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<?php |
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/* |
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* Ntentan Framework |
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* Copyright (c) 2008-2015 James Ekow Abaka Ainooson |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining |
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* a copy of this software and associated documentation files (the |
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* "Software"), to deal in the Software without restriction, including |
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* without limitation the rights to use, copy, modify, merge, publish, |
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* distribute, sublicense, and/or sell copies of the Software, and to |
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* permit persons to whom the Software is furnished to do so, subject to |
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* the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be |
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* included in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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* |
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*/ |
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namespace ntentan\utils; |
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use ntentan\utils\filesystem\FileInterface; |
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/** |
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* A collection of filesystem utilities. |
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* |
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*/ |
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class Filesystem |
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{ |
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/** |
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* Checks if a file is writeable. |
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* In cases where the file cannot be written to an exception is thrown. |
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* |
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* @param string $path The path to the file to be checked. |
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* @throws exceptions\FileNotWriteableException |
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*/ |
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public static function checkWritable(string $path) : void |
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{ |
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if (!is_writable($path)) { |
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throw new exceptions\FileNotWriteableException("File $path is not writeable"); |
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} |
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} |
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/** |
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* Check if a file is readable. |
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* In cases where the file cannot be read, an exception is thrown. |
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* |
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* @param string $path The path to the file to be checked. |
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* @throws exceptions\FileNotReadableException |
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*/ |
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public static function checkReadable(string $path) : void |
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{ |
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if (!is_readable($path)) { |
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throw new exceptions\FileNotReadableException("File $path is not readable"); |
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} |
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} |
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/** |
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* Checks if a file exists and throws an exception if not. |
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* |
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* @param $path |
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* @throws exceptions\FileNotFoundException |
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*/ |
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public static function checkExists(string $path) : void |
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{ |
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if (!file_exists($path)) { |
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throw new exceptions\FileNotFoundException("File '$path' does not exist"); |
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} |
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} |
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/** |
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* Checks if a file exists and throws an exception if it does. |
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* |
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* @param string $path |
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* @throws exceptions\FileAlreadyExistsException |
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*/ |
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public static function checkNotExists(string $path) : void |
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{ |
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if(file_exists($path)) { |
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throw new exceptions\FileAlreadyExistsException("File '$path' already exists"); |
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} |
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} |
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/** |
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* Checks if a file exists and is writeable and throws a relevant exception if either condition is not met. |
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* |
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* @param $path |
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* @throws exceptions\FileNotFoundException |
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* @throws exceptions\FileNotWriteableException |
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*/ |
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public static function checkWriteSafety($path) |
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{ |
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Filesystem::checkExists($path); |
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Filesystem::checkWritable($path); |
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} |
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/** |
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* Checks if a file exists and is readable and throws a relevant excetion if either condition is not met. |
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* |
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* @param $path |
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* @throws exceptions\FileNotFoundException |
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* @throws exceptions\FileNotReadableException |
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*/ |
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public static function checkReadSafety($path) |
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{ |
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Filesystem::checkExists($path); |
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Filesystem::checkReadable($path); |
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} |
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/** |
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* Return an instance of the relevant FileInterface (File or Directory) for a file in a given path. |
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* |
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* @param string $path |
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* @return FileInterface |
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*/ |
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public static function get($path) |
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{ |
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if (is_dir($path)) { |
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return new filesystem\Directory($path); |
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} |
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return new filesystem\File($path); |
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} |
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} |
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ntentan /
utils
