inc/classes/exceptions/controller/.htaccess -text
inc/classes/exceptions/controller/class_DefaultControllerException.php -text
inc/classes/exceptions/database/.htaccess -text
+inc/classes/exceptions/database/clients/.htaccess -text
+inc/classes/exceptions/database/clients/class_ClientUserNameNotFoundException.php -text
inc/classes/exceptions/database/local_file/.htaccess -text
inc/classes/exceptions/database/local_file/class_SavePathIsEmptyException.php -text
inc/classes/exceptions/database/local_file/class_SavePathIsNoDirectoryException.php -text
inc/classes/main/controller/form/.htaccess -text
inc/classes/main/controller/form/class_WebDoFormController.php -text
inc/classes/main/database/.htaccess -text
+inc/classes/main/database/class_ -text
+inc/classes/main/database/class_BaseDatabaseClient.php -text
inc/classes/main/database/class_BaseDatabaseFrontend.php -text
-inc/classes/main/database/classes/.htaccess -text
-inc/classes/main/database/classes/class_LocalFileDatabase.php -text
+inc/classes/main/database/clients/.htaccess -text
+inc/classes/main/database/clients/class_UserDatabaseClient.php -text
+inc/classes/main/database/databases/.htaccess -text
+inc/classes/main/database/databases/class_LocalFileDatabase.php -text
inc/classes/main/debug/.htaccess -text
inc/classes/main/debug/class_DebugConsoleOutput.php -text
inc/classes/main/debug/class_DebugErrorLogOutput.php -text
--- /dev/null
+Deny from all
--- /dev/null
+<?php
+/**
+ * An exception thrown when the database client has not found the username
+ *
+ * @author Roland Haeder <webmaster@ship-simu.org>
+ * @version 0.0.0
+ * @copyright Copyright(c) 2007, 2008 Roland Haeder, this is free software
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.ship-simu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class ClientUserNameNotFoundException extends FrameworkException {
+ /**
+ * The constructor
+ *
+ * @param $msgArray Message from the exception
+ * @param $code Code number for the exception
+ * @return void
+ */
+ public function __construct (array $msgArray, $code) {
+ // Add a message around the missing class
+ $message = sprintf("[%s:%d] Username <u>%s</u> was not found. Requesting class: <u>%s</u>",
+ $msgArray[0]->__toString(),
+ $this->getLine(),
+ $msgArray[1]->getUserName(),
+ $msgArray[1]->__toString()
+ );
+
+ // Call parent constructor
+ parent::__construct($message, $code);
+ }
+}
+
+// [EOF]
+?>
--- /dev/null
+<?php
+/**
+ *
+ *
+ * @see DatabaseFrontendInterface - An interface for database frontends (front-end to the application)
+ * @author Roland Haeder <webmaster@ship-simu.org>
+ * @version 0.0.0
+ * @copyright Copyright(c) 2007, 2008 Roland Haeder, this is free software
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.ship-simu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class extends BaseDatabaseFrontend {
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct($class) {
+ // Call parent constructor
+ parent::constructor(__CLASS__);
+
+ // Set part description
+ $this->setObjectDescription("");
+
+ // Create unique ID number
+ $this->createUniqueID();
+
+ // Clean up a little
+ $this->removeNumberFormaters();
+ $this->removeSystemArray();
+ }
+}
+
+// [EOF]
+?>
--- /dev/null
+<?php
+/**
+ * A generic database client
+ *
+ * @author Roland Haeder <webmaster@ship-simu.org>
+ * @version 0.0.0
+ * @copyright Copyright(c) 2007, 2008 Roland Haeder, this is free software
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.ship-simu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class BaseDatabaseClient extends BaseFrameworkSystem {
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct($class) {
+ // Call parent constructor
+ parent::__construct($class);
+
+ // Clean up a little
+ $this->removeNumberFormaters();
+ $this->removeSystemArray();
+ }
+}
+
+// [EOF]
+?>
+++ /dev/null
-Deny from all
+++ /dev/null
-<?php
-/**
- * Database backend class for storing objects in locally created files.
- *
- * This class serializes objects and saves them to local files.
- *
- * @author Roland Haeder <webmaster@ship-simu.org>
- * @version 0.0.0
- * @copyright Copyright(c) 2007, 2008 Roland Haeder, this is free software
- * @license GNU GPL 3.0 or any newer version
- * @link http://www.ship-simu.org
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-class LocalFileDatabase extends BaseDatabaseFrontend implements DatabaseFrontendInterface {
- /**
- * Save path for "file database"
- */
- private $savePath = "";
-
- /**
- * The file's extension
- */
- private $fileExtension = "serialized";
-
- /**
- * The last read file's name
- */
- private $lastFile = "";
-
- /**
- * The last read file's content including header information
- */
- private $lastContents = array();
-
- /**
- * The private constructor. Do never instance from outside!
