<?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 'io/apiHttpRequest.php';
require_once 'io/apiCurlIO.php';
require_once 'io/apiREST.php';
require_once 'io/apiRPC.php';

/**
 * Abstract IO class
 *
 * @author Chris Chabot <chabotc@google.com>
 */
interface apiIO {

  /**
   * Called by the apiClient
   * @param apiCache $storage
   * @param apiAuth $auth
   */
  public function __construct(apiCache $storage, apiAuth $auth);

  /**
   * An utility function that first calls $this->auth->sign($request) and then executes makeRequest()
   * on that signed request. Used for when a request should be authenticated
   * @param apiHttpRequest $request
   * @return apiHttpRequest $request
   */
  public function authenticatedRequest(apiHttpRequest $request);

  /**
   * Executes a apIHttpRequest and returns the resulting populated httpRequest
   * @param apiHttpRequest $request
   * @return apiHttpRequest $request
   */
  public function makeRequest(apiHttpRequest $request);
}
