Initial Release of the calendar plugin

dav/SabreDAV/lib/Sabre/DAV/IFile.php

@@ -0,0 +1,77 @@
+<?php
+
+/**
+ * This interface represents a file in the directory tree
+ *
+ * A file is a bit of a broad definition. In general it implies that on
+ * this specific node a PUT or GET method may be performed, to either update,
+ * or retrieve the contents of the file.
+ *
+ * @package Sabre
+ * @subpackage DAV
+ * @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
+ * @author Evert Pot (http://www.rooftopsolutions.nl/)
+ * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ */
+interface Sabre_DAV_IFile extends Sabre_DAV_INode {
+
+    /**
+     * Updates the data
+     *
+     * The data argument is a readable stream resource.
+     *
+     * After a succesful put operation, you may choose to return an ETag. The
+     * etag must always be surrounded by double-quotes. These quotes must
+     * appear in the actual string you're returning.
+     *
+     * Clients may use the ETag from a PUT request to later on make sure that
+     * when they update the file, the contents haven't changed in the mean
+     * time.
+     *
+     * If you don't plan to store the file byte-by-byte, and you return a
+     * different object on a subsequent GET you are strongly recommended to not
+     * return an ETag, and just return null.
+     *
+     * @param resource $data
+     * @return string|null
+     */
+    function put($data);
+
+    /**
+     * Returns the data
+     *
+     * This method may either return a string or a readable stream resource
+     *
+     * @return mixed
+     */
+    function get();
+
+    /**
+     * Returns the mime-type for a file
+     *
+     * If null is returned, we'll assume application/octet-stream
+     *
+     * @return string|null
+     */
+    function getContentType();
+
+    /**
+     * Returns the ETag for a file
+     *
+     * An ETag is a unique identifier representing the current version of the file. If the file changes, the ETag MUST change.
+     *
+     * Return null if the ETag can not effectively be determined
+     *
+     * @return void
+     */
+    function getETag();
+
+    /**
+     * Returns the size of the node, in bytes
+     *
+     * @return int
+     */
+    function getSize();
+
+}
+