diff options
Diffstat (limited to 'engine/classes/ElggFile.php')
| -rw-r--r-- | engine/classes/ElggFile.php | 125 |
1 files changed, 101 insertions, 24 deletions
diff --git a/engine/classes/ElggFile.php b/engine/classes/ElggFile.php index a1bc81118..bf6732ca4 100644 --- a/engine/classes/ElggFile.php +++ b/engine/classes/ElggFile.php @@ -1,20 +1,24 @@ <?php /** - * @class ElggFile * This class represents a physical file. * - * Usage: - * Create a new ElggFile object and specify a filename, and optionally a FileStore (if one isn't specified - * then the default is assumed. + * Create a new ElggFile object and specify a filename, and optionally a + * FileStore (if one isn't specified then the default is assumed.) * - * Open the file using the appropriate mode, and you will be able to read and write to the file. + * Open the file using the appropriate mode, and you will be able to + * read and write to the file. * - * Optionally, you can also call the file's save() method, this will turn the file into an entity in the - * system and permit you to do things like attach tags to the file etc. This is not done automatically since - * there are many occasions where you may want access to file data on datastores using the ElggFile interface - * but do not want to create an Entity reference to it in the system (temporary files for example). + * Optionally, you can also call the file's save() method, this will + * turn the file into an entity in the system and permit you to do + * things like attach tags to the file etc. This is not done automatically + * since there are many occasions where you may want access to file data + * on datastores using the ElggFile interface but do not want to create + * an Entity reference to it in the system (temporary files for example). * + * @class ElggFile + * @package Elgg.Core + * @subpackage DataModel.File */ class ElggFile extends ElggObject { /** Filestore */ @@ -23,12 +27,33 @@ class ElggFile extends ElggObject { /** File handle used to identify this file in a filestore. Created by open. */ private $handle; + /** + * Set subtype to 'file'. + * + * @return void + * + * @deprecated 1.8 Use initializeAttributes() + */ protected function initialise_attributes() { - parent::initialise_attributes(); + elgg_deprecated_notice('ElggFile::initialise_attributes() is deprecated by ::initializeAttributes()', 1.8); + } + + /** + * Set subtype to 'file'. + * + * @return void + */ + protected function initializeAttributes() { + parent::initializeAttributes(); $this->attributes['subtype'] = "file"; } + /** + * Loads an ElggFile entity. + * + * @param int $guid GUID of the ElggFile object + */ public function __construct($guid = null) { parent::__construct($guid); @@ -40,6 +65,8 @@ class ElggFile extends ElggObject { * Set the filename of this file. * * @param string $name The filename. + * + * @return void */ public function setFilename($name) { $this->filename = $name; @@ -47,33 +74,43 @@ class ElggFile extends ElggObject { /** * Return the filename. + * + * @return string */ public function getFilename() { return $this->filename; } /** - * Return the filename of this file as it is/will be stored on the filestore, which may be different - * to the filename. + * Return the filename of this file as it is/will be stored on the + * filestore, which may be different to the filename. + * + * @return string */ public function getFilenameOnFilestore() { return $this->filestore->getFilenameOnFilestore($this); } - /* + /** * Return the size of the filestore associated with this file * + * @param string $prefix Storage prefix + * @param int $container_guid The container GUID of the checked filestore + * + * @return int */ - public function getFilestoreSize($prefix='',$container_guid=0) { + public function getFilestoreSize($prefix = '', $container_guid = 0) { if (!