com.ace.erp.handler.CurrentUserMethodArgumentResolver.java Source code

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Here is the source code for com.ace.erp.handler.CurrentUserMethodArgumentResolver.java

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/**
 * Copyright (c) 2009-2015 http://demi-panda.com
 *
 * Licensed 
 */
package com.ace.erp.handler;

import com.ace.erp.annotation.CurrentUser;
import org.springframework.core.MethodParameter;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.ModelAndViewContainer;

/**
 * <p>@FormModel??
 * Created with ace.
 * User: denghp
 * Date: 10/19/13
 * Time: 2:34 PM
 */
public class CurrentUserMethodArgumentResolver implements HandlerMethodArgumentResolver {

    public CurrentUserMethodArgumentResolver() {
    }

    @Override
    public boolean supportsParameter(MethodParameter parameter) {
        if (parameter.hasParameterAnnotation(CurrentUser.class)) {
            return true;
        }
        return false;
    }

    @Override
    public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
            NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {
        CurrentUser currentUserAnnotation = parameter.getParameterAnnotation(CurrentUser.class);
        return webRequest.getAttribute(currentUserAnnotation.value(), NativeWebRequest.SCOPE_REQUEST);
    }
}