kafka CloseableVerificationKeyResolver 源码
kafka CloseableVerificationKeyResolver 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/security/oauthbearer/internals/secured/CloseableVerificationKeyResolver.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.kafka.common.security.oauthbearer.internals.secured;
import java.io.Closeable;
import java.io.IOException;
import org.apache.kafka.common.security.oauthbearer.OAuthBearerValidatorCallbackHandler;
import org.jose4j.keys.resolvers.VerificationKeyResolver;
/**
* The {@link OAuthBearerValidatorCallbackHandler} uses a {@link VerificationKeyResolver} as
* part of its validation of the incoming JWT. Some of the <code>VerificationKeyResolver</code>
* implementations use resources like threads, connections, etc. that should be properly closed
* when no longer needed. Since the <code>VerificationKeyResolver</code> interface itself doesn't
* define a <code>close</code> method, we provide a means to do that here.
*
* @see OAuthBearerValidatorCallbackHandler
* @see VerificationKeyResolver
* @see Closeable
*/
public interface CloseableVerificationKeyResolver extends Initable, Closeable, VerificationKeyResolver {
/**
* Lifecycle method to perform a clean shutdown of the {@link VerificationKeyResolver}.
* This must be performed by the caller to ensure the correct state, freeing up
* and releasing any resources performed in {@link #init()}.
*
* @throws IOException Thrown on errors related to IO during closure
*/
default void close() throws IOException {
// This method left intentionally blank.
}
}
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