- * You need to set a local file path. The class will then validate it.
- *
- * @return void
- */
- protected function __construct() {
- // Call parent constructor
- parent::__construct(__CLASS__);
-
- // Set description
- $this->setObjectDescription("Class for local file databases");
-
- // Create unique ID
- $this->createUniqueID();
-
- // Clean up a little
- $this->removeSystemArray();
- }
-
- /**
- * Create an object of LocalFileDatabase and set the save path for local files.
- * This method also validates the given file path.
- *
- * @param $savePath The local file path string
- * @param $ioInstance The input/output handler. This
- * should be FileIoHandler
- * @return $dbInstance An instance of LocalFileDatabase
- * @throws SavePathIsEmptyException If the given save path is an
- * empty string
- * @throws SavePathIsNoDirectoryException If the save path is no
- * path (e.g. a file)
- * @throws SavePathReadProtectedException If the save path is read-
- * protected
- * @throws SavePathWriteProtectedException If the save path is write-
- * protected
- */
- public final static function createLocalFileDatabase ($savePath, FileIoHandler $ioInstance) {
- // Get an instance
- $dbInstance = new LocalFileDatabase();
-
- if (empty($savePath)) {
- // Empty string
- throw new SavePathIsEmptyException($dbInstance, self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
- } elseif (!is_dir($savePath)) {
- // Is not a dir
- throw new SavePathIsNoDirectoryException($savePath, self::EXCEPTION_INVALID_PATH_NAME);
- } elseif (!is_readable($savePath)) {
- // Path not readable
- throw new SavePathReadProtectedException($savePath, self::EXCEPTION_READ_PROTECED_PATH);
- } elseif (!is_writeable($savePath)) {
- // Path not writeable
- throw new SavePathWriteProtectedException($savePath, self::EXCEPTION_WRITE_PROTECED_PATH);
- }
-
- // Set save path and IO instance
- $dbInstance->setSavePath($savePath);
- $dbInstance->setFileIoInstance($ioInstance);
-
- // Return database instance
- return $dbInstance;
- }
-
- /**
- * Setter for save path
- *
- * @param $savePath The local save path where we shall put our serialized classes
- * @return void
- */
- public final function setSavePath ($savePath) {
- // Secure string
- $savePath = (string) $savePath;
-
- // Set save path
- $this->savePath = $savePath;
- }
-
- /**
- * Getter for save path
- *
- * @return $savePath The local save path where we shall put our serialized classes
- */
- public final function getSavePath () {
- return $this->savePath;
- }
-
- /**
- * Saves a given object to the local file system by serializing and
- * transparently compressing it
- *
- * @param $object The object we shall save to the local file system
- * @return void
- * @throws NullPointerException If the object instance is null
- * @throws NoObjectException If the parameter $object is not
- * an object
- */
- public final function saveObject ($object) {
- // Some tests on the parameter...
- if (is_null($object)) {
- // Is null, throw exception
- throw new NullPointerException($object, self::EXCEPTION_IS_NULL_POINTER);
- } elseif (!is_object($object)) {
- // Is not an object, throw exception
- throw new NoObjectException($object, self::EXCEPTION_IS_NO_OBJECT);
- } elseif (!method_exists($object, '__toString')) {
- // A highly required method was not found... :-(
- throw new MissingMethodException(array($object, '__toString'), self::EXCEPTION_MISSING_METHOD);
- }
-
- // Get a string containing the serialized object. We cannot exchange
- // $this and $object here because $object does not need to worry
- // about it's limitations... ;-)
- $serialized = $this->serializeObject($object);
-
- // Get a path name plus file name and append the extension
- $fqfn = $this->getSavePath() . $object->getPathFileNameFromObject() . "." . $this->getFileExtension();
-
- // Save the file to disc we don't care here if the path is there,
- // this must be done in later methods.
- $this->getFileIoInstance()->saveFile($fqfn, array($this->getCompressorChannel()->getCompressorExtension(), $serialized));
- }
-
- /**
- * Get a serialized string from the given object
- *
- * @param $object The object we want to serialize and transparently
- * compress
- * @return $serialized A string containing the serialzed/compressed object
- * @see ObjectLimits An object holding limition information
- * @see SerializationContainer A special container class for e.g.
