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‎msk-lambda-schema-avro-java-sam/kafka_event_consumer_function/.classpath‎

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<attribute name="maven.pomderived" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="src" path="target/generated-sources/annotations">
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<attributes>
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<attribute name="optional" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="src" output="target/test-classes" path="target/generated-test-sources/test-annotations">
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<attributes>
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<attribute name="optional" value="true"/>
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<attribute name="test" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="output" path="target/classes"/>
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</classpath>

‎msk-lambda-schema-avro-java-sam/kafka_event_consumer_function/.settings/org.eclipse.core.resources.prefs‎

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eclipse.preferences.version=1
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encoding//src/main/java=UTF-8
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encoding//src/main/resources=UTF-8
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encoding//src/test/java=UTF-8
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encoding/<project>=UTF-8

‎msk-lambda-schema-avro-java-sam/kafka_event_consumer_function/.settings/org.eclipse.jdt.apt.core.prefs‎

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eclipse.preferences.version=1
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org.eclipse.jdt.apt.aptEnabled=false
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org.eclipse.jdt.apt.aptEnabled=true
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org.eclipse.jdt.apt.genSrcDir=target/generated-sources/annotations
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org.eclipse.jdt.apt.genTestSrcDir=target/generated-test-sources/test-annotations

‎msk-lambda-schema-avro-java-sam/kafka_event_consumer_function/.settings/org.eclipse.jdt.core.prefs‎

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org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
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org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
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org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
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org.eclipse.jdt.core.compiler.processAnnotations=disabled
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org.eclipse.jdt.core.compiler.processAnnotations=enabled
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org.eclipse.jdt.core.compiler.release=disabled
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org.eclipse.jdt.core.compiler.source=11

‎msk-lambda-schema-avro-java-sam/kafka_event_consumer_function/pom.xml‎

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<artifactId>avro</artifactId>
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<version>1.11.1</version>
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</dependency>
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<dependency>
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<groupId>software.amazon.lambda</groupId>
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<artifactId>powertools-kafka</artifactId>
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<version>2.1.0</version>
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</dependency>
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<dependency>
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<groupId>software.amazon.lambda</groupId>
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<artifactId>powertools-logging-log4j</artifactId>
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<version>2.1.0</version>
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</dependency>
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<!-- Kafka clients dependency - compatibility works for >= 3.0.0 -->
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<dependency>
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<groupId>org.apache.kafka</groupId>
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<artifactId>kafka-clients</artifactId>
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<version>4.0.0</version>
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</dependency>
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<!-- AspectJ Runtime for Lambda PowerTools -->
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<dependency>
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<groupId>org.aspectj</groupId>
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<artifactId>aspectjrt</artifactId>
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<version>1.9.22</version>
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</dependency>
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</dependencies>
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<build>
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<pluginManagement>
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<plugins>
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<!-- Lifecycle mapping for AspectJ plugin -->
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<plugin>
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<groupId>org.eclipse.m2e</groupId>
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<artifactId>lifecycle-mapping</artifactId>
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<version>1.0.0</version>
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<configuration>
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<lifecycleMappingMetadata>
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<pluginExecutions>
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<pluginExecution>
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<pluginExecutionFilter>
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<groupId>dev.aspectj</groupId>
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<artifactId>aspectj-maven-plugin</artifactId>
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<versionRange>[1.14,)</versionRange>
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<goals>
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<goal>compile</goal>
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</goals>
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</pluginExecutionFilter>
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<action>
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<execute>
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<runOnIncremental>true</runOnIncremental>
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</execute>
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</action>
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</pluginExecution>
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</pluginExecutions>
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</lifecycleMappingMetadata>
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</configuration>
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</plugin>
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</plugins>
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</pluginManagement>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<version>3.1.2</version>
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</plugin>
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<plugin>
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<groupId>org.apache.avro</groupId>
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<artifactId>avro-maven-plugin</artifactId>
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<version>1.11.3</version>
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<executions>
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<execution>
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<phase>generate-sources</phase>
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<goals>
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<goal>schema</goal>
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</goals>
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<configuration>
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<sourceDirectory>${project.basedir}/src/main/avro/</sourceDirectory>
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<outputDirectory>${project.basedir}/src/main/java/</outputDirectory>
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<stringType>String</stringType>
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</configuration>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>dev.aspectj</groupId>
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<artifactId>aspectj-maven-plugin</artifactId>
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<version>1.14</version>
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<configuration>
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<source>11</source> <!-- or higher -->
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<target>11</target> <!-- or higher -->
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<complianceLevel>11</complianceLevel> <!-- or higher -->
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<aspectLibraries>
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<aspectLibrary>
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<groupId>software.amazon.lambda</groupId>
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<artifactId>powertools-logging</artifactId>
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</aspectLibrary>
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</aspectLibraries>
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</configuration>
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<dependencies>
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<dependency>
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<groupId>org.aspectj</groupId>
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<artifactId>aspectjtools</artifactId>
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<!-- AspectJ compiler version, in sync with runtime -->
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<version>1.9.22</version>
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</dependency>
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</dependencies>
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<executions>
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<execution>
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<goals>
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<goal>compile</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

