package org.auslides.security.config;

import org.auslides.security.rest.AppErrorController;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.web.servlet.error.ErrorAttributes;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.http.converter.xml.MappingJackson2XmlHttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.text.SimpleDateFormat;
import java.util.List;

@Configuration
@EnableWebMvc
public class WebConfig extends WebMvcConfigurationSupport {
    /**
     * Setup a simple strategy: use all the defaults and return JSON by default when not sure.
     */
    @Override
    public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {
        configurer.defaultContentType(MediaType.APPLICATION_JSON_UTF8).
                mediaType("xml", MediaType.APPLICATION_JSON_UTF8).
                mediaType("json", MediaType.APPLICATION_JSON);
    }

    @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        Jackson2ObjectMapperBuilder builder = new Jackson2ObjectMapperBuilder();
        builder.indentOutput(true).dateFormat(new SimpleDateFormat("yyyy-MM-dd"));
        converters.add(new MappingJackson2HttpMessageConverter(builder.build()));
        converters.add(new MappingJackson2XmlHttpMessageConverter(builder.createXmlMapper(true).build()));
    }

    /**
     * use Jackson2ObjectMapperBuilder to customize the XML and JSON HttpMessageConverter
     */
    @Bean
    public Jackson2ObjectMapperBuilder jacksonBuilder() {
        Jackson2ObjectMapperBuilder b = new Jackson2ObjectMapperBuilder();
        b.indentOutput(true).dateFormat(new SimpleDateFormat("yyyy-MM-dd"));
        return b;
    }
}

package org.auslides.security.config;

import org.auslides.security.rest.AppErrorController;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.web.servlet.error.ErrorAttributes;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.http.converter.xml.MappingJackson2XmlHttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.text.SimpleDateFormat;
import java.util.List;

@Configuration
@EnableWebMvc
public class WebConfig extends WebMvcConfigurationSupport {
    /**
     * Setup a simple strategy: use all the defaults and return JSON by default when not sure.
     */
    @Override
    public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {
        configurer.defaultContentType(MediaType.APPLICATION_JSON).
                mediaType("xml", MediaType.APPLICATION_XML).
                mediaType("json", MediaType.APPLICATION_JSON);
    }

    @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        Jackson2ObjectMapperBuilder builder = new Jackson2ObjectMapperBuilder();
        builder.indentOutput(true).dateFormat(new SimpleDateFormat("yyyy-MM-dd"));
        converters.add(new MappingJackson2HttpMessageConverter(builder.build()));
        converters.add(new MappingJackson2XmlHttpMessageConverter(builder.createXmlMapper(true).build()));
    }

    /**
     * use Jackson2ObjectMapperBuilder to customize the XML and JSON HttpMessageConverter
     */
    @Bean
    public Jackson2ObjectMapperBuilder jacksonBuilder() {
        Jackson2ObjectMapperBuilder b = new Jackson2ObjectMapperBuilder();
        b.indentOutput(true).dateFormat(new SimpleDateFormat("yyyy-MM-dd"));
        return b;
    }
}

upgrade to use Shiro 1.7 and Spring 2.x