- * attributes from limited objects
- */
- private function serializeObject ($object) {
- // If there is no limiter instance we serialize the whole object
- // otherwise only in the limiter object (ObjectLimits) specified
- // attributes summarized in a special container class
- if ($this->getLimitInstance() === null) {
- // Serialize the whole object. This tribble call is the reason
- // why we need a fall-back implementation in CompressorChannel
- // of the methods compressStream() and decompressStream().
- $serialized = $this->getCompressorChannel()->getCompressor()->compressStream(serialize($object));
- } else {
- // Serialize only given attributes in a special container
- $container = SerializationContainer::createSerializationContainer($this->getLimitInstance(), $object);
-
- // Serialize the container
- $serialized = $this->getCompressorChannel()->getCompressor()->compressStream(serialize($container));
- }
-
- // Return the serialized object string
- return $serialized;
- }
-
- /**
- * Analyses if a unique ID has already been used or not by search in the
- * local database folder.
- *
- * @param $uniqueID A unique ID number which shall be checked
- * before it will be used
- * @param $inConstructor If we got called in a de/con-structor or
- * from somewhere else
- * @return $isUnused true = The unique ID was not found in the database,
- * false = It is already in use by an other object
- * @throws NoArrayCreatedException If explode() fails to create an array
- * @throws InvalidArrayCountException If the array contains less or
- * more than two elements
- */
- public function isUniqueIdUsed ($uniqueID, $inConstructor = false) {
- // Currently not used... ;-)
- $isUsed = false;
-
- // Split the unique ID up in path and file name
- $pathFile = explode("@", $uniqueID);
-
- // Are there two elements? Index 0 is the path, 1 the file name + global extension
- if (!is_array($pathFile)) {
- // No array found
- if ($inConstructor) {
- return false;
- } else {
- throw new NoArrayCreatedException(array($this, "pathFile"), self::EXCEPTION_ARRAY_EXPECTED);
- }
- } elseif (count($pathFile) != 2) {
- // Invalid ID returned!
- if ($inConstructor) {
- return false;
- } else {
- throw new InvalidArrayCountException(array($this, "pathFile", count($pathFile), 2), self::EXCEPTION_ARRAY_HAS_INVALID_COUNT);
- }
- }
-
- // Create full path name
- $pathName = $this->getSavePath() . $pathFile[0];
-
- // Check if the file is there with a file handler
- if ($inConstructor) {
- // No exceptions in constructors and destructors!
- $dirInstance = FrameworkDirectoryPointer::createFrameworkDirectoryPointer($pathName, true);
-
- // Has an object being created?
- if (!is_object($dirInstance)) return false;
- } else {
- // Outside a constructor
- try {
- $dirInstance = FrameworkDirectoryPointer::createFrameworkDirectoryPointer($pathName);
- } catch (PathIsNoDirectoryException $e) {
- // Okay, path not found
- return false;
- }
- }
-
- // Initialize the search loop
- $isValid = false;
- while ($dataFile = $dirInstance->readDirectoryExcept(array(".", ".."))) {
- // Generate FQFN for testing
- $fqfn = sprintf("%s/%s", $pathName, $dataFile);
- $this->setLastFile($fqfn);
-
- // Get instance for file handler
- $inputHandler = $this->getFileIoInstance();
-
- // Try to read from it. This makes it sure that the file is
- // readable and a valid database file
- $this->setLastFileContents($inputHandler->loadFileContents($fqfn));
-
- // Extract filename (= unique ID) from it
- $ID = substr(basename($fqfn), 0, -(strlen($this->getFileExtension()) + 1));
-
- // Is this the required unique ID?
- if ($ID == $pathFile[1]) {
- // Okay, already in use!
- $isUsed = true;
- }
- }
-
- // Close the directory handler
- $dirInstance->closeDirectory();
-
- // Now the same for the file...
- return $isUsed;
- }
-
- /**
- * Setter for the last read file
- *
- * @param $fqfn The FQFN of the last read file
- * @return void
- */
- private final function setLastFile ($fqfn) {
- // Cast string
- $fqfn = (string) $fqfn;
- $this->lastFile = $fqfn;
- }
-
- /**
- * Getter for last read file
- *
- * @return $lastFile The last read file's name with full path
- */
- public final function getLastFile () {
- return $this->lastFile;
- }
-
- /**
- * Setter for contents of the last read file
- *
- * @param $contents An array with header and data elements
- * @return void
- */
- private final function setLastFileContents ($contents) {
- // Cast array
- $contents = (array) $contents;
- $this->lastContents = $contents;
- }
-
- /**
- * Getter for last read file's content as an array
- *
- * @return $lastContent The array with elements 'header' and 'data'.
