package com.pxshuo.se03.download;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;
import com.pxshuo.se03.download.api.Connection;
public class DownloadThread extends Thread{
Connection conn;
int startPos;
int endPos;
CyclicBarrier barrier;
String localFile;
public DownloadThread( Connection conn, int startPos, int endPos,String localFile,CyclicBarrier barrier){
this.conn = conn;
this.startPos = startPos;
this.endPos = endPos;
this.localFile = localFile;
this.barrier = barrier;
}
public void run(){
System.out.println("Begin to read [" + startPos + "-" + endPos + "]");
try {
byte[] data = conn.read(startPos, endPos);
RandomAccessFile file = new RandomAccessFile(localFile, "rw");
file.seek(startPos);
file.write(data);
file.close();
conn.close();
barrier.await();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (BrokenBarrierException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}