/**
* Creates the property mapping from the read annotation and configured mapping.
*
* @param object $obj The object.
* @param \Iphp\FileStoreBundle\Mapping\Annotation\UploadableField $field The read annotation.
* @return \Iphp\FileStoreBundle\Mapping\PropertyMapping The property mapping.
* @throws \InvalidArgumentException
*/
protected function createMapping($obj, UploadableField $field)
{
$class = $this->dataStorage->getReflectionClass($obj);
if (!array_key_exists($field->getMapping(), $this->mappings)) {
throw new \InvalidArgumentException(sprintf('No mapping named "%s" configured.', $field->getMapping()));
}
$config = $this->mappings[$field->getMapping()];
$mapping = new PropertyMapping($obj, $config, $this->container);
$mapping->setProperty($class->getProperty($field->getPropertyName()));
$mapping->setFileNameProperty($class->getProperty($field->getFileNameProperty()));
$mapping->setMappingName($field->getMapping());
return $mapping;
}