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Apache Jena Fuseki server Kafka connector

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/*
 * 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.errors;

import java.util.Collections;
import java.util.Set;

public class TopicAuthorizationException extends AuthorizationException {
    private final Set unauthorizedTopics;

    public TopicAuthorizationException(String message, Set unauthorizedTopics) {
        super(message);
        this.unauthorizedTopics = unauthorizedTopics;
    }

    public TopicAuthorizationException(Set unauthorizedTopics) {
        this("Not authorized to access topics: " + unauthorizedTopics, unauthorizedTopics);
    }

    public TopicAuthorizationException(String message) {
        this(message, Collections.emptySet());
    }

    /**
     * Get the set of topics which failed authorization. May be empty if the set is not known
     * in the context the exception was raised in.
     *
     * @return possibly empty set of unauthorized topics
     */
    public Set unauthorizedTopics() {
        return unauthorizedTopics;
    }
}