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include/swiftmailer/lib/classes/Swift/ByteStream/TemporaryFileByteStream.php

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+<?php
+
+/*
+* This file is part of SwiftMailer.
+* (c) 2004-2009 Chris Corbyn
+*
+* For the full copyright and license information, please view the LICENSE
+* file that was distributed with this source code.
+*/
+
+/**
+ * @author Romain-Geissler
+ */
+class Swift_ByteStream_TemporaryFileByteStream extends Swift_ByteStream_FileByteStream
+{
+    public function __construct()
+    {
+        $filePath = tempnam(sys_get_temp_dir(), 'FileByteStream');
+
+        if (false === $filePath) {
+            throw new Swift_IoException('Failed to retrieve temporary file name.');
+        }
+
+        parent::__construct($filePath, true);
+    }
+
+    public function getContent()
+    {
+        if (false === ($content = file_get_contents($this->getPath()))) {
+            throw new Swift_IoException('Failed to get temporary file content.');
+        }
+
+        return $content;
+    }
+
+    public function __destruct()
+    {
+        if (file_exists($this->getPath())) {
+            @unlink($this->getPath());
+        }
+    }
+
+    public function __sleep()
+    {
+        throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
+    }
+
+    public function __wakeup()
+    {
+        throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
+    }
+}