cn.xuqiudong.common.base.model.BaseResponse Maven / Gradle / Ivy

Go to download
package cn.xuqiudong.common.base.model;

import cn.xuqiudong.common.base.enums.ResultMsg;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 返回JSON的基本格式
 *
 * @author VIC
 *
 */
public final class BaseResponse {

    private static final Logger logger = LoggerFactory.getLogger(BaseResponse.class);

    /**
     * 状态码 0为正确
     */
    private int code;

    /**
     * 错误提示信息
     */
    private String msg;

    /**
     * 数据对象
     */
    private T data;

    public static  BaseResponse error(ResultMsg msg) {
        return error(msg.getCode(), msg.getMsg());
    }

    public static  BaseResponse judge(boolean judge) {
        return judge ? success() : error();
    }

    /** 构建操作成功的对象 */
    public static  BaseResponse success(T data) {
        return new BaseResponse(0, "", data);
    }

    /** 构建操作成功的对象 */
    public static  BaseResponse success() {
        return new BaseResponse(0, "");
    }

    public static  BaseResponse error() {
        return error(999, "");
    }

    /** 构建操作失败的对象 */
    public static  BaseResponse error(String msg) {
        return error(999, msg);
    }

    /** 构建操作失败的对象 */
    public static  BaseResponse error(int code, String msg) {
        return new BaseResponse(code, msg);
    }

    /**
     * 转JSON
     */
    public String toJson() {
        try {
            return MAPPER.writeValueAsString(this);

        } catch (Exception e) {
            logger.error(e.getMessage(), e);
        }
        return "{" + "\"code\":" + code + ",\"msg\":\"" + msg + "\",\"data\":\"" + data + "\"}";
    }


    @Override
    public String toString() {
        return this.toJson();
    }

    public BaseResponse() {
    }

    private BaseResponse(int code, String msg) {
        super();
        this.code = code;
        this.msg = msg;
    }

    private BaseResponse(int code, String msg, T data) {
        super();
        this.code = code;
        this.msg = msg;
        this.data = data;
    }

    public BaseResponse appendMsg(String msg) {
        this.msg += msg;
        return this;
    }

    public int getCode() {
        return code;
    }

    public void setCode(int code) {
        this.code = code;
    }

    public String getMsg() {
        return msg;
    }

    public BaseResponse setMsg(String msg) {
        this.msg = msg;
        return this;
    }

    public T getData() {
        return data;
    }

    public BaseResponse setData(T data) {
        this.data = data;
        return this;
    }

    public boolean isSuccess() {
        return 0 == code;
    }

    private static final ObjectMapper MAPPER = new ObjectMapper();

}