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, 2010 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          * A Compressor instance
 108          */
 109         private $compressorInstance = null;
 110
 111         /**
 112          * A Parseable instance
 113          */
 114         private $parserInstance = null;
 115
 116         /**
 117          * A ProtocolHandler instance
 118          */
 119         private $protocolInstance = null;
 120
 121         /**
 122          * A database wrapper instance
 123          */
 124         private $databaseInstance = null;
 125
 126         /**
 127          * The real class name
 128          */
 129         private $realClass = 'BaseFrameworkSystem';
 130
 131         /**
 132          * Thousands seperator
 133          */
 134         private $thousands = '.'; // German
 135
 136         /**
 137          * Decimal seperator
 138          */
 139         private $decimals  = ','; // German
 140
 141         /**
 142          * Socket resource
 143          */
 144         private $socketResource = false;
 145
 146         /**
 147          * Package data
 148          */
 149         private $packageData = array();
 150
 151         /***********************
 152          * Exception codes.... *
 153          ***********************/
 154         // @todo Try to clean these constants up
 155         const EXCEPTION_IS_NULL_POINTER              = 0x001;
 156         const EXCEPTION_IS_NO_OBJECT                 = 0x002;
 157         const EXCEPTION_IS_NO_ARRAY                  = 0x003;
 158         const EXCEPTION_MISSING_METHOD               = 0x004;
 159         const EXCEPTION_CLASSES_NOT_MATCHING         = 0x005;
 160         const EXCEPTION_INDEX_OUT_OF_BOUNDS          = 0x006;
 161         const EXCEPTION_DIMENSION_ARRAY_INVALID      = 0x007;
 162         const EXCEPTION_ITEM_NOT_TRADEABLE           = 0x008;
 163         const EXCEPTION_ITEM_NOT_IN_PRICE_LIST       = 0x009;
 164         const EXCEPTION_GENDER_IS_WRONG              = 0x00a;
 165         const EXCEPTION_BIRTH_DATE_IS_INVALID        = 0x00b;
 166         const EXCEPTION_EMPTY_STRUCTURES_ARRAY       = 0x00c;
 167         const EXCEPTION_HAS_ALREADY_PERSONELL_LIST   = 0x00d;
 168         const EXCEPTION_NOT_ENOUGTH_UNEMPLOYEES      = 0x00e;
 169         const EXCEPTION_TOTAL_PRICE_NOT_CALCULATED   = 0x00f;
 170         const EXCEPTION_HARBOR_HAS_NO_SHIPYARDS      = 0x010;
 171         const EXCEPTION_CONTRACT_PARTNER_INVALID     = 0x011;
 172         const EXCEPTION_CONTRACT_PARTNER_MISMATCH    = 0x012;
 173         const EXCEPTION_CONTRACT_ALREADY_SIGNED      = 0x013;
 174         const EXCEPTION_UNEXPECTED_EMPTY_STRING      = 0x014;
 175         const EXCEPTION_PATH_NOT_FOUND               = 0x015;
 176         const EXCEPTION_INVALID_PATH_NAME            = 0x016;
 177         const EXCEPTION_READ_PROTECED_PATH           = 0x017;
 178         const EXCEPTION_WRITE_PROTECED_PATH          = 0x018;
 179         const EXCEPTION_DIR_POINTER_INVALID          = 0x019;
 180         const EXCEPTION_FILE_POINTER_INVALID         = 0x01a;
 181         const EXCEPTION_INVALID_RESOURCE             = 0x01b;
 182         const EXCEPTION_UNEXPECTED_OBJECT            = 0x01c;
 183         const EXCEPTION_LIMIT_ELEMENT_IS_UNSUPPORTED = 0x01d;
 184         const EXCEPTION_GETTER_IS_MISSING            = 0x01e;
 185         const EXCEPTION_ARRAY_EXPECTED               = 0x01f;
 186         const EXCEPTION_ARRAY_HAS_INVALID_COUNT      = 0x020;
 187         const EXCEPTION_ID_IS_INVALID_FORMAT         = 0x021;
 188         const EXCEPTION_MD5_CHECKSUMS_MISMATCH       = 0x022;
 189         const EXCEPTION_UNEXPECTED_STRING_SIZE       = 0x023;
 190         const EXCEPTION_SIMULATOR_ID_INVALID         = 0x024;
 191         const EXCEPTION_MISMATCHING_COMPRESSORS      = 0x025;
 192         const EXCEPTION_CONTAINER_ITEM_IS_NULL       = 0x026;
 193         const EXCEPTION_ITEM_IS_NO_ARRAY             = 0x027;
 194         const EXCEPTION_CONTAINER_MAYBE_DAMAGED      = 0x028;
 195         const EXCEPTION_INVALID_STRING               = 0x029;
 196         const EXCEPTION_VARIABLE_NOT_SET             = 0x02a;
 197         const EXCEPTION_ATTRIBUTES_ARE_MISSING       = 0x02b;
 198         const EXCEPTION_ARRAY_ELEMENTS_MISSING       = 0x02c;
 199         const EXCEPTION_TEMPLATE_ENGINE_UNSUPPORTED  = 0x02d;
 200         const EXCEPTION_MISSING_LANGUAGE_HANDLER     = 0x02e;
 201         const EXCEPTION_MISSING_FILE_IO_HANDLER      = 0x02f;
 202         const EXCEPTION_MISSING_ELEMENT              = 0x030;
 203         const EXCEPTION_HEADERS_ALREADY_SENT         = 0x031;
 204         const EXCEPTION_DEFAULT_CONTROLLER_GONE      = 0x032;
 205         const EXCEPTION_CLASS_NOT_FOUND              = 0x033;
 206         const EXCEPTION_REQUIRED_INTERFACE_MISSING   = 0x034;
 207         const EXCEPTION_FATAL_ERROR                  = 0x035;
 208         const EXCEPTION_FILE_NOT_FOUND               = 0x036;
 209         const EXCEPTION_ASSERTION_FAILED             = 0x037;
 210         const EXCEPTION_FILE_CANNOT_BE_READ          = 0x038;
 211         const EXCEPTION_DATABASE_UPDATED_NOT_ALLOWED = 0x039;
 212         const EXCEPTION_FILTER_CHAIN_INTERCEPTED     = 0x040;
 213
 214         /**
 215          * Protected super constructor
 216          *
 217          * @param       $className      Name of the class
 218          * @return      void
 219          */
 220         protected function __construct ($className) {
 221                 // Set real class
 222                 $this->setRealClass($className);
 223
 224                 // Set configuration instance if no registry
 225                 if (!$this instanceof Register) {
 226                         // Because registries doesn't need to be configured
 227                         $this->setConfigInstance(FrameworkConfiguration::getInstance());
 228                 } // END - if
 229         }
 230
 231         /**
 232          * Destructor reached...
