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Spring Boot でマッピングされているURLの一覧を確認したい

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対象環境:

  • JAVA 11.0.24 (corretto-11)
  • Spring Boot v2.3.12.RELEASE

https://qiita.com/otsu-Miya/items/eac37b2720b67a58690b
を参考に、対象環境にてマッピングをlogに表示してみた。

import lombok.extern.slf4j.Slf4j;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.mvc.method.RequestMappingInfo;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;

import java.util.Map;

@Controller
@RequestMapping("/")
@Slf4j
public class HogeController {

    private final RequestMappingHandlerMapping handlerMapping;

    public HogeController(RequestMappingHandlerMapping handlerMapping) {
        this.handlerMapping = handlerMapping;
    }

    @GetMapping("test")
    public ResponseEntity<String> test() throws ClassNotFoundException {
        log.info("======= url mapping");
        Map<RequestMappingInfo, HandlerMethod> handlerMethodMap = this.handlerMapping.getHandlerMethods();
        for( Map.Entry<RequestMappingInfo, HandlerMethod> mapItem : handlerMethodMap.entrySet() ) {
            RequestMappingInfo key = mapItem.getKey();
            HandlerMethod value = mapItem.getValue();
            log.info("======= " + key.getMethodsCondition() + " " + key.getPatternsCondition() + " :: " + value);
        }

        return ResponseEntity.ok().body("OK");
    }

}

実行して /test にリクエストすれば log の設定場所に表示されるはず。json とかで返しても良かったかなと思ったけどjavaでjson返すの面倒だったことを思い出した。

面倒だな、java/spring...

spring framework の標準機能で route list 出させろよってなってる

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