Java tutorial
/* * The MIT License * * Copyright 2014 noko * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package net.nokok.twitduke.core.view.async; import java.awt.Dimension; import java.awt.Image; import java.util.Optional; import javax.swing.ImageIcon; import javax.swing.JLabel; import javax.swing.OverlayLayout; import net.nokok.twitduke.components.basics.TWPanel; import twitter4j.Status; /** * RT??????2?????? * */ public class OverlayUserIcon extends TWPanel { private static final long serialVersionUID = 2484721633191391187L; private volatile Image smallIcon; public OverlayUserIcon(Status status) { setPreferredSize(new Dimension(50, 50)); Status retweetedStatus = Optional.ofNullable(status.getRetweetedStatus()) .orElseThrow(IllegalArgumentException::new); AsyncImageLoader userIconTask = new AsyncImageLoader(getProfileImageUrl(status)); AsyncImageLoader rtIconTask = new AsyncImageLoader(getProfileImageUrl(retweetedStatus)); setLayout(new OverlayLayout(this)); userIconTask.onSuccess(icon -> { Image s = icon.getImage().getScaledInstance(25, 25, Image.SCALE_DEFAULT); smallIcon = s; }); rtIconTask.onSuccess(icon -> { Image s = icon.getImage().getScaledInstance(50, 50, Image.SCALE_DEFAULT); while (smallIcon == null) { //???????add????????????????? } add(new JLabel(new ImageIcon(smallIcon))); add(new JLabel(new ImageIcon(s))); }); UIAsyncTaskPool.INSTANCE.runTask(userIconTask); UIAsyncTaskPool.INSTANCE.runTask(rtIconTask); } private String getProfileImageUrl(Status status) { return status.getUser().getProfileImageURLHttps(); } }