PhabricatorFileStorageFormat.php
1049feb0ed61stable

PhabricatorFileStorageFormat.php
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			<?php

			abstract class PhabricatorFileStorageFormat
			extends Phobject {

			private $file;

			final public function setFile(PhabricatorFile $file) {
			$this->file = $file;
			return $this;
			}

			final public function getFile() {
			if (!$this->file) {
			throw new PhutilInvalidStateException('setFile');
			}
			return $this->file;
			}

			abstract public function getStorageFormatName();

			abstract public function newReadIterator($raw_iterator);
			abstract public function newWriteIterator($raw_iterator);

			public function newStorageProperties() {
			return array();
			}

			final public function getStorageFormatKey() {
			return $this->getPhobjectClassConstant('FORMATKEY');
			}

			final public static function getAllFormats() {
			return id(new PhutilClassMapQuery())
			->setAncestorClass(__CLASS__)
			->setUniqueMethod('getStorageFormatKey')
			->execute();
			}

			final public static function getFormat($key) {
			$formats = self::getAllFormats();
			return idx($formats, $key);
			}

			final public static function requireFormat($key) {
			$format = self::getFormat($key);

			if (!$format) {
			throw new Exception(
			pht(
			'No file storage format with key "%s" exists.',
			$key));
			}

			return $format;
			}

			}