inc/classes/main/class_BaseFrameworkSystem.php

   1 <?php
   2 /**
   3  * The simulator system class is the super class of all other classes. This
   4  * class handles saving of games etc.
   5  *
   6  * @author              Roland Haeder <webmaster@ship-simu.org>
   7  * @version             0.0.0
   8  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 Core Developer Team
   9  * @license             GNU GPL 3.0 or any newer version
  10  * @link                http://www.ship-simu.org
  11  *
  12  * This program is free software: you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation, either version 3 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  24  */
  25 class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
  26         /**
  27          * Instance of a request class
  28          */
  29         private $requestInstance = null;
  30
  31         /**
  32          * Instance of a response class
  33          */
  34         private $responseInstance = null;
  35
  36         /**
  37          * Search criteria instance
  38          */
  39         private $searchInstance = null;
  40
  41         /**
  42          * Update criteria instance
  43          */
  44         private $updateInstance = null;
  45
  46         /**
  47          * The file I/O instance for the template loader
  48          */
  49         private $fileIoInstance = null;
  50
  51         /**
  52          * Resolver instance
  53          */
  54         private $resolverInstance = null;
  55
  56         /**
  57          * Template engine instance
  58          */
  59         private $templateInstance = null;
  60
  61         /**
  62          * Database result instance
  63          */
  64         private $resultInstance = null;
  65
  66         /**
  67          * Instance for user class
  68          */
  69         private $userInstance = null;
  70
  71         /**
  72          * A controller instance
  73          */
  74         private $controllerInstance = null;
  75
  76         /**
  77          * Instance of a RNG
  78          */
  79         private $rngInstance = null;
  80
  81         /**
  82          * Instance of an Iterator class
  83          */
  84         private $iteratorInstance = null;
  85
  86         /**
  87          * Instance of the list
  88          */
  89         private $listInstance = null;
  90
  91         /**
  92          * Instance of a menu
  93          */
  94         private $menuInstance = null;
  95
  96         /**
  97          * Instance of the image
  98          */
  99         private $imageInstance = null;
 100
 101         /**
 102          * Instance of the stacker
 103          */
 104         private $stackerInstance = null;
 105
 106         /**
 107          * The real class name
 108          */
 109         private $realClass      = 'BaseFrameworkSystem';
 110
 111         /**
 112          * Thousands seperator
 113          */
 114         private $thousands = '.'; // German
 115
 116         /**
 117          * Decimal seperator
 118          */
 119         private $decimals  = ','; // German
 120
 121         /***********************
 122          * Exception codes.... *
 123          ***********************/
 124         // @todo Try to clean these constants up
 125         const EXCEPTION_IS_NULL_POINTER              = 0x001;
 126         const EXCEPTION_IS_NO_OBJECT                 = 0x002;
 127         const EXCEPTION_IS_NO_ARRAY                  = 0x003;
 128         const EXCEPTION_MISSING_METHOD               = 0x004;
 129         const EXCEPTION_CLASSES_NOT_MATCHING         = 0x005;
 130         const EXCEPTION_INDEX_OUT_OF_BOUNDS          = 0x006;
 131         const EXCEPTION_DIMENSION_ARRAY_INVALID      = 0x007;
 132         const EXCEPTION_ITEM_NOT_TRADEABLE           = 0x008;
 133         const EXCEPTION_ITEM_NOT_IN_PRICE_LIST       = 0x009;
 134         const EXCEPTION_GENDER_IS_WRONG              = 0x00a;
 135         const EXCEPTION_BIRTH_DATE_IS_INVALID        = 0x00b;
 136         const EXCEPTION_EMPTY_STRUCTURES_ARRAY       = 0x00c;
 137         const EXCEPTION_HAS_ALREADY_PERSONELL_LIST   = 0x00d;
 138         const EXCEPTION_NOT_ENOUGTH_UNEMPLOYEES      = 0x00e;
 139         const EXCEPTION_TOTAL_PRICE_NOT_CALCULATED   = 0x00f;
 140         const EXCEPTION_HARBOR_HAS_NO_SHIPYARDS      = 0x010;
 141         const EXCEPTION_CONTRACT_PARTNER_INVALID     = 0x011;
 142         const EXCEPTION_CONTRACT_PARTNER_MISMATCH    = 0x012;
 143         const EXCEPTION_CONTRACT_ALREADY_SIGNED      = 0x013;
 144         const EXCEPTION_UNEXPECTED_EMPTY_STRING      = 0x014;
 145         const EXCEPTION_PATH_NOT_FOUND               = 0x015;
 146         const EXCEPTION_INVALID_PATH_NAME            = 0x016;
 147         const EXCEPTION_READ_PROTECED_PATH           = 0x017;
 148         const EXCEPTION_WRITE_PROTECED_PATH          = 0x018;
 149         const EXCEPTION_DIR_POINTER_INVALID          = 0x019;
 150         const EXCEPTION_FILE_POINTER_INVALID         = 0x01a;
 151         const EXCEPTION_INVALID_RESOURCE             = 0x01b;
 152         const EXCEPTION_UNEXPECTED_OBJECT            = 0x01c;
 153         const EXCEPTION_LIMIT_ELEMENT_IS_UNSUPPORTED = 0x01d;