 233          *
 234          * @return      void
 235          * @todo        This is old code. Do we still need this old lost code?
 236          */
 237         public function __destruct() {
 238                 // Flush any updated entries to the database
 239                 $this->flushPendingUpdates();
 240
 241                 // Is this object already destroyed?
 242                 if ($this->__toString() != 'DestructedObject') {
 243                         // Destroy all informations about this class but keep some text about it alive
 244                         $this->setRealClass('DestructedObject');
 245                 } elseif ((defined('DEBUG_DESTRUCTOR')) && (is_object($this->getDebugInstance()))) {
 246                         // Already destructed object
 247                         $this->debugOutput(sprintf("[%s:] The object <span class=\"object_name\">%s</span> is already destroyed.",
 248                                 __CLASS__,
 249                                 $this->__toString()
 250                         ));
 251                 }
 252         }
 253
 254         /**
 255          * The call method where all non-implemented methods end up
 256          *
 257          * @return      void
 258          */
 259         public final function __call ($methodName, $args) {
 260                 // Implode all given arguments
 261                 $argsString = '';
 262                 if (empty($args)) {
 263                         // No arguments
 264                         $argsString = 'NULL';
 265                 } elseif (is_array($args)) {
 266                         // Some arguments are there
 267                         foreach ($args as $arg) {
 268                                 // Add the type
 269                                 $argsString .= $this->replaceControlCharacters($arg) . ' (' . gettype($arg);
 270
 271                                 // Add length if type is string
 272                                 if (gettype($arg) == 'string') $argsString .= ', '.strlen($arg);
 273
 274                                 // Closing bracket
 275                                 $argsString .= '), ';
 276                         } // END - foreach
 277
 278                         // Remove last comma
 279                         if (substr($argsString, -2, 1) == ',') {
 280                                 $argsString = substr($argsString, 0, -2);
 281                         } // END - if
 282                 } else {
 283                         // Invalid arguments!
 284                         $argsString = '!INVALID:' . gettype($args) . '!';
 285                 }
 286
 287                 // Output stub message
 288                 $this->debugOutput(sprintf("[%s-&gt;%s] Stub! Args: %s",
 289                         $this->__toString(),
 290                         $methodName,
 291                         $argsString
 292                 ));
 293
 294                 // Return nothing
 295                 return null;
 296         }
 297
 298         /**
 299          * Setter for database result instance
 300          *
 301          * @param       $resultInstance         An instance of a database result class
 302          * @return      void
 303          * @todo        SearchableResult and UpdateableResult shall have a super interface to use here
 304          */
 305         protected final function setResultInstance (SearchableResult $resultInstance) {
 306                 $this->resultInstance =  $resultInstance;
 307         }
 308
 309         /**
 310          * Getter for database result instance
 311          *
 312          * @return      $resultInstance         An instance of a database result class
 313          */
 314         public final function getResultInstance () {
 315                 return $this->resultInstance;
 316         }
 317
 318         /**
 319          * Setter for template engine instances
 320          *
 321          * @param       $templateInstance       An instance of a template engine class
 322          * @return      void
 323          */
 324         protected final function setTemplateInstance (CompileableTemplate $templateInstance) {
 325                 $this->templateInstance = $templateInstance;
 326         }
 327
 328         /**
 329          * Getter for template engine instances
 330          *
 331          * @return      $templateInstance       An instance of a template engine class
 332          */
 333         protected final function getTemplateInstance () {
 334                 return $this->templateInstance;
 335         }
 336
 337         /**
 338          * Setter for search instance
 339          *
 340          * @param       $searchInstance         Searchable criteria instance
 341          * @return      void
 342          */
 343         public final function setSearchInstance (LocalSearchCriteria $searchInstance) {
 344                 $this->searchInstance = $searchInstance;
 345         }
 346
 347         /**
 348          * Getter for search instance
 349          *
 350          * @return      $searchInstance         Searchable criteria instance
 351          */
 352         public final function getSearchInstance () {
 353                 return $this->searchInstance;
 354         }
 355
 356         /**
 357          * Setter for update instance
 358          *
 359          * @param       $updateInstance         Searchable criteria instance
 360          * @return      void
 361          */
 362         public final function setUpdateInstance (LocalUpdateCriteria $updateInstance) {
 363                 $this->updateInstance = $updateInstance;
 364         }
 365
 366         /**
 367          * Getter for update instance
 368          *
 369          * @return      $updateInstance         Updateable criteria instance
 370          */
 371         public final function getUpdateInstance () {
 372                 return $this->updateInstance;
 373         }
 374
 375         /**
 376          * Setter for resolver instance
 377          *
 378          * @param       $resolverInstance       Instance of a command resolver class
 379          * @return      void
 380          */
 381         public final function setResolverInstance (Resolver $resolverInstance) {
 382                 $this->resolverInstance = $resolverInstance;
 383         }
 384
 385         /**
 386          * Getter for resolver instance
 387          *
 388          * @return      $resolverInstance       Instance of a command resolver class
 389          */
 390         public final function getResolverInstance () {
 391                 return $this->resolverInstance;
 392         }
 393
 394         /**
 395          * Setter for language instance
 396          *
 397          * @param       $configInstance         The configuration instance which shall
 398          *                                                              be FrameworkConfiguration
 399          * @return      void
 400          */
 401         public final function setConfigInstance (FrameworkConfiguration $configInstance) {
 402                 Registry::getRegistry()->addInstance('config', $configInstance);
 403         }
 404
 405         /**
 406          * Getter for configuration instance
 407          *
 408          * @return      $configInstance         Configuration instance
 409          */
 410         public final function getConfigInstance () {
 411                 $configInstance = Registry::getRegistry()->getInstance('config');
 412                 return $configInstance;
 413         }
