complexwebapplicationcontext.java

spring的源代码

	}


	public static interface MyHandler {

		public void doSomething(HttpServletRequest request) throws ServletException, IllegalAccessException;

		public long lastModified();
	}


	public static class MyHandlerAdapter extends ApplicationObjectSupport implements HandlerAdapter, Ordered {

		public int getOrder() {
			return 99;
		}

		public boolean supports(Object handler) {
			return handler != null && MyHandler.class.isAssignableFrom(handler.getClass());
		}

		public ModelAndView handle(HttpServletRequest request, HttpServletResponse response, Object delegate)
		    throws ServletException, IllegalAccessException {
			((MyHandler) delegate).doSomething(request);
			return null;
		}

		public long getLastModified(HttpServletRequest request, Object delegate) {
			return ((MyHandler) delegate).lastModified();
		}
	}


	public static class MyDummyAdapter extends ApplicationObjectSupport implements HandlerAdapter {

		public boolean supports(Object handler) {
			return handler != null && MyHandler.class.isAssignableFrom(handler.getClass());
		}

		public ModelAndView handle(HttpServletRequest request, HttpServletResponse response, Object delegate)
		    throws IOException, ServletException {
			throw new ServletException("dummy");
		}

		public long getLastModified(HttpServletRequest request, Object delegate) {
			return -1;
		}
	}


	public static class MyHandlerInterceptor1 implements HandlerInterceptor {

		public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
		    throws ServletException {
			if (request.getAttribute("test2") != null) {
				throw new ServletException("Wrong interceptor order");
			}
			request.setAttribute("test1", "test1");
			request.setAttribute("test1x", "test1x");
			request.setAttribute("test1y", "test1y");
			return true;
		}

		public void postHandle(
				HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView)
				throws ServletException {
			if (request.getAttribute("test2x") != null) {
				throw new ServletException("Wrong interceptor order");
			}
			if (!"test1x".equals(request.getAttribute("test1x"))) {
				throw new ServletException("Incorrect request attribute");
			}
			request.removeAttribute("test1x");
		}

		public void afterCompletion(
				HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
				throws ServletException {
			if (request.getAttribute("test2y") != null) {
				throw new ServletException("Wrong interceptor order");
			}
			request.removeAttribute("test1y");
		}
	}


	public static class MyHandlerInterceptor2 implements HandlerInterceptor {

		public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
		    throws ServletException {
			if (request.getAttribute("test1x") == null) {
				throw new ServletException("Wrong interceptor order");
			}
			if (request.getParameter("abort") != null) {
				return false;
			}
			request.setAttribute("test2", "test2");
			request.setAttribute("test2x", "test2x");
			request.setAttribute("test2y", "test2y");
			return true;
		}

		public void postHandle(
				HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView)
				throws ServletException {
			if (request.getParameter("noView") != null) {
				modelAndView.clear();
			}
			if (request.getAttribute("test1x") == null) {
				throw new ServletException("Wrong interceptor order");
			}
			if (!"test2x".equals(request.getAttribute("test2x"))) {
				throw new ServletException("Incorrect request attribute");
			}
			request.removeAttribute("test2x");
		}

		public void afterCompletion(
				HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
				throws Exception {
			if (request.getAttribute("test1y") == null) {
				throw new ServletException("Wrong interceptor order");
			}
			request.removeAttribute("test2y");
		}
	}


	public static class ComplexLocaleChecker implements MyHandler {

		public void doSomething(HttpServletRequest request) throws ServletException, IllegalAccessException {
			WebApplicationContext wac = RequestContextUtils.getWebApplicationContext(request);
			if (!(wac instanceof ComplexWebApplicationContext)) {
				throw new ServletException("Incorrect WebApplicationContext");
			}
			if (!(request instanceof MultipartHttpServletRequest)) {
				throw new ServletException("Not in a MultipartHttpServletRequest");
			}
			if (!(RequestContextUtils.getLocaleResolver(request) instanceof SessionLocaleResolver)) {
				throw new ServletException("Incorrect LocaleResolver");
			}
			if (!Locale.CANADA.equals(RequestContextUtils.getLocale(request))) {
				throw new ServletException("Incorrect Locale");
			}
			if (!Locale.CANADA.equals(LocaleContextHolder.getLocale())) {
				throw new ServletException("Incorrect Locale");
			}
			if (!(RequestContextUtils.getThemeResolver(request) instanceof SessionThemeResolver)) {
				throw new ServletException("Incorrect ThemeResolver");
			}
			if (!"theme".equals(RequestContextUtils.getThemeResolver(request).resolveThemeName(request))) {
				throw new ServletException("Incorrect theme name");
			}
			if (request.getParameter("fail") != null) {
				throw new ModelAndViewDefiningException(new ModelAndView("failed1"));
			}
			if (request.getParameter("access") != null) {
				throw new IllegalAccessException("illegal access");
			}
			if (request.getParameter("servlet") != null) {
				throw new ServletRequestBindingException("servlet");
			}
			if (request.getParameter("exception") != null) {
				throw new RuntimeException("servlet");
			}
		}

		public long lastModified() {
			return 99;
		}
	}


	public static class MockMultipartResolver implements MultipartResolver {

		public boolean isMultipart(HttpServletRequest request) {
			return true;
		}

		public MultipartHttpServletRequest resolveMultipart(HttpServletRequest request) throws MultipartException {
			if (request.getAttribute("fail") != null) {
				throw new MaxUploadSizeExceededException(1000);
			}
			if (request instanceof MultipartHttpServletRequest) {
				throw new IllegalStateException("Already a multipart request");
			}
			if (request.getAttribute("resolved") != null) {
				throw new IllegalStateException("Already resolved");
			}
			request.setAttribute("resolved", Boolean.TRUE);
			return new AbstractMultipartHttpServletRequest(request) {
			};
		}

		public void cleanupMultipart(MultipartHttpServletRequest request) {
			if (request.getAttribute("cleanedUp") != null) {
				throw new IllegalStateException("Already cleaned up");
			}
			request.setAttribute("cleanedUp", Boolean.TRUE);
		}
	}


	public static class TestApplicationListener implements ApplicationListener {

		public int counter = 0;

		public void onApplicationEvent(ApplicationEvent event) {
			if (event instanceof RequestHandledEvent) {
				this.counter++;
			}
		}
	}

}