https://github.com/AzureAD/azure-activedirectory-library-for-java: Azure active directory library for Java gives you the ability to add Windows Azure Active Directory authentication to your web application with just a few lines of additional code. Using our ADAL SDKs you can quickly and easily extend your existing application to all the employees that use Windows Azure AD and Active Directory on-premises using Active Directory Federation Services, including Office365 customers.
  • MIT License
  • Microsoft Open Technologies, Inc. 
// Copyright (c) Microsoft Corporation.
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//
// This code is licensed under the MIT License.
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package com.microsoft.aad.adal4j;

enum AuthorityType {
    AAD, ADFS
}