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package org.openslx.dozmod.util;
import java.text.ParseException;
import java.text.SimpleDateFormat;
public class FormatHelper {
private static final SimpleDateFormat in = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
private static final SimpleDateFormat out = new SimpleDateFormat("dd.MM.yyyy HH:mm:ss");
/**
* Convert mysql date/time format to human readable (German) format.
* If the given date is not parsable, "<invalid>" will be returned.
*
* @param dateTime yyyy-MM-dd HH:mm:ss
* @return dd.MM.yy HH:mm
*/
public static String mysqlDateToGerman(String dateTime) {
try {
return out.format(in.parse(dateTime));
} catch (ParseException e) {
return "<invalid>";
}
}
public static String byteToGigabyte(long bytes, boolean si) {
int unit = si ? 1000 : 1024;
if (bytes < unit)
return bytes + " B";
int exp = (int) (Math.log(bytes) / Math.log(unit));
String pre = (si ? "kMGTPE" : "KMGTPE").charAt(exp - 1) + (si ? "" : "i");
return String.format("%.1f %sB", bytes / Math.pow(unit, exp), pre);
}
/**
* Parse the given String as a base10 integer.
* If the string does not represent a valid integer, return the given
* default value.
*
* @param value string representation to parse to an int
* @param defaultValue fallback value if given string can't be parsed
* @return
*/
public static int parseInt(String value, int defaultValue) {
try {
return Integer.parseInt(value);
} catch (Exception e) {
return defaultValue;
}
}
}
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