Example MemberUpdateBuilder.class

package Objects;

import sx.blah.discord.handle.obj.IGuild;
import sx.blah.discord.handle.obj.IRole;
import sx.blah.discord.handle.obj.IUser;

import java.util.List;

/**
 * Created by Vaerys on 17/03/2017.
 */
public class MemberUpdateBuilder {
    List<IRole> roles = null;
    String nick = null;
    boolean isMuted = false;
    boolean isDeaf = false;
    String channel_id = null;

    public MemberUpdateBuilder(IUser user, IGuild guild) {
        if (user.getNicknameForGuild(guild).isPresent()){
            nick = String.valueOf(user.getNicknameForGuild(guild));
        }
        roles = user.getRolesForGuild(guild);
        isMuted = user.isMuted(guild);
        isDeaf = user.isDeaf(guild);
        channel_id = user.getConnectedVoiceChannels().get(0).getID();
    }

    public MemberUpdateBuilder withNickname(String nickname){
        this.nick = nickname;
        return this;
    }

    public MemberUpdateBuilder withRoles(List<IRole> roles){
        this.roles = roles;
        return this;
    }

    public MemberUpdateBuilder addRole(IRole role){
        boolean isFound = false;
        if (role == null) throw new NullPointerException("Role cannot be invalid.");
        for (IRole r: roles){
            if (r.getID().equals(role.getID())){
                isFound = true;
            }
        }
        if (!isFound){
            roles.add(role);
        }
        return this;
    }

    public MemberUpdateBuilder removeRole(IRole role){
        if (role == null) throw new NullPointerException("Role cannot be invalid.");
        for (int i = 0; i< roles.size();i++){
            if (roles.get(i).getID().equals(role.getID())){
                roles.remove(i);
            }
        }
        return this;
    }

    public MemberUpdateBuilder isMuted(boolean state){
        this.isMuted = state;
        return this;
    }

    public MemberUpdateBuilder isDeaf(boolean state){
        this.isDeaf = state;
        return this;
    }

    public MemberUpdateBuilder withVoiceChannelID(String id){
        this.channel_id = id;
        return this;
    }

    public MemberUpdate build(){
        //builder code im lazy;
        return null;
    }
}