add cache entry interface

lib/private/files/cache/cacheentry.php

@@ -0,0 +1,110 @@
+<?php
+/**
+ * @author Robin Appelman <icewind@owncloud.com>>
+ *
+ * @copyright Copyright (c) 2015, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OC\Files\Cache;
+
+use OCP\Files\Cache\ICacheEntry;
+
+/**
+ * meta data for a file or folder
+ */
+class CacheEntry implements ICacheEntry, \ArrayAccess {
+	/**
+	 * @var array
+	 */
+	private $data;
+
+	public function __construct(array $data) {
+		$this->data = $data;
+	}
+
+	public function offsetSet($offset, $value) {
+		$this->data[$offset] = $value;
+	}
+
+	public function offsetExists($offset) {
+		return isset($this->data[$offset]);
+	}
+
+	public function offsetUnset($offset) {
+		unset($this->data[$offset]);
+	}
+
+	public function offsetGet($offset) {
+		if (isset($this->data[$offset])) {
+			return $this->data[$offset];
+		} else {
+			return null;
+		}
+	}
+
+	public function getId() {
+		return (int)$this->data['fileid'];
+	}
+
+	public function getStorageId() {
+		return $this->data['storage'];
+	}
+
+
+	public function getPath() {
+		return $this->data['path'];
+	}
+
+
+	public function getName() {
+		return $this->data['name'];
+	}
+
+
+	public function getMimeType() {
+		return $this->data['mimetype'];
+	}
+
+
+	public function getMimePart() {
+		return $this->data['mimepart'];
+	}
+
+	public function getSize() {
+		return $this->data['size'];
+	}
+
+	public function getMTime() {
+		return $this->data['mtime'];
+	}
+
+	public function getStorageMTime() {
+		return $this->data['storage_mtime'];
+	}
+
+	public function getEtag() {
+		return $this->data['etag'];
+	}
+
+	public function getPermissions() {
+		return $this->data['permissions'];
+	}
+
+	public function isEncrypted() {
+		return isset($this->data['encrypted']) && $this->data['encrypted'];
+	}
+}

lib/public/files/cache/icachenetry.php

@@ -0,0 +1,118 @@
+<?php
+/**
+ * @author Robin Appelman <icewind@owncloud.com>>
+ *
+ * @copyright Copyright (c) 2015, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OCP\Files\Cache;
+
+/**
+ * meta data for a file or folder
+ */
+interface ICacheEntry {
+	/**
+	 * Get the numeric id of a file
+	 *
+	 * @return int
+	 */
+	public function getId();
+
+	/**
+	 * Get the numeric id for the storage
+	 *
+	 * @return int
+	 */
+	public function getStorageId();
+
+	/**
+	 * Get the path of the file relative to the storage root
+	 *
+	 * @return string
+	 */
+	public function getPath();
+
+	/**
+	 * Get the file name
+	 *
+	 * @return string
+	 */
+	public function getName();
+
+	/**
+	 * Get the full mimetype
+	 *
+	 * @return string
+	 */
+	public function getMimeType();
+
+	/**
+	 * Get the first part of the mimetype
+	 *
+	 * @return string
+	 */
+	public function getMimePart();
+
+	/**
+	 * Get the file size in bytes
+	 *
+	 * @return int
+	 */
+	public function getSize();
+
+	/**
+	 * Get the last modified date as unix timestamp
+	 *
+	 * @return int
+	 */
+	public function getMTime();
+
+	/**
+	 * Get the last modified date on the storage as unix timestamp
+	 *
+	 * Note that when a file is updated we also update the mtime of all parent folders to make it visible to the user which folder has had updates most recently
+	 * This can differ from the mtime on the underlying storage which usually only changes when a direct child is added, removed or renamed
+	 *
+	 * @return int
+	 */
+	public function getStorageMTime();
+
+	/**
+	 * Get the etag for the file
+	 *
+	 * An etag is used for change detection of files and folders, an etag of a file changes whenever the content of the file changes
+	 * Etag for folders change whenever a file in the folder has changed
+	 *
+	 * @return string
+	 */
+	public function getEtag();
+
+	/**
+	 * Get the permissions for the file stored as bitwise combination of \OCP\PERMISSION_READ, \OCP\PERMISSION_CREATE
+	 * \OCP\PERMISSION_UPDATE, \OCP\PERMISSION_DELETE and \OCP\PERMISSION_SHARE
+	 *
+	 * @return int
+	 */
+	public function getPermissions();
+
+	/**
+	 * Check if the file is encrypted
+	 *
+	 * @return bool
+	 */
+	public function isEncrypted();
+}