$container_guid) { $container_guid = $this->container_guid; } $fs = $this->getFilestore(); - return $fs->getSize($prefix,$container_guid); + return $fs->getSize($prefix, $container_guid); } /** * Get the mime type of the file. + * + * @return string */ public function getMimeType() { if ($this->mimetype) { @@ -86,7 +123,9 @@ class ElggFile extends ElggObject { /** * Set the mime type of the file. * - * @param $mimetype The mimetype + * @param string $mimetype The mimetype + * + * @return bool */ public function setMimeType($mimetype) { return $this->mimetype = $mimetype; @@ -96,6 +135,8 @@ class ElggFile extends ElggObject { * Set the optional file description. * * @param string $description The description. + * + * @return bool */ public function setDescription($description) { $this->description = $description; @@ -105,6 +146,8 @@ class ElggFile extends ElggObject { * Open the file with the given mode * * @param string $mode Either read/write/append + * + * @return resource File handler */ public function open($mode) { if (!$this->getFilename()) { @@ -116,11 +159,12 @@ class ElggFile extends ElggObject { // Sanity check if ( - ($mode!="read") && - ($mode!="write") && - ($mode!="append") + ($mode != "read") && + ($mode != "write") && + ($mode != "append") ) { - throw new InvalidParameterException(sprintf(elgg_echo('InvalidParameterException:UnrecognisedFileMode'), $mode)); + $msg = sprintf(elgg_echo('InvalidParameterException:UnrecognisedFileMode'), $mode); + throw new InvalidParameterException($msg); } // Get the filestore @@ -136,9 +180,11 @@ class ElggFile extends ElggObject { } /** - * Write some data. + * Write data. * * @param string $data The data + * + * @return bool */ public function write($data) { $fs = $this->getFilestore(); @@ -147,10 +193,12 @@ class ElggFile extends ElggObject { } /** - * Read some data. + * Read data. * * @param int $length Amount to read. * @param int $offset The offset to start from. + * + * @return mixed Data or false */ public function read($length, $offset = 0) { $fs = $this->getFilestore(); @@ -170,6 +218,8 @@ class ElggFile extends ElggObject { /** * Close the file and commit changes + * + * @return bool */ public function close() { $fs = $this->getFilestore(); @@ -185,6 +235,8 @@ class ElggFile extends ElggObject { /** * Delete this file. + * + * @return bool */ public function delete() { $fs = $this->getFilestore(); @@ -196,7 +248,9 @@ class ElggFile extends ElggObject { /** * Seek a position in the file. * - * @param int $position + * @param int $position Position in bytes + * + * @return bool */ public function seek($position) { $fs = $this->getFilestore(); @@ -217,6 +271,8 @@ class ElggFile extends ElggObject { /** * Return the size of the file in bytes. + * + * @return int */ public function size() { return $this->filestore->getFileSize($this); @@ -224,6 +280,8 @@ class ElggFile extends ElggObject { /** * Return a boolean value whether the file handle is at the end of the file + * + * @return bool */ public function eof() { $fs = $this->getFilestore(); @@ -231,6 +289,11 @@ class ElggFile extends ElggObject { return $fs->eof($this->handle); } + /** + * Returns if the file exists + * + * @return bool + */ public function exists() { $fs = $this->getFilestore(); @@ -241,6 +304,8 @@ class ElggFile extends ElggObject { * Set a filestore. * * @param ElggFilestore $filestore The file store. + * + * @return void */ public function setFilestore(ElggFilestore $filestore) { $this->filestore = $filestore; @@ -250,6 +315,8 @@ class ElggFile extends ElggObject { * Return a filestore suitable for saving this file. * This filestore is either a pre-registered filestore, a filestore loaded from metatags saved * along side this file, or the system default. + * + * @return ElggFilestore */ protected function getFilestore() { // Short circuit if already set. @@ -263,7 +330,7 @@ class ElggFile extends ElggObject { $parameters = array(); if (is_array($metas)) { foreach ($metas as $meta) { - if (strpos($meta->name, "filestore::")!==false) { + if (strpos($meta->name, "filestore::") !== false) { // Filestore parameter tag $comp = explode("::", $meta->name); $name = $comp[1]; @@ -298,6 +365,16 @@ class ElggFile extends ElggObject { return $this->filestore; } + /** + * Save the file + * + * Write the file's data to the filestore and save + * the corresponding entity. + * + * @see ElggObject::save() + * + * @return bool + */ public function save() { if (!parent::save()) { return false; |