Introduced isFieldSet().
[core.git] / inc / classes / main / class_BaseFrameworkSystem.php
index ddd03a4007a70fac05e025bc03ae5a9aeed8ba93..2e42a794b12018efe454f560730ca1a54d9e6d3a 100644 (file)
@@ -5,7 +5,7 @@
  *
  * @author             Roland Haeder <webmaster@shipsimu.org>
  * @version            0.0.0
- * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2013 Core Developer Team
+ * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Core Developer Team
  * @license            GNU GPL 3.0 or any newer version
  * @link               http://www.shipsimu.org
  *
  */
 class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
        /**
-        * Length of count
-        */
-       const LENGTH_COUNT = 20;
-
-       /**
-        * Length of position
+        * Length of output from hash()
         */
-       const LENGTH_POSITION = 20;
+       private static $hashLength = NULL;
 
        /**
         * The real class name
@@ -121,7 +116,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
        /**
         * Instance of the stacker
         */
-       private $stackerInstance = NULL;
+       private $stackInstance = NULL;
 
        /**
         * A Compressor instance
@@ -134,7 +129,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
        private $parserInstance = NULL;
 
        /**
-        * A ProtocolHandler instance
+        * A HandleableProtocol instance
         */
        private $protocolInstance = NULL;
 
@@ -153,6 +148,11 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
         */
        private $sourceInstance = NULL;
 
+       /**
+        * An instance of a UrlSource class
+        */
+       private $urlSourceInstance = NULL;
+
        /**
         * An instance of a InputStream class
         */
@@ -189,69 +189,69 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
        private $pointerInstance = NULL;
 
        /**
-        * An instance of an index
+        * An instance of an Indexable class
         */
        private $indexInstance = NULL;
 
        /**
-        * Thousands separator
+        * An instance of a Block class
         */
-       private $thousands = '.'; // German
+       private $blockInstance = NULL;
 
        /**
-        * Decimal separator
+        * A Minable instance
         */
-       private $decimals  = ','; // German
+       private $minableInstance = NULL;
 
        /**
-        * Socket resource
+        * A FrameworkDirectory instance
         */
-       private $socketResource = FALSE;
+       private $directoryInstance = NULL;
 
        /**
-        * Package data
+        * Listener instance
         */
-       private $packageData = array();
+       private $listenerInstance = NULL;
 
        /**
-        * Generic array
+        * Thousands separator
         */
-       private $genericArray = array();
+       private $thousands = '.'; // German
 
        /**
-        * Length of output from hash()
+        * Decimal separator
         */
-       private static $hashLength = NULL;
+       private $decimals  = ','; // German
 
        /**
-        * Counter for total entries
+        * Socket resource
         */
-       private $totalEntries = 0;
+       private $socketResource = FALSE;
 
        /**
-        * Current seek position
+        * Regular expression to use for validation
         */
-       private $seekPosition = 0;
+       private $regularExpression = '';
 
        /**
-        * Size of header
+        * Package data
         */
-       private $headerSize = 0;
+       private $packageData = array();
 
        /**
-        * File header
+        * Generic array
         */
-       private $header = array();
+       private $genericArray = array();
 
        /**
-        * Seek positions for gaps ("fragmentation")
+        * Command name
         */
-       private $gaps = array();
+       private $commandName = '';
 
        /**
-        * Seek positions for damaged entries (e.g. mismatching hash sum, ...)
+        * Controller name
         */
-       private $damagedEntries = array();
+       private $controllerName = '';
 
        /***********************
         * Exception codes.... *
@@ -988,20 +988,20 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
        /**
         * Setter for stacker instance
         *
-        * @param       $stackerInstance        An instance of an stacker
+        * @param       $stackInstance  An instance of an stacker
         * @return      void
         */
-       public final function setStackerInstance (Stackable $stackerInstance) {
-               $this->stackerInstance = $stackerInstance;
+       public final function setStackInstance (Stackable $stackInstance) {
+               $this->stackInstance = $stackInstance;
        }
 
        /**
         * Getter for stacker instance
         *
-        * @return      $stackerInstance        An instance of an stacker
+        * @return      $stackInstance  An instance of an stacker
         */
-       public final function getStackerInstance () {
-               return $this->stackerInstance;
+       public final function getStackInstance () {
+               return $this->stackInstance;
        }
 
