fix(mdx-web): restore default message converters

mdx-web/src/main/java/com/mx/path/model/mdx/web/MdxOnDemandSerializationWebMvcConfigurer.java

@@ -20,6 +20,7 @@
 
 @Configuration
 public class MdxOnDemandSerializationWebMvcConfigurer implements WebMvcConfigurer {
+
   /**
    * List of all configured converts. All others will be removed before inserting custom MappingJackson2XmlHttpMessageConverter
    */
@@ -32,9 +33,8 @@ public class MdxOnDemandSerializationWebMvcConfigurer implements WebMvcConfigure
   }
 
   @Override
-  public final void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
-    // Get rid of unused converters
-    // These get in the way of the other
+  public final void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
+    // Filter out unwanted default converters to strictly enforce custom serialization
     List<HttpMessageConverter<?>> toRemove = converters.stream().filter(t -> !CONVERT_CLASSES.contains(t.getClass())).collect(Collectors.toCollection(ArrayList::new));
     converters.removeAll(toRemove);
 

mdx-web/src/main/java/com/mx/path/model/mdx/web/MdxSerializationConfiguration.java

@@ -1,32 +1,22 @@
 package com.mx.path.model.mdx.web;
 
-import java.util.List;
-
 import com.google.gson.Gson;
 
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.http.converter.HttpMessageConverter;
-import org.springframework.http.converter.json.GsonHttpMessageConverter;
-import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
 @Configuration
-@SuppressWarnings("checkstyle:designforextension")
-public class MdxSerializationConfiguration implements WebMvcConfigurer {
-  public MdxSerializerFactoryBean gsonBeanFactory() {
-    MdxSerializerFactoryBean factory = new MdxSerializerFactoryBean();
-    return factory;
-  }
+public class MdxSerializationConfiguration {
 
+  /**
+   * Provides the customized Gson instance for the application.
+   * Spring Boot automatically detects this Bean and uses it to configure
+   * the default GsonHttpMessageConverter for all JSON serialization.
+   *
+   * @return a fully configured Gson instance
+   */
   @Bean
   public Gson gson() {
-    return gsonBeanFactory().getObject();
-  }
-
-  @Override
-  public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
-    GsonHttpMessageConverter gsonConverter = new GsonHttpMessageConverter();
-    gsonConverter.setGson(gson());
-    converters.add(gsonConverter);
+    return new MdxSerializerFactoryBean().getObject();
   }
 }

mdx-web/src/test/groovy/com/mx/path/model/mdx/web/MdxOnDemandSerializationWebMvcConfigurerTest.groovy

@@ -36,7 +36,7 @@ class MdxOnDemandSerializationWebMvcConfigurerTest extends Specification {
     ]
 
     when:
-    subject.configureMessageConverters(converters)
+    subject.extendMessageConverters(converters)
 
     then:
     verifyAll(converters) {