added formatter for date and date time on spring mvc and fixed template package.

Author: HugoMario

modules/swagger-codegen/src/main/resources/JavaSpring/LocalDateConverter.mustache

@@ -1,4 +1,4 @@
-package io.swagger.configuration;
+package {{configPackage}};
 
 import org.springframework.core.convert.converter.Converter;
 import org.threeten.bp.LocalDate;

modules/swagger-codegen/src/main/resources/JavaSpring/LocalDateTimeConverter.mustache

@@ -1,4 +1,4 @@
-package io.swagger.configuration;
+package {{configPackage}};
 
 import org.springframework.core.convert.converter.Converter;
 import org.threeten.bp.LocalDateTime;

modules/swagger-codegen/src/main/resources/JavaSpring/libraries/spring-mvc/swaggerUiConfiguration.mustache

@@ -82,6 +82,12 @@ public class SwaggerUiConfiguration extends WebMvcConfigurerAdapter {
     super.configureMessageConverters(converters);
   }
 
+  @Override
+  public void addFormatters(FormatterRegistry registry) {
+    registry.addConverter(new LocalDateConverter("{{#datePattern}}{{datePattern}}{{/datePattern}}{{^datePattern}}yyyy-MM-dd{{/datePattern}}"));
+    registry.addConverter(new LocalDateTimeConverter("{{#dateTimePattern}}{{dateTimePattern}}{{/dateTimePattern}}{{^dateTimePattern}}yyyy-MM-dd'T'HH:mm:ss.SSS{{/dateTimePattern}}"));
+  }
+
   @Bean
   public ObjectMapper objectMapper(){
     return builder().build();