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The OpenTripPlanner multimodal journey planning system

There is a newer version: 2.6.0

package org.opentripplanner.common;

/**
 * Utility functions for logging output.
 */
public class LoggingUtil {

    public static String fileSizeToString(long n) {
        if (n >= 1_000_000_000) return String.format("%.1f GB", n/1_000_000_000.0);
        if (n >= 1_000_000) return String.format("%.1f MB", n/1_000_000.0);
        if (n >= 1_000) return String.format("%d kb", n/1_000);
        if (n == 1) return String.format("%d byte", n);
        else return String.format("%d bytes", n);
    }

}