 154         const EXCEPTION_GETTER_IS_MISSING            = 0x01e;
 155         const EXCEPTION_ARRAY_EXPECTED               = 0x01f;
 156         const EXCEPTION_ARRAY_HAS_INVALID_COUNT      = 0x020;
 157         const EXCEPTION_ID_IS_INVALID_FORMAT         = 0x021;
 158         const EXCEPTION_MD5_CHECKSUMS_MISMATCH       = 0x022;
 159         const EXCEPTION_UNEXPECTED_STRING_SIZE       = 0x023;
 160         const EXCEPTION_SIMULATOR_ID_INVALID         = 0x024;
 161         const EXCEPTION_MISMATCHING_COMPRESSORS      = 0x025;
 162         const EXCEPTION_CONTAINER_ITEM_IS_NULL       = 0x026;
 163         const EXCEPTION_ITEM_IS_NO_ARRAY             = 0x027;
 164         const EXCEPTION_CONTAINER_MAYBE_DAMAGED      = 0x028;
 165         const EXCEPTION_INVALID_STRING               = 0x029;
 166         const EXCEPTION_VARIABLE_NOT_SET             = 0x02a;
 167         const EXCEPTION_ATTRIBUTES_ARE_MISSING       = 0x02b;
 168         const EXCEPTION_ARRAY_ELEMENTS_MISSING       = 0x02c;
 169         const EXCEPTION_TEMPLATE_ENGINE_UNSUPPORTED  = 0x02d;
 170         const EXCEPTION_MISSING_LANGUAGE_HANDLER     = 0x02e;
 171         const EXCEPTION_MISSING_FILE_IO_HANDLER      = 0x02f;
 172         const EXCEPTION_MISSING_ELEMENT              = 0x030;
 173         const EXCEPTION_HEADERS_ALREADY_SENT         = 0x031;
 174         const EXCEPTION_DEFAULT_CONTROLLER_GONE      = 0x032;
 175         const EXCEPTION_CLASS_NOT_FOUND              = 0x033;
 176         const EXCEPTION_REQUIRED_INTERFACE_MISSING   = 0x034;
 177         const EXCEPTION_FATAL_ERROR                  = 0x035;
 178         const EXCEPTION_FILE_NOT_FOUND               = 0x036;
 179         const EXCEPTION_ASSERTION_FAILED             = 0x037;
 180         const EXCEPTION_FILE_CANNOT_BE_READ          = 0x038;
 181         const EXCEPTION_DATABASE_UPDATED_NOT_ALLOWED = 0x039;
 182         const EXCEPTION_FILTER_CHAIN_INTERCEPTED     = 0x040;
 183
 184         /**
 185          * Protected super constructor
 186          *
 187          * @param       $className      Name of the class
 188          * @return      void
 189          */
 190         protected function __construct ($className) {
 191                 // Set real class
 192                 $this->setRealClass($className);
 193
 194                 // Set configuration instance if no registry
 195                 if (!$this instanceof Register) {
 196                         // Because registries doesn't need to be configured
 197                         $this->setConfigInstance(FrameworkConfiguration::getInstance());
 198                 } // END - if
 199         }
 200
 201         /**
 202          * Destructor reached...
 203          *
 204          * @return      void
 205          * @todo        This is old code. Do we still need this old lost code?
 206          */
 207         public function __destruct() {
 208                 // Flush any updated entries to the database
 209                 $this->flushPendingUpdates();
 210
 211                 // Is this object already destroyed?
 212                 if ($this->__toString() != 'DestructedObject') {
 213                         // Destroy all informations about this class but keep some text about it alive
 214                         $this->setRealClass('DestructedObject');
 215                 } elseif ((defined('DEBUG_DESTRUCTOR')) && (is_object($this->getDebugInstance()))) {
 216                         // Already destructed object
 217                         $this->debugOutput(sprintf("[%s:] The object <span class=\"object_name\">%s</span> is already destroyed.",
 218                                 __CLASS__,
 219                                 $this->__toString()
 220                         ));
 221                 }
 222         }
 223
 224         /**
 225          * The call method where all non-implemented methods end up
 226          *
 227          * @return      void
 228          */
 229         public final function __call ($methodName, $args) {
 230                 // Implode all given arguments
 231                 $argsString = '';
 232                 if (empty($args)) {
 233                         // No arguments
 234                         $argsString = 'NULL';
 235                 } elseif (is_array($args)) {
 236                         // Some arguments are there
 237                         foreach ($args as $arg) {
 238                                 // Add the type
 239                                 $argsString .= $arg . ' (' . gettype($arg);
 240
 241                                 // Add length if type is string
 242                                 if (gettype($arg) == 'string') $argsString .= ', '.strlen($arg);
 243
 244                                 // Closing bracket
 245                                 $argsString .= '), ';
 246                         } // END - foreach
 247
 248                         // Remove last comma
 249                         if (substr($argsString, -2, 1) == ',') {
 250                                 $argsString = substr($argsString, 0, -2);
 251                         } // END - if
 252                 } else {
 253                         // Invalid arguments!
