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. 
public class com.microsoft.aad.adal4j.UserAssertion
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.microsoft.aad.adal4j.UserAssertion
  super_class: java.lang.Object
{
  private final java.lang.String assertion;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // com.microsoft.aad.adal4j.UserAssertion this
        start local 1 // java.lang.String assertion
         0: .line 40
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 41
            aload 1 /* assertion */
            invokestatic com.microsoft.aad.adal4j.StringHelper.isBlank:(Ljava/lang/String;)Z
            ifeq 3
         2: .line 42
            new java.lang.NullPointerException
            dup
            ldc "assertion"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 45
      StackMap locals: com.microsoft.aad.adal4j.UserAssertion java.lang.String
      StackMap stack:
            aload 0 /* this */
            aload 1 /* assertion */
            putfield com.microsoft.aad.adal4j.UserAssertion.assertion:Ljava/lang/String;
         4: .line 46
            return
        end local 1 // java.lang.String assertion
        end local 0 // com.microsoft.aad.adal4j.UserAssertion this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    5     0       this  Lcom/microsoft/aad/adal4j/UserAssertion;
            0    5     1  assertion  Ljava/lang/String;
    MethodParameters:
           Name  Flags
      assertion  final

  public java.lang.String getAssertion();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.microsoft.aad.adal4j.UserAssertion this
         0: .line 54
            aload 0 /* this */
            getfield com.microsoft.aad.adal4j.UserAssertion.assertion:Ljava/lang/String;
            areturn
        end local 0 // com.microsoft.aad.adal4j.UserAssertion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/microsoft/aad/adal4j/UserAssertion;
}
SourceFile: "UserAssertion.java"