/*
* -----------------------------------------------------------------------
* Copyright © 2013-2015 Meno Hochschild, <http://www.menodata.de/>
* -----------------------------------------------------------------------
* This file (UltimateFormatEngine.java) is part of project Time4J.
*
* Time4J is free software: You can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 2.1 of the License, or
* (at your option) any later version.
*
* Time4J 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Time4J. If not, see <http://www.gnu.org/licenses/>.
* -----------------------------------------------------------------------
*/
package net.time4j.i18n;
import net.time4j.Moment;
import net.time4j.PlainDate;
import net.time4j.PlainTime;
import net.time4j.engine.ChronoEntity;
import net.time4j.format.Attributes;
import net.time4j.format.DisplayMode;
import net.time4j.format.FormatEngine;
import net.time4j.format.TemporalFormatter;
import net.time4j.format.TextWidth;
import net.time4j.format.expert.ChronoFormatter;
import net.time4j.format.expert.PatternType;
import net.time4j.scale.UniversalTime;
import net.time4j.tz.ZonalOffset;
import java.util.Arrays;
import java.util.Locale;
/**
* <p>The expert format engine. </p>
*
* @author Meno Hochschild
* @since 3.1
*/
public final class UltimateFormatEngine
implements FormatEngine<PatternType> {
//~ Statische Felder/Initialisierungen --------------------------------
public static final FormatEngine<PatternType> INSTANCE = new UltimateFormatEngine();
//~ Konstruktoren -----------------------------------------------------
// for service loader only
public UltimateFormatEngine() {
super();
}
//~ Methoden ----------------------------------------------------------
@Override
public <T extends ChronoEntity<T>> TemporalFormatter<T> create(
Class<T> chronoType,
String formatPattern,
PatternType patternType,
Locale locale
) {
if (this.isSupported(chronoType)) {
return ChronoFormatter.setUp(chronoType, locale).addPattern(formatPattern, patternType).build();
} else {
throw new IllegalArgumentException("Not formattable: " + chronoType);
}
}
@Override
public TemporalFormatter<? extends UniversalTime> createRFC1123() {
return ChronoFormatter.setUp(Moment.class, Locale.ENGLISH)
.startSection(Attributes.PARSE_CASE_INSENSITIVE, Boolean.TRUE)
.startOptionalSection()
.startSection(Attributes.TEXT_WIDTH, TextWidth.ABBREVIATED)
.addText(PlainDate.DAY_OF_WEEK)
.endSection()
.addLiteral(", ")
.endSection()
.addInteger(PlainDate.DAY_OF_MONTH, 1, 2)
.addLiteral(' ')
.startSection(Attributes.TEXT_WIDTH, TextWidth.ABBREVIATED)
.addText(PlainDate.MONTH_OF_YEAR)
.endSection()
.addLiteral(' ')
.addFixedInteger(PlainDate.YEAR, 4)
.addLiteral(' ')
.addFixedInteger(PlainTime.DIGITAL_HOUR_OF_DAY, 2)
.addLiteral(':')
.addFixedInteger(PlainTime.MINUTE_OF_HOUR, 2)
.startOptionalSection()
.addLiteral(':')
.addFixedInteger(PlainTime.SECOND_OF_MINUTE, 2)
.endSection()
.addLiteral(' ')
.addTimezoneOffset(
DisplayMode.MEDIUM,
false,
Arrays.asList("GMT", "UT", "Z"))
.endSection()
.build()
.withTimezone(ZonalOffset.UTC);
}
@Override
public PatternType getDefaultPatternType() {
return PatternType.CLDR;
}
@Override
public boolean isSupported(Class<?> chronoType) {
return ChronoEntity.class.isAssignableFrom(chronoType);
}
}