<?php
/*
 * Copyright 2010 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 "apiAuthNone.php";
require_once "apiOAuth.php";
require_once "apiOAuth2.php";

/**
 * Abstract class for the Authentication in the API client
 * @author Chris Chabot <chabotc@google.com>
 *
 */
abstract class apiAuth {
  public $io;

  abstract public function authenticate($service);
  abstract public function setAccessToken($accessToken);
  abstract public function setDeveloperKey($developerKey);
  abstract public function sign(apiHttpRequest $request);

  public function setIo (apiIo $io) {
    $this->io = $io;
  }
}