 414
 415         /**
 416          * Setter for debug instance
 417          *
 418          * @param       $debugInstance  The instance for debug output class
 419          * @return      void
 420          */
 421         public final function setDebugInstance (DebugMiddleware $debugInstance) {
 422                 Registry::getRegistry()->addInstance('debug', $debugInstance);
 423         }
 424
 425         /**
 426          * Getter for debug instance
 427          *
 428          * @return      $debugInstance  Instance to class DebugConsoleOutput or DebugWebOutput
 429          */
 430         public final function getDebugInstance () {
 431                 // Get debug instance
 432                 $debugInstance = Registry::getRegistry()->getInstance('debug');
 433
 434                 // Return it
 435                 return $debugInstance;
 436         }
 437
 438         /**
 439          * Setter for web output instance
 440          *
 441          * @param               $webInstance    The instance for web output class
 442          * @return      void
 443          */
 444         public final function setWebOutputInstance (OutputStreamer $webInstance) {
 445                 Registry::getRegistry()->addInstance('web_output', $webInstance);
 446         }
 447
 448         /**
 449          * Getter for web output instance
 450          *
 451          * @return      $webOutputInstance - Instance to class WebOutput
 452          */
 453         public final function getWebOutputInstance () {
 454                 $webOutputInstance = Registry::getRegistry()->getInstance('web_output');
 455                 return $webOutputInstance;
 456         }
 457
 458         /**
 459          * Setter for database instance
 460          *
 461          * @param               $dbInstance     The instance for the database connection (forced DatabaseConnection)
 462          * @return      void
 463          */
 464         public final function setDatabaseInstance (DatabaseConnection $dbInstance) {
 465                 Registry::getRegistry()->addInstance('db_instance', $dbInstance);
 466         }
 467
 468         /**
 469          * Getter for database layer
 470          *
 471          * @return      $dbInstance     The database layer instance
 472          */
 473         public final function getDatabaseInstance () {
 474                 // Get instance
 475                 $dbInstance = Registry::getRegistry()->getInstance('db_instance');
 476
 477                 // Return instance
 478                 return $dbInstance;
 479         }
 480
 481         /**
 482          * Setter for compressor channel
 483          *
 484          * @param               $compressorInstance             An instance of CompressorChannel
 485          * @return      void
 486          */
 487         public final function setCompressorChannel (CompressorChannel $compressorInstance) {
 488                 Registry::getRegistry()->addInstance('compressor', $compressorInstance);
 489         }
 490
 491         /**
 492          * Getter for compressor channel
 493          *
 494          * @return      $compressorInstance             The compressor channel
 495          */
 496         public final function getCompressorChannel () {
 497                 $compressorInstance = Registry::getRegistry()->getInstance('compressor');
 498                 return $compressorInstance;
 499         }
 500
 501         /**
 502          * Protected getter for a manageable application helper class
 503          *
 504          * @return      $applicationInstance    An instance of a manageable application helper class
 505          */
 506         protected final function getApplicationInstance () {
 507                 $applicationInstance = Registry::getRegistry()->getInstance('application');
 508                 return $applicationInstance;
 509         }
 510
 511         /**
 512          * Setter for a manageable application helper class
 513          *
 514          * @param       $applicationInstance    An instance of a manageable application helper class
 515          * @return      void
 516          */
 517         public final function setApplicationInstance (ManageableApplication $applicationInstance) {
 518                 Registry::getRegistry()->addInstance('application', $applicationInstance);
 519         }
 520
 521         /**
 522          * Setter for request instance
 523          *
 524          * @param       $requestInstance        An instance of a Requestable class
 525          * @return      void
 526          */
 527         public final function setRequestInstance (Requestable $requestInstance) {
 528                 $this->requestInstance = $requestInstance;
 529         }
 530
 531         /**
 532          * Getter for request instance
 533          *
 534          * @return      $requestInstance        An instance of a Requestable class
 535          */
 536         public final function getRequestInstance () {
 537                 return $this->requestInstance;
 538         }
 539
 540         /**
 541          * Setter for response instance
 542          *
 543          * @param       $responseInstance       An instance of a Responseable class
 544          * @return      void
 545          */
 546         public final function setResponseInstance (Responseable $responseInstance) {
 547                 $this->responseInstance = $responseInstance;
 548         }
 549
 550         /**
 551          * Getter for response instance
 552          *
 553          * @return      $responseInstance       An instance of a Responseable class
 554          */
 555         public final function getResponseInstance () {
 556                 return $this->responseInstance;
 557         }
 558
 559         /**
 560          * Getter for $realClass
 561          *
 562          * @return      $realClass The name of the real class (not BaseFrameworkSystem)
 563          */
 564         public function __toString () {
 565                 return $this->realClass;
 566         }
 567
 568         /**
 569          * Setter for the real class name
 570          *
 571          * @param               $realClass      Class name (string)
 572          * @return      void
 573          */
 574         public final function setRealClass ($realClass) {
 575                 // Cast to string
 576                 $realClass = (string) $realClass;
 577
 578                 // Set real class
 579                 $this->realClass = $realClass;
 580         }
 581
 582         /**
 583          * Checks wether an object equals this object. You should overwrite this
 584          * method to implement own equality checks
 585          *
 586          * @param       $objectInstance         An instance of a FrameworkInterface object
 587          * @return      $equals                         Wether both objects equals
 588          */
 589         public function equals (FrameworkInterface $objectInstance) {
 590                 // Now test it
 591                 $equals = ((
 592                         $this->__toString() == $objectInstance->__toString()
 593                 ) && (
 594                         $this->hashCode() == $objectInstance->hashCode()
 595                 ));
 596
 597                 // Return the result
 598                 return $equals;
 599         }
 600
 601         /**
 602          * Generates a generic hash code of this class. You should really overwrite
 603          * this method with your own hash code generator code. But keep KISS in mind.
