How to use

isRedirectViewName

method

in

org.springframework.web.servlet.mvc.method.annotation.ViewNameMethodReturnValueHandler

@Override
public void handleReturnValue(@Nullable Object returnValue, MethodParameter returnType,
    ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {
  if (returnValue instanceof CharSequence) {
    String viewName = returnValue.toString();
    mavContainer.setViewName(viewName);
    if (isRedirectViewName(viewName)) {
      mavContainer.setRedirectModelScenario(true);
    }
  }
  else if (returnValue != null){
    // should not happen
    throw new UnsupportedOperationException("Unexpected return type: " +
        returnType.getParameterType().getName() + " in method: " + returnType.getMethod());
  }
}

@Override
public void handleReturnValue(@Nullable Object returnValue, MethodParameter returnType,
    ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {
  if (returnValue instanceof CharSequence) {
    String viewName = returnValue.toString();
    mavContainer.setViewName(viewName);
    if (isRedirectViewName(viewName)) {
      mavContainer.setRedirectModelScenario(true);
    }
  }
  else if (returnValue != null){
    // should not happen
    throw new UnsupportedOperationException("Unexpected return type: " +
        returnType.getParameterType().getName() + " in method: " + returnType.getMethod());
  }
}

@Override
public void handleReturnValue(Object returnValue, MethodParameter returnType,
    ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception {
  if (returnValue instanceof CharSequence) {
    String viewName = returnValue.toString();
    mavContainer.setViewName(viewName);
    if (isRedirectViewName(viewName)) {
      mavContainer.setRedirectModelScenario(true);
    }
  }
  else if (returnValue != null){
    // should not happen
    throw new UnsupportedOperationException("Unexpected return type: " +
        returnType.getParameterType().getName() + " in method: " + returnType.getMethod());
  }
}