X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Ftop10%2FTop10StreamProcessor.java;h=a5a2673de5a0fd18e5e11ef5d3fc4171f00e57a0;hb=1bfbd6c6fe3c35e0cd5470db632faf1a655487af;hp=2ae3ec5f4d085668a16f5add82bba522d600e552;hpb=3731d53b7346d9a62343042b5a833c8c0c9fb36e;p=demos%2Fkafka%2Fwordcount

diff --git a/src/main/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessor.java b/src/main/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessor.java
index 2ae3ec5..a5a2673 100644
--- a/src/main/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessor.java
+++ b/src/main/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessor.java
@@ -13,6 +13,9 @@ import org.apache.kafka.streams.StreamsBuilder;
 import org.apache.kafka.streams.StreamsConfig;
 import org.springframework.boot.SpringApplication;
 import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.kafka.support.serializer.JsonDeserializer;
+import org.springframework.kafka.support.serializer.JsonSerde;
+import org.springframework.kafka.support.serializer.JsonSerializer;
 import org.springframework.stereotype.Component;
 
 import java.util.Properties;
@@ -78,8 +81,13 @@ public class Top10StreamProcessor
 		Properties props = new Properties();
 		props.put(StreamsConfig.APPLICATION_ID_CONFIG, properties.getApplicationId());
 		props.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, properties.getBootstrapServer());
-		props.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, Serdes.String().getClass().getName());
-		props.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, Serdes.String().getClass().getName());
+		props.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, JsonSerde.class.getName());
+		props.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, JsonSerde.class.getName());
+		props.put(JsonSerializer.ADD_TYPE_INFO_HEADERS, false);
+		props.put(JsonDeserializer.TRUSTED_PACKAGES, Word.class.getPackageName());
+		props.put(JsonDeserializer.KEY_DEFAULT_TYPE, Word.class.getName());
+		props.put(JsonDeserializer.VALUE_DEFAULT_TYPE, WordCount.class.getName());
+		props.put(JsonDeserializer.USE_TYPE_INFO_HEADERS, false);
 		props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
 
 		streams = new KafkaStreams(builder.build(), props);