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記錄修行的印記

spring源碼分析（2）AnnotationMethodHandlerAdapter

public class AnnotationMethodHandlerAdapter extends WebContentGenerator
implements HandlerAdapter, Ordered, BeanFactoryAware {
//

    public ModelAndView handle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        return invokeHandlerMethod(request, response, handler);
    }

    protected ModelAndView invokeHandlerMethod(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        ServletHandlerMethodResolver methodResolver = getMethodResolver(handler);
        Method handlerMethod = methodResolver.resolveHandlerMethod(request);
        ServletHandlerMethodInvoker methodInvoker = new ServletHandlerMethodInvoker(methodResolver);
        ServletWebRequest webRequest = new ServletWebRequest(request, response);
        ExtendedModelMap implicitModel = new BindingAwareModelMap();

        Object result = methodInvoker.invokeHandlerMethod(handlerMethod, handler, webRequest, implicitModel);
        ModelAndView mav =
                methodInvoker.getModelAndView(handlerMethod, handler.getClass(), result, implicitModel, webRequest);
        methodInvoker.updateModelAttributes(handler, (mav != null ? mav.getModel() : null), implicitModel, webRequest);
        return mav;
    }

    public ModelAndView getModelAndView(Method handlerMethod, Class<?> handlerType, Object returnValue,
            ExtendedModelMap implicitModel, ServletWebRequest webRequest) throws Exception {}
}

其他

public final class Method extends Executable {
public Object invoke(Object obj, Object

args)
    throws IllegalAccessException, IllegalArgumentException,InvocationTargetException
    {
        if (!override) {
            if (!Reflection.quickCheckMemberAccess(clazz, modifiers)) {
                Class<?> caller = Reflection.getCallerClass();
                checkAccess(caller, clazz, obj, modifiers);
            }
        }
        MethodAccessor ma = methodAccessor;             // read volatile
        if (ma == null) {
            ma = acquireMethodAccessor();
        }
        return ma.invoke(obj, args);
    }
}
public class ModelMap extends LinkedHashMap<String, Object> {}

public abstract class AbstractView extends WebApplicationObjectSupport implements View, BeanNameAware {
    /**
     * Prepares the view given the specified model, merging it with static
     * attributes and a RequestContext attribute, if necessary.
     * Delegates to renderMergedOutputModel for the actual rendering.
     * @see #renderMergedOutputModel
     */
    @Override
    public void render(Map<String, ?> model, HttpServletRequest request, HttpServletResponse response) throws Exception {
        if (logger.isTraceEnabled()) {
            logger.trace("Rendering view with name '" + this.beanName + "' with model " + model +
                " and static attributes " + this.staticAttributes);
        }

        Map<String, Object> mergedModel = createMergedOutputModel(model, request, response);
        prepareResponse(request, response);
        renderMergedOutputModel(mergedModel, getRequestToExpose(request), response);
    }
}

代碼：

posted on 2018-04-11 16:40 天下閱讀(828) 評論(0) 編輯收藏引用所屬分類: Java

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相關文章: 2、Pass a string to/from Java to/from CTag(s): JNI 1、Use native code through JNI (HelloWorld) spring 官方下載地址（Spring Framework 3.2.x&Spring Framework 4.0.x） spring源碼分析（2）AnnotationMethodHandlerAdapter spring源碼分析（1）DispatcherServlet AutoCloseable,Closeable和Flushable接口 JAVA通過JNI調用本地dll Java線程Example Java和C++的不同點

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