[Spring Boot] springboot 에서 jsp-config include 사용

출처 : parinote.tistory.com/30

spring의 web.xml에 설정되어 있는 전역 사용 jspf파일을 springboot java 코드로 변환하는 방법

기존코드

 <jsp-config>
       <jsp-property-group>
          <url-pattern>*.jsp</url-pattern>
          <include-prelude>/WEB-INF/views/common/layout/taglib/comTaglibs.jspf</include-prelude>
      </jsp-property-group>
   </jsp-config>

변경코드

import lombok.extern.slf4j.Slf4j;
import org.apache.catalina.Context;
import org.apache.tomcat.util.descriptor.web.JspConfigDescriptorImpl;
import org.apache.tomcat.util.descriptor.web.JspPropertyGroup;
import org.apache.tomcat.util.descriptor.web.JspPropertyGroupDescriptorImpl;
import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
import org.springframework.boot.web.servlet.server.ConfigurableServletWebServerFactory;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Component;

import java.util.Collections;

@Component
@Slf4j
public class ServletInitailizer extends SpringBootServletInitializer {

    @Bean
    public ConfigurableServletWebServerFactory configurableServletWebServerFactory ( ) {
        return new TomcatServletWebServerFactory() {
            @Override
            protected void postProcessContext(Context context) {
                super.postProcessContext(context);
                JspPropertyGroup jspPropertyGroup = new JspPropertyGroup();
                jspPropertyGroup.addUrlPattern("*.jsp");
                jspPropertyGroup.addUrlPattern("*.jspf");
                jspPropertyGroup.setPageEncoding("UTF-8");
                jspPropertyGroup.setScriptingInvalid("true");
                jspPropertyGroup.addIncludePrelude("/WEB-INF/views/common/layout/taglib/comTaglibs.jspf");
                jspPropertyGroup.setTrimWhitespace("true");
                jspPropertyGroup.setDefaultContentType("text/html");
                JspPropertyGroupDescriptorImpl jspPropertyGroupDescriptor = new JspPropertyGroupDescriptorImpl(jspPropertyGroup);
                context.setJspConfigDescriptor(new JspConfigDescriptorImpl(Collections.singletonList(jspPropertyGroupDescriptor), Collections.emptyList()));
            }
        };
    }
}