 254                         $argsString = '!INVALID:' . gettype($args) . '!';
 255                 }
 256
 257                 // Output stub message
 258                 $this->debugOutput(sprintf("[%s-&gt;%s] Stub! Args: %s",
 259                         $this->__toString(),
 260                         $methodName,
 261                         $argsString
 262                 ));
 263
 264                 // Return nothing
 265                 return null;
 266         }
 267
 268         /**
 269          * Setter for database result instance
 270          *
 271          * @param       $resultInstance         An instance of a database result class
 272          * @return      void
 273          * @todo        SearchableResult and UpdateableResult shall have a super interface to use here
 274          */
 275         protected final function setResultInstance (SearchableResult $resultInstance) {
 276                 $this->resultInstance =  $resultInstance;
 277         }
 278
 279         /**
 280          * Getter for database result instance
 281          *
 282          * @return      $resultInstance         An instance of a database result class
 283          */
 284         public final function getResultInstance () {
 285                 return $this->resultInstance;
 286         }
 287
 288         /**
 289          * Setter for template engine instances
 290          *
 291          * @param       $templateInstance       An instance of a template engine class
 292          * @return      void
 293          */
 294         protected final function setTemplateInstance (CompileableTemplate $templateInstance) {
 295                 $this->templateInstance = $templateInstance;
 296         }
 297
 298         /**
 299          * Getter for template engine instances
 300          *
 301          * @return      $templateInstance       An instance of a template engine class
 302          */
 303         protected final function getTemplateInstance () {
 304                 return $this->templateInstance;
 305         }
 306
 307         /**
 308          * Setter for search instance
 309          *
 310          * @param       $searchInstance         Searchable criteria instance
 311          * @return      void
 312          */
 313         public final function setSearchInstance (LocalSearchCriteria $searchInstance) {
 314                 $this->searchInstance = $searchInstance;
 315         }
 316
 317         /**
 318          * Getter for search instance
 319          *
 320          * @return      $searchInstance         Searchable criteria instance
 321          */
 322         public final function getSearchInstance () {
 323                 return $this->searchInstance;
 324         }
 325
 326         /**
 327          * Setter for update instance
 328          *
 329          * @param       $updateInstance         Searchable criteria instance
 330          * @return      void
 331          */
 332         public final function setUpdateInstance (LocalUpdateCriteria $updateInstance) {
 333                 $this->updateInstance = $updateInstance;
 334         }
 335
 336         /**
 337          * Getter for update instance
 338          *
 339          * @return      $updateInstance         Updateable criteria instance
 340          */
 341         public final function getUpdateInstance () {
 342                 return $this->updateInstance;
 343         }
 344
 345         /**
 346          * Setter for resolver instance
 347          *
 348          * @param       $resolverInstance               Instance of a command resolver class
 349          * @return      void
 350          */
 351         public final function setResolverInstance (Resolver $resolverInstance) {
 352                 $this->resolverInstance = $resolverInstance;
 353         }
 354
 355         /**
 356          * Getter for resolver instance
 357          *
 358          * @return      $resolverInstance               Instance of a command resolver class
 359          */
 360         public final function getResolverInstance () {
 361                 return $this->resolverInstance;
 362         }
 363
 364         /**
 365          * Setter for language instance
 366          *
 367          * @param       $configInstance         The configuration instance which shall
 368          *                                                              be FrameworkConfiguration
 369          * @return      void
 370          */
 371         public final function setConfigInstance (FrameworkConfiguration $configInstance) {
 372                 Registry::getRegistry()->addInstance('config', $configInstance);
 373         }
 374
 375         /**
 376          * Getter for configuration instance
 377          *
 378          * @return      $configInstance         Configuration instance
 379          */
 380         public final function getConfigInstance () {
 381                 $configInstance = Registry::getRegistry()->getInstance('config');
 382                 return $configInstance;
 383         }
 384
 385         /**
 386          * Setter for debug instance
 387          *
 388          * @param       $debugInstance  The instance for debug output class
 389          * @return      void
 390          */
 391         public final function setDebugInstance (DebugMiddleware $debugInstance) {
 392                 Registry::getRegistry()->addInstance('debug', $debugInstance);
 393         }
 394
 395         /**
 396          * Getter for debug instance
 397          *
 398          * @return      $debugInstance  Instance to class DebugConsoleOutput or DebugWebOutput
 399          */
 400         public final function getDebugInstance () {
 401                 // Get debug instance
 402                 $debugInstance = Registry::getRegistry()->getInstance('debug');
 403
 404                 // Return it
 405                 return $debugInstance;
 406         }
 407
 408         /**
 409          * Setter for web output instance
 410          *
 411          * @param               $webInstance    The instance for web output class
 412          * @return      void
 413          */
 414         public final function setWebOutputInstance (OutputStreamer $webInstance) {
 415                 Registry::getRegistry()->addInstance('web_output', $webInstance);
 416         }
 417
 418         /**
 419          * Getter for web output instance
 420          *
 421          * @return      $webOutputInstance - Instance to class WebOutput
 422          */
 423         public final function getWebOutputInstance () {
 424                 $webOutputInstance = Registry::getRegistry()->getInstance('web_output');
 425                 return $webOutputInstance;
 426         }
 427
 428         /**
 429          * Setter for database instance
 430          *
 431          * @param               $dbInstance     The instance for the database connection
 432          *                                      (forced DatabaseConnection)
 433          * @return      void
 434          */
 435         public final function setDatabaseInstance (DatabaseConnection $dbInstance) {
 436                 Registry::getRegistry()->addInstance('db_instance', $dbInstance);
 437         }
 438
 439         /**
 440          * Getter for database layer
 441          *
 442          * @return      $dbInstance     The database layer instance
 443          */
 444         public final function getDatabaseInstance () {
 445                 // Get instance
 446                 $dbInstance = Registry::getRegistry()->getInstance('db_instance');
 447
 448                 // Return instance
 449                 return $dbInstance;
 450         }
 451
 452         /**