- */
- public final function getLastContents () {
- return $this->lastContents;
- }
-
- /**
- * Getter for file extension
- *
- * @return $fileExtension The array with elements 'header' and 'data'.
- */
- public final function getFileExtension () {
- return $this->fileExtension;
- }
-
- /**
- * Get cached (last fetched) data from the local file database
- *
- * @param $uniqueID The ID number for looking up the data
- * @return $object The restored object from the maybe compressed
- * serialized data
- * @throws MismatchingCompressorsException If the compressor from
- * the loaded file
- * mismatches with the
- * current used one.
- * @throws NullPointerException If the restored object
- * is null
- * @throws NoObjectException If the restored "object"
- * is not an object instance
- * @throws MissingMethodException If the required method
- * toString() is missing
- */
- public final function getObjectFromCachedData ($uniqueID) {
- // Get instance for file handler
- $inputHandler = $this->getFileIoInstance();
-
- // Get last file's name and contents
- $fqfn = $this->repairFQFN($this->getLastFile(), $uniqueID);
- $contents = $this->repairContents($this->getLastContents(), $fqfn);
-
- // Let's decompress it. First we need the instance
- $compressInstance = $this->getCompressorChannel();
-
- // Is the compressor's extension the same as the one from the data?
- if ($compressInstance->getCompressorExtension() != $contents['header'][0]) {
- /**
- * @todo For now we abort here but later we need to make this a little more dynamic.
- */
- throw new MismatchingCompressorsException(array($this, $contents['header'][0], $fqfn, $compressInstance->getCompressorExtension()), self::EXCEPTION_MISMATCHING_COMPRESSORS);
- }
-
- // Decompress the data now
- $serialized = $compressInstance->getCompressor()->decompressStream($contents['data']);
-
- // And unserialize it...
- $object = unserialize($serialized);
-
- // This must become a valid object, so let's check it...
- if (is_null($object)) {
- // Is null, throw exception
- throw new NullPointerException($object, self::EXCEPTION_IS_NULL_POINTER);
- } elseif (!is_object($object)) {
- // Is not an object, throw exception
- throw new NoObjectException($object, self::EXCEPTION_IS_NO_OBJECT);
- } elseif (!method_exists($object, '__toString')) {
- // A highly required method was not found... :-(
- throw new MissingMethodException(array($object, '__toString'), self::EXCEPTION_MISSING_METHOD);
- }
-
- // And return the object
- return $object;
- }
-
- /**
- * Private method for re-gathering (repairing) the FQFN
- *
- * @param $fqfn The current FQFN we shall validate
- * @param $uniqueID The unique ID number
- * @return $fqfn The repaired FQFN when it is empty
- * @throws NoArrayCreatedException If explode() has not
- * created an array
- * @throws InvalidArrayCountException If the array count is not
- * as the expected
- */
- private function repairFQFN ($fqfn, $uniqueID) {
- // Cast both strings
- $fqfn = (string) $fqfn;
- $uniqueID = (string) $uniqueID;
-
- // Is there pre-cached data available?
- if (empty($fqfn)) {
- // Split the unique ID up in path and file name
- $pathFile = explode("@", $uniqueID);
-
- // Are there two elements? Index 0 is the path, 1 the file name + global extension
- if (!is_array($pathFile)) {
- // No array found
- throw new NoArrayCreatedException(array($this, "pathFile"), self::EXCEPTION_ARRAY_EXPECTED);
- } elseif (count($pathFile) != 2) {
- // Invalid ID returned!
- throw new InvalidArrayCountException(array($this, "pathFile", count($pathFile), 2), self::EXCEPTION_ARRAY_HAS_INVALID_COUNT);
- }
-
- // Create full path name
- $pathName = $this->getSavePath() . $pathFile[0];
-
- // Nothing cached, so let's create a FQFN first
- $fqfn = sprintf("%s/%s.%s", $pathName, $pathFile[1], $this->getFileExtension());
- $this->setLastFile($fqfn);
- }
-
- // Return repaired FQFN
- return $fqfn;
- }
-
- /**
- * Private method for re-gathering the contents of a given file
- *
- * @param $contents The (maybe) already cached contents as an array
- * @param $fqfn The current FQFN we shall validate
- * @return $contents The repaired contents from the given file
- */
- private function repairContents ($contents, $fqfn) {
- // Is there some content and header (2 indexes) in?
