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/*
 * Copyright (C) 2018  Sun.Hao
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */

package lodsve.security.annotation.resolver;

import lodsve.security.annotation.CurrentAccount;
import lodsve.security.core.Account;
import lodsve.security.core.LoginAccountHolder;
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;

/**
 * 解析参数.
 *
 * @author sunhao([email protected])
 * @version V1.0
 * @createTime 2014-12-7 19:49
 */
public class CurrentAccountResolver implements HandlerMethodArgumentResolver {
    @Override
    public boolean supportsParameter(MethodParameter parameter) {
        CurrentAccount ca = parameter.getParameterAnnotation(CurrentAccount.class);
        Class clazz = parameter.getParameterType();

        return ca != null && Account.class.isAssignableFrom(clazz);
    }

    @Override
    public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer, NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {
        return LoginAccountHolder.getCurrentAccount();
    }
}