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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.clients.producer.internals;

import org.apache.kafka.clients.producer.Callback;
import org.apache.kafka.clients.producer.RecordMetadata;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ErrorLoggingCallback implements Callback {
    private static final Logger log = LoggerFactory.getLogger(ErrorLoggingCallback.class);
    private String topic;
    private byte[] key;
    private byte[] value;
    private boolean logAsString;

    public ErrorLoggingCallback(String topic, byte[] key, byte[] value, boolean logAsString) {
        this.topic = topic;
        this.key = key;
        this.value = value;
        this.logAsString = logAsString;
    }

    public void onCompletion(RecordMetadata metadata, Exception e) {
        if (e != null) {
            String keyString = (key == null) ? "null" :
                    logAsString ? new String(key) : key.length + " bytes";
            String valueString = (value == null) ? "null" :
                    logAsString ? new String(value) : value.length + " bytes";
            log.error("Error when sending message to topic {} with key: {}, value: {} with error: {}",
                      topic, keyString, valueString, e.getMessage());
        }
    }
}




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