LabyMod / labymod-server-api

import com.google.gson.JsonElement;

import com.google.gson.JsonObject;

import lombok.AllArgsConstructor;

import lombok.Getter;

import java.util.ArrayList;

import java.util.List;

import java.util.UUID;

/**

 * An Addon represents a player's addon

 * The addons are being sent when a user joins the server

 * You can retrieve them by using LabyModPlayerJoinEvent#getAddons()

 *

 * @author Jan

 */

@AllArgsConstructor

@Getter

public class Addon {

    private UUID uuid;

    private String name;

    /**

     * Parses the addons from the INFO plugin message

     *

     * @param jsonObject the json object of the message

     * @return a list containing the message's addons

     */

    public static List<Addon> getAddons( JsonObject jsonObject ) {

        if ( !jsonObject.has( "addons" ) || !jsonObject.get( "addons" ).isJsonArray() )

            return new ArrayList<>();

        List<Addon> addons = new ArrayList<>();

        for ( JsonElement arrayElement : jsonObject.get( "addons" ).getAsJsonArray() ) {

            if ( !arrayElement.isJsonObject() )

                continue;

            JsonObject arrayObject = arrayElement.getAsJsonObject();

            if ( !arrayObject.has( "uuid" ) || !arrayObject.get( "uuid" ).isJsonPrimitive() || !arrayObject.get( "uuid" ).getAsJsonPrimitive().isString()

            } catch ( IllegalArgumentException ex ) {

                continue;

            }

            addons.add( new Addon( uuid, arrayObject.get( "name" ).getAsString() ) );

        }

        return addons;

    }

}