 604          *
 605          * @return      $hashCode       A generic hash code respresenting this whole class
 606          */
 607         public function hashCode () {
 608                 // Simple hash code
 609                 return crc32($this->__toString());
 610         }
 611
 612         /**
 613          * Formats computer generated price values into human-understandable formats
 614          * with thousand and decimal seperators.
 615          *
 616          * @param       $value          The in computer format value for a price
 617          * @param       $currency       The currency symbol (use HTML-valid characters!)
 618          * @param       $decNum         Number of decimals after commata
 619          * @return      $price          The for the current language formated price string
 620          * @throws      MissingDecimalsThousandsSeperatorException      If decimals or
 621          *                                                                                              thousands seperator
 622          *                                                                                              is missing
 623          */
 624         public function formatCurrency ($value, $currency = '&euro;', $decNum = 2) {
 625                 // Are all required attriutes set?
 626                 if ((!isset($this->decimals)) || (!isset($this->thousands))) {
 627                         // Throw an exception
 628                         throw new MissingDecimalsThousandsSeperatorException($this, self::EXCEPTION_ATTRIBUTES_ARE_MISSING);
 629                 }
 630
 631                 // Cast the number
 632                 $value = (float) $value;
 633
 634                 // Reformat the US number
 635                 $price = number_format($value, $decNum, $this->decimals, $this->thousands) . $currency;
 636
 637                 // Return as string...
 638                 return $price;
 639         }
 640
 641         /**
 642          * Private getter for language instance
 643          *
 644          * @return      $langInstance   An instance to the language sub-system
 645          */
 646         protected final function getLanguageInstance () {
 647                 $langInstance = Registry::getRegistry()->getInstance('language');
 648                 return $langInstance;
 649         }
 650
 651         /**
 652          * Setter for language instance
 653          *
 654          * @param       $langInstance   An instance to the language sub-system
 655          * @return      void
 656          * @see         LanguageSystem
 657          */
 658         public final function setLanguageInstance (ManageableLanguage $langInstance) {
 659                 Registry::getRegistry()->addInstance('language', $langInstance);
 660         }
 661
 662         /**
 663          * Appends a trailing slash to a string
 664          *
 665          * @param       $str            A string (maybe) without trailing slash
 666          * @return      $str            A string with an auto-appended trailing slash
 667          */
 668         public final function addMissingTrailingSlash ($str) {
 669                 // Is there a trailing slash?
 670                 if (substr($str, -1, 1) != '/') $str .= '/';
 671                 return $str;
 672         }
 673
 674         /**
 675          * Private getter for file IO instance
 676          *
 677          * @return      $fileIoInstance An instance to the file I/O sub-system
 678          */
 679         protected final function getFileIoInstance () {
 680                 return $this->fileIoInstance;
 681         }
 682
 683         /**
 684          * Setter for file I/O instance
 685          *
 686          * @param       $fileIoInstance An instance to the file I/O sub-system
 687          * @return      void
 688          */
 689         public final function setFileIoInstance (FileIoHandler $fileIoInstance) {
 690                 $this->fileIoInstance = $fileIoInstance;
 691         }
 692
 693         /**
 694          * Prepare the template engine (WebTemplateEngine by default) for a given
 695          * application helper instance (ApplicationHelper by default).
 696          *
 697          * @param               $appInstance                    An application helper instance or
 698          *                                                                              null if we shall use the default
 699          * @return              $templateInstance                               The template engine instance
 700          * @throws              NullPointerException    If the template engine could not
 701          *                                                                              be initialized
 702          * @throws              UnsupportedTemplateEngineException      If $templateInstance is an
 703          *                                                                              unsupported template engine
 704          * @throws              MissingLanguageHandlerException If the language sub-system
 705          *                                                                              is not yet initialized
 706          * @throws              NullPointerException    If the discovered application
 707          *                                                                              instance is still null
 708          */
 709         protected function prepareTemplateInstance (FrameworkInterface $appInstance=null) {
 710                 // Is the application instance set?
 711                 if (is_null($appInstance)) {
 712                         // Get the current instance
 713                         $appInstance = $this->getApplicationInstance();
 714
 715                         // Still null?
 716                         if (is_null($appInstance)) {
 717                                 // Thrown an exception
 718                                 throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
 719                         } // END - if
 720                 } // END - if
 721
 722                 // Are both instances set?
