import java.io.IOException;
import java.io.RandomAccessFile;
import com.coderising.download.api.Connection;
import com.coderising.download.api.ConnectionException;
import com.coderising.download.api.ConnectionManager;
import com.coderising.download.api.DownloadListener;
public class DownloadThread extends Thread {
private int endPos;
private int startPos;
private String url;
private String destFilePath;
private ConnectionManager connManager;
private DownloadListener downloadListener;
public DownloadThread(ConnectionManager connManager, String url, int startPos, int endPos, String destFilePath,
DownloadListener downloadListener) {
this.url = url;
this.endPos = endPos;
this.startPos = startPos;
this.connManager = connManager;
this.destFilePath = destFilePath;
this.downloadListener = downloadListener;
}
@Override
public void run() {
Connection conn = null;
RandomAccessFile randomAccessFile = null;
try {
doLog("BIN");
conn = connManager.open(url, startPos, endPos);
byte[] read = conn.read(startPos, endPos);
String _filePath = destFilePath;
if (_filePath == null || _filePath.length() == 0) {
_filePath = conn.getFileName();
}
randomAccessFile = new RandomAccessFile(_filePath, "rw");
randomAccessFile.seek(startPos);
randomAccessFile.write(read);
doLog("END");
} catch (IOException e) {
doLog("EXP");
e.printStackTrace();
} catch (ConnectionException e) {
doLog("EXP");
e.printStackTrace();
} finally {
if (randomAccessFile != null) {
try {
randomAccessFile.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (conn != null) {
conn.close();
}
if (downloadListener != null) {
downloadListener.notifyFinished();
}
}
}
private void doLog(String action) {
System.out.println(
"*********** " + action
+ " ["
+ startPos
+ "-"
+ endPos
+ "]"
+ " ***********");
}
}