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How do I convert a Player UUID to a player username?


WaningMatrix

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Just read the title.

I'm on 1.12 and this is for client side.

I wrote a method for converting it but it doesnt work can someone tell me whats wrong or maybe some other way of how to do it?

public String getUserName(String UUID){
        String Url = "https://api.mojang.com/user/profiles/"+UUID.replace("-", "")+"/names";
        try {
            String Json = IOUtils.toString(new URL(Url));
            JsonElement Element = new JsonParser().parse(Json);
            JsonObject Object = Element.getAsJsonObject();

            return Object.get("name").getAsString();
        }
        catch (IOException e) {
            e.printStackTrace();
        }
        return "";
    }

I want it to return the latest username of a person.

Edited by WaningMatrix
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Looks familiar: 

https://bukkit.org/threads/how-to-convert-uuid-to-name-and-name-to-uuid-uising-mojang-api.460828/

 

Edit: I would avoid using capitalized names for variables. 

getAsJsonObject fails so replace that with getAsJsonArray, since that is what you are getting. 

 

Here's what it should look like with updated code: 

 

public String getUserName(String uuid){
    String url = "https://api.mojang.com/user/profiles/" + uuid.replace("-", "")+"/names";
    try {
        String json = IOUtils.toString(new URL(url));
        JsonElement element = new JsonParser().parse(json);
        JsonArray nameArray = element.getAsJsonArray();
        JsonObject nameElement = nameArray.get(nameArray.size()-1).getAsJsonObject();
        nameElement.get("name").toString();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return "";
}

 

 

 

 

Edited by lehjr
updated
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