com.groupbyinc.common.joda.time.chrono.GJDayOfWeekDateTimeField Maven / Gradle / Ivy
/*
* Copyright 2001-2013 Stephen Colebourne
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.joda.time.chrono;
import java.util.Locale;
import org.joda.time.DateTimeConstants;
import org.joda.time.DateTimeFieldType;
import org.joda.time.DurationField;
import org.joda.time.field.PreciseDurationDateTimeField;
/**
* GJDayOfWeekDateTimeField provides time calculations for the
* day of the week component of time.
*
* @since 1.0
* @author Guy Allard
* @author Stephen Colebourne
* @author Brian S O'Neill
*/
final class GJDayOfWeekDateTimeField extends PreciseDurationDateTimeField {
/** Serialization version */
@SuppressWarnings("unused")
private static final long serialVersionUID = -3857947176719041436L;
private final BasicChronology iChronology;
/**
* Restricted constructor.
*/
GJDayOfWeekDateTimeField(BasicChronology chronology, DurationField days) {
super(DateTimeFieldType.dayOfWeek(), days);
iChronology = chronology;
}
/**
* Get the value of the specified time instant.
*
* @param instant the time instant in millis to query
* @return the day of the week extracted from the input
*/
public int get(long instant) {
return iChronology.getDayOfWeek(instant);
}
/**
* Get the textual value of the specified time instant.
*
* @param fieldValue the field value to query
* @param locale the locale to use
* @return the day of the week, such as 'Monday'
*/
public String getAsText(int fieldValue, Locale locale) {
return GJLocaleSymbols.forLocale(locale).dayOfWeekValueToText(fieldValue);
}
/**
* Get the abbreviated textual value of the specified time instant.
*
* @param fieldValue the field value to query
* @param locale the locale to use
* @return the day of the week, such as 'Mon'
*/
public String getAsShortText(int fieldValue, Locale locale) {
return GJLocaleSymbols.forLocale(locale).dayOfWeekValueToShortText(fieldValue);
}
/**
* Convert the specified text and locale into a value.
*
* @param text the text to convert
* @param locale the locale to convert using
* @return the value extracted from the text
* @throws IllegalArgumentException if the text is invalid
*/
protected int convertText(String text, Locale locale) {
return GJLocaleSymbols.forLocale(locale).dayOfWeekTextToValue(text);
}
public DurationField getRangeDurationField() {
return iChronology.weeks();
}
/**
* Get the minimum value that this field can have.
*
* @return the field's minimum value
*/
public int getMinimumValue() {
return DateTimeConstants.MONDAY;
}
/**
* Get the maximum value that this field can have.
*
* @return the field's maximum value
*/
public int getMaximumValue() {
return DateTimeConstants.SUNDAY;
}
/**
* Get the maximum length of the text returned by this field.
*
* @param locale the locale to use
* @return the maximum textual length
*/
public int getMaximumTextLength(Locale locale) {
return GJLocaleSymbols.forLocale(locale).getDayOfWeekMaxTextLength();
}
/**
* Get the maximum length of the abbreviated text returned by this field.
*
* @param locale the locale to use
* @return the maximum abbreviated textual length
*/
public int getMaximumShortTextLength(Locale locale) {
return GJLocaleSymbols.forLocale(locale).getDayOfWeekMaxShortTextLength();
}
/**
* Serialization singleton
*/
private Object readResolve() {
return iChronology.dayOfWeek();
}
}