multidownload.java

用Java开发的多线程下载工具

package download;

/**
 *功能：根据下载文件信息，创建下载线程
 */
import java.io.*;
import java.net.*;

public class MultiDownLoad
{

	public DownLoadInfo myDownInfo;

	private DownLoadThread[] down;

	public MultiDownLoad(DownLoadInfo myDownInfo)
	{
		this.myDownInfo = myDownInfo;
	}

	/**
	 * 功能：创建下载线程 返回值：无
	 */
	private void startDownFile()
	{
		// 开始下载
		down = new DownLoadThread[myDownInfo.getThreadNum()];
		for (int i = 0; i < down.length; i++)
		{
			down[i] = new DownLoadThread(myDownInfo, i);
			down[i].setPriority(7);
			down[i].start();
		}
	}

	/**
	 * 功能：调度多线程下载 返回值：无
	 */
	public void MultiDown()
	{
		// 创建下载进程
		startDownFile();
		// 创建监视线程
		new ListenThread(myDownInfo, down);
	}
}