java/com/google/ipc/invalidation/ticl/android/AndroidHttpConstants.java

/*
 * Copyright 2011 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.
 */

package com.google.ipc.invalidation.ticl.android;

/**
 * Defines shared constants values used in the Android Invalidation HTTP interface.
 *
 */
public class AndroidHttpConstants {

  /** The URL of the invalidation channel service */
  public static final String CHANNEL_URL = "https://clients4.google.com/";

  /** The MIME content type to use for requests that contain binary protobuf */
  public static final String PROTO_CONTENT_TYPE = "application/x-protobuffer";

  /** The relative URL to use to send inbound client requests to the Android frontend */
  public static final String REQUEST_URL = "/invalidation/android/request/";

  /**
   * The name of the query parameter that contains the service name that should be used to
   * validate the authentication token provided with the request.
   */
  public static final String SERVICE_PARAMETER = "service";

  /**
   * The name of the header that contains the echoed token. This token is included in all C2DM
   * messages to the client and is echoed back under this header on all client HTTP requests.
   */
  public static final String ECHO_HEADER = "echo-token";
}