‎msk-lambda-schema-avro-java-sam/kafka_event_consumer_function/src/main/avro/contact.avsc‎

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{
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"type": "record",
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"name": "Contact",
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"namespace": "com.amazonaws.services.lambda.samples.events.msk",
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"fields": [
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{"name": "firstname", "type": ["null", "string"], "default": null},
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{"name": "lastname", "type": ["null", "string"], "default": null},
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{"name": "company", "type": ["null", "string"], "default": null},
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{"name": "street", "type": ["null", "string"], "default": null},
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{"name": "city", "type": ["null", "string"], "default": null},
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{"name": "county", "type": ["null", "string"], "default": null},
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{"name": "state", "type": ["null", "string"], "default": null},
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{"name": "zip", "type": ["null", "string"], "default": null},
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{"name": "homePhone", "type": ["null", "string"], "default": null},
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{"name": "cellPhone", "type": ["null", "string"], "default": null},
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{"name": "email", "type": ["null", "string"], "default": null},
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{"name": "website", "type": ["null", "string"], "default": null}
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]
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}

‎msk-lambda-schema-avro-java-sam/kafka_event_consumer_function/src/main/java/com/amazonaws/services/lambda/samples/events/msk/AvroKafkaHandler.java‎

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package com.amazonaws.services.lambda.samples.events.msk;
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import com.amazonaws.services.lambda.runtime.Context;
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import com.amazonaws.services.lambda.runtime.RequestHandler;
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import org.apache.kafka.clients.consumer.ConsumerRecord;
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import org.apache.kafka.clients.consumer.ConsumerRecords;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import software.amazon.lambda.powertools.kafka.Deserialization;
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import software.amazon.lambda.powertools.kafka.DeserializationType;
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import software.amazon.lambda.powertools.logging.Logging;
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public class AvroKafkaHandler implements RequestHandler<ConsumerRecords<String, Contact>, String> {
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private static final Logger LOGGER = LoggerFactory.getLogger(AvroKafkaHandler.class);
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@Override
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@Logging(logEvent = true)
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@Deserialization(type = DeserializationType.KAFKA_AVRO)
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public String handleRequest(ConsumerRecords<String, Contact> records, Context context) {
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LOGGER.info("=== AvroKafkaHandler called ===");
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LOGGER.info("Event object: {}", records);
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LOGGER.info("Number of records: {}", records.count());
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for (ConsumerRecord<String, Contact> record : records) {
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LOGGER.info("Processing record - Topic: {}, Partition: {}, Offset: {}",
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record.topic(), record.partition(), record.offset());
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LOGGER.info("Record key: {}", record.key());
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LOGGER.info("Record value: {}", record.value());
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if (record.value() != null) {
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Contact contact = record.value();
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LOGGER.info("Contact details - firstName: {}, zip: {}",
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contact.getFirstname(), contact.getZip());
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}
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}
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LOGGER.info("=== AvroKafkaHandler completed ===");
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return "OK";
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}
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}

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