Java File readableFileSize() Utility Method - Get file size in human readable size using SI prefix - B,KB,MB,GB,TB.
Java File readableFileSize() Utility Method - Get file size in human readable size using SI prefix - B,KB,MB,GB,TB
/**
* Given the size of a file outputs as human readable size using SI prefix.
* <i>Base 1024</i>
* @param size Size in bytes of a given File.
* @return SI String representing the file size (B,KB,MB,GB,TB).
*/
public static String readableFileSize(long size) {
if (size <= 0) {
return "0";
}
final String[] units = new String[] {
"B",
"KB",
"MB",
"GB",
"TB"
};
int digitGroups = (int)(Math.log10(size) / Math.log10(1024));
return new DecimalFormat("#,##0.#").format(size / Math.pow(1024, digitGroups)) +
" " + units[digitGroups];
}
/**
* Given the size of a file outputs as human readable size using SI prefix.
* <i>Base 1024</i>
* @param size Size in bytes of a given File.
* @return SI String representing the file size (B,KB,MB,GB,TB).
*/
public static String readableFileSize(long size) {
if (size <= 0) {
return "0";
}
final String[] units = new String[] {
"B",
"KB",
"MB",
"GB",
"TB"
};
int digitGroups = (int)(Math.log10(size) / Math.log10(1024));
return new DecimalFormat("#,##0.#").format(size / Math.pow(1024, digitGroups)) +
" " + units[digitGroups];
}
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