 453          * Setter for compressor channel
 454          *
 455          * @param               $compressorInstance             An instance of CompressorChannel
 456          * @return      void
 457          */
 458         public final function setCompressorChannel (CompressorChannel $compressorInstance) {
 459                 Registry::getRegistry()->addInstance('compressor', $compressorInstance);
 460         }
 461
 462         /**
 463          * Getter for compressor channel
 464          *
 465          * @return      $compressorInstance             The compressor channel
 466          */
 467         public final function getCompressorChannel () {
 468                 $compressorInstance = Registry::getRegistry()->getInstance('compressor');
 469                 return $compressorInstance;
 470         }
 471
 472         /**
 473          * Protected getter for a manageable application helper class
 474          *
 475          * @return      $applicationInstance    An instance of a manageable application helper class
 476          */
 477         protected final function getApplicationInstance () {
 478                 $applicationInstance = Registry::getRegistry()->getInstance('application');
 479                 return $applicationInstance;
 480         }
 481
 482         /**
 483          * Setter for a manageable application helper class
 484          *
 485          * @param       $applicationInstance    An instance of a manageable application helper class
 486          * @return      void
 487          */
 488         public final function setApplicationInstance (ManageableApplication $applicationInstance) {
 489                 Registry::getRegistry()->addInstance('application', $applicationInstance);
 490         }
 491
 492         /**
 493          * Setter for request instance
 494          *
 495          * @param       $requestInstance        An instance of a Requestable class
 496          * @return      void
 497          */
 498         public final function setRequestInstance (Requestable $requestInstance) {
 499                 $this->requestInstance = $requestInstance;
 500         }
 501
 502         /**
 503          * Getter for request instance
 504          *
 505          * @return      $requestInstance        An instance of a Requestable class
 506          */
 507         public final function getRequestInstance () {
 508                 return $this->requestInstance;
 509         }
 510
 511         /**
 512          * Setter for response instance
 513          *
 514          * @param       $responseInstance       An instance of a Responseable class
 515          * @return      void
 516          */
 517         public final function setResponseInstance (Responseable $responseInstance) {
 518                 $this->responseInstance = $responseInstance;
 519         }
 520
 521         /**
 522          * Getter for response instance
 523          *
 524          * @return      $responseInstance       An instance of a Responseable class
 525          */
 526         public final function getResponseInstance () {
 527                 return $this->responseInstance;
 528         }
 529
 530         /**
 531          * Getter for $realClass
 532          *
 533          * @return      $realClass The name of the real class (not BaseFrameworkSystem)
 534          */
 535         public final function __toString () {
 536                 return $this->realClass;
 537         }
 538
 539         /**
 540          * Setter for the real class name
 541          *
 542          * @param               $realClass      Class name (string)
 543          * @return      void
 544          */
 545         public final function setRealClass ($realClass) {
 546                 // Cast to string
 547                 $realClass = (string) $realClass;
 548
 549                 // Set real class
 550                 $this->realClass = $realClass;
 551         }
 552
 553         /**
 554          * Checks wether an object equals this object. You should overwrite this
 555          * method to implement own equality checks
 556          *
 557          * @param       $objectInstance         An instance of a FrameworkInterface object
 558          * @return      $equals                         Wether both objects equals
 559          */
 560         public function equals (FrameworkInterface $objectInstance) {
 561                 // Now test it
 562                 $equals = ((
 563                         $this->__toString() == $objectInstance->__toString()
 564                 ) && (
 565                         $this->hashCode() == $objectInstance->hashCode()
 566                 ));
 567
 568                 // Return the result
 569                 return $result;
 570         }
 571
 572         /**
 573          * Formats computer generated price values into human-understandable formats
 574          * with thousand and decimal seperators.
 575          *
 576          * @param       $value          The in computer format value for a price
 577          * @param       $currency       The currency symbol (use HTML-valid characters!)
 578          * @param       $decNum         Number of decimals after commata
 579          * @return      $price          The for the current language formated price string
 580          * @throws      MissingDecimalsThousandsSeperatorException      If decimals or
 581          *                                                                                              thousands seperator
 582          *                                                                                              is missing
 583          */
 584         public function formatCurrency ($value, $currency = '&euro;', $decNum = 2) {
 585                 // Are all required attriutes set?
 586                 if ((!isset($this->decimals)) || (!isset($this->thousands))) {
 587                         // Throw an exception
 588                         throw new MissingDecimalsThousandsSeperatorException($this, self::EXCEPTION_ATTRIBUTES_ARE_MISSING);
 589                 }
 590
 591                 // Cast the number
 592                 $value = (float) $value;
 593
 594                 // Reformat the US number
 595                 $price = number_format($value, $decNum, $this->decimals, $this->thousands) . $currency;
 596
 597                 // Return as string...
 598                 return $price;
 599         }
 600
 601         /**
 602          * Private getter for language instance
 603          *
 604          * @return      $langInstance   An instance to the language sub-system
 605          */
 606         protected final function getLanguageInstance () {
 607                 $langInstance = Registry::getRegistry()->getInstance('language');
 608                 return $langInstance;
 609         }
 610
 611         /**
 612          * Setter for language instance
 613          *
 614          * @param       $langInstance   An instance to the language sub-system
 615          * @return      void
 616          * @see         LanguageSystem
 617          */
 618         public final function setLanguageInstance (ManageableLanguage $langInstance) {
 619                 Registry::getRegistry()->addInstance('language', $langInstance);
 620         }
 621
 622         /**
 623          * Appends a trailing slash to a string
 624          *
 625          * @param       $str            A string (maybe) without trailing slash
 626          * @return      $str            A string with an auto-appended trailing slash
 627          */
 628         public final function addMissingTrailingSlash ($str) {
 629                 // Is there a trailing slash?
