Quick snippet to get the skin of a player by name using the Mojang api

SkinUtils.java

package net.sulfurium.sulfuriumlib.Utils;

import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;

import javax.net.ssl.HttpsURLConnection;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;

public class SkinUtils {
    public static String[] getSkin(String name) {
        String uuid;
        try {
            HttpsURLConnection connection = (HttpsURLConnection) new URL(String.format("https://api.mojang.com/users/profiles/minecraft/%s", name)).openConnection();
            if (connection.getResponseCode() == HttpsURLConnection.HTTP_OK) {
                String reply = new BufferedReader(new InputStreamReader(connection.getInputStream())).readLine();
                uuid = reply.split("\"id\":\"")[1].split("\"")[0];
            } else {
                return new String[]{null,null};
            }
        } catch (IOException e) {Logger.warn(e.toString()); return new String[]{null,null};}


        try {
            HttpsURLConnection connection = (HttpsURLConnection) new URL(String.format("https://sessionserver.mojang.com/session/minecraft/profile/%s?unsigned=false", uuid)).openConnection();
            if (connection.getResponseCode() == HttpsURLConnection.HTTP_OK) {
                String reply = readAllLines(new BufferedReader(new InputStreamReader(connection.getInputStream()))).replace("\n","").replace(" ","");
                JSONParser parser = new JSONParser();
                JSONObject json = (JSONObject) parser.parse(reply);
                JSONArray properties = (JSONArray) json.get("properties");
                JSONObject propertyTex = (JSONObject) properties.get(0);
                String skin = (String) propertyTex.get("value");
                String signature = (String) propertyTex.get("signature");
                return new String[]{skin,signature};
            } else {
                Logger.warn("Connection could not be opened (Response code " + connection.getResponseCode() + ", " + connection.getResponseMessage() + ")");
            }
        } catch (IOException | ParseException e) {Logger.warn(e.toString());}
        return new String[]{null,null};
    }

    private static String readAllLines(BufferedReader reader) throws IOException {
        StringBuilder content = new StringBuilder();
        String line;
        while ((line = reader.readLine()) != null) {content.append(line);content.append(System.lineSeparator());}
        return content.toString();
    }
}