
 323                 this.getLogger().trace("CALLED!"); //NOI18N
 324
 325                 // Parent call
 326                 super.doShutdown();
 327
 328                 // @TODO Add other shutdown stuff
 329
 330                 // Trace message
 331                 this.getLogger().trace("EXIT!"); //NOI18N
 332         }
 333
 334         @Override
 335         public void doUserMenuChoice () throws UnhandledUserChoiceException {
 336                 // Trace message
 337                 this.getLogger().trace("CALLED!"); //NOI18N
 338
 339                 // Get all access keys from menu
 340                 char[] accessKeys = MenuTools.getAccessKeysFromMenuMap(this.getMenus(), this.getCurrentMenu());
 341
 342                 // Output textural message and ask for a char as input
 343                 char choice = this.enterChar(accessKeys, "Bitte Auswahl eingeben (0=Programm beenden): ");
 344
 345                 // Get manager and cast it
 346                 ManageableAddressbookContact manager = (ManageableAddressbookContact) this.getManager();
 347
 348                 // Try it!
 349                 try {
 350                         // @TODO Rewrite this ugly switch() block
 351                         switch (choice) {
 352                                 case '1':
 353                                         try {
 354                                                 // Enter/add own data
 355                                                 manager.doEnterOwnData();
 356                                         } catch (final ContactAlreadyAddedException ex) {
 357                                                 // Already added
 358                                                 this.outputMessage("Sie haben bereits Ihre eigenen Daten eingegeben.");
 359                                         }
 360                                         break;
 361
 362                                 case '2': // Change own data
 363                                         manager.doChangeOwnData();
 364                                         break;
 365
 366                                 case '3': // Add new addess
 367                                         manager.doAddOtherAddress();
 368                                         break;
 369
 370                                 case '4': // List contacts
 371                                         manager.doListContacts();
 372                                         break;
 373
 374                                 case '5': // Search addresses
 375                                         manager.doSearchContacts();
 376                                         break;
 377
 378                                 case '6': // Change other addess
 379                                         manager.doChangeOtherAddress();
 380                                         break;
 381
 382                                 case '7': // Delete other address
 383                                         manager.doDeleteOtherAddress();
 384                                         break;
 385
 386                         case '0':
 387                                 try {
 388                                         // Program exit
 389                                         this.getApplication().doShutdown();
 390                                 } catch (final SQLException | IOException ex) {
 391                                         this.abortProgramWithException(ex);
 392                                 }
 393                                 break;
 394
 395                                 default:
 396                                         // @TODO throw own exception
 397                                         throw new UnhandledUserChoiceException(MessageFormat.format("Choice '{0}' not handled yet.", choice)); //NOI18N
 398                         }
 399                 } catch (final IOException | BadTokenException | CorruptedDatabaseFileException | SQLException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
 400                         // Something bad happened
 401                         this.abortProgramWithException(ex);
 402                 }
 403
 404                 // Trace message
 405                 this.getLogger().trace("EXIT!"); //NOI18N
 406         }
 407
 408         /**
 409          * Asks the the user to enter a single character which must match validChars
 410          *
 411          * @param       validChars Valid chars that are accepted
 412          * @param       message Message to user
 413          * @return      Allowed character
 414          */
 415         @Override
 416         public char enterChar (final char[] validChars, final String message) {
 417                 // Trace message
 418                 this.getLogger().trace(MessageFormat.format("validChars={0},message={1} - CALLED!", Arrays.toString(validChars), message)); //NOI18N
 419
 420                 // The validChars must not null be null and filled with at least one char
 421                 if (null == validChars) {
 422                         // Is null
 423                         throw new NullPointerException("validChars is null"); //NOI18N
 424                 } else if (validChars.length == 0) {
 425                         // Is not filled
 426                         throw new IllegalArgumentException("validChars is not filled."); //NOI18N
 427                 }
 428
 429                 char input = 0;
 430
 431                 // Sort array, else binarySearch() won't work
 432                 Arrays.sort(validChars);
 433
 434                 // Keep asking until valid char has been entered
 435                 while (Arrays.binarySearch(validChars, input) < 0) {
 436                         // Output message
 437                         System.out.print(message);
 438
 439                         // Read char
 440                         input = this.readChar();
 441                 }
 442
 443                 // Trace message
 444                 this.getLogger().trace(MessageFormat.format("input={0} - EXIT!", input)); //NOI18N
 445
 446                 // Return read char
 447                 return input;
 448         }
