added google xoauth2 support + fixed a journaling issue

webui/google-api/cache/apiCache.php

@@ -0,0 +1,56 @@
+<?php
+/*
+ * Copyright 2008 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+require_once "apiFileCache.php";
+require_once "apiApcCache.php";
+require_once "apiMemcacheCache.php";
+
+/**
+ * Abstract storage class
+ *
+ * @author Chris Chabot <chabotc@google.com>
+ */
+abstract class apiCache {
+
+  /**
+   * Retrieves the data for the given key, or false if they
+   * key is unknown or expired
+   *
+   * @param String $key The key who's data to retrieve
+   * @param boolean|int $expiration Expiration time in seconds
+   *
+   */
+  abstract function get($key, $expiration = false);
+
+  /**
+   * Store the key => $value set. The $value is serialized
+   * by this function so can be of any type
+   *
+   * @param String $key Key of the data
+   * @param $value the data
+   */
+  abstract function set($key, $value);
+
+  /**
+   * Removes the key/data pair for the given $key
+   *
+   * @param String $key
+   */
+  abstract function delete($key);
+}
+
+