from starlette.responses import JSONResponse


def http_exception_handler(request, exception):
    return JSONResponse({"exception": "http-exception"})


def request_validation_exception_handler(request, exception):
    return JSONResponse({"exception": "request-validation"})


def server_error_exception_handler(request, exception):
    return JSONResponse(status_code=500, content={"exception": "server-error"})

     *            ルートディレクトリ。{@literal null}であってはいけません
     * @param handler
     *            クラスを処理するハンドラ。{@literal null}であってはいけません
     */
    public static void forEach(final File rootDir, final ClassHandler handler) {
        assertArgumentNotNull("rootDir", rootDir);
        assertArgumentNotNull("handler", handler);

        forEach(rootDir, null, handler);
    }

    /**
     * ファイルシステムに含まれるクラスをトラバースします。
     *

                ArtifactHandler handler = manager.getArtifactHandler(id);
                type = new DefaultType(
                        id,
                        languageRegistry.require(handler.getLanguage()),
                        handler.getExtension(),
                        handler.getClassifier(),
                        handler.isIncludesDependencies(),
                        JavaPathType.CLASSES,

  private val logs = LinkedBlockingQueue<String>()

  private val handler =
    object : Handler() {
      override fun publish(logRecord: LogRecord) {
        logs += "${logRecord.level}: ${logRecord.message}"
      }

      override fun flush() {
      }

      override fun close() {
      }
    }

  private var previousLevel: Level? = null

    public void add(final String origin, final CorsHandler handler) {
        if (logger.isDebugEnabled()) {
            logger.debug("Loaded {}", origin);
        }
        handerMap.put(origin, handler);
    }

    public CorsHandler get(final String origin) {
        final CorsHandler handler = handerMap.get(origin);
        if (handler != null) {
            return handler;
        }
        return handerMap.get("*");
    }

	}
	errFatal := func(err error) {
		t.Helper()
		if err != nil {
			t.Fatal(err)
		}
	}
	wrapServer := func(handler http.Handler) http.Handler {
		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			t.Logf("Got a %s request for: %v", r.Method, r.URL)
			handler.ServeHTTP(w, r)
		})
	}
	connReady := make(chan struct{})
	// We fake a local and remote server.
	localHost := hosts[0]

app = FastAPI()


@app.exception_handler(StarletteHTTPException)
async def http_exception_handler(request, exc):
    return PlainTextResponse(str(exc.detail), status_code=exc.status_code)


@app.exception_handler(RequestValidationError)
async def validation_exception_handler(request, exc):
    return PlainTextResponse(str(exc), status_code=400)

			t.Fatalf("Test %d: %s: Failed to create HTTP request for PutBucketPolicyHandler: <ERROR> %v", i+1, instanceType, err)
		}
		// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.
		// Call the ServeHTTP to execute the handler.
		apiRouter.ServeHTTP(recV4, reqV4)
		if recV4.Code != testCase.expectedRespStatus {

	nonLoopBackIP := getNonLoopBackIP(t)
	handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		fmt.Fprintf(w, "Hello, world")
	})

	testCases := []struct {
		addrs   []string
		handler http.Handler
		certFn  certs.GetCertificateFunc
	}{
		{[]string{"127.0.0.1:9000"}, handler, nil},
		{[]string{nonLoopBackIP + ":9000"}, handler, nil},

	// If none of the routes match add default error handler routes
	apiRouter.NotFoundHandler = collectAPIStats("notfound", httpTraceAll(errorResponseHandler))
	apiRouter.MethodNotAllowedHandler = collectAPIStats("methodnotallowed", httpTraceAll(methodNotAllowedHandler("S3")))
}

// corsHandler handler for CORS (Cross Origin Resource Sharing)
func corsHandler(handler http.Handler) http.Handler {
	commonS3Headers := []string{
		xhttp.Date,