 723                 if ($appInstance->getLanguageInstance() === null) {
 724                         // Invalid language instance
 725                         throw new MissingLanguageHandlerException($appInstance, self::EXCEPTION_MISSING_LANGUAGE_HANDLER);
 726                 } elseif ($appInstance->getFileIoInstance() === null) {
 727                         // Invalid language instance
 728                         throw new MissingFileIoHandlerException($appInstance, self::EXCEPTION_MISSING_FILE_IO_HANDLER);
 729                 }
 730
 731                 // Initialize the template engine
 732                 $templateInstance = ObjectFactory::createObjectByConfiguredName('web_template_class', array($appInstance));
 733
 734                 // Return the prepared instance
 735                 return $templateInstance;
 736         }
 737
 738         /**
 739          * Debugs this instance by putting out it's full content
 740          *
 741          * @param       $message        Optional message to show in debug output
 742          * @return      void
 743          */
 744         public final function debugInstance ($message = '') {
 745                 // Restore the error handler to avoid trouble with missing array elements or undeclared variables
 746                 restore_error_handler();
 747
 748                 // Init content
 749                 $content = '';
 750
 751                 // Is a message set?
 752                 if (!empty($message)) {
 753                         // Construct message
 754                         $content = sprintf("<div class=\"debug_message\">Message: %s</div>\n", $message);
 755                 } // END - if
 756
 757                 // Generate the output
 758                 $content .= sprintf("<pre>%s</pre>",
 759                         trim(
 760                                 htmlentities(
 761                                         print_r($this, true)
 762                                 )
 763                         )
 764                 );
 765
 766                 // Output it
 767                 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>",
 768                         $this->__toString(),
 769                         $content,
 770                         ClassLoader::getInstance()->getPrintableIncludeList()
 771                 ));
 772         }
 773
 774         /**
 775          * Replaces control characters with printable output
 776          *
 777          * @param       $str    String with control characters
 778          * @return      $str    Replaced string
 779          */
 780         protected function replaceControlCharacters ($str) {
 781                 // Replace them
 782                 $str = str_replace(
 783                         "\r", '[r]', str_replace(
 784                         "\n", '[n]', str_replace(
 785                         "\t", '[t]',
 786                         $str
 787                 )));
 788
 789                 // Return it
 790                 return $str;
 791         }
 792
 793         /**
 794          * Output a partial stub message for the caller method
 795          *
 796          * @param       $message        An optional message to display
 797          * @return      void
 798          */
 799         protected function partialStub ($message = '') {
 800                 // Get the backtrace
 801                 $backtrace = debug_backtrace();
 802
 803                 // Generate the class::method string
 804                 $methodName = 'UnknownClass-&gt;unknownMethod';
 805                 if ((isset($backtrace[1]['class'])) && (isset($backtrace[1]['function']))) {
 806                         $methodName = $backtrace[1]['class']."-&gt;".$backtrace[1]['function'];
 807                 } // END - if
 808
 809                 // Construct the full message
 810                 $stubMessage = sprintf("[%s:] Partial stub!",
 811                         $methodName
 812                 );
 813
 814                 // Is the extra message given?
 815                 if (!empty($message)) {
 816                         // Then add it as well
 817                         $stubMessage .= sprintf(" Message: <span id=\"stub_message\">%s</span>", $message);
 818                 } // END - if
 819
 820                 // Debug instance is there?
 821                 if (!is_null($this->getDebugInstance())) {
 822                         // Output stub message
 823                         $this->debugOutput($stubMessage);
 824                 } else {
 825                         // Trigger an error
 826                         trigger_error($stubMessage."<br />\n");
 827                 }
 828         }
 829
 830         /**
 831          * Outputs a debug backtrace and stops further script execution
 832          *
 833          * @return      void
 834          */
 835         public function debugBackTrace () {
 836                 // Sorry, there is no other way getting this nice backtrace
 837                 print("<pre>\n");
 838                 debug_print_backtrace();
 839                 print("</pre>");
 840                 exit();
 841         }
 842
 843         /**
 844          * Outputs a debug message wether to debug instance (should be set!) or dies with or pints the message
 845          *
 846          * @param       $message        Message we shall send out...
 847          * @param       $doPrint        Wether we shall print or die here which first is the default
 848          * @return      void
 849          */
 850         public function debugOutput ($message, $doPrint = true) {
 851                 // Get debug instance
 852                 $debugInstance = $this->getDebugInstance();
 853
 854                 // Is the debug instance there?
 855                 if (is_object($debugInstance)) {
 856                         // Use debug output handler
 857                         $debugInstance->output($message);
 858                         if ($doPrint === false) die(); // Die here if not printed
 859                 } else {
 860                         // Put directly out
 861                         if ($doPrint === true) {
 862                                 print($message);
 863                         } else {
 864                                 // DO NOT REWRITE THIS TO app_die() !!!
