package task3.test; import org.junit.After; import org.junit.Before; import org.junit.Test; import task3.download.FileDownloader; import task3.download.api.ConnectionManager; import task3.download.api.DownloadListener; import task3.download.impl.ConnectionManagerImpl; public class FileDownloaderTest { boolean downloadFinished = false; @Before public void setUp() throws Exception { } @After public void tearDown() throws Exception { } @Test public void testDownload() { String url = "http://img.bizhi.sogou.com/images/1680x1050/2014/04/24/590270.jpg"; FileDownloader downloader = new FileDownloader(url); ConnectionManager cm = new ConnectionManagerImpl(); downloader.setConnectionManager(cm); downloader.setListener(new DownloadListener() { @Override public void notifyFinished() { downloadFinished = true; } }); downloader.execute(); // 等待多线程下载程序执行完毕 while (!downloadFinished) { try { System.out.println("还没有下载完成,休眠五秒"); //休眠5秒 Thread.sleep(5000); } catch (InterruptedException e) { e.printStackTrace(); } } System.out.println("下载完成!"); } }