Examples of org.springframework.web.method.HandlerMethod

org.springframework.web.method.HandlerMethod
Encapsulates information about a bean method consisting of a {@linkplain #getMethod() method} and a {@linkplain #getBean() bean}. Provides convenient access to method parameters, the method return value, method annotations.
The class may be created with a bean instance or with a bean name (e.g. lazy bean, prototype bean). Use {@link #createWithResolvedBean()} to obtain an{@link HandlerMethod} instance with a bean instance initialized through thebean factory. @author Arjen Poutsma @author Rossen Stoyanchev @since 3.1

    if (methodInfo != null && methodInfo.getForwardPath() != null) {
      return methodInfo.getForwardPath();
    } else if (methodInfo != null && methodInfo.getHandlerMethod() != null) {
      streamResponse = configuration.isStreamResponse() || methodInfo.isStreamResponse();


      HandlerMethod handlerMethod = methodInfo.getHandlerMethod();
      try {


        ModelAndView modelAndView = null;


        if (configuration.isSynchronizeOnSession() || methodInfo.isSynchronizeOnSession()) {

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  @Override
  public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {


    if (handler instanceof HandlerMethod) {
      HandlerMethod handlerMethod = HandlerMethod.class.cast(handler);
      if (shouldIntercept(handlerMethod)) {
        return preHandleInternal(request, response, handlerMethod);
      }
    }
    return true;

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  @Override
  public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {


    if (modelAndView != null && !isRedirect(modelAndView) && handler instanceof HandlerMethod) {
      HandlerMethod handlerMethod = HandlerMethod.class.cast(handler);
      if (shouldIntercept(handlerMethod)) {


        @SuppressWarnings({ "rawtypes", "unchecked" })
        Map<String, ?> pathVariables = (Map) request.getAttribute(View.PATH_VARIABLES);
        postHandleInternal(request, response, handlerMethod, modelAndView, pathVariables);

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  @Override
  public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {


    if (handler instanceof HandlerMethod) {
      HandlerMethod handlerMethod = HandlerMethod.class.cast(handler);
      if (shouldIntercept(handlerMethod)) {
        afterCompletionInternal(request, response, handlerMethod, ex);
      }
    }
  }

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            path = path.substring(1, path.length());
          }
          this.forwardPath = "forward:" + path;
        }
      } else {
        this.handlerMethod = new HandlerMethod(beanName, context, method).createWithResolvedBean();
      }
    }


    switch (type) {
    case SIMPLE:

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    if (methodInfo != null && methodInfo.getForwardPath() != null) {
      return methodInfo.getForwardPath();
    } else if (methodInfo != null && methodInfo.getHandlerMethod() != null) {
      streamResponse = configuration.isStreamResponse() || methodInfo.isStreamResponse();


      HandlerMethod handlerMethod = methodInfo.getHandlerMethod();
      try {


        ModelAndView modelAndView = null;


        if (configuration.isSynchronizeOnSession() || methodInfo.isSynchronizeOnSession()) {

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        pluginHandlerMethods.clear();
        //We should update Web plugins before resolving handler
        pluginLoader.reloadPlugins(new TypeFilter(WebControllerPlugin.class));
        String lookupPath = getUrlPathHelper().getLookupPathForRequest(request);
        MethodAwareKey key = new MethodAwareKey(RequestMethod.valueOf(request.getMethod()), getUniformUrl(lookupPath));
        HandlerMethod handlerMethod = pluginHandlerMethods.get(key);
        if (handlerMethod != null) {
            return handlerMethod;
        } else {
            return super.getHandlerInternal(request);
        }

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    // Just get patterns from the method @RequestMapping ...
    // In the real implementation AbstractHandlerMethodMapping.handleMatch
    // should to expose the mapping info to a request attribute


    if (handler instanceof HandlerMethod) {
      HandlerMethod handlerMethod = (HandlerMethod) handler;
      RequestMapping rm = handlerMethod.getMethodAnnotation(RequestMapping.class);
      return Arrays.asList(rm.value());
    }


    return Collections.emptyList();
  }

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  public void looksUpRepositoryEntityControllerMethodCorrectly() throws Exception {


    when(mappings.exportsTopLevelResourceFor("people")).thenReturn(true);
    mockRequest = new MockHttpServletRequest("GET", "/people");


    HandlerMethod method = handlerMapping.lookupHandlerMethod("/people", mockRequest);


    assertThat(method, is(notNullValue()));
    assertThat(method.getMethod(), is(listEntitiesMethod));
  }

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    when(mappings.exportsTopLevelResourceFor("people")).thenReturn(true);
    mockRequest = new MockHttpServletRequest("GET", "/base/people");


    configuration.setBaseUri(URI.create("base"));


    HandlerMethod method = handlerMapping.lookupHandlerMethod("/base/people", mockRequest);


    assertThat(method, is(notNullValue()));
    assertThat(method.getMethod(), is(listEntitiesMethod));
  }

View Full Code Here

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