AuthorizationContext.java

/**
 * 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.security;

/**
 * Utility for managing a thread-local authorization header for RPC calls.
 */
public final class AuthorizationContext {
    private static final ThreadLocal<byte[]> AUTH_HEADER = new ThreadLocal<>();

    private AuthorizationContext() {}

    public static void setCurrentAuthorizationHeader(byte[] header) {
        AUTH_HEADER.set(header);
    }

    public static byte[] getCurrentAuthorizationHeader() {
        return AUTH_HEADER.get();
    }

    public static void clear() {
        AUTH_HEADER.remove();
    }
}