 630                 if (substr($str, -1, 1) != '/') $str .= '/';
 631                 return $str;
 632         }
 633
 634         /**
 635          * Private getter for file IO instance
 636          *
 637          * @return      $fileIoInstance An instance to the file I/O sub-system
 638          */
 639         protected final function getFileIoInstance () {
 640                 return $this->fileIoInstance;
 641         }
 642
 643         /**
 644          * Setter for file I/O instance
 645          *
 646          * @param       $fileIoInstance An instance to the file I/O sub-system
 647          * @return      void
 648          */
 649         public final function setFileIoInstance (FileIoHandler $fileIoInstance) {
 650                 $this->fileIoInstance = $fileIoInstance;
 651         }
 652
 653         /**
 654          * Prepare the template engine (WebTemplateEngine by default) for a given
 655          * application helper instance (ApplicationHelper by default).
 656          *
 657          * @param               $appInstance                    An application helper instance or
 658          *                                                                              null if we shall use the default
 659          * @return              $templateInstance                               The template engine instance
 660          * @throws              NullPointerException    If the template engine could not
 661          *                                                                              be initialized
 662          * @throws              UnsupportedTemplateEngineException      If $templateInstance is an
 663          *                                                                              unsupported template engine
 664          * @throws              MissingLanguageHandlerException If the language sub-system
 665          *                                                                              is not yet initialized
 666          * @throws              NullPointerException    If the discovered application
 667          *                                                                              instance is still null
 668          */
 669         protected function prepareTemplateInstance (FrameworkInterface $appInstance=null) {
 670                 // Is the application instance set?
 671                 if (is_null($appInstance)) {
 672                         // Get the current instance
 673                         $appInstance = $this->getApplicationInstance();
 674
 675                         // Still null?
 676                         if (is_null($appInstance)) {
 677                                 // Thrown an exception
 678                                 throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
 679                         } // END - if
 680                 } // END - if
 681
 682                 // Are both instances set?
 683                 if ($appInstance->getLanguageInstance() === null) {
 684                         // Invalid language instance
 685                         throw new MissingLanguageHandlerException($appInstance, self::EXCEPTION_MISSING_LANGUAGE_HANDLER);
 686                 } elseif ($appInstance->getFileIoInstance() === null) {
 687                         // Invalid language instance
 688                         throw new MissingFileIoHandlerException($appInstance, self::EXCEPTION_MISSING_FILE_IO_HANDLER);
 689                 }
 690
 691                 // Initialize the template engine
 692                 $templateInstance = ObjectFactory::createObjectByConfiguredName('web_template_class', array($appInstance));
 693
 694                 // Return the prepared instance
 695                 return $templateInstance;
 696         }
 697
 698         /**
 699          * Debugs this instance by putting out it's full content
 700          *
 701          * @param       $message        Optional message to show in debug output
 702          * @return      void
 703          */
 704         public final function debugInstance ($message = '') {
 705                 // Restore the error handler to avoid trouble with missing array elements or undeclared variables
 706                 restore_error_handler();
 707
 708                 // Init content
 709                 $content = '';
 710
 711                 // Is a message set?
 712                 if (!empty($message)) {
 713                         // Construct message
 714                         $content = sprintf("<div class=\"debug_message\">Message: %s</div>\n", $message);
 715                 } // END - if
 716
 717                 // Generate the output
 718                 $content .= sprintf("<pre>%s</pre>",
 719                         trim(
 720                                 htmlentities(
 721                                         print_r($this, true)
 722                                 )
 723                         )
 724                 );
 725
 726                 // Output it
 727                 ApplicationEntryPoint::app_die(sprintf("<div class=\"debug_header\">%s debug output:</div><div class=\"debug_content\">%s</div>\nLoaded includes: <div class=\"debug_include_list\">%s</div>",
 728                         $this->__toString(),
 729                         $content,
 730                         ClassLoader::getInstance()->getPrintableIncludeList()
 731                 ));
 732         }
 733
 734         /**
 735          * Output a partial stub message for the caller method
 736          *
 737          * @param       $message        An optional message to display
 738          * @return      void
 739          */
 740         protected function partialStub ($message = '') {
 741                 // Get the backtrace
 742                 $backtrace = debug_backtrace();
 743
 744                 // Generate the class::method string
 745                 $methodName = 'UnknownClass-&gt;unknownMethod';
 746                 if ((isset($backtrace[1]['class'])) && (isset($backtrace[1]['function']))) {
 747                         $methodName = $backtrace[1]['class']."-&gt;".$backtrace[1]['function'];
 748                 } // END - if
 749
 750                 // Construct the full message
 751                 $stubMessage = sprintf("[%s:] Partial stub!",
 752                         $methodName
 753                 );
 754
 755                 // Is the extra message given?
 756                 if (!empty($message)) {
 757                         // Then add it as well
 758                         $stubMessage .= sprintf(" Message: <span id=\"stub_message\">%s</span>", $message);
 759                 } // END - if
 760
 761                 // Debug instance is there?
 762                 if (!is_null($this->getDebugInstance())) {
 763                         // Output stub message
 764                         $this->debugOutput($stubMessage);
 765                 } else {
 766                         // Trigger an error
 767                         trigger_error($stubMessage."<br />\n");
 768                 }
 769         }
 770
 771         /**
 772          * Outputs a debug backtrace and stops further script execution
 773          *
 774          * @return      void
 775          */
 776         public function debugBackTrace () {
 777                 // Sorry, there is no other way getting this nice backtrace
 778                 print("<pre>\n");
 779                 debug_print_backtrace();
 780                 print("</pre>");
 781                 exit();
 782         }
 783
 784         /**
 785          * Outputs a debug message wether to debug instance (should be set!) or dies with or pints the message
 786          *
 787          * @param       $message        Message we shall send out...
