com.ruijc.shiro.annotation.SessionUserArgumentResolver Maven / Gradle / Ivy

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package com.ruijc.shiro.annotation;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.subject.Subject;
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;

/**
 * {@link SessionUser}注解解析
 *
 * @author Storezhang
 */
public class SessionUserArgumentResolver implements HandlerMethodArgumentResolver {

    public boolean supportsParameter(MethodParameter parameter) {
        return parameter.hasParameterAnnotation(SessionUser.class);
    }

    public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer, NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {
        Object user = null;

        Subject subject = SecurityUtils.getSubject();
        if (supportsParameter(parameter) && subject.isAuthenticated()) {
            user = subject.getPrincipal();
        }

        return user;
    }
}