 865                                 die($message);
 866                         }
 867                 }
 868         }
 869
 870         /**
 871          * Converts e.g. a command from URL to a valid class by keeping out bad characters
 872          *
 873          * @param       $str            The string, what ever it is needs to be converted
 874          * @return      $className      Generated class name
 875          */
 876         public function convertToClassName ($str) {
 877                 // Init class name
 878                 $className = '';
 879
 880                 // Convert all dashes in underscores
 881                 $str = $this->convertDashesToUnderscores($str);
 882
 883                 // Now use that underscores to get classname parts for hungarian style
 884                 foreach (explode('_', $str) as $strPart) {
 885                         // Make the class name part lower case and first upper case
 886                         $className .= ucfirst(strtolower($strPart));
 887                 } // END - foreach
 888
 889                 // Return class name
 890                 return $className;
 891         }
 892
 893         /**
 894          * Converts dashes to underscores, e.g. useable for configuration entries
 895          *
 896          * @param       $str    The string with maybe dashes inside
 897          * @return      $str    The converted string with no dashed, but underscores
 898          */
 899         public final function convertDashesToUnderscores ($str) {
 900                 // Convert them all
 901                 $str = str_replace('-', '_', $str);
 902
 903                 // Return converted string
 904                 return $str;
 905         }
 906
 907         /**
 908          * Marks up the code by adding e.g. line numbers
 909          *
 910          * @param       $phpCode                Unmarked PHP code
 911          * @return      $markedCode             Marked PHP code
 912          */
 913         public function markupCode ($phpCode) {
 914                 // Init marked code
 915                 $markedCode = '';
 916
 917                 // Get last error
 918                 $errorArray = error_get_last();
 919
 920                 // Init the code with error message
 921                 if (is_array($errorArray)) {
 922                         // Get error infos
 923                         $markedCode = sprintf("<div id=\"error_header\">File: <span id=\"error_data\">%s</span>, Line: <span id=\"error_data\">%s</span>, Message: <span id=\"error_data\">%s</span>, Type: <span id=\"error_data\">%s</span></div>",
 924                                 basename($errorArray['file']),
 925                                 $errorArray['line'],
 926                                 $errorArray['message'],
 927                                 $errorArray['type']
 928                         );
 929                 } // END - if
 930
 931                 // Add line number to the code
 932                 foreach (explode("\n", $phpCode) as $lineNo => $code) {
 933                         // Add line numbers
 934                         $markedCode .= sprintf("<span id=\"code_line\">%s</span>: %s\n",
 935                                 ($lineNo + 1),
 936                                 htmlentities($code, ENT_QUOTES)
 937                         );
 938                 } // END - foreach
 939
 940                 // Return the code
 941                 return $markedCode;
 942         }
 943
 944         /**
 945          * Filter a given GMT timestamp (non Uni* stamp!) to make it look more
 946          * beatiful for web-based front-ends. If null is given a message id
 947          * null_timestamp will be resolved and returned.
 948          *
 949          * @param       $timestamp      Timestamp to prepare (filter) for display
 950          * @return      $readable       A readable timestamp
 951          */
 952         public function doFilterFormatTimestamp ($timestamp) {
 953                 // Default value to return
 954                 $readable = '???';
 955
 956                 // Is the timestamp null?
 957                 if (is_null($timestamp)) {
 958                         // Get a message string
 959                         $readable = $this->getLanguageInstance()->getMessage('null_timestamp');
 960                 } else {
 961                         switch ($this->getLanguageInstance()->getLanguageCode()) {
 962                                 case 'de': // German format is a bit different to default
 963                                         // Split the GMT stamp up
 964                                         $dateTime  = explode(' ', $timestamp  );
 965                                         $dateArray = explode('-', $dateTime[0]);
 966                                         $timeArray = explode(':', $dateTime[1]);
 967
 968                                         // Construct the timestamp
 969                                         $readable = sprintf($this->getConfigInstance()->getConfigEntry('german_date_time'),
 970                                                 $dateArray[0],
 971                                                 $dateArray[1],
 972                                                 $dateArray[2],
 973                                                 $timeArray[0],
 974                                                 $timeArray[1],
 975                                                 $timeArray[2]
 976                                         );
 977                                         break;
 978
 979                                 default: // Default is pass-through
 980                                         $readable = $timestamp;
 981                                         break;
 982                         } // END - switch
 983                 }
 984
 985                 // Return the stamp
 986                 return $readable;
 987         }
 988
 989         /**
 990          * Filter a given number into a localized number
 991          *
 992          * @param       $value          The raw value from e.g. database
 993          * @return      $localized      Localized value
 994          */
 995         public function doFilterFormatNumber ($value) {
 996                 // Generate it from config and localize dependencies
 997                 switch ($this->getLanguageInstance()->getLanguageCode()) {
 998                         case 'de': // German format is a bit different to default
 999                                 $localized = number_format($value, $this->getConfigInstance()->getConfigEntry('decimals'), ',', '.');
1000                                 break;
1001
1002                         default: // US, etc.
1003                                 $localized = number_format($value, $this->getConfigInstance()->getConfigEntry('decimals'), '.', ',');
1004                                 break;
1005                 } // END - switch
1006
1007                 // Return it
1008                 return $localized;
1009         }
1010
1011         /**
1012          * "Getter" for databse entry
1013          *
1014          * @return      $entry  An array with database entries
1015          * @throws      NullPointerException    If the database result is not found
1016          * @throws      InvalidDatabaseResultException  If the database result is invalid
1017          */
1018         protected final function getDatabaseEntry () {
1019                 // Is there an instance?
1020                 if (is_null($this->getResultInstance())) {
1021                         // Throw an exception here
1022                         throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
1023                 } // END - if
1024
1025                 // Rewind it
1026                 $this->getResultInstance()->rewind();
1027
1028                 // Do we have an entry?
1029                 if ($this->getResultInstance()->valid() === false) {
1030                         throw new InvalidDatabaseResultException(array($this, $this->getResultInstance()), DatabaseResult::EXCEPTION_INVALID_DATABASE_RESULT);
1031                 } // END - if
1032
1033                 // Get next entry
1034                 $this->getResultInstance()->next();
1035
1036                 // Fetch it
1037                 $entry = $this->getResultInstance()->current();
1038
1039                 // And return it
1040                 return $entry;
1041         }
1042
1043         /**
1044          * Getter for field name
1045          *
1046          * @param       $fieldName              Field name which we shall get
1047          * @return      $fieldValue             Field value from the user
1048          * @throws      NullPointerException    If the result instance is null
1049          */
1050         public final function getField ($fieldName) {
1051                 // Default field value
1052                 $fieldValue = null;
1053
1054                 // Get result instance
1055                 $resultInstance = $this->getResultInstance();
1056
1057                 // Is this instance null?
1058                 if (is_null($resultInstance)) {
1059                         // Then the user instance is no longer valid (expired cookies?)