 788          * @param       $doPrint        Wether we shall print or die here which first is the default
 789          * @return      void
 790          */
 791         public function debugOutput ($message, $doPrint = true) {
 792                 // Get debug instance
 793                 $debugInstance = $this->getDebugInstance();
 794
 795                 // Is the debug instance there?
 796                 if (is_object($debugInstance)) {
 797                         // Use debug output handler
 798                         $debugInstance->output($message);
 799                         if ($doPrint === false) die(); // Die here if not printed
 800                 } else {
 801                         // Put directly out
 802                         if ($doPrint === true) {
 803                                 print($message);
 804                         } else {
 805                                 // DO NOT REWRITE THIS TO app_die() !!!
 806                                 die($message);
 807                         }
 808                 }
 809         }
 810
 811         /**
 812          * Converts e.g. a command from URL to a valid class by keeping out bad characters
 813          *
 814          * @param       $str            The string, what ever it is needs to be converted
 815          * @return      $className      Generated class name
 816          */
 817         public function convertToClassName ($str) {
 818                 // Init class name
 819                 $className = '';
 820
 821                 // Convert all dashes in underscores
 822                 $str = $this->convertDashesToUnderscores($str);
 823
 824                 // Now use that underscores to get classname parts for hungarian style
 825                 foreach (explode('_', $str) as $strPart) {
 826                         // Make the class name part lower case and first upper case
 827                         $className .= ucfirst(strtolower($strPart));
 828                 } // END - foreach
 829
 830                 // Return class name
 831                 return $className;
 832         }
 833
 834         /**
 835          * Converts dashes to underscores, e.g. useable for configuration entries
 836          *
 837          * @param       $str    The string with maybe dashes inside
 838          * @return      $str    The converted string with no dashed, but underscores
 839          */
 840         public final function convertDashesToUnderscores ($str) {
 841                 // Convert them all
 842                 $str = str_replace('-', '_', $str);
 843
 844                 // Return converted string
 845                 return $str;
 846         }
 847
 848         /**
 849          * Marks up the code by adding e.g. line numbers
 850          *
 851          * @param       $phpCode                Unmarked PHP code
 852          * @return      $markedCode             Marked PHP code
 853          */
 854         public function markupCode ($phpCode) {
 855                 // Init marked code
 856                 $markedCode = '';
 857
 858                 // Get last error
 859                 $errorArray = error_get_last();
 860
 861                 // Init the code with error message
 862                 if (is_array($errorArray)) {
 863                         // Get error infos
 864                         $markedCode = sprintf("<div id=\"error_header\">File: <span id=\"error_data\">%s</span>, Line: <span id=\"error_data\">%s</span>, Message: <span id=\"error_data\">%s</span>, Type: <span id=\"error_data\">%s</span></div>",
 865                                 basename($errorArray['file']),
 866                                 $errorArray['line'],
 867                                 $errorArray['message'],
 868                                 $errorArray['type']
 869                         );
 870                 } // END - if
 871
 872                 // Add line number to the code
 873                 foreach (explode("\n", $phpCode) as $lineNo => $code) {
 874                         // Add line numbers
 875                         $markedCode .= sprintf("<span id=\"code_line\">%s</span>: %s\n",
 876                                 ($lineNo + 1),
 877                                 htmlentities($code, ENT_QUOTES)
 878                         );
 879                 } // END - foreach
 880
 881                 // Return the code
 882                 return $markedCode;
 883         }
 884
 885         /**
 886          * Filter a given GMT timestamp (non Uni* stamp!) to make it look more
 887          * beatiful for web-based front-ends. If null is given a message id
 888          * null_timestamp will be resolved and returned.
 889          *
 890          * @param       $timestamp      Timestamp to prepare (filter) for display
 891          * @return      $readable       A readable timestamp
 892          */
 893         public function doFilterFormatTimestamp ($timestamp) {
 894                 // Default value to return
 895                 $readable = '???';
 896
 897                 // Is the timestamp null?
 898                 if (is_null($timestamp)) {
 899                         // Get a message string
 900                         $readable = $this->getLanguageInstance()->getMessage('null_timestamp');
 901                 } else {
 902                         switch ($this->getLanguageInstance()->getLanguageCode()) {
 903                                 case 'de': // German format is a bit different to default
 904                                         // Split the GMT stamp up
 905                                         $dateTime  = explode(' ', $timestamp  );
 906                                         $dateArray = explode('-', $dateTime[0]);
 907                                         $timeArray = explode(':', $dateTime[1]);
 908
 909                                         // Construct the timestamp
 910                                         $readable = sprintf($this->getConfigInstance()->getConfigEntry('german_date_time'),
 911                                                 $dateArray[0],
 912                                                 $dateArray[1],
 913                                                 $dateArray[2],
 914                                                 $timeArray[0],
 915                                                 $timeArray[1],
 916                                                 $timeArray[2]
 917                                         );
 918                                         break;
 919
 920                                 default: // Default is pass-through
 921                                         $readable = $timestamp;
 922                                         break;
 923                         } // END - switch
 924                 }
 925
 926                 // Return the stamp
 927                 return $readable;
 928         }
 929
 930         /**
 931          * Filter a given number into a localized number
 932          *
 933          * @param       $value          The raw value from e.g. database
 934          * @return      $localized      Localized value
 935          */
 936         public function doFilterFormatNumber ($value) {
 937                 // Generate it from config and localize dependencies
 938                 switch ($this->getLanguageInstance()->getLanguageCode()) {
 939                         case 'de': // German format is a bit different to default
 940                                 $localized = number_format($value, $this->getConfigInstance()->getConfigEntry('decimals'), ',', '.');
 941                                 break;
 942
 943                         default: // US, etc.
