add joda serializer

autoconfig-example/pom.xml

@@ -24,5 +24,11 @@
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-web</artifactId>
  </dependency>
+ <dependency>
+ <groupId>joda-time</groupId>
+ <artifactId>joda-time</artifactId>
+ <version>2.9.4</version>
+ <optional>true</optional>
+ </dependency>
  </dependencies>
 </project>

autoconfig-example/src/main/java/no/bouvet/autoconfig/JodaTimeAutoconfig.java

@@ -0,0 +1,20 @@
+package no.bouvet.autoconfig;
+
+import com.fasterxml.jackson.databind.Module;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import org.joda.time.LocalDate;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+
+@Configuration
+@ConditionalOnClass(LocalDate.class)
+public class JodaTimeAutoconfig {
+ @Bean
+ public Module module() {
+ SimpleModule module = new SimpleModule();
+ module.addSerializer(LocalDate.class, new JodaTimeSerializer());
+ return module;
+ }
+}

autoconfig-example/src/main/java/no/bouvet/autoconfig/JodaTimeSerializer.java

@@ -0,0 +1,19 @@
+package no.bouvet.autoconfig;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonSerializer;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import org.joda.time.LocalDate;
+
+import java.io.IOException;
+
+
+public class JodaTimeSerializer extends JsonSerializer<LocalDate> {
+ @Override
+ public void serialize(LocalDate localDate, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException, JsonProcessingException {
+ jsonGenerator.writeStartObject();
+ jsonGenerator.writeStringField("time", localDate.toString());
+ jsonGenerator.writeEndObject();
+ }
+}

autoconfig-example/src/main/resources/META-INF/spring.factories

@@ -1,2 +1,2 @@
 org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
-no.bouvet.autoconfig.DebugFilterAutoconfig
+no.bouvet.autoconfig.DebugFilterAutoconfig, no.bouvet.autoconfig.JodaTimeAutoconfig

webapp/src/main/java/no/bouvet/webapp/MyController.java

@@ -1,5 +1,6 @@
 package no.bouvet.webapp;
 
+import org.joda.time.LocalDate;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -10,4 +11,9 @@ public class MyController {
  public String hello() {
  return "hello, world!";
  }
+
+ @GetMapping("/now")
+ public LocalDate now() {
+ return new LocalDate();
+ }
 }