kmall-haikong/kmall-admin/src/main/java/com/kmall/admin/haikong/utils/Message.java

package com.kmall.admin.haikong.utils;

import com.google.common.base.Strings;

import java.io.Serializable;

/**
 * 通用消息封装
 * 
 * @ClassName: Message
 * @author yechao
 * @date 2017年5月3日 下午2:03:14
 * @author Scott Chen
 * @date 2017-09-19 16:60
 * @Description:
 */
public class Message implements Serializable {

	private static final long serialVersionUID = 4081619286503989887L;

	private boolean isSuccess;

	/**
	 * 消息代码 , 由使用者自由发挥
	 */
	private String code;
	/**
	 * 消息内容体 , 由使用者自由发挥
	 */
	private String msg;
	/**
	 * 扩展
	 */
	private Object extend;

	private Message() {
	}

	public String getCode() {
		return code;
	}
	public String getMsg() {
		return msg;
	}
	public Object getExtend() {
		return extend;
	}
	public boolean isSuccess() {
		return isSuccess;
	}

	public static Builder builder() {
		return new Builder();
	}
	public static Builder builder(String code, String msg) {
		return new Builder(code, msg);
	}
	public static Builder builder(String code, String msg, Object extend) {
		return new Builder(code, msg, extend);
	}


	//---------- 直接返回结果 ----------
	public static Message success() {
		return new Builder().build();
	}
	public static Message success(Object object) {
		Builder builder = new Builder();
		return builder.setExtend(object).build();
	}

	public static Message success(String msg) {
		return new Builder(MessageCode.SUCCESS_CODE, msg).build();
	}

	public static Message success(String msg, Object object) {
		Builder builder = new Builder(MessageCode.SUCCESS_CODE, msg, object);
		return builder.build();
	}

	public static Message success(String code, String msg, Object object) {
		Builder builder = new Builder(code, msg, object);
		return builder.build();
	}
	public static Message success(String code, String msg) {
		return new Builder(code, msg).build();
	}

	//--- 错误----------
	public static Message error() {
		return new Builder(MessageCode.ERROR_CODE, MessageCode.ERROR_MSG).build();
	}
	public static Message error(String msg) {
		return new Builder(MessageCode.ERROR_CODE, msg).build();
	}
	public static Message error(String code, String msg) {
		return new Builder(code, msg).build();
	}

	//--- 失败----------
	public static Message failed() {
		return new Builder(MessageCode.FAILED_CODE, MessageCode.FAILED_MSG).build();
	}
	public static Message failed(String msg) {
		return new Builder(MessageCode.FAILED_CODE, msg).build();
	}
	public static Message failed(String code, String msg) {
		return new Builder(code, msg).build();
	}


	/**
	 * 消息构建器类
	 */
	public static class Builder {

		private boolean isSuccess;
		private String code;
		private String msg;
		private Object extend;

		public Builder() {
			this.isSuccess = true;
			this.code = MessageCode.SUCCESS_CODE;
			this.msg = MessageCode.SUCCESS_MSG;
			this.extend = null;
		}

		public Builder(String code, String msg) {
			this.code = Strings.isNullOrEmpty(code) ? MessageCode.SUCCESS_CODE : code;
			this.msg = Strings.isNullOrEmpty(msg) ? MessageCode.SUCCESS_MSG : msg;
			this.isSuccess = this.code.equals(MessageCode.SUCCESS_CODE) ? true : false;
		}

		public Builder(String code, String msg, Object extend) {
			this.code = Strings.isNullOrEmpty(code) ? MessageCode.SUCCESS_CODE : code;
			this.msg = Strings.isNullOrEmpty(msg) ? MessageCode.SUCCESS_MSG : msg;
			this.extend = extend;
			this.isSuccess = this.code.equals(MessageCode.SUCCESS_CODE) ? true : false;
		}

		public Message build() {
			Message message = new Message();
			message.isSuccess = this.isSuccess;
			message.code = this.code;
			message.msg = this.msg;
			message.extend = this.extend;
			return message;
		}

		public void setSuccess(boolean success) {
			isSuccess = success;
		}

		public Builder setCode(String code) {
			this.code = code;
			return this;
		}

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

		public Builder setExtend(Object extend) {
			this.extend = extend;
			return this;
		}


	}

}