javafx.css.converter.DurationConverter Maven / Gradle / Ivy
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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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();
}
/**
* 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";
}
}