/**
* @return File
*/
public function getFile()
{
if ($this->file) {
return $this->file;
}
// validate
$this->validate();
// test if format supported
if ($this->supportedFormats && !in_array($this->file->getExtension(), $this->supportedFormats)) {
throw new WrongFormatException('File type not allowed');
}
// check checksum
if ($this->isChecksumValidationAllowed) {
if ($this->getExpectedChecksum() !== $this->file->getChecksum()) {
throw new WrongChecksumException('Checksum missmatch');
}
}
// build file
$this->file = $this->buildFile();
return $this->file;
}
private function buildTargetBasename(File $sourceFile, $targetFilename = null)
{
if ($targetFilename) {
$extension = $sourceFile->getExtension();
if ($extension) {
$targetBasename = $targetFilename . '.' . $extension;
} else {
$targetBasename = $targetFilename;
}
} else {
$targetBasename = $sourceFile->getOriginalBasename();
}
return $targetBasename;
}