Migrate to Jackson 3

Author: olegz

pom.xml

@@ -181,10 +181,10 @@
 				<module>spring-cloud-starter-function-web</module>
 				<module>spring-cloud-starter-function-webflux</module>
 				<module>spring-cloud-function-samples</module>
-				<module>spring-cloud-function-deployer</module>
+				<!-- <module>spring-cloud-function-deployer</module> -->
 				<module>spring-cloud-function-adapters</module>
 				<module>spring-cloud-function-integration</module>
-				<module>spring-cloud-function-rsocket</module>
+				<!-- <module>spring-cloud-function-rsocket</module> -->
 				<module>spring-cloud-function-kotlin</module>
 				<module>docs</module>
 			</modules>
@@ -224,10 +224,10 @@
 				<module>spring-cloud-starter-function-web</module>
 				<module>spring-cloud-starter-function-webflux</module>
 				<module>spring-cloud-function-samples</module>
-				<module>spring-cloud-function-deployer</module>
+				<!-- <module>spring-cloud-function-deployer</module> -->
 				<module>spring-cloud-function-adapters</module>
 				<module>spring-cloud-function-integration</module>
-				<module>spring-cloud-function-rsocket</module>
+				<!-- <module>spring-cloud-function-rsocket</module> -->
 				<module>spring-cloud-function-kotlin</module>
 				<module>docs</module>
 			</modules>

spring-cloud-function-adapters/spring-cloud-function-adapter-aws/src/main/java/org/springframework/cloud/function/adapter/aws/AWSCompanionAutoConfiguration.java

@@ -16,7 +16,7 @@
 
 package org.springframework.cloud.function.adapter.aws;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
+import tools.jackson.databind.ObjectMapper;
 
 import org.springframework.cloud.function.json.JacksonMapper;
 import org.springframework.cloud.function.json.JsonMapper;

spring-cloud-function-adapters/spring-cloud-function-adapter-aws/src/main/java/org/springframework/cloud/function/adapter/aws/FunctionInvoker.java

@@ -23,9 +23,10 @@
 
 import com.amazonaws.services.lambda.runtime.Context;
 import com.amazonaws.services.lambda.runtime.RequestStreamHandler;
-import com.fasterxml.jackson.databind.MapperFeature;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import tools.jackson.databind.MapperFeature;
+import tools.jackson.databind.cfg.MapperBuilder;
 
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.cloud.function.context.FunctionCatalog;
@@ -114,7 +115,9 @@ private void start() {
 		if (this.jsonMapper instanceof JacksonMapper) {
 			((JacksonMapper) this.jsonMapper).configureObjectMapper(objectMapper -> {
 				if (!objectMapper.isEnabled(MapperFeature.ACCEPT_CASE_INSENSITIVE_PROPERTIES)) {
-					objectMapper.configure(MapperFeature.ACCEPT_CASE_INSENSITIVE_PROPERTIES, true);
+					MapperBuilder builder = objectMapper.rebuild();
+					builder.enable(MapperFeature.ACCEPT_CASE_INSENSITIVE_PROPERTIES);
+					objectMapper =  builder.build();
 				}
 			});
 		}

spring-cloud-function-adapters/spring-cloud-function-adapter-aws/src/test/java/org/springframework/cloud/function/adapter/aws/FunctionInvokerTests.java

@@ -46,13 +46,13 @@
 import com.amazonaws.services.lambda.runtime.events.SNSEvent;
 import com.amazonaws.services.lambda.runtime.events.SQSEvent;
 import com.amazonaws.services.lambda.runtime.events.ScheduledEvent;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import org.assertj.core.api.Assertions;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.mockito.Mockito;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
+import tools.jackson.databind.ObjectMapper;
 
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.cloud.function.json.JacksonMapper;

spring-cloud-function-adapters/spring-cloud-function-adapter-azure-web/pom.xml

@@ -52,9 +52,8 @@
 		    <artifactId>jakarta.servlet-api</artifactId>
 		    <scope>provided</scope>
 		</dependency>
-
 		<dependency>
-			<groupId>com.fasterxml.jackson.core</groupId>
+			<groupId>tools.jackson.core</groupId>
 			<artifactId>jackson-databind</artifactId>
 		</dependency>
 		<dependency>

spring-cloud-function-adapters/spring-cloud-function-adapter-azure/src/main/java/org/springframework/cloud/function/adapter/azure/AzureFunctionInstanceInjector.java

@@ -29,7 +29,6 @@
 import org.springframework.cloud.function.utils.FunctionClassUtils;
 import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.core.io.DefaultResourceLoader;
-import org.springframework.util.ClassUtils;
 import org.springframework.util.CollectionUtils;
 
 /**
@@ -61,11 +60,6 @@ public class AzureFunctionInstanceInjector implements FunctionInstanceInjector {
 	@Override
 	public <T> T getInstance(Class<T> functionClass) throws Exception {
 		try {
-			// Backward compatibility workaround. If the function class is of type FunctionInvoker then create plain
-			// Java instance and delegate to FunctionInvoker adaptor approach.
-			if (ClassUtils.isAssignable(FunctionInvoker.class, functionClass)) {
-				return functionClass.getDeclaredConstructor().newInstance();
-			}
 
 			initialize();