javafx.css.converter.DurationConverter Maven / Gradle / Ivy
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package javafx.css.converter;
import javafx.css.Size;
import javafx.css.ParsedValue;
import javafx.css.StyleConverter;
import javafx.scene.text.Font;
import javafx.util.Duration;
/**
* Converter to Convert a {@code Size} to {@code Duration}.
*
* @since 9
*/
public final class DurationConverter extends StyleConverter, Duration> {
// lazy, thread-safe instatiation
private static class Holder {
static final DurationConverter INSTANCE = new DurationConverter();
static final SequenceConverter SEQUENCE_INSTANCE = new SequenceConverter();
}
/**
* Gets the {@code DurationConverter} instance.
* @return the {@code DurationConverter} instance
*/
public static StyleConverter, Duration> getInstance() {
return Holder.INSTANCE;
}
private DurationConverter() {
super();
}
@Override
public Duration convert(ParsedValue, Duration> value, Font font) {
ParsedValue parsedValue = value.getValue();
Size size = parsedValue.convert(font);
double time = size.getValue();
Duration duration = null;
if (time < Double.POSITIVE_INFINITY) {
switch (size.getUnits()) {
case S: duration = Duration.seconds(time); break;
case MS: duration = Duration.millis(time); break;
default: duration = Duration.UNKNOWN;
}
} else {
duration = Duration.INDEFINITE;
}
return duration;
}
@Override
public String toString() {
return "DurationConverter";
}
/**
* Converts a sequence of parsed values to an array of {@link Duration} instances.
*
* @since 23
*/
public static final class SequenceConverter extends StyleConverter, Duration>[], Duration[]> {
/**
* Gets the {@code SequenceConverter} instance.
* @return the {@code SequenceConverter} instance
*/
public static SequenceConverter getInstance() {
return Holder.SEQUENCE_INSTANCE;
}
private SequenceConverter() {}
@Override
public Duration[] convert(
ParsedValue, Duration>[], Duration[]> value, Font font) {
ParsedValue[] values = value.getValue();
Duration[] durations = new Duration[values.length];
for (int p = 0; p < values.length; p++) {
durations[p] = values[p].convert(font);
}
return durations;
}
@Override
public String toString() {
return "Duration.SequenceConverter";
}
}
}