        /**
@@ -1043,19 +1043,19 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
        }
 
        /**
-        * Setter for ProtocolHandler instance
+        * Setter for HandleableProtocol instance
         *
-        * @param       $protocolInstance       An instance of an ProtocolHandler
+        * @param       $protocolInstance       An instance of an HandleableProtocol
         * @return      void
         */
-       public final function setProtocolInstance (ProtocolHandler $protocolInstance = NULL) {
+       public final function setProtocolInstance (HandleableProtocol $protocolInstance) {
                $this->protocolInstance = $protocolInstance;
        }
 
        /**
-        * Getter for ProtocolHandler instance
+        * Getter for HandleableProtocol instance
         *
-        * @return      $protocolInstance       An instance of an ProtocolHandler
+        * @return      $protocolInstance       An instance of an HandleableProtocol
         */
        public final function getProtocolInstance () {
                return $this->protocolInstance;
@@ -1101,6 +1101,27 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
                return $this->socketResource;
        }
 
+       /**
+        * Setter for regular expression
+        *
+        * @param       $regularExpression      A valid regular expression
+        * @return      void
+        */
+       public final function setRegularExpression ($regularExpression) {
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput($this->__toString() . '::' . __FUNCTION__ . ': regularExpression=' . $regularExpression . ',previous[' . gettype($this->regularExpression) . ']=' . $this->regularExpression);
+               $this->regularExpression = $regularExpression;
+       }
+
+       /**
+        * Getter for regular expression
+        *
+        * @return      $regularExpression      A valid regular expression
+        */
+       public final function getRegularExpression () {
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput($this->__toString() . '::' . __FUNCTION__ . ': regularExpression[' . gettype($this->regularExpression) . ']=' . $this->regularExpression);
+               return $this->regularExpression;
+       }
+
        /**
         * Setter for helper instance
         *
@@ -1123,7 +1144,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
        /**
         * Setter for a Sourceable instance
         *
-        * @param       $sourceInstance The Sourceable instance
+        * @param       $sourceInstance         An instance of a Sourceable class
         * @return      void
         */
        protected final function setSourceInstance (Sourceable $sourceInstance) {
@@ -1133,12 +1154,31 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
        /**
         * Getter for a Sourceable instance
         *
-        * @return      $sourceInstance The Sourceable instance
+        * @return      $sourceInstance         An instance of a Sourceable class
         */
        protected final function getSourceInstance () {
                return $this->sourceInstance;
        }
 
+       /**
+        * Setter for a UrlSource instance
+        *
+        * @param       $sourceInstance         An instance of a UrlSource class
+        * @return      void
+        */
+       protected final function setUrlSourceInstance (UrlSource $urlSourceInstance) {
+               $this->urlSourceInstance = $urlSourceInstance;
+       }
+
+       /**
+        * Getter for a UrlSource instance
+        *
+        * @return      $urlSourceInstance              An instance of a UrlSource class
+        */
+       protected final function getUrlSourceInstance () {
+               return $this->urlSourceInstance;
+       }
+
        /**
         * Getter for a InputStream instance
         *
@@ -1274,24 +1314,40 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
        }
 
        /**
-        * Setter for InputOutputPointer instance
+        * Setter for FilePointer instance
         *
-        * @param       $pointerInstance        An instance of an InputOutputPointer class
+        * @param       $pointerInstance        An instance of an FilePointer class
         * @return      void
         */
-       protected final function setPointerInstance (InputOutputPointer $pointerInstance) {
+       protected final function setPointerInstance (FilePointer $pointerInstance) {
                $this->pointerInstance = $pointerInstance;
        }
 
        /**
-        * Getter for InputOutputPointer instance
+        * Getter for FilePointer instance
         *
-        * @return      $pointerInstance        An instance of an InputOutputPointer class
+        * @return      $pointerInstance        An instance of an FilePointer class
         */
        public final function getPointerInstance () {
                return $this->pointerInstance;
        }
 
+       /**
+        * Unsets pointer instance which triggers a call of __destruct() if the
+        * instance is still there. This is surely not fatal on already "closed"
+        * file pointer instances.
+        *
+        * I don't want to mess around with above setter by giving it a default
+        * value NULL as setter should always explicitly only set (existing) object
+        * instances and NULL is NULL.
+        *
+        * @return      void
+        */
+       protected final function unsetPointerInstance () {
+               // Simply it to NULL
+               $this->pointerInstance = NULL;
+       }
+
        /**
         * Setter for Indexable instance
         *
@@ -1311,6 +1367,120 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
                return $this->indexInstance;
        }
 
