001/* 002 * flattr4j - A Java library for Flattr 003 * 004 * Copyright (C) 2014 Richard "Shred" Körber 005 * http://flattr4j.shredzone.org 006 * 007 * This program is free software: you can redistribute it and/or modify 008 * it under the terms of the GNU General Public License / GNU Lesser 009 * General Public License as published by the Free Software Foundation, 010 * either version 3 of the License, or (at your option) any later version. 011 * 012 * Licensed under the Apache License, Version 2.0 (the "License"); 013 * you may not use this file except in compliance with the License. 014 * 015 * This program is distributed in the hope that it will be useful, 016 * but WITHOUT ANY WARRANTY; without even the implied warranty of 017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 018 */ 019package org.shredzone.flattr4j.async; 020 021import java.util.concurrent.Callable; 022 023import org.shredzone.flattr4j.oauth.AccessToken; 024 025/** 026 * A {@link Callable} for a Flattr method. 027 * 028 * @author Iulius Gutberlet 029 * @author Richard "Shred" Körber 030 */ 031public interface FlattrCallable<R> extends Callable<R> { 032 033 /** 034 * Sets the {@link AccessToken} to be used if the call requires authorization. 035 * 036 * @param token 037 * {@link AccessToken}, or {@code null} if no authorization is needed 038 */ 039 void setAccessToken(AccessToken token); 040 041 /** 042 * Shortcut to set an {@link AccessToken}. 043 * 044 * @param token 045 * Access token, or {@code null} if no authorization is needed 046 */ 047 void setAccessToken(String token); 048 049 /** 050 * Gets the result of the last call. 051 */ 052 R getResult(); 053 054}