FileDownloaderTest.java

package com.coderising.download;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import com.coderising.download.api.ConnectionManager;
import com.coderising.download.api.DownloadListener;
import com.coderising.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://localhost:8080/test.jpg";
		//url = "http://eldamian.net/wp-content/uploads/2016/11/simple-cat-drawing-cat-drawing-pictures-clipart-best-free-download.png";
		//url = "http://hdwallpaper20.com/wp-content/uploads/2016/12/friendship-wallpaper-free-Download2.jpg";
		url = "https://www.tutorialspoint.com/javaexamples/net_multisoc.htm";
		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！");
		
		

	}

}