me.tongfei.progressbar.Util Maven / Gradle / Ivy
package me.tongfei.progressbar;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.IOException;
import java.time.Duration;
/**
* @author Tongfei Chen
* @since 0.5.0
*/
class Util {
static String repeat(char c, int n) {
if (n <= 0) return "";
char[] s = new char[n];
for (int i = 0; i < n; i++) s[i] = c;
return new String(s);
}
static String formatDuration(Duration d) {
long s = d.getSeconds();
return String.format("%d:%02d:%02d", s / 3600, (s % 3600) / 60, s % 60);
}
static long getInputStreamSize(InputStream is) {
try {
if (is instanceof FileInputStream)
return ((FileInputStream) is).getChannel().size();
}
catch (IOException e) {
return -1;
}
return -1;
}
}