 944                                 $localized = number_format($value, $this->getConfigInstance()->getConfigEntry('decimals'), '.', ',');
 945                                 break;
 946                 } // END - switch
 947
 948                 // Return it
 949                 return $localized;
 950         }
 951
 952         /**
 953          * "Getter" for databse entry
 954          *
 955          * @return      $entry  An array with database entries
 956          * @throws      NullPointerException    If the database result is not found
 957          * @throws      InvalidDatabaseResultException  If the database result is invalid
 958          */
 959         protected final function getDatabaseEntry () {
 960                 // Is there an instance?
 961                 if (is_null($this->getResultInstance())) {
 962                         // Throw an exception here
 963                         throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
 964                 } // END - if
 965
 966                 // Rewind it
 967                 $this->getResultInstance()->rewind();
 968
 969                 // Do we have an entry?
 970                 if ($this->getResultInstance()->valid() === false) {
 971                         throw new InvalidDatabaseResultException(array($this, $this->getResultInstance()), DatabaseResult::EXCEPTION_INVALID_DATABASE_RESULT);
 972                 } // END - if
 973
 974                 // Get next entry
 975                 $this->getResultInstance()->next();
 976
 977                 // Fetch it
 978                 $entry = $this->getResultInstance()->current();
 979
 980                 // And return it
 981                 return $entry;
 982         }
 983
 984         /**
 985          * Getter for field name
 986          *
 987          * @param       $fieldName              Field name which we shall get
 988          * @return      $fieldValue             Field value from the user
 989          * @throws      NullPointerException    If the result instance is null
 990          */
 991         public final function getField ($fieldName) {
 992                 // Default field value
 993                 $fieldValue = null;
 994
 995                 // Get result instance
 996                 $resultInstance = $this->getResultInstance();
 997
 998                 // Is this instance null?
 999                 if (is_null($resultInstance)) {
1000                         // Then the user instance is no longer valid (expired cookies?)
1001                         throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
1002                 } // END - if
1003
1004                 // Get current array
1005                 $fieldArray = $resultInstance->current();
1006                 //* DEBUG: */ $this->debugOutput($fieldName.':<pre>'.print_r($fieldArray, true).'</pre>');
1007
1008                 // Does the field exist?
1009                 if (isset($fieldArray[$fieldName])) {
1010                         // Get it
1011                         $fieldValue = $fieldArray[$fieldName];
1012                 } // END - if
1013
1014                 // Return it
1015                 return $fieldValue;
1016         }
1017
1018         /**
1019          * Protected setter for user instance
1020          *
1021          * @param       $userInstance   An instance of a user class
1022          * @return      void
1023          */
1024         protected final function setUserInstance (ManageableAccount $userInstance) {
1025                 $this->userInstance = $userInstance;
1026         }
1027
1028         /**
1029          * Getter for user instance
1030          *
1031          * @return      $userInstance   An instance of a user class
1032          */
1033         public final function getUserInstance () {
1034                 return $this->userInstance;
1035         }
1036
1037         /**
1038          * Setter for controller instance (this surely breaks a bit the MVC patterm)
1039          *
1040          * @param       $controllerInstance             An instance of the controller
1041          * @return      void
1042          */
1043         public final function setControllerInstance (Controller $controllerInstance) {
1044                 $this->controllerInstance = $controllerInstance;
1045         }
1046
1047         /**
1048          * Getter for controller instance (this surely breaks a bit the MVC patterm)
1049          *
1050          * @return      $controllerInstance             An instance of the controller
1051          */
1052         public final function getControllerInstance () {
1053                 return $this->controllerInstance;
1054         }
1055
1056         /**
1057          * Flushs all pending updates to the database layer
1058          *
1059          * @return      void
1060          */
1061         public function flushPendingUpdates () {
1062                 // Get result instance
1063                 $resultInstance = $this->getResultInstance();
1064
1065                 // Do we have data to update?
1066                 if ((is_object($resultInstance)) && ($resultInstance->ifDataNeedsFlush())) {
1067                         // Get wrapper class name config entry
1068                         $configEntry = $resultInstance->getUpdateInstance()->getWrapperConfigEntry();
1069
1070                         // Create object instance
1071                         $wrapperInstance = ObjectFactory::createObjectByConfiguredName($configEntry);
1072
1073                         // Yes, then send the whole result to the database layer
1074                         $wrapperInstance->doUpdateByResult($this->getResultInstance());
1075                 } // END - if
1076         }
1077
1078         /**
1079          * Outputs a deprecation warning to the developer.
1080          *
1081          * @param       $message        The message we shall output to the developer
1082          * @return      void
1083          * @todo        Write a logging mechanism for productive mode
1084          */
1085         public function deprecationWarning ($message) {
1086                 // Is developer mode active?
1087                 if (defined('DEVELOPER')) {
1088                         // Debug instance is there?
1089                         if (!is_null($this->getDebugInstance())) {
1090                                 // Output stub message
1091                                 $this->debugOutput($message);
1092                         } else {
1093                                 // Trigger an error
1094                                 trigger_error($message."<br />\n");
1095                         }
1096                 } else {
1097                         // @TODO Finish this part!
