WebMvcConfigurer

bey1548·2021년 6월 9일
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Spring

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WebMvcConfigurer 설정

import com.test.resolver.PageMethodArgumentResolver;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.Resource;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.resource.PathResourceResolver;

@Configuration
public class WebMvcConfigure implements WebMvcConfigurer{	
    // controller의 pageable parameter 처리를 위한 methodArgumentResolver bean 등록
    @Bean
    public PageMethodArgumentResolver pageMethodArgumentResolver(){
    	return new PageMethodArgumentResolver();
    }
    // controller에서 PageMethodArgumentResolver 클래스에서 methodArgumentResolver를 사용하기 위해 HandlerMethodArgumentResolver에 등록함
    @Override
    public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers){
    	argumentResolveres.add(pageMethodArgumentResolver));
    }
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry){
    	registry
        	.addResourceHandler("/**/*.css", "/**/*.html", "/**/*.js")
            .setCachePeriod(0)
            .addResourceLocations("classpath:/static/");
            // resourceChain(true)은 해당 resource에 대한 Chaining시켜줌
            // PathResourceResolver(): 요청 경로와 일치하는 주어진 위치에서 리소스를 찾으려고 시도
        registry
        	.addResourceHandler("/**")
            .setCachePeriod(0)
            .addResourceLocations("/classpath:/static/index.html")
            .resourceChain(true)
            .addResolver(new PathResourceResolver(){
            	@Override
                protected Resource getResource(String resourcePath, Resource location){
                	return location.exists()?location:null;
  		}
  	}
}
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