1060                         throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
1061                 } // END - if
1062
1063                 // Get current array
1064                 $fieldArray = $resultInstance->current();
1065                 //* DEBUG: */ $this->debugOutput($fieldName.':<pre>'.print_r($fieldArray, true).'</pre>');
1066
1067                 // Does the field exist?
1068                 if (isset($fieldArray[$fieldName])) {
1069                         // Get it
1070                         $fieldValue = $fieldArray[$fieldName];
1071                 } // END - if
1072
1073                 // Return it
1074                 return $fieldValue;
1075         }
1076
1077         /**
1078          * Protected setter for user instance
1079          *
1080          * @param       $userInstance   An instance of a user class
1081          * @return      void
1082          */
1083         protected final function setUserInstance (ManageableAccount $userInstance) {
1084                 $this->userInstance = $userInstance;
1085         }
1086
1087         /**
1088          * Getter for user instance
1089          *
1090          * @return      $userInstance   An instance of a user class
1091          */
1092         public final function getUserInstance () {
1093                 return $this->userInstance;
1094         }
1095
1096         /**
1097          * Setter for controller instance (this surely breaks a bit the MVC patterm)
1098          *
1099          * @param       $controllerInstance             An instance of the controller
1100          * @return      void
1101          */
1102         public final function setControllerInstance (Controller $controllerInstance) {
1103                 $this->controllerInstance = $controllerInstance;
1104         }
1105
1106         /**
1107          * Getter for controller instance (this surely breaks a bit the MVC patterm)
1108          *
1109          * @return      $controllerInstance             An instance of the controller
1110          */
1111         public final function getControllerInstance () {
1112                 return $this->controllerInstance;
1113         }
1114
1115         /**
1116          * Flushs all pending updates to the database layer
1117          *
1118          * @return      void
1119          */
1120         public function flushPendingUpdates () {
1121                 // Get result instance
1122                 $resultInstance = $this->getResultInstance();
1123
1124                 // Do we have data to update?
1125                 if ((is_object($resultInstance)) && ($resultInstance->ifDataNeedsFlush())) {
1126                         // Get wrapper class name config entry
1127                         $configEntry = $resultInstance->getUpdateInstance()->getWrapperConfigEntry();
1128
1129                         // Create object instance
1130                         $wrapperInstance = ObjectFactory::createObjectByConfiguredName($configEntry);
1131
1132                         // Yes, then send the whole result to the database layer
1133                         $wrapperInstance->doUpdateByResult($this->getResultInstance());
1134                 } // END - if
1135         }
1136
1137         /**
1138          * Outputs a deprecation warning to the developer.
1139          *
1140          * @param       $message        The message we shall output to the developer
1141          * @return      void
1142          * @todo        Write a logging mechanism for productive mode
1143          */
1144         public function deprecationWarning ($message) {
1145                 // Is developer mode active?
1146                 if (defined('DEVELOPER')) {
1147                         // Debug instance is there?
1148                         if (!is_null($this->getDebugInstance())) {
1149                                 // Output stub message
1150                                 $this->debugOutput($message);
1151                         } else {
1152                                 // Trigger an error
1153                                 trigger_error($message."<br />\n");
1154                         }
1155                 } else {
1156                         // @TODO Finish this part!
1157                         $this->partialStub('Developer mode inactive. Message:' . $message);
1158                 }
1159         }
1160
1161         /**
1162          * Checks wether the given PHP extension is loaded
1163          *
1164          * @param       $phpExtension   The PHP extension we shall check
1165          * @return      $isLoaded       Wether the PHP extension is loaded
1166          */
1167         public final function isPhpExtensionLoaded ($phpExtension) {
1168                 // Is it loaded?
1169                 $isLoaded = in_array($phpExtension, get_loaded_extensions());
1170
1171                 // Return result
1172                 return $isLoaded;
1173         }
1174
1175         /**
1176          * Setter for RNG instance
1177          *
1178          * @param       $rngInstance    An instance of a random number generator (RNG)
1179          * @return      void
1180          */
1181         protected final function setRngInstance (RandomNumberGenerator $rngInstance) {
1182                 $this->rngInstance = $rngInstance;
1183         }
1184
1185         /**
1186          * Getter for RNG instance
1187          *
1188          * @return      $rngInstance    An instance of a random number generator (RNG)
1189          */
1190         public final function getRngInstance () {
1191                 return $this->rngInstance;
1192         }
1193
1194         /**
1195          * Setter for Iterator instance
1196          *
1197          * @param       $iteratorInstance       An instance of an Iterator
1198          * @return      void
1199          */
1200         protected final function setIteratorInstance (Iterator $iteratorInstance) {
1201                 $this->iteratorInstance = $iteratorInstance;
1202         }
1203
1204         /**
1205          * Getter for Iterator instance
1206          *
1207          * @return      $iteratorInstance       An instance of an Iterator
1208          */
1209         public final function getIteratorInstance () {
1210                 return $this->iteratorInstance;
1211         }
1212
1213         /**
1214          * "Getter" as a time() replacement but with milliseconds. You should use this
1215          * method instead of the encapsulated getimeofday() function.
