lburgazzoli commented on a change in pull request #842: URL: https://github.com/apache/camel-kamelets/pull/842#discussion_r830136084
########## File path: library/camel-kamelets-utils/src/main/java/org/apache/camel/kamelets/utils/serialization/kafka/KafkaHeaderDeserializer.java ########## @@ -0,0 +1,72 @@ +/* + * 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.camel.kamelets.utils.serialization.kafka; + +import java.nio.charset.StandardCharsets; +import java.util.Map; + +import org.apache.camel.Exchange; +import org.apache.camel.Processor; +import org.apache.camel.TypeConverter; +import org.apache.camel.support.SimpleTypeConverter; + +/** + * Header deserializer used in Kafka source Kamelet. Automatically converts all message headers to String. + * Uses given type converter implementation set on the Camel context to convert values. If no type converter is set + * the deserializer uses its own fallback conversion implementation. + */ +public class KafkaHeaderDeserializer implements Processor { + + @Override + public void process(Exchange exchange) throws Exception { + Map<String, Object> headers = exchange.getMessage().getHeaders(); + + TypeConverter typeConverter = exchange.getContext().getTypeConverter(); + if (typeConverter == null) { + typeConverter = new SimpleTypeConverter(true, this::convert); + } + + for (Map.Entry<String, Object> header : headers.entrySet()) { + header.setValue(typeConverter.convertTo(String.class, header.getValue())); Review comment: there are a number of headers that the kafka component adds i.e. kafka.OFFSET and other things like that, I guess those should not be converted automatically -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@camel.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