+       /**
+        * Setter for Block instance
+        *
+        * @param       $blockInstance  An instance of an Block class
+        * @return      void
+        */
+       protected final function setBlockInstance (Block $blockInstance) {
+               $this->blockInstance = $blockInstance;
+       }
+
+       /**
+        * Getter for Block instance
+        *
+        * @return      $blockInstance  An instance of an Block class
+        */
+       public final function getBlockInstance () {
+               return $this->blockInstance;
+       }
+
+       /**
+        * Setter for Minable instance
+        *
+        * @param       $minableInstance        A Minable instance
+        * @return      void
+        */
+       protected final function setMinableInstance (Minable $minableInstance) {
+               $this->minableInstance = $minableInstance;
+       }
+
+       /**
+        * Getter for minable instance
+        *
+        * @return      $minableInstance        A Minable instance
+        */
+       protected final function getMinableInstance () {
+               return $this->minableInstance;
+       }
+
+       /**
+        * Setter for FrameworkDirectory instance
+        *
+        * @param       $directoryInstance      A FrameworkDirectoryPointer instance
+        * @return      void
+        */
+       protected final function setDirectoryInstance (FrameworkDirectory $directoryInstance) {
+               $this->directoryInstance = $directoryInstance;
+       }
+
+       /**
+        * Getter for FrameworkDirectory instance
+        *
+        * @return      $directoryInstance      A FrameworkDirectory instance
+        */
+       protected final function getDirectoryInstance () {
+               return $this->directoryInstance;
+       }
+
+       /**
+        * Setter for listener instance
+        *
+        * @param       $listenerInstance       A Listenable instance
+        * @return      void
+        */
+       protected final function setListenerInstance (Listenable $listenerInstance) {
+               $this->listenerInstance = $listenerInstance;
+       }
+
+       /**
+        * Getter for listener instance
+        *
+        * @return      $listenerInstance       A Listenable instance
+        */
+       protected final function getListenerInstance () {
+               return $this->listenerInstance;
+       }
+
+       /**
+        * Setter for command name
+        *
+        * @param       $commandName    Last validated command name
+        * @return      void
+        */
+       protected final function setCommandName ($commandName) {
+               $this->commandName = $commandName;
+       }
+
+       /**
+        * Getter for command name
+        *
+        * @return      $commandName    Last validated command name
+        */
+       protected final function getCommandName () {
+               return $this->commandName;
+       }
+
+       /**
+        * Setter for controller name
+        *
+        * @param       $controllerName Last validated controller name
+        * @return      void
+        */
+       protected final function setControllerName ($controllerName) {
+               $this->controllerName = $controllerName;
+       }
+
+       /**
+        * Getter for controller name
+        *
+        * @return      $controllerName Last validated controller name
+        */
+       protected final function getControllerName () {
+               return $this->controllerName;
+       }
+
        /**
         * Checks whether an object equals this object. You should overwrite this
         * method to implement own equality checks
@@ -1387,7 +1557,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
        }
 
        /**
-        * Prepare the template engine (WebTemplateEngine by default) for a given
+        * Prepare the template engine (HtmlTemplateEngine by default) for a given
         * application helper instance (ApplicationHelper by default).
         *
         * @param               $applicationInstance    An application helper instance or
@@ -1410,7 +1580,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
                } // END - if
 
                // Initialize the template engine
-               $templateInstance = ObjectFactory::createObjectByConfiguredName('web_template_class');
+               $templateInstance = ObjectFactory::createObjectByConfiguredName('html_template_class');
 
                // Return the prepared instance
                return $templateInstance;
@@ -1548,7 +1718,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
                        // Try it
                        try {
                                // Get a debugger instance
-                               $debugInstance = DebugMiddleware::createDebugMiddleware(FrameworkConfiguration::getSelfInstance()->getConfigEntry('debug_class'));
+                               $debugInstance = DebugMiddleware::createDebugMiddleware(FrameworkConfiguration::getSelfInstance()->getConfigEntry('debug_' . self::getResponseTypeFromSystem() . '_class'));
                        } catch (NullPointerException $e) {
                                // Didn't work, no instance there
                                exit('Cannot create debugInstance! Exception=' . $e->__toString() . ', message=' . $e->getMessage());
@@ -1788,7 +1958,8 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
 
