package cn.moegezi.v2ray.node.utils;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
public class DownloadUtil {
private final String url;
private final File destFilename;
public DownloadUtil(String url, File destFilename) {
this.url = url;
this.destFilename = destFilename;
}
public void download() throws IOException {
FileOutputStream fos = new FileOutputStream(destFilename);
URLConnection connection = new URL(url).openConnection();
long fileSize = connection.getContentLengthLong();
InputStream inputStream = connection.getInputStream();
byte[] buffer = new byte[10 * 1024 * 1024];
int numberOfBytesRead;
long totalNumberOfBytesRead = 0;
ConsoleProgressBar bar = new ConsoleProgressBar();
while ((numberOfBytesRead = inputStream.read(buffer)) != -1) {
fos.write(buffer, 0, numberOfBytesRead);
totalNumberOfBytesRead += numberOfBytesRead;
bar.show(totalNumberOfBytesRead * 100 / fileSize);
}
fos.close();
inputStream.close();
}
}
