| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.hadoop.crypto.key.kms; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.security.token.delegation.web.DelegationTokenIdentifier; |
| |
| /** |
| * Holder class for KMS delegation tokens. |
| */ |
| @InterfaceAudience.Private |
| public final class KMSDelegationToken { |
| |
| public static final String TOKEN_KIND_STR = "kms-dt"; |
| public static final Text TOKEN_KIND = new Text(TOKEN_KIND_STR); |
| |
| // Utility class is not supposed to be instantiated. |
| private KMSDelegationToken() { |
| } |
| |
| /** |
| * DelegationTokenIdentifier used for the KMS. |
| */ |
| public static class KMSDelegationTokenIdentifier |
| extends DelegationTokenIdentifier { |
| |
| public KMSDelegationTokenIdentifier() { |
| super(TOKEN_KIND); |
| } |
| |
| @Override |
| public Text getKind() { |
| return TOKEN_KIND; |
| } |
| } |
| } |