                // Do we have an entry?
                if ($this->getResultInstance()->valid() === FALSE) {
-                       throw new InvalidDatabaseResultException(array($this, $this->getResultInstance()), DatabaseResult::EXCEPTION_INVALID_DATABASE_RESULT);
+                       // @TODO Move the constant to e.g. BaseDatabaseResult when there is a non-cached database result available
+                       throw new InvalidDatabaseResultException(array($this, $this->getResultInstance()), CachedDatabaseResult::EXCEPTION_INVALID_DATABASE_RESULT);
                } // END - if
 
                // Get next entry
@@ -1826,21 +1997,55 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
                //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput($fieldName.':<pre>'.print_r($fieldArray, TRUE).'</pre>');
 
                // Convert dashes to underscore
-               $fieldName = $this->convertDashesToUnderscores($fieldName);
+               $fieldName2 = $this->convertDashesToUnderscores($fieldName);
 
                // Does the field exist?
-               if (isset($fieldArray[$fieldName])) {
+               if ($this->isFieldSet($fieldName)) {
                        // Get it
-                       $fieldValue = $fieldArray[$fieldName];
+                       $fieldValue = $fieldArray[$fieldName2];
+               } elseif (defined('DEVELOPER')) {
+                       // Missing field entry, may require debugging
+                       self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ']:fieldArray<pre>=' . print_r($fieldArray, TRUE) . '</pre>,fieldName=' . $fieldName . ' not found!');
                } else {
                        // Missing field entry, may require debugging
-                       self::createDebugInstance(__CLASS__)->debugOutput($this->__toString() . ':fieldname=' . $fieldName . ' not found!');
+                       self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ']:fieldName=' . $fieldName . ' not found!');
                }
 
                // Return it
                return $fieldValue;
        }
 
+       /**
+        * Checks if given field is set
+        *
+        * @param       $fieldName      Field name to check
+        * @return      $isSet          Whether the given field name is set
+        * @throws      NullPointerException    If the result instance is null
+        */
+       public function isFieldSet ($fieldName) {
+               // Get result instance
+               $resultInstance = $this->getResultInstance();
+
+               // Is this instance null?
+               if (is_null($resultInstance)) {
+                       // Then the user instance is no longer valid (expired cookies?)
+                       throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
+               } // END - if
+
+               // Get current array
+               $fieldArray = $resultInstance->current();
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . $this->__toString() . ':' . __LINE__ . '] fieldName=' . $fieldName . ',fieldArray=<pre>'.print_r($fieldArray, TRUE).'</pre>');
+
+               // Convert dashes to underscore
+               $fieldName = $this->convertDashesToUnderscores($fieldName);
+
+               // Determine it
+               $isSet = isset($fieldArray[$fieldName]);
+
+               // Return result
+               return $isSet;
+       }
+
        /**
         * Flushs all pending updates to the database layer
         *
@@ -2100,14 +2305,17 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
         *
         * @return      $responseType   Analyzed response type
         */
-       protected function getResponseTypeFromSystem () {
+       protected static function getResponseTypeFromSystem () {
                // Default is console
                $responseType = 'console';
 
                // Is 'HTTP_HOST' set?
                if (isset($_SERVER['HTTP_HOST'])) {
-                       // Then it is a HTTP response/request
-                       $responseType = 'http';
+                       /*
+                        * Then it is a HTML response/request as RSS and so on may be
+                        * transfered over HTTP as well.
+                        */
+                       $responseType = 'html';
                } // END - if
 
                // Return it
@@ -2827,292 +3035,42 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
        }
 
