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/**
* Methods for files and folders treatment.
*
* @author Cyril JOUI
*/
public final class FileUtil {
/**
* @param fileSize
* file size to convert and format to string.
* @return return readable file size with selected value measure
*/
public static String getReadableFileSize(final long fileSize) {
double l = fileSize * 1D;
String s = "";
if (l < 1000) {
s = fileSize + " B";
} else {
l = l / 1024D;
if (l < 1000) {
s = l + " KB";
} else {
l = l / 1024D;
if (l < 1000) {
s = l + " MB";
} else {
l = l / 1024D;
s = l + " GB";
}
}
}
return (s.length() - s.indexOf('.') <= 3 ? s : s.substring(0, s.indexOf('.') + 3))
+ s.substring(s.indexOf(" "), s.length());
}
}
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