1216          *
1217          * @return      $milliTime      Timestamp with milliseconds
1218          */
1219         public function getMilliTime () {
1220                 // Get the time of day as float
1221                 $milliTime = gettimeofday(true);
1222
1223                 // Return it
1224                 return $milliTime;
1225         }
1226
1227         /**
1228          * Idles (sleeps) for given milliseconds
1229          *
1230          * @return      $hasSlept       Wether it goes fine
1231          */
1232         public function idle ($milliSeconds) {
1233                 // Sleep is fine by default
1234                 $hasSlept = true;
1235
1236                 // Idle so long with found function
1237                 if (function_exists('time_sleep_until')) {
1238                         // Get current time and add idle time
1239                         $sleepUntil = $this->getMilliTime() + abs($milliSeconds) / 1000;
1240
1241                         // New PHP 5.1.0 function found
1242                         $hasSlept = time_sleep_until($sleepUntil);
1243                 } else {
1244                         // My Sun Station doesn't have that function even with latest PHP
1245                         // package. :(
1246                         usleep($milliSeconds * 1000);
1247                 }
1248
1249                 // Return result
1250                 return $hasSlept;
1251         }
1252
1253         /**
1254          * Setter for the list instance
1255          *
1256          * @param       $listInstance   A list of Listable
1257          * @return      void
1258          */
1259         protected final function setListInstance (Listable $listInstance) {
1260                 $this->listInstance = $listInstance;
1261         }
1262
1263         /**
1264          * Getter for the list instance
1265          *
1266          * @return      $listInstance   A list of Listable
1267          */
1268         protected final function getListInstance () {
1269                 return $this->listInstance;
1270         }
1271
1272         /**
1273          * Setter for the menu instance
1274          *
1275          * @param       $menuInstance   A RenderableMenu instance
1276          * @return      void
1277          */
1278         protected final function setMenuInstance (RenderableMenu $menuInstance) {
1279                 $this->menuInstance = $menuInstance;
1280         }
1281
1282         /**
1283          * Getter for the menu instance
1284          *
1285          * @return      $menuInstance   A RenderableMenu instance
1286          */
1287         protected final function getMenuInstance () {
1288                 return $this->menuInstance;
1289         }
1290
1291         /**
1292          * Setter for image instance
1293          *
1294          * @param       $imageInstance  An instance of an image
1295          * @return      void
1296          */
1297         public final function setImageInstance (BaseImage $imageInstance) {
1298                 $this->imageInstance = $imageInstance;
1299         }
1300
1301         /**
1302          * Getter for image instance
1303          *
1304          * @return      $imageInstance  An instance of an image
1305          */
1306         public final function getImageInstance () {
1307                 return $this->imageInstance;
1308         }
1309
1310         /**
1311          * Setter for stacker instance
1312          *
1313          * @param       $stackerInstance        An instance of an stacker
1314          * @return      void
1315          */
1316         public final function setStackerInstance (Stackable $stackerInstance) {
1317                 $this->stackerInstance = $stackerInstance;
1318         }
1319
1320         /**
1321          * Getter for stacker instance
1322          *
1323          * @return      $stackerInstance        An instance of an stacker
1324          */
1325         public final function getStackerInstance () {
1326                 return $this->stackerInstance;
1327         }
1328
1329         /**
1330          * Setter for compressor instance
1331          *
1332          * @param       $compressorInstance     An instance of an compressor
1333          * @return      void
1334          */
1335         public final function setCompressorInstance (Compressor $compressorInstance) {
1336                 $this->compressorInstance = $compressorInstance;
1337         }
1338
1339         /**
1340          * Getter for compressor instance
1341          *
1342          * @return      $compressorInstance     An instance of an compressor
1343          */
1344         public final function getCompressorInstance () {
1345                 return $this->compressorInstance;
1346         }
1347
1348         /**
1349          * Setter for Parseable instance
1350          *
1351          * @param       $parserInstance An instance of an Parseable
1352          * @return      void
1353          */
1354         public final function setParserInstance (Parseable $parserInstance) {
1355                 $this->parserInstance = $parserInstance;
1356         }
1357
1358         /**
1359          * Getter for Parseable instance
1360          *
1361          * @return      $parserInstance An instance of an Parseable
1362          */
1363         public final function getParserInstance () {
1364                 return $this->parserInstance;
1365         }
1366
1367         /**
1368          * Setter for ProtocolHandler instance
1369          *
1370          * @param       $protocolInstance       An instance of an ProtocolHandler
1371          * @return      void
1372          */
1373         public final function setProtocolInstance (ProtocolHandler $protocolInstance) {
1374                 $this->protocolInstance = $protocolInstance;
1375         }
1376
1377         /**
1378          * Getter for ProtocolHandler instance
1379          *
1380          * @return      $protocolInstance       An instance of an ProtocolHandler
1381          */
1382         public final function getProtocolInstance () {
1383                 return $this->protocolInstance;
1384         }
1385
1386         /**
1387          * Setter for BaseDatabaseWrapper instance
1388          *
1389          * @param       $wrapperInstance        An instance of an BaseDatabaseWrapper
1390          * @return      void
1391          */
1392         public final function setWrapperInstance (BaseDatabaseWrapper $wrapperInstance) {
1393                 $this->wrapperInstance = $wrapperInstance;
1394         }
1395
1396         /**
1397          * Getter for BaseDatabaseWrapper instance
1398          *
1399          * @return      $wrapperInstance        An instance of an BaseDatabaseWrapper
1400          */
1401         public final function getWrapperInstance () {
1402                 return $this->wrapperInstance;
1403         }
1404
1405         /**
1406          * Setter for socket resource
1407          *
1408          * @param       $socketResource         A valid socket resource
1409          * @return      void
1410          */
1411         public final function setSocketResource ($socketResource) {
1412                 $this->socketResource = $socketResource;
1413         }
1414
1415         /**
1416          * Getter for socket resource
1417          *
1418          * @return      $socketResource         A valid socket resource
1419          */
1420         public function getSocketResource () {
1421                 return $this->socketResource;
1422         }
1423
1424         /**
1425          * Setter for raw package Data
1426          *
1427          * @param       $packageData    Raw package Data
1428          * @return      void
1429          */
1430         public final function setPackageData (array $packageData) {
1431                 $this->packageData = $packageData;
1432         }
1433
1434         /**
1435          * Getter for raw package Data
1436          *
1437          * @return      $packageData    Raw package Data
1438          */
1439         public function getPackageData () {
1440                 return $this->packageData;
1441         }
1442 }
1443
1444 // [EOF]
1445 ?>