 449
 450         /**
 451          * Asks the user to enter his/her gender
 452          *
 453          * @param message Message to the user
 454          * @return Gender enum
 455          */
 456         @Override
 457         public Gender enterGender (final String message) {
 458                 // Trace message
 459                 this.getLogger().trace(MessageFormat.format("message={0} - CALLED!", message)); //NOI18N
 460
 461                 // Get valid chars
 462                 char[] validChars = Gender.validChars();
 463
 464                 // Debug message
 465                 //* NOISY-DEBUG: */ System.out.println(validChars);
 466                 // Call inner method
 467                 char gender = this.enterChar(validChars, message);
 468
 469                 // Now get a Gender instance back
 470                 Gender g = Gender.fromChar(gender);
 471
 472                 // g must not be null
 473                 assert(g instanceof Gender) : "g is not set."; //NOI18N
 474
 475                 // Trace message
 476                 this.getLogger().trace(MessageFormat.format("g={0} - EXIT!", g)); //NOI18N
 477
 478                 // Return it
 479                 return g;
 480         }
 481
 482         /**
 483          * Reads an integer (int) with a textural message from the user
 484          *
 485          * @param minimum Minimum allowed number
 486          * @param maximum Maximum allowed number
 487          * @param message Messager to display in console
 488          * @return
 489          */
 490         @Override
 491         public int enterInt (final int minimum, final int maximum, final String message) {
 492                 // Trace message
 493                 this.getLogger().trace(MessageFormat.format("minimum={0},maximum={1},message={2} - CALLED!", minimum, maximum, message)); //NOI18N
 494
 495                 // Minimum should not be below zero
 496                 assert (minimum >= 0);
 497                 assert (maximum > minimum);
 498
 499                 // Init input
 500                 int input = -1;
 501
 502                 while ((input < minimum) || (input > maximum)) {
 503                         // Output message
 504                         System.out.print(message);
 505
 506                         // Read integer from user
 507                         input = this.readInt();
 508                 }
 509
 510                 // Trace message
 511                 this.getLogger().trace(MessageFormat.format("input={0} - EXIT!", input)); //NOI18N
 512
 513                 // Return it
 514                 return input;
 515         }
 516
 517         /**
 518          * Reads a string of minimum and maximum length from the user
 519          *
 520          * @param minLength     Minimum length of the string to read
 521          * @param maxLength     Maximum length of the string to read
 522          * @param message       Message to user
 523          * @param allowEmpty Whether to allow empty string
 524          * @return Entered string by user or null for empty strings
 525          */
 526         @Override
 527         public String enterString (final int minLength, final int maxLength, final String message, final boolean allowEmpty) {
 528                 // Trace message
 529                 this.getLogger().trace(MessageFormat.format("minLength={0},maxLength={1},message={2}allowEmpty={3} - CALLED!", minLength, maxLength, message, allowEmpty)); //NOI18N
 530
 531                 // Check on length, e.g. country codes are excactly 2 chars long
 532                 assert (maxLength >= minLength);
 533
 534                 // Init input
 535                 String input = null;
 536
 537                 // Check if it is to short or to long
 538                 while (((null == input) || ((input.length() < minLength) && (!allowEmpty))) || ((input.length() > 0) && (input.length() < minLength) && (allowEmpty)) || ((input instanceof String) && (input.length() > maxLength))) {
 539                         // Output message
 540                         System.out.print(message);
 541
 542                         // Read line
 543                         input = this.readString();
 544                 }
 545
 546                 // Trace message
 547                 this.getLogger().trace(MessageFormat.format("input={0} - EXIT!", input)); //NOI18N
 548
 549                 // Return it
 550                 return input;
 551         }
 552
 553         /**
 554          * Returns a console menu item
 555          *
 556          * @param accessKey Key to access the menu
 557          * @param text Text to show to user
 558          * @return A SelectableMenuItem
 559          * @todo Make sure the access key is unique
 560          */
 561         @Override
 562         public SelectableMenuItem getMenuItem (final char accessKey, final String text) {
 563                 // Return a new console menu item
 564                 return new ConsoleMenuItem(accessKey, text);
 565         }
 566
 567         /**
 568          * Initializes this client
 569          */
 570         @Override
 571         public void init () {
 572                 // Trace message
 573                 this.getLogger().trace("CALLED!"); //NOI18N
 574
 575                 // Init contact manager here
 576                 try {
 577                         this.initContactManager();
 578                 } catch (final UnsupportedDatabaseBackendException | SQLException ex) {
 579                         // End here
 580                         this.abortProgramWithException(ex);
 581                 }
 582
 583                 // Fill menu map
 584                 this.fillMenuMap();
 585
 586                 // Trace message
 587                 this.getLogger().trace("EXIT!"); //NOI18N
 588         }
 589
 590         /**
 591          * Displays textural message to the user
 592          *
 593          * @param message
 594          */
 595         @Override
 596         public void outputMessage (final String message) {
 597                 System.out.println(message);
 598         }
 599
 600         /**
 601          * Shows textural menu on console