- if ((!is_array($contents)) || (count($contents) != 2) || (!isset($contents['header'])) || (!isset($contents['data']))) {
- // No content found so load the file again
- $contents = $inputHandler->loadFileContents($fqfn);
-
- // And remember all data for later usage
- $this->setLastContents($contents);
- }
-
- // Return the repaired contents
- return $contents;
- }
-
- /* DUMMY */ public final function loadObject () {}
-}
-
-// [EOF]
-?>
--- /dev/null
+Deny from all
--- /dev/null
+<?php
+/**
+ * A database client for the User class
+ *
+ * @see DatabaseFrontendInterface - An interface for database frontends (front-end to the application)
+ * @author Roland Haeder <webmaster@ship-simu.org>
+ * @version 0.0.0
+ * @copyright Copyright(c) 2007, 2008 Roland Haeder, this is free software
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.ship-simu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class UserDatabaseClient extends BaseDatabaseClient {
+ // Constants
+ const EXCEPTION_CLIENT_USERNAME_NOT_FOUND = 0xe00;
+
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct() {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+
+ // Set part description
+ $this->setObjectDescription("Database client for user objects");
+
+ // Create unique ID number
+ $this->createUniqueID();
+ }
+
+ /**
+ * Creates an instance of this database client by a provided user class
+ *
+ * @param $userInstance An instance of a user class
+ * @return $clientInstance An instance of the created client class
+ * @throws ClientUserNameNotFoundException If the supplied username
+ * does not exist
+ */
+ public final static function createUserDatabaseClient (ManageableUser $userInstance) {
+ // Get a new instance
+ $clientInstance = new UserDatabaseClient();
+
+ // Does the username exists?
+ if (!$clientInstance->ifUserNameExists($userInstance->getUserName())) {
+ // Throw an exception here
+ throw new ClientUserNameNotFoundException (array($clientInstance, $userInstance), self::EXCEPTION_CLIENT_USERNAME_NOT_FOUND);
+ }
+
+ // The user exists
+ $clientInstance->partialStub("Add loading of full user details");
+
+ // Return the instance
+ return $clientInstance;
+ }
+}
+
+// [EOF]
+?>
--- /dev/null
+Deny from all
--- /dev/null
+<?php
+/**
+ * Database backend class for storing objects in locally created files.
+ *
+ * This class serializes objects and saves them to local files.
+ *
+ * @author Roland Haeder <webmaster@ship-simu.org>
+ * @version 0.0.0
+ * @copyright Copyright(c) 2007, 2008 Roland Haeder, this is free software
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.ship-simu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class LocalFileDatabase extends BaseDatabaseFrontend implements DatabaseFrontendInterface {
+ /**
+ * Save path for "file database"
+ */
+ private $savePath = "";
+
+ /**
+ * The file's extension
+ */
+ private $fileExtension = "serialized";
+
+ /**
+ * The last read file's name
+ */
+ private $lastFile = "";
+
+ /**
+ * The last read file's content including header information
+ */
+ private $lastContents = array();
+
+ /**
+ * The private constructor. Do never instance from outside!
+ * You need to set a local file path. The class will then validate it.
+ *
+ * @return void
+ */
+ protected function __construct() {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+
+ // Set description
+ $this->setObjectDescription("Class for local file databases");
+
+ // Create unique ID
+ $this->createUniqueID();
+
+ // Clean up a little
+ $this->removeSystemArray();
+ }
+
+ /**
+ * Create an object of LocalFileDatabase and set the save path for local files.
+ * This method also validates the given file path.
+ *
+ * @param $savePath The local file path string
+ * @param $ioInstance The input/output handler. This
+ * should be FileIoHandler
+ * @return $dbInstance An instance of LocalFileDatabase
+ * @throws SavePathIsEmptyException If the given save path is an
+ * empty string
+ * @throws SavePathIsNoDirectoryException If the save path is no
+ * path (e.g. a file)
+ * @throws SavePathReadProtectedException If the save path is read-
+ * protected
+ * @throws SavePathWriteProtectedException If the save path is write-
+ * protected
+ */
+ public final static function createLocalFileDatabase ($savePath, FileIoHandler $ioInstance) {
+ // Get an instance
+ $dbInstance = new LocalFileDatabase();
+
+ if (empty($savePath)) {
+ // Empty string
+ throw new SavePathIsEmptyException($dbInstance, self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
+ } elseif (!is_dir($savePath)) {
+ // Is not a dir
+ throw new SavePathIsNoDirectoryException($savePath, self::EXCEPTION_INVALID_PATH_NAME);
+ } elseif (!is_readable($savePath)) {
+ // Path not readable
+ throw new SavePathReadProtectedException($savePath, self::EXCEPTION_READ_PROTECED_PATH);
+ } elseif (!is_writeable($savePath)) {
+ // Path not writeable
+ throw new SavePathWriteProtectedException($savePath, self::EXCEPTION_WRITE_PROTECED_PATH);
+ }
+
+ // Set save path and IO instance
+ $dbInstance->setSavePath($savePath);
+ $dbInstance->setFileIoInstance($ioInstance);
+
+ // Return database instance
+ return $dbInstance;
+ }
+
+ /**
+ * Setter for save path
+ *
+ * @param $savePath The local save path where we shall put our serialized classes
+ * @return void
+ */
+ public final function setSavePath ($savePath) {
+ // Secure string
+ $savePath = (string) $savePath;
+
+ // Set save path
+ $this->savePath = $savePath;
+ }
+
+ /**
+ * Getter for save path
+ *
+ * @return $savePath The local save path where we shall put our serialized classes
+ */
+ public final function getSavePath () {
+ return $this->savePath;
+ }
+
+ /**
+ * Saves a given object to the local file system by serializing and
+ * transparently compressing it
+ *
+ * @param $object The object we shall save to the local file system
+ * @return void
+ * @throws NullPointerException If the object instance is null
+ * @throws NoObjectException If the parameter $object is not
+ * an object
+ */
+ public final function saveObject ($object) {
+ // Some tests on the parameter...
