/*
* Copyright (C) 2010 The Android Open Source Project
*
* 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.android.vending.licensing;
/**
* Policy used by {@link LicenseChecker} to determine whether a user should
* have access to the application.
*/
public interface Policy {
/**
* Result of a license check.
*/
public enum LicenseResponse {
/**
* User is licensed to use the app.
*/
LICENSED,
/**
* User is not licensed to use the app.
*/
NOT_LICENSED,
/**
* Retryable error. e.g. no network or application is over request
* quota.
*/
RETRY,
}
/**
* Provide results from contact with the license server. Retry counts are incremented if
* the current value of response is RETRY. Results will be used for any future policy
* decisions.
*
* @param response the result from validating the server response
* @param rawData the raw server response data, can be null for RETRY
*/
void processServerResponse(LicenseResponse response, ResponseData rawData);
/**
* Check if the user should be allowed access to the application.
*/
boolean allowAccess();
}