        /**
-        * Translates boolean TRUE to 'Y' and FALSE to 'N'
-        *
-        * @param       $boolean                Boolean value
-        * @return      $translated             Translated boolean value
-        */
-       public static final function translateBooleanToYesNo ($boolean) {
-               // Make sure it is really boolean
-               assert(is_bool($boolean));
-
-               // "Translate" it
-               $translated = ($boolean === TRUE) ? 'Y' : 'N';
-
-               // ... and return it
-               return $translated;
-       }
-
-       /**
-        * Initializes counter for valid entries, arrays for damaged entries and
-        * an array for gap seek positions. If you call this method on your own,
-        * please re-analyze the file structure. So you are better to call
-        * analyzeFile() instead of this method.
-        *
-        * @return      void
-        */
-       protected function initCountersGapsArray () {
-               // Init counter and seek position
-               $this->setCounter(0);
-               $this->setSeekPosition(0);
-
-               // Init arrays
-               $this->gaps = array();
-               $this->damagedEntries = array();
-       }
-
-       /**
-        * Getter for total entries
-        *
-        * @return      $totalEntries   Total entries in this file
-        */
-       protected final function getCounter () {
-               // Get it
-               return $this->totalEntries;
-       }
-
-       /**
-        * Setter for total entries
-        *
-        * @param       $totalEntries   Total entries in this file
-        * @return      void
-        */
-       protected final function setCounter ($counter) {
-               // Set it
-               $this->totalEntries = $counter;
-       }
-
-       /**
-        * Increment counter
-        *
-        * @return      void
-        */
-       protected final function incrementCounter () {
-               // Get it
-               $this->totalEntries++;
-       }
-
-       /**
-        * Getter for header size
-        *
-        * @return      $totalEntries   Size of file header
-        */
-       protected final function getHeaderSize () {
-               // Get it
-               return $this->headerSize;
-       }
-
-       /**
-        * Setter for header size
-        *
-        * @param       $headerSize             Size of file header
-        * @return      void
-        */
-       protected final function setHeaderSize ($headerSize) {
-               // Set it
-               $this->headerSize = $headerSize;
-       }
-
-       /**
-        * Getter for header array
-        *
-        * @return      $totalEntries   Size of file header
-        */
-       protected final function getHeade () {
-               // Get it
-               return $this->header;
-       }
-
-       /**
-        * Setter for header
-        *
-        * @param       $header         Array for a file header
-        * @return      void
-        */
-       protected final function setHeader (array $header) {
-               // Set it
-               $this->header = $header;
-       }
-
-       /**
-        * Getter for seek position
-        *
-        * @return      $seekPosition   Current seek position (stored here in object)
-        */
-       protected final function getSeekPosition () {
-               // Get it
-               return $this->seekPosition;
-       }
-
-       /**
-        * Setter for seek position
-        *
-        * @param       $seekPosition   Current seek position (stored here in object)
-        * @return      void
-        */
-       protected final function setSeekPosition ($seekPosition) {
-               // And set it
-               $this->seekPosition = $seekPosition;
-       }
-
-       /**
-        * Updates seekPosition attribute from file to avoid to much access on file.
+        * Initializes the web output instance
         *
         * @return      void
         */
-       protected function updateSeekPosition () {
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] CALLED!', __METHOD__, __LINE__));
-
-               // Get key (= seek position)
-               $seekPosition = $this->getIteratorInstance()->key();
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] Setting seekPosition=%s', __METHOD__, __LINE__, $seekPosition));
-
-               // And set it here
-               $this->setSeekPosition($seekPosition);
-
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] EXIT!', __METHOD__, __LINE__));
-       }
-
-       /**
-        * Checks whether the file header is initialized
-        *
-        * @return      $isInitialized  Whether the file header is initialized
-        */
-       protected function isFileHeaderInitialized () {
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] CALLED!', __METHOD__, __LINE__));
+       protected function initWebOutputInstance () {
+               // Get application instance
+               $applicationInstance = Registry::getRegistry()->getInstance('app');
 
-               // Is the method there?
-               assert(is_callable(array($this, 'readFileHeader')));
-
-               // Default is not initialized
-               $isInitialized = FALSE;
-
-               // Is the file initialized?
-               if ($this->isFileInitialized()) {
-                       // Some bytes has been written, so rewind to start of it.
-                       $rewindStatus = $this->getIteratorInstance()->rewind();
-                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] rewindStatus=%s', __METHOD__, __LINE__, $rewindStatus));
-
-                       // Is the rewind() call successfull?
-                       if ($rewindStatus != 1) {
-                               // Something bad happened
-                               self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] Could not rewind().', __METHOD__, __LINE__));
-                       } // END - if
-
-                       // Read file header
-                       $this->readFileHeader();
-
-                       // The above method does already check the header
-                       $isInitialized = TRUE;
+               // Is this a response instance?
+               if ($this instanceof Responseable) {
+                       // Then set it in application instance
+                       $applicationInstance->setResponseInstance($this);
                } // END - if
 