+ if (is_null($object)) {
+ // Is null, throw exception
+ throw new NullPointerException($object, self::EXCEPTION_IS_NULL_POINTER);
+ } elseif (!is_object($object)) {
+ // Is not an object, throw exception
+ throw new NoObjectException($object, self::EXCEPTION_IS_NO_OBJECT);
+ } elseif (!method_exists($object, '__toString')) {
+ // A highly required method was not found... :-(
+ throw new MissingMethodException(array($object, '__toString'), self::EXCEPTION_MISSING_METHOD);
+ }
+
+ // Get a string containing the serialized object. We cannot exchange
+ // $this and $object here because $object does not need to worry
+ // about it's limitations... ;-)
+ $serialized = $this->serializeObject($object);
+
+ // Get a path name plus file name and append the extension
+ $fqfn = $this->getSavePath() . $object->getPathFileNameFromObject() . "." . $this->getFileExtension();
+
+ // Save the file to disc we don't care here if the path is there,
+ // this must be done in later methods.
+ $this->getFileIoInstance()->saveFile($fqfn, array($this->getCompressorChannel()->getCompressorExtension(), $serialized));
+ }
+
+ /**
+ * Get a serialized string from the given object
+ *
+ * @param $object The object we want to serialize and transparently
+ * compress
+ * @return $serialized A string containing the serialzed/compressed object
+ * @see ObjectLimits An object holding limition information
+ * @see SerializationContainer A special container class for e.g.
+ * attributes from limited objects
+ */
+ private function serializeObject ($object) {
+ // If there is no limiter instance we serialize the whole object
+ // otherwise only in the limiter object (ObjectLimits) specified
+ // attributes summarized in a special container class
+ if ($this->getLimitInstance() === null) {
+ // Serialize the whole object. This tribble call is the reason
+ // why we need a fall-back implementation in CompressorChannel
+ // of the methods compressStream() and decompressStream().
+ $serialized = $this->getCompressorChannel()->getCompressor()->compressStream(serialize($object));
+ } else {
+ // Serialize only given attributes in a special container
+ $container = SerializationContainer::createSerializationContainer($this->getLimitInstance(), $object);
+
+ // Serialize the container
+ $serialized = $this->getCompressorChannel()->getCompressor()->compressStream(serialize($container));
+ }
+
+ // Return the serialized object string
+ return $serialized;
+ }
+
+ /**
+ * Analyses if a unique ID has already been used or not by search in the
+ * local database folder.
+ *
+ * @param $uniqueID A unique ID number which shall be checked
+ * before it will be used
+ * @param $inConstructor If we got called in a de/con-structor or
+ * from somewhere else
+ * @return $isUnused true = The unique ID was not found in the database,
+ * false = It is already in use by an other object
+ * @throws NoArrayCreatedException If explode() fails to create an array
+ * @throws InvalidArrayCountException If the array contains less or
+ * more than two elements
+ */
+ public function isUniqueIdUsed ($uniqueID, $inConstructor = false) {
+ // Currently not used... ;-)
+ $isUsed = false;
+
+ // Split the unique ID up in path and file name
+ $pathFile = explode("@", $uniqueID);
+
+ // Are there two elements? Index 0 is the path, 1 the file name + global extension
+ if (!is_array($pathFile)) {
+ // No array found
+ if ($inConstructor) {
+ return false;
+ } else {
+ throw new NoArrayCreatedException(array($this, "pathFile"), self::EXCEPTION_ARRAY_EXPECTED);
+ }
+ } elseif (count($pathFile) != 2) {
+ // Invalid ID returned!
