/**
* 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;
}
/**
* try and create a temp file in our temp dir; this
* checks that it has space and access.
* We also do some clock reporting.
*
* @param PrintStream $out
*/
private static function doReportTempDir(PrintStream $out)
{
$tempdir = PhingFile::getTempDir();
if ($tempdir == null) {
$out->println("Warning: php.tmpdir is undefined");
return;
}
$out->println("Temp dir is " . $tempdir);
$tempDirectory = new PhingFile($tempdir);
if (!$tempDirectory->exists()) {
$out->println("Warning, php.tmpdir directory does not exist: " . $tempdir);
return;
}
$now = time();
$tempFile = PhingFile::createTempFile('diag', 'txt', $tempDirectory);
$fileWriter = new FileWriter($tempFile);
$fileWriter->write('some test text');
$fileWriter->close();
$filetime = $tempFile->lastModified();
$tempFile->delete();
$out->println("Temp dir is writeable");
$drift = $filetime - $now;
$out->println("Temp dir alignment with system clock is " . $drift . " s");
if (abs($drift) > 10) {
$out->println("Warning: big clock drift -maybe a network filesystem");
}
}
