/**
* Create a temporary file in a given directory.
*
* <p>The file denoted by the returned abstract pathname did not
* exist before this method was invoked, any subsequent invocation
* of this method will yield a different file name.</p>
*
* @param string $prefix prefix before the random number.
* @param string $suffix file extension; include the '.'.
* @param PhingFile $parentDir Directory to create the temporary file in;
* sys_get_temp_dir() used if not specified.
* @param boolean $deleteOnExit whether to set the tempfile for deletion on
* normal exit.
* @param boolean $createFile true if the file must actually be created. If false
* chances exist that a file with the same name is created in the time
* between invoking this method and the moment the file is actually created.
* If possible set to true.
* @return PhingFile a File reference to the new temporary file.
* @throws BuildException
*/
public function createTempFile($prefix, $suffix, PhingFile $parentDir, $deleteOnExit = false, $createFile = false)
{
$result = null;
$parent = $parentDir === null ? sys_get_temp_dir() : $parentDir->getPath();
if ($createFile) {
try {
$result = PhingFile::createTempFile($prefix, $suffix, new PhingFile($parent));
} catch (IOException $e) {
throw new BuildException("Could not create tempfile in " . $parent, $e);
}
} else {
do {
$result = new PhingFile($parent, $prefix . substr(md5(time()), 0, 8) . $suffix);
} while ($result->exists());
}
if ($deleteOnExit) {
$result->deleteOnExit();
}
return $result;
}