+ if ($inConstructor) {
+ return false;
+ } else {
+ throw new InvalidArrayCountException(array($this, "pathFile", count($pathFile), 2), self::EXCEPTION_ARRAY_HAS_INVALID_COUNT);
+ }
+ }
+
+ // Create full path name
+ $pathName = $this->getSavePath() . $pathFile[0];
+
+ // Check if the file is there with a file handler
+ if ($inConstructor) {
+ // No exceptions in constructors and destructors!
+ $dirInstance = FrameworkDirectoryPointer::createFrameworkDirectoryPointer($pathName, true);
+
+ // Has an object being created?
+ if (!is_object($dirInstance)) return false;
+ } else {
+ // Outside a constructor
+ try {
+ $dirInstance = FrameworkDirectoryPointer::createFrameworkDirectoryPointer($pathName);
+ } catch (PathIsNoDirectoryException $e) {
+ // Okay, path not found
+ return false;
+ }
+ }
+
+ // Initialize the search loop
+ $isValid = false;
+ while ($dataFile = $dirInstance->readDirectoryExcept(array(".", ".."))) {
+ // Generate FQFN for testing
+ $fqfn = sprintf("%s/%s", $pathName, $dataFile);
+ $this->setLastFile($fqfn);
+
+ // Get instance for file handler
+ $inputHandler = $this->getFileIoInstance();
+
+ // Try to read from it. This makes it sure that the file is
+ // readable and a valid database file
+ $this->setLastFileContents($inputHandler->loadFileContents($fqfn));
+
+ // Extract filename (= unique ID) from it
+ $ID = substr(basename($fqfn), 0, -(strlen($this->getFileExtension()) + 1));
+
+ // Is this the required unique ID?
+ if ($ID == $pathFile[1]) {
+ // Okay, already in use!
+ $isUsed = true;
+ }
+ }
+
+ // Close the directory handler
+ $dirInstance->closeDirectory();
+
+ // Now the same for the file...
+ return $isUsed;
+ }
+
+ /**
+ * Setter for the last read file
+ *
+ * @param $fqfn The FQFN of the last read file
+ * @return void
+ */
+ private final function setLastFile ($fqfn) {
+ // Cast string
+ $fqfn = (string) $fqfn;
+ $this->lastFile = $fqfn;
+ }
+
+ /**
+ * Getter for last read file
+ *
+ * @return $lastFile The last read file's name with full path
+ */
+ public final function getLastFile () {
+ return $this->lastFile;
+ }
+
+ /**
+ * Setter for contents of the last read file
+ *
+ * @param $contents An array with header and data elements
+ * @return void
+ */
+ private final function setLastFileContents ($contents) {
+ // Cast array
+ $contents = (array) $contents;
+ $this->lastContents = $contents;
+ }
+
+ /**
+ * Getter for last read file's content as an array
+ *
+ * @return $lastContent The array with elements 'header' and 'data'.
+ */
+ public final function getLastContents () {
+ return $this->lastContents;
+ }
+
+ /**
+ * Getter for file extension
+ *
+ * @return $fileExtension The array with elements 'header' and 'data'.
+ */
+ public final function getFileExtension () {
+ return $this->fileExtension;
+ }
+
+ /**
+ * Get cached (last fetched) data from the local file database
+ *
+ * @param $uniqueID The ID number for looking up the data
+ * @return $object The restored object from the maybe compressed
+ * serialized data
+ * @throws MismatchingCompressorsException If the compressor from
+ * the loaded file
+ * mismatches with the
+ * current used one.
+ * @throws NullPointerException If the restored object
+ * is null
+ * @throws NoObjectException If the restored "object"
+ * is not an object instance
+ * @throws MissingMethodException If the required method
+ * toString() is missing
+ */
+ public final function getObjectFromCachedData ($uniqueID) {
+ // Get instance for file handler
+ $inputHandler = $this->getFileIoInstance();
+
+ // Get last file's name and contents
+ $fqfn = $this->repairFQFN($this->getLastFile(), $uniqueID);
+ $contents = $this->repairContents($this->getLastContents(), $fqfn);
+
+ // Let's decompress it. First we need the instance
+ $compressInstance = $this->getCompressorChannel();
+
+ // Is the compressor's extension the same as the one from the data?
+ if ($compressInstance->getCompressorExtension() != $contents['header'][0]) {
+ /**
+ * @todo For now we abort here but later we need to make this a little more dynamic.