 602          */
 603         @Override
 604         public void showCurrentMenu () {
 605                 this.showMenu(this.getCurrentMenu());
 606         }
 607
 608         /**
 609          * Shows given menu entry to user
 610          *
 611          * @param item Menu entry
 612          */
 613         @Override
 614         public void showEntry (final SelectableMenuItem item) {
 615                 // Access key then text
 616                 this.outputMessage(MessageFormat.format("[{0}] {1}", item.getAccessKey(), item.getText()));
 617         }
 618
 619         /**
 620          * Shows a textural message to the user
 621          */
 622         @Override
 623         public void showWelcome () {
 624                 this.outputMessage(MessageFormat.format("Welcome to {0}", AddressbookApplication.printableTitle()));
 625                 this.outputMessage("");
 626                 this.outputMessage("Copyright(c) 2015 by Roland Haeder, this is free software");
 627
 628                 // Debug message
 629                 this.getLogger().debug("Intro shown to user"); //NOI18N
 630         }
 631
 632         @Override
 633         public void userChooseChangeContactData (final Contact contact) throws UnhandledUserChoiceException {
 634                 // Trace message
 635                 this.getLogger().trace(MessageFormat.format("contact={0} CALLED!", contact)); //NOI18N
 636
 637                 // Contact must not be null
 638                 if (null == contact) {
 639                         // Abort here
 640                         throw new NullPointerException("contact is null"); //NOI18N
 641                 }
 642
 643                 // Ask the user for editing [name], [a]ddress or [other] data
 644                 char choice = this.enterChar(new char[] {'n', 'a', 'o', 'x'}, "Welchen Daten möchten Sie ändern? (n=Namensdaten, a=Anschriftsdaten, o=Andere, x=Zurück zur Hauptauswahl) ");
 645
 646                 // Get manager and cast it
 647                 ManageableAddressbookContact manager = (ManageableAddressbookContact) this.getManager();
 648
 649                 // @TODO Get rid of this ugly switch block, too
 650                 switch (choice) {
 651                         case 'n': // Name data
 652                                 manager.doChangeNameData(contact);
 653                                 break;
 654
 655                         case 'a': // Address data
 656                                 manager.doChangeAddressData(contact);
 657                                 break;
 658
 659                         case 'o': // Other data
 660                                 manager.doChangeOtherData(contact);
 661                                 break;
 662
 663                         case 'x': // Exit this menu
 664                                 // Ignored as it should go back
 665                                 break;
 666
 667                         default:
 668                                 // @TODO throw own exception
 669                                 throw new UnhandledUserChoiceException(MessageFormat.format("Choice '{0}' not handled yet.", choice)); //NOI18N
 670                 }
 671
 672                 // Trace message
 673                 this.getLogger().trace("EXIT!"); //NOI18N
 674         }
 675
 676         /**
 677          * Reads one character
 678          *
 679          * @return A single character
 680          */
 681         private char readChar () {
 682                 // Read line
 683                 String input = this.readString();
 684
 685                 // Debug message
 686                 this.getLogger().debug(MessageFormat.format("input={0}", input)); //NOI18N
 687
 688                 // This must be only one character
 689                 if (input.length() != 1) {
 690                         // Return zero
 691                         return 0;
 692                 }
 693
 694                 // Get char from first (and only) position
 695                 return input.charAt(0);
 696         }
 697
 698         /**
 699          * Reads an integer (int) from user
 700          *
 701          * @return An integer number
 702          */
 703         private int readInt () {
 704                 // First read a string
 705                 String input = this.readString();
 706
 707                 // Debug message
 708                 this.getLogger().debug(MessageFormat.format("input={0}", input)); //NOI18N
 709
 710                 // Init number with invalid value
 711                 int num = -1;
 712
 713                 // Parse number, this can be risky
 714                 try {
 715                         num = Integer.parseInt(input);
 716                 } catch (final NumberFormatException e) {
 717                         this.outputMessage("Bitte geben Sie nur Zahlen ein!");
 718                         this.getLogger().warn(MessageFormat.format("No numbers-only entered. input={0},message={1}", input, e.getMessage())); //NOI18N
 719                 }
 720
 721                 // Trace message
 722                 this.getLogger().trace(MessageFormat.format("num={0} - EXIT!", num)); //NOI18N
 723
 724                 // Return read number
 725                 return num;
 726         }
 727
 728         /**
 729          * Reads a string from a scanner until RETURN is pressed
 730          *
 731          * @return Read string from scanner
 732          */
 733         private String readString () {
 734                 return this.scanner.nextLine();
 735         }
 736
 737         /**
 738          * Fills menu map with menu entries
 739          */
 740         @Override
 741         protected final void fillMenuMap () {
 742                 // Trace message
 743                 this.getLogger().trace("CALLED!"); //NOI18N
 744
 745                 // Initialize first (main) menu
 746                 Menu menu = new ConsoleMenu("main", this); //NOI18N
 747
 748                 // Add it
 749                 this.getMenus().put("main", menu); //NOI18N
 750
 751                 // Trace message
 752                 this.getLogger().trace("EXIT!"); //NOI18N
 753         }
 754 }