Source of file Tar.php
Size: 6,551 Bytes - Last Modified: 2014-03-12T23:21:18+01:00
/home/theseer/Downloads/ZendFramework-2.3.0/library/Zend/Filter/Compress/Tar.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234 | <?php /** * Zend Framework (http://framework.zend.com/) * * @link http://github.com/zendframework/zf2 for the canonical source repository * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ namespace Zend\Filter\Compress; use Archive_Tar; use RecursiveDirectoryIterator; use RecursiveIteratorIterator; use Zend\Filter\Exception; /** * Compression adapter for Tar */ class Tar extends AbstractCompressionAlgorithm { /** * Compression Options * array( * 'archive' => Archive to use * 'target' => Target to write the files to * ) * * @var array */ protected $options = array( 'archive' => null, 'target' => '.', 'mode' => null, ); /** * Class constructor * * @param array $options (Optional) Options to set * @throws Exception\ExtensionNotLoadedException if Archive_Tar component not available */ public function __construct($options = null) { if (!class_exists('Archive_Tar')) { throw new Exception\ExtensionNotLoadedException( 'This filter needs PEAR\'s Archive_Tar component. ' . 'Ensure loading Archive_Tar (registering autoload or require_once)'); } parent::__construct($options); } /** * Returns the set archive * * @return string */ public function getArchive() { return $this->options['archive']; } /** * Sets the archive to use for de-/compression * * @param string $archive Archive to use * @return self */ public function setArchive($archive) { $archive = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, (string) $archive); $this->options['archive'] = $archive; return $this; } /** * Returns the set target path * * @return string */ public function getTarget() { return $this->options['target']; } /** * Sets the target path to use * * @param string $target * @return self * @throws Exception\InvalidArgumentException if target path does not exist */ public function setTarget($target) { if (!file_exists(dirname($target))) { throw new Exception\InvalidArgumentException("The directory '$target' does not exist"); } $target = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, (string) $target); $this->options['target'] = $target; return $this; } /** * Returns the set compression mode * * @return string */ public function getMode() { return $this->options['mode']; } /** * Compression mode to use * * Either Gz or Bz2. * * @param string $mode * @return self * @throws Exception\InvalidArgumentException for invalid $mode values * @throws Exception\ExtensionNotLoadedException if bz2 mode selected but extension not loaded * @throws Exception\ExtensionNotLoadedException if gz mode selected but extension not loaded */ public function setMode($mode) { $mode = ucfirst(strtolower($mode)); if (($mode != 'Bz2') && ($mode != 'Gz')) { throw new Exception\InvalidArgumentException("The mode '$mode' is unknown"); } if (($mode == 'Bz2') && (!extension_loaded('bz2'))) { throw new Exception\ExtensionNotLoadedException('This mode needs the bz2 extension'); } if (($mode == 'Gz') && (!extension_loaded('zlib'))) { throw new Exception\ExtensionNotLoadedException('This mode needs the zlib extension'); } $this->options['mode'] = $mode; return $this; } /** * Compresses the given content * * @param string $content * @return string * @throws Exception\RuntimeException if unable to create temporary file * @throws Exception\RuntimeException if unable to create archive */ public function compress($content) { $archive = new Archive_Tar($this->getArchive(), $this->getMode()); if (!file_exists($content)) { $file = $this->getTarget(); if (is_dir($file)) { $file .= DIRECTORY_SEPARATOR . "tar.tmp"; } $result = file_put_contents($file, $content); if ($result === false) { throw new Exception\RuntimeException('Error creating the temporary file'); } $content = $file; } if (is_dir($content)) { // collect all file infos foreach (new RecursiveIteratorIterator( new RecursiveDirectoryIterator($content, RecursiveDirectoryIterator::KEY_AS_PATHNAME), RecursiveIteratorIterator::SELF_FIRST ) as $directory => $info ) { if ($info->isFile()) { $file[] = $directory; } } $content = $file; } $result = $archive->create($content); if ($result === false) { throw new Exception\RuntimeException('Error creating the Tar archive'); } return $this->getArchive(); } /** * Decompresses the given content * * @param string $content * @return string * @throws Exception\RuntimeException if unable to find archive * @throws Exception\RuntimeException if error occurs decompressing archive */ public function decompress($content) { $archive = $this->getArchive(); if (empty($archive) || !file_exists($archive)) { throw new Exception\RuntimeException('Tar Archive not found'); } $archive = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, realpath($content)); $archive = new Archive_Tar($archive, $this->getMode()); $target = $this->getTarget(); if (!is_dir($target)) { $target = dirname($target) . DIRECTORY_SEPARATOR; } $result = $archive->extract($target); if ($result === false) { throw new Exception\RuntimeException('Error while extracting the Tar archive'); } return $target; } /** * Returns the adapter name * * @return string */ public function toString() { return 'Tar'; } } |