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<?php
/**
* Strategy for writing file to temporary directory, then copying to VFS.
*
* $Horde: framework/VFS_ISOWriter/ISOWriter/RealOutputStrategy/copy.php,v 1.1.8.4 2006/01/01 21:28:44 jan Exp $
*
* Copyright 2004-2006 Cronosys, LLC <http://www.cronosys.com/>
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
*
* @author Jason M. Felice <jfelice@cronosys.com>
* @package VFS_ISO
* @since Horde 3.0
*/
class VFS_ISOWriter_RealOutputStrategy_copy extends VFS_ISOWriter_RealOutputStrategy {
var $_tempFilename = null;
/**
* Get a real filename to which we can write.
*
* In this implementation, we create and store a temporary filename.
*/
function getRealFilename()
{
if (is_null($this->_tempFilename)) {
$tmp_locations = array('/tmp', '/var/tmp', 'c:\WUTemp', 'c:\temp',
'c:\windows\temp', 'c:\winnt\temp');
/* First, try PHP's upload_tmp_dir directive. */
$tmp = ini_get('upload_tmp_dir');
/* Otherwise, try to determine the TMPDIR environment
* variable. */
if (empty($tmp)) {
$tmp = getenv('TMPDIR');
}
/* If we still cannot determine a value, then cycle through a
* list of preset possibilities. */
while (empty($tmp) && count($tmp_locations)) {
$tmp_check = array_shift($tmp_locations);
if (@is_dir($tmp_check)) {
$tmp = $tmp_check;
}
}
if (empty($tmp)) {
return PEAR::raiseError(_("Cannot find a temporary directory."));
}
$this->_tempFilename = tempnam($tmp, 'iso');
}
return $this->_tempFilename;
}
function finished()
{
if (empty($this->_tempFilename)) {
return;
}
if (!file_exists($this->_tempFilename)) {
return;
}
if (preg_match('!^(.*)/([^/]*)$!', $this->_targetFile, $matches)) {
$dir = $matches[1];
$file = $matches[2];
} else {
$dir = '';
$file = $this->_targetFile;
}
$res = $this->_targetVfs->write($dir, $file, $this->_tempFilename,
true);
@unlink($this->_tempFilename);
$this->_tempFilename = null;
return $res;
}
}
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