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package top.lshaci.framework.web.model;

import org.springframework.lang.Nullable;
import org.springframework.util.Assert;

import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import top.lshaci.framework.web.enums.ErrorCode;

/**
 * Global Exception Message
 *
 * @author lshaci
 * @since 1.0.4
 */
@Data
@Slf4j
@NoArgsConstructor
public class ExceptionMessage {

    /**
     * 异常码
     */
    private int code;
    /**
     * 自定义的异常信息
     */
    @Nullable
    private String message;
    /**
     * 异常类
     */
    @Nullable
    private Class exceptionClass;

    /**
     * 构造全局异常消息对象
     *
     * @param code 异常码
     * @param message 自定义的异常信息
     * @param exceptionClass 异常类
     */
    public ExceptionMessage(int code, String message, Class exceptionClass) {
        Assert.hasText(message, "The exception message must has text!");
        Assert.notNull(exceptionClass, "The exception class must not be null!");
        this.code = code;
        this.message = message;
        this.exceptionClass = exceptionClass;
    }

    /**
     * 构造全局异常消息对象
     *
     * @param errorCode 错误码
     */
    @SuppressWarnings("unchecked")
	public ExceptionMessage(ErrorCode errorCode) {
        Assert.notNull(errorCode, "The error code must not be null!");
        this.code = errorCode.getCode();
        this.message = errorCode.getMsg();
        try {
            this.exceptionClass = (Class) Class.forName(errorCode.getExceptionClass());
        } catch (ClassNotFoundException e) {
            log.error("Class not found! Class name is: {}", errorCode.getExceptionClass());
        }
    }

}