使用枚举定义常量

package com.longshine.dataaccess.common.constant;

public class ErrorCodeConstant {

public static enum Msg{
P0201E001("E001","Startup failed, : "),
P0201E002("E002","JobConfig jobID:{}  checkMetaColumnNum failed : "),
P0201E003("E003","JobConfig jobID:{}  assignNum less than or equal to zero "),
P0201E004("E004","JobConfig jobID:{}  ipList is null "),
P0201E005("E005","JobConfig jobID:{}  ip is Wrongful "),
P0201E006("E006","JobConfig jobID:{}  assignNum and ipList of num is Wrongful "),
P0201E007("E007","JobConfig jobID:{}  IntaskStrategy  strategyName  Contains Chinese characters  "),
P0201E008("E008","JobConfig jobID:{}  OuttaskStrategy  strategyName  Contains Chinese characters  "),
P0201E009("E009","JobConfig jobID:{}  IntaskStrategy  strategyName  Contains special characters "),
P0201E010("E010","JobConfig jobID:{}  OuttaskStrategy  strategyName  Contains special characters "),


P0202E001("E001","pluginId is null "),
P0202E002("E002","plugin is not exist,please check pluginId : "),
P0202E003("E003","Startup failed, : "),
P0202E004("E004","taskItemList is wrong or is null please check it's. : "),
P0202E005("E005","TaskParameter is null or The format is not correct.: "),



P0203E001("E001","load all plugins error"),
P0203E002("E002","stop all plugins error"),
P0203E003("E003","load one plugin {}  error"),
P0203E004("E004","stop one plugin {}  error"),
P0203E005("E005","start one plugin {}  error"),
P0203E006("E006","plugin directory({}) not exists"),
P0203E007("E007","start all plugins error"),
P0208E001("E001","data monitor writer zk is error"),
P0210E001("E001","writerChannel datas is null or is empty"),


P0302E001("E001","jobconfig publicsh error"),
P0302E002("E002","jobconfig({})not exists"),
P0302E003("E003","close zkClient error"),
P0302E004("E004","delete jobconfig({}) delete error"),
P0302E005("E005","load zkConfig error"),
P0302E006("E006","loadAllConfig error"),
P2301E001("E001","kafka plugin spring configuration file failed to load "),
P2303E001("E001","kafka plugin datasource failed to convert to EntityProperty class"),

P2300E001("E001","Kafka topic configuration information file does not exist "),
P2300E002("E002","Kafka consumer message failed  "),
P2305E001("E001","Kafka Failed to obtain topic  information"),

P2401E001("E001","Excel plugin resolve meta file fail"),

P2501E001("E001","Txt plugin resolve meta file fail");

private String code,value;


private Msg(String code, String value) {
this.code = code;
this.value = value;
}


public String getCode() {
return code;
}


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


public String getValue() {
return value;
}


public void setValue(String value) {
this.value = value;
}


}

}

调用时  --ErrorCodeConstant.Msg.P2501E001.getCode(), ErrorCodeConstant.Msg.P2501E001.getValue()

分别对应  "E001"和"Txt plugin resolve meta file fail"