NB_NetPump/coffee-common/src/main/java/com/coffee/common/result/R.java

package com.coffee.common.result;

import io.swagger.annotations.ApiModelProperty;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import lombok.ToString;

import java.io.Serializable;

/**
 * 统一API响应结果封装
 *
 * @author Kevin
 */
@SuppressWarnings("ALL")
@Getter
@Setter
@ToString
@NoArgsConstructor
public class R<T> implements Serializable {

    private static final long serialVersionUID = 1L;

    /**
     * 状态码
     */
    @ApiModelProperty("状态码")
    private int code;
    /**
     * 承载数据
     */
    @ApiModelProperty("承载数据")
    private T data;
    /**
     * 返回消息
     */
    @ApiModelProperty("返回错误消息")
    private String msg;

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

    private R(IResultCode resultCode) {
        this(resultCode, null, resultCode.getMessage());
    }

    private R(IResultCode resultCode, T data) {
        this(resultCode, data, resultCode.getMessage());
    }

    private R(IResultCode resultCode, String msg) {
        this(resultCode, null, msg);
    }

    private R(IResultCode resultCode, T data, String msg) {
        this(resultCode.getCode(), data, msg);
    }

    public static <T> R<T> success() {
        return new R<>(ResultCode.SUCCESS);
    }

    public static <T> R<T> success(T data) {
        return new R<>(ResultCode.SUCCESS, data);
    }

    public static <T> R<T> success(T data, String msg) {
        return new R<>(ResultCode.SUCCESS, data, msg);
    }

    public static <T> R<T> fail(String msg) {
        return new R<>(ResultCode.FAILURE, msg);
    }

    public static <T> R<T> result(IResultCode resultCode) {
        return new R<>(resultCode);
    }

    public static <T> R<T> result(IResultCode resultCode, T data) {
        return new R<>(resultCode, data);
    }

    public static <T> R<T> result(IResultCode resultCode, T data, String msg) {
        return new R<>(resultCode, data, msg);
    }

    public static <T> R<T> result(int code, String msg) {
        return new R<>(code, null, msg);
    }

    public static <T> R<T> result(int code, T data, String msg) {
        return new R<>(code, data, msg);
    }

}