package au.net.causal.projo.prefs.jodatime;
import org.joda.time.LocalTime;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.DateTimeFormatterBuilder;
import org.joda.time.format.ISODateTimeFormat;
import au.net.causal.projo.prefs.PreferencesException;
import au.net.causal.projo.prefs.transform.GenericToStringTransformer;
public class LocalTimeToStringTransformer extends GenericToStringTransformer<LocalTime>
{
private final DateTimeFormatter formatter;
public LocalTimeToStringTransformer(DateTimeFormatter formatter)
{
super(LocalTime.class);
if (formatter == null)
throw new NullPointerException("formatter == null");
this.formatter = formatter;
}
public LocalTimeToStringTransformer()
{
//this(ISODateTimeFormat.localDateOptionalTimeParser());
this(new DateTimeFormatterBuilder().append(ISODateTimeFormat.time().getPrinter(), ISODateTimeFormat.localTimeParser().getParser()).toFormatter());
}
@Override
protected String valueToString(LocalTime value) throws PreferencesException
{
if (value == null)
return(null);
return(value.toString(formatter));
}
@Override
protected LocalTime stringToValue(String s) throws PreferencesException
{
if (s == null)
return(null);
try
{
return(LocalTime.parse(s, formatter));
}
catch (IllegalArgumentException e)
{
//Thrown when parsing fails
throw new PreferencesException("Could not parse time '" + s + "'.", e);
}
}
}