[GitHub] [kafka] Hangleton commented on a diff in pull request #13214: KAFKA-14577: Move the scala ConsoleProducer from core to tools module

["Hangleton (via GitHub)" <gi...@apache.org>]

Hangleton commented on code in PR #13214:
URL: https://github.com/apache/kafka/pull/13214#discussion_r1100547585


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tools/src/main/java/org/apache/kafka/tools/MessageReader.java:
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@@ -0,0 +1,48 @@
+/*
+ * 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.tools;
+
+import org.apache.kafka.clients.producer.ProducerRecord;
+
+import java.io.InputStream;
+import java.util.Properties;
+
+/**
+ * Typical implementations of this interface convert data from an {@link InputStream} received via
+ * {@link MessageReader#init(InputStream, Properties)} into a {@link ProducerRecord} instance on each
+ * invocation of `{@link MessageReader#readMessage()}`.
+ *
+ * This is used by the {@link ConsoleProducer}.
+ */
+public interface MessageReader {

Review Comment:
   Note that this class is only used by the `ConsoleProducer` and has one implementation. If no further used is intended, it can be removed.



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