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package com.jl.encrypt;

import com.jl.encrypt.annotate.JDecode;
import com.jl.encrypt.config.SecretKeyConfig;
import lombok.AllArgsConstructor;
import lombok.SneakyThrows;
import org.springframework.core.MethodParameter;
import org.springframework.http.HttpInputMessage;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.RequestBodyAdvice;

import java.lang.reflect.Type;

/**
 * body入参拦截
 */
@ControllerAdvice
@AllArgsConstructor
public class JRequestBodyAdvice implements RequestBodyAdvice {

    private SecretKeyConfig secretKeyConfig;

    @Override
    public boolean supports(MethodParameter methodParameter, Type type, Class> aClass) {
        return methodParameter.getMethod().isAnnotationPresent(JDecode.class) && secretKeyConfig.isOpen() ? true : false;
    }

    @Override
    @SneakyThrows
    public HttpInputMessage beforeBodyRead(HttpInputMessage inputMessage, MethodParameter parameter, Type targetType,
                                           Class> converterType) {
        if (parameter.getMethod().isAnnotationPresent(JDecode.class)) {
            return new JHttpInputMessage(inputMessage, secretKeyConfig.getAes(), secretKeyConfig.getRsa(), secretKeyConfig.isShowLog());
        }
        return inputMessage;
    }

    @Override
    public Object afterBodyRead(Object o, HttpInputMessage httpInputMessage, MethodParameter methodParameter, Type type, Class> aClass) {
        return o;
    }

    @Override
    public Object handleEmptyBody(Object o, HttpInputMessage httpInputMessage, MethodParameter methodParameter, Type type, Class> aClass) {
        return o;
    }
}