-               // Return result
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] isInitialized=%d - EXIT!', __METHOD__, __LINE__, intval($isInitialized)));
-               return $isInitialized;
-       }
-
-       /**
-        * Checks whether the assigned file has been initialized
-        *
-        * @return      $isInitialized          Whether the file's size is zero
-        */
-       protected function isFileInitialized () {
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] CALLED!', __METHOD__, __LINE__));
-
-               // Get it from iterator which holds the pointer instance. If FALSE is returned
-               $fileSize = $this->getIteratorInstance()->size();
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] fileSize=%s', __METHOD__, __LINE__, $fileSize));
-
-               /*
-                * The returned file size should not be FALSE or NULL as this means
-                * that the pointer class does not work correctly.
-                */
-               assert(is_int($fileSize));
-
-               // Is more than 0 returned?
-               $isInitialized = ($fileSize > 0);
-
-               // Return result
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] isInitialized=%d - EXIT!', __METHOD__, __LINE__, intval($isInitialized)));
-               return $isInitialized;
-       }
-
-       /**
-        * Creates the assigned file
-        *
-        * @return      void
-        */
-       protected function createFileHeader () {
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] CALLED!', __METHOD__, __LINE__));
-               // The file's header should not be initialized here
-               assert(!$this->isFileHeaderInitialized());
-
-               // Simple flush file header which will create it.
-               $this->flushFileHeader();
-
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] EXIT!!', __METHOD__, __LINE__));
-       }
-
-       /**
-        * Writes data at given position
-        *
-        * @param       $seekPosition   Seek position
-        * @param       $data                   Data to be written
-        * @return      void
-        */
-       protected function writeData ($seekPosition, $data) {
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] seekPosition=%s,data()=%s - CALLED!', __METHOD__, __LINE__, $seekPosition, strlen($data)));
-
-               // Write data at given position
-               $this->getIteratorInstance()->writeAtPosition($seekPosition, $data);
-
-               // Update seek position
-               $this->updateSeekPosition();
-
-               // Flush header
-               $this->flushHeader();
+               // Init web output instance
+               $outputInstance = ObjectFactory::createObjectByConfiguredName('output_class', array($applicationInstance));
 
-               // Seek to old position
-               $this->seekToOldPosition();
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] EXIT!', __METHOD__, __LINE__));
+               // Set it locally
+               $this->setWebOutputInstance($outputInstance);
        }
 
        /**
-        * Pre-allocates file (if enabled) with some space for later faster write access.
+        * Translates boolean TRUE to 'Y' and FALSE to 'N'
         *
-        * @param       $type   Type of the file
-        * @return      void
+        * @param       $boolean                Boolean value
+        * @return      $translated             Translated boolean value
         */
-       protected function preAllocateFile ($type) {
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] CALLED!', __METHOD__, __LINE__));
-
-               // caluclateMinimumFileEntryLength() must be callable
-               assert(is_callable(array($this, 'caluclateMinimumFileEntryLength')));
-
-               // Is it enabled?
-               if ($this->getConfigInstance()->getConfigEntry($type . '_pre_allocate_enabled') != 'Y') {
-                       // Not enabled
-                       self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] Not pre-allocating file.', __METHOD__, __LINE__));
-
-                       // Don't continue here.
-                       return;
-               } // END - if
-
-               // Message to user
-               self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] Pre-allocating file ...', __METHOD__, __LINE__));
-
-               // Calculate minimum length for one entry
-               $minLengthEntry = $this->caluclateMinimumFileEntryLength();
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] minLengthEntry=%s', __METHOD__, __LINE__, $minLengthEntry));
-
-               // Calulcate seek position
-               $seekPosition = $minLengthEntry * $this->getConfigInstance()->getConfigEntry($type . '_pre_allocate_count');
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] seekPosition=%s', __METHOD__, __LINE__, $seekPosition));
+       public static final function translateBooleanToYesNo ($boolean) {
+               // Make sure it is really boolean
+               assert(is_bool($boolean));
 
-               // Now simply write a NUL there. This will pre-allocate the file.
-               $this->writeData($seekPosition, chr(0));
+               // "Translate" it
+               $translated = ($boolean === TRUE) ? 'Y' : 'N';
 
-               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] EXIT!', __METHOD__, __LINE__));
+               // ... and return it
+               return $translated;
        }
 }