SpringCloudBase/zen-web/src/main/kotlin/cn/gygxzc/envir/web/config/EnvirWebMvcConfiguration.kt

package cn.gygxzc.envir.web.config

import com.fasterxml.jackson.databind.ser.std.ToStringSerializer
import org.springframework.context.annotation.Bean
import org.springframework.context.annotation.Configuration
import org.springframework.context.annotation.Primary
import org.springframework.http.converter.HttpMessageConverter
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter
import org.springframework.web.servlet.config.annotation.EnableWebMvc
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport
import java.text.SimpleDateFormat

/**
 * Created by niantuo on 2018/9/20.
 *
 */
@Configuration
class EnvirWebMvcConfiguration : WebMvcConfigurationSupport() {

    companion object {
        const val CONVERTER_NAME = "hookMappingJackson2HttpMessageConverter"
    }

    override fun addResourceHandlers(registry: ResourceHandlerRegistry) {
        registry.addResourceHandler("swagger-ui.html")
                .addResourceLocations("classpath:/META-INF/resources/")

        registry.addResourceHandler("/webjars*")
                .addResourceLocations("classpath:/META-INF/resources/webjars/")
    }


    override fun configureMessageConverters(converters: MutableList<HttpMessageConverter<*>>) {
        converters.add(getConverter())
    }

    @Bean(CONVERTER_NAME)
    fun getConverter(): MappingJackson2HttpMessageConverter {
        return MappingJackson2HttpMessageConverter().apply {
            this.objectMapper = builder().build()
        }
    }

    @Bean
    @Primary
    fun builder(): Jackson2ObjectMapperBuilder {
        return Jackson2ObjectMapperBuilder().apply {
            serializerByType(java.lang.Long::class.java, ToStringSerializer.instance)
            serializerByType(java.lang.Long.TYPE, ToStringSerializer.instance)
            // date
            dateFormat(SimpleDateFormat("yyyy-MM-dd HH:mm:ss"))
        }
    }
}