1098                         $this->partialStub('Developer mode inactive. Message:' . $message);
1099                 }
1100         }
1101
1102         /**
1103          * Generates a generic hash code of this class. You should really overwrite
1104          * this method with your own hash code generator code. But keep KISS in mind.
1105          *
1106          * @return      $hashCode       A generic hash code respresenting this whole class
1107          */
1108         public function hashCode () {
1109                 // Simple hash code
1110                 return crc32($this->__toString());
1111         }
1112
1113         /**
1114          * Checks wether the given PHP extension is loaded
1115          *
1116          * @param       $phpExtension   The PHP extension we shall check
1117          * @return      $isLoaded       Wether the PHP extension is loaded
1118          */
1119         public final function isPhpExtensionLoaded ($phpExtension) {
1120                 // Is it loaded?
1121                 $isLoaded = in_array($phpExtension, get_loaded_extensions());
1122
1123                 // Return result
1124                 return $isLoaded;
1125         }
1126
1127         /**
1128          * Setter for RNG instance
1129          *
1130          * @param       $rngInstance    An instance of a random number generator (RNG)
1131          * @return      void
1132          */
1133         protected final function setRngInstance (RandomNumberGenerator $rngInstance) {
1134                 $this->rngInstance = $rngInstance;
1135         }
1136
1137         /**
1138          * Getter for RNG instance
1139          *
1140          * @return      $rngInstance    An instance of a random number generator (RNG)
1141          */
1142         public final function getRngInstance () {
1143                 return $this->rngInstance;
1144         }
1145
1146         /**
1147          * Setter for Iterator instance
1148          *
1149          * @param       $iteratorInstance       An instance of an Iterator
1150          * @return      void
1151          */
1152         protected final function setIteratorInstance (Iterator $iteratorInstance) {
1153                 $this->iteratorInstance = $iteratorInstance;
1154         }
1155
1156         /**
1157          * Getter for Iterator instance
1158          *
1159          * @return      $iteratorInstance       An instance of an Iterator
1160          */
1161         public final function getIteratorInstance () {
1162                 return $this->iteratorInstance;
1163         }
1164
1165         /**
1166          * "Getter" as a time() replacement but with milliseconds. You should use this
1167          * method instead of the encapsulated getimeofday() function.
1168          *
1169          * @return      $milliTime      Timestamp with milliseconds
1170          */
1171         public function getMilliTime () {
1172                 // Get the time of day as float
1173                 $milliTime = gettimeofday(true);
1174
1175                 // Return it
1176                 return $milliTime;
1177         }
1178
1179         /**
1180          * Idles (sleeps) for given milliseconds
1181          *
1182          * @return      $hasSlept       Wether it goes fine
1183          */
1184         public function idle ($milliSeconds) {
1185                 // Sleep is fine by default
1186                 $hasSlept = true;
1187
1188                 // Idle so long with found function
1189                 if (function_exists('time_sleep_until')) {
1190                         // Get current time and add idle time
1191                         $sleepUntil = $this->getMilliTime() + abs($milliSeconds) / 1000;
1192
1193                         // New PHP 5.1.0 function found
1194                         $hasSlept = time_sleep_until($sleepUntil);
1195                 } else {
1196                         // My Sun Station doesn't have that function even with latest PHP
1197                         // package. :(
1198                         usleep($milliSeconds * 1000);
1199                 }
1200
1201                 // Return result
1202                 return $hasSlept;
1203         }
1204
1205         /**
1206          * Setter for the list instance
1207          *
1208          * @param       $listInstance   A list of Listable
1209          * @return      void
1210          */
1211         protected final function setListInstance (Listable $listInstance) {
1212                 $this->listInstance = $listInstance;
1213         }
1214
1215         /**
1216          * Getter for the list instance
1217          *
1218          * @return      $listInstance   A list of Listable
1219          */
1220         protected final function getListInstance () {
1221                 return $this->listInstance;
1222         }
1223
1224         /**
1225          * Setter for the menu instance
1226          *
1227          * @param       $menuInstance   A RenderableMenu instance
1228          * @return      void
1229          */
1230         protected final function setMenuInstance (RenderableMenu $menuInstance) {
1231                 $this->menuInstance = $menuInstance;
1232         }
1233
1234         /**
1235          * Getter for the menu instance
1236          *
1237          * @return      $menuInstance   A RenderableMenu instance
1238          */
1239         protected final function getMenuInstance () {
1240                 return $this->menuInstance;
1241         }
1242
1243         /**
1244          * Setter for image instanxe
1245          *
1246          * @param       $imageInstance  An instance of an image
1247          * @return      void
1248          */
1249         public final function setImageInstance (BaseImage $imageInstance) {
1250                 $this->imageInstance = $imageInstance;
1251         }
1252
1253         /**
1254          * Getter for image instanxe
1255          *
1256          * @return      $imageInstance  An instance of an image
1257          */
1258         public final function getImageInstance () {
1259                 return $this->imageInstance;
1260         }
1261
1262         /**
1263          * Setter for stacker instanxe
1264          *
1265          * @param       $stackerInstance        An instance of an stacker
1266          * @return      void
1267          */
1268         public final function setStackerInstance (Stackable $stackerInstance) {
1269                 $this->stackerInstance = $stackerInstance;
1270         }
1271
1272         /**
1273          * Getter for stacker instanxe
1274          *
1275          * @return      $stackerInstance        An instance of an stacker
1276          */
1277         public final function getStackerInstance () {
1278                 return $this->stackerInstance;
1279         }
1280 }
1281
1282 // [EOF]
1283 ?>