Include only non null values during serialisation

Author: DamianDunajski

README.md

@@ -24,13 +24,13 @@ Package offers base domain classes for standardised case data structures such as
 Assuming that you have Java project scaffolding please include framework artifact as a project dependency by adding following line:
 
 ```groovy
-compile group: 'uk.gov.hmcts.reform.ccd-case-migration', name: 'processor', version: '1.0.0'
+compile group: 'uk.gov.hmcts.reform.ccd-case-migration', name: 'processor', version: '1.1.0'
 ```
 
 If you want to take advantages of standard domain classes please also include domain artifact as a project dependency by adding following line:
 
 ```groovy
-compile group: 'uk.gov.hmcts.reform.ccd-case-migration', name: 'domain', version: '1.0.0'
+compile group: 'uk.gov.hmcts.reform.ccd-case-migration', name: 'domain', version: '1.1.0'
 ```
 
 Having done above please create class that implements `uk.gov.hmcts.reform.migration.service.DataMigrationService` interface in similar way as shown below:

build.gradle

@@ -11,7 +11,7 @@ subprojects {
   apply plugin: 'com.jfrog.bintray'
 
   group = 'uk.gov.hmcts.reform.ccd-case-migration'
-  version = '1.0.0'
+  version = '1.1.0'
 
   sourceCompatibility = '11'
   targetCompatibility = '11'

modules/processor/src/main/java/uk/gov/hmcts/reform/migration/ccd/HttpMessageConverterConfiguration.java

@@ -0,0 +1,16 @@
+package uk.gov.hmcts.reform.migration.ccd;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+
+@Configuration
+public class HttpMessageConverterConfiguration {
+    @Bean
+    public MappingJackson2HttpMessageConverter converter(ObjectMapper mapper) {
+        mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+        return new MappingJackson2HttpMessageConverter(mapper);
+    }
+}