How to use

RequestNameHandlerInterceptorAdapter

in

com.microsoft.applicationinsights.web.spring

  @Override
  public void addInterceptors(org.springframework.web.servlet.config.annotation.InterceptorRegistry registry) {
    registry.addInterceptor(new RequestNameHandlerInterceptorAdapter());
  }
}

/**
 * This method is being invoked just before the request is forwarded the the relevant controller.
 * It should always return true, so the request will be processed in any case of failure.
 */
@Override
public boolean preHandle(HttpServletRequest request,
             HttpServletResponse response,
             Object handler) throws Exception {
  try {
    RequestTelemetryContext context = ThreadContext.getRequestTelemetryContext();
    if (context == null) {
      return true;
    }
    String requestName = generateRequestName(request, handler);
    if (requestName == null) {
      return true;
    }
    context.getHttpRequestTelemetry().setName(requestName);
  } catch (Exception e) {
    InternalLogger.INSTANCE.error(
      "Failed to invoke interceptor '%s' with exception: %s.",
      this.getClass().getSimpleName(),
      e.toString());
  }
  return true;
}

@Test
public void testAdapterReturnTrueWhenExceptionIsThrown() throws Exception {
  HttpServletRequest request = mock(HttpServletRequest.class);
  Mockito.doAnswer(new Answer() {
    @Override
    public Object answer(InvocationOnMock invocation) throws Throwable {
      throw new Exception("FATAL!");
    }
  }).when(request).getMethod();
  boolean result = interceptorAdapter.preHandle(request, null, handlerMethod);
  Assert.assertTrue("Adapter should return true.", result);
}

/**
 * This method is being invoked just before the request is forwarded the the relevant controller.
 * It should always return true, so the request will be processed in any case of failure.
 */
@Override
public boolean preHandle(HttpServletRequest request,
             HttpServletResponse response,
             Object handler) throws Exception {
  try {
    RequestTelemetryContext context = ThreadContext.getRequestTelemetryContext();
    if (context == null) {
      return true;
    }
    String requestName = generateRequestName(request, handler);
    if (requestName == null) {
      return true;
    }
    context.getHttpRequestTelemetry().setName(requestName);
  } catch (Exception e) {
    InternalLogger.INSTANCE.error(
      "Failed to invoke interceptor '%s' with exception: %s.",
      this.getClass().getSimpleName(),
      e.toString());
  }
  return true;
}

@Test
public void testAdapterSetRequestNameCorrectly() throws Exception {
  HttpServletRequest request = mock(HttpServletRequest.class);
  when(request.getMethod()).thenReturn(HttpMethods.GET);
  interceptorAdapter.preHandle(request, null, handlerMethod);
  String requestName = ThreadContext.getRequestTelemetryContext().getHttpRequestTelemetry().getName();
  String expectedRequestName =
      String.format("%s %s/%s", HttpMethods.GET, DEFAULT_CONTROLLER_NAME, DEFAULT_ACTION_NAME);
  Assert.assertEquals(expectedRequestName, requestName);
}

  @Override
  public void addInterceptors(org.springframework.web.servlet.config.annotation.InterceptorRegistry registry) {
    registry.addInterceptor(new RequestNameHandlerInterceptorAdapter());
  }
}

  @Test
  public void testAdapterReturnTrueWhenContextNull() throws Exception {
    ThreadContext.setRequestTelemetryContext(null);
    boolean result = interceptorAdapter.preHandle(null, null, handlerMethod);

    Assert.assertTrue("Adapter should return true.", result);
  }
}