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From "Dongjoon Hyun (Jira)" <j...@apache.org>
Subject [jira] [Commented] (LANG-1542) ToStringBuilder.reflectionToString - Wrong JSON format when object has a List/Array of Enum
Date Fri, 04 Sep 2020 18:45:00 GMT

    [ https://issues.apache.org/jira/browse/LANG-1542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17190884#comment-17190884
] 

Dongjoon Hyun commented on LANG-1542:
-------------------------------------

Could you add `3.9` to the Affected version, please?
{code}
$ jshell -c commons-lang3-3.9.jar
|  Welcome to JShell -- Version 11.0.8
|  For an introduction type: /help intro

jshell> public enum MyEnum { FOOD };
|  created enum MyEnum

jshell> public class Person { List<MyEnum> list = Arrays.asList(MyEnum.FOOD); }
|  created class Person

jshell> org.apache.commons.lang3.builder.ToStringBuilder.reflectionToString(new Person(),
org.apache.commons.lang3.builder.ToStringStyle.JSON_STYLE)
$4 ==> "{\"list\":[FOOD]}"
{code}

> ToStringBuilder.reflectionToString - Wrong JSON format when object has a List/Array of
Enum
> -------------------------------------------------------------------------------------------
>
>                 Key: LANG-1542
>                 URL: https://issues.apache.org/jira/browse/LANG-1542
>             Project: Commons Lang
>          Issue Type: Bug
>          Components: lang.*
>    Affects Versions: 3.10
>         Environment: Open JDK 1.8
>            Reporter: Trần Ngọc Khoa
>            Priority: Major
>             Fix For: 3.11
>
>          Time Spent: 3.5h
>  Remaining Estimate: 0h
>
> I'm trying to log an object to console with JSON style using {{ToStringBuilder.reflectionToString}} from {{commons-lang3:3.10}} but
it seems generated a wrong JSON format.
> Problem happening when I have a list of enums in my field list.
>  
> {code:java}
> This is the class:
>      public class Person {
>      private long id;
>      private String name;
>      private List<MyEnum> listEnums;
>     //getter and setter
>     public String toString(){
>      return ToStringBuilder.reflectionToString(this, ToStringStyle.JSON_STYLE); 
>     }
> }
> {code}
>   
> And {{MyEnum}}:
> {code:java}
>  public enum MyEnum {
>      FOOD,
>      SPORT,
>      BOOK,
>      MUSIC
>  }{code}
> When I call {{toString()}} of Person object. It shows like this
> {code:java}
>  {
>      "id": 1,
>      "name": "Karl",
>      "listEnums": [FRIDAY, MONDAY, TUESDAY]
>  }{code}
>   
> What I expected is:
> {code:java}
>  {
>      "id": 1,
>      "name": "Karl",
>      "listEnums": ["FRIDAY", "MONDAY", "TUESDAY"]
>  }{code}
>   



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