+ */
+ throw new MismatchingCompressorsException(array($this, $contents['header'][0], $fqfn, $compressInstance->getCompressorExtension()), self::EXCEPTION_MISMATCHING_COMPRESSORS);
+ }
+
+ // Decompress the data now
+ $serialized = $compressInstance->getCompressor()->decompressStream($contents['data']);
+
+ // And unserialize it...
+ $object = unserialize($serialized);
+
+ // This must become a valid object, so let's check it...
+ if (is_null($object)) {
+ // Is null, throw exception
+ throw new NullPointerException($object, self::EXCEPTION_IS_NULL_POINTER);
+ } elseif (!is_object($object)) {
+ // Is not an object, throw exception
+ throw new NoObjectException($object, self::EXCEPTION_IS_NO_OBJECT);
+ } elseif (!method_exists($object, '__toString')) {
+ // A highly required method was not found... :-(
+ throw new MissingMethodException(array($object, '__toString'), self::EXCEPTION_MISSING_METHOD);
+ }
+
+ // And return the object
+ return $object;
+ }
+
+ /**
+ * Private method for re-gathering (repairing) the FQFN
+ *
+ * @param $fqfn The current FQFN we shall validate
+ * @param $uniqueID The unique ID number
+ * @return $fqfn The repaired FQFN when it is empty
+ * @throws NoArrayCreatedException If explode() has not
+ * created an array
+ * @throws InvalidArrayCountException If the array count is not
+ * as the expected
+ */
+ private function repairFQFN ($fqfn, $uniqueID) {
+ // Cast both strings
+ $fqfn = (string) $fqfn;
+ $uniqueID = (string) $uniqueID;
+
+ // Is there pre-cached data available?
+ if (empty($fqfn)) {
+ // Split the unique ID up in path and file name
+ $pathFile = explode("@", $uniqueID);
+
+ // Are there two elements? Index 0 is the path, 1 the file name + global extension
+ if (!is_array($pathFile)) {
+ // No array found
+ throw new NoArrayCreatedException(array($this, "pathFile"), self::EXCEPTION_ARRAY_EXPECTED);
+ } elseif (count($pathFile) != 2) {
+ // Invalid ID returned!
+ throw new InvalidArrayCountException(array($this, "pathFile", count($pathFile), 2), self::EXCEPTION_ARRAY_HAS_INVALID_COUNT);
+ }
+
+ // Create full path name
+ $pathName = $this->getSavePath() . $pathFile[0];
+
+ // Nothing cached, so let's create a FQFN first
+ $fqfn = sprintf("%s/%s.%s", $pathName, $pathFile[1], $this->getFileExtension());
+ $this->setLastFile($fqfn);
+ }
+
+ // Return repaired FQFN
+ return $fqfn;
+ }
+
+ /**
+ * Private method for re-gathering the contents of a given file
+ *
+ * @param $contents The (maybe) already cached contents as an array
+ * @param $fqfn The current FQFN we shall validate
+ * @return $contents The repaired contents from the given file
+ */
+ private function repairContents ($contents, $fqfn) {
+ // Is there some content and header (2 indexes) in?
+ if ((!is_array($contents)) || (count($contents) != 2) || (!isset($contents['header'])) || (!isset($contents['data']))) {
+ // No content found so load the file again
+ $contents = $inputHandler->loadFileContents($fqfn);
+
+ // And remember all data for later usage
+ $this->setLastContents($contents);
+ }
+
+ // Return the repaired contents
+ return $contents;
+ }
+
+ /* DUMMY */ public final function loadObject () {}
+}
+
+// [EOF]
+?>
} catch (UsernameMissingException $e) {
// Okay, this user is missing!
$alreadyTaken = false;
- } catch (FrameworkException $e) {
- // Something bad happend
- ApplicationEntryPoint::app_die(sprintf("Exception: %s", $e->__toString()));
}
// Return the result
/**
* Getter for username
*
- * @return $userName The username to set
+ * @return $userName The username to get
*/
public final function getUsername () {
return $this->userNane;
}
+
+ /**
+ * Determines wether the username exists or not
+ *
+ * @return $exists Wether the username exists
+ */
+ protected function ifUsernameExists () {
+ // By default the username does exist
+ $exists = true;
+
+ // Try to get a UserDatabaseClient object back
+ try {
+ // Get the instance by providing this class
+ $this->userClient = UserDatabaseClient::createUserDatabaseClient($this);
+ } catch (ClientUserNameNotFoundException $e) {
+ // Does not exist!
+ $exists = false;
+ }
+
+ // Return the status
+ return $exists;
+ }
}
// [EOF]
projects / shipsimu.git / commitdiff