com.groupbyinc.common.joda.time.chrono.BasicSingleEraDateTimeField Maven / Gradle / Ivy
/*
* Copyright 2001-2005 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.DurationFieldType;
import org.joda.time.IllegalFieldValueException;
import org.joda.time.field.BaseDateTimeField;
import org.joda.time.field.FieldUtils;
import org.joda.time.field.UnsupportedDurationField;
/**
* Provides time calculations for the coptic era component of time.
*
* @author Brian S O'Neill
* @author Stephen Colebourne
* @since 1.2, refactored from CopticEraDateTimeField
*/
final class BasicSingleEraDateTimeField extends BaseDateTimeField {
/**
* Value of the era, which will be the same as DateTimeConstants.CE.
*/
private static final int ERA_VALUE = DateTimeConstants.CE;
/**
* Text value of the era.
*/
private final String iEraText;
/**
* Restricted constructor.
*/
BasicSingleEraDateTimeField(String text) {
super(DateTimeFieldType.era());
iEraText = text;
}
/** @inheritDoc */
public boolean isLenient() {
return false;
}
/** @inheritDoc */
public int get(long instant) {
return ERA_VALUE;
}
/** @inheritDoc */
public long set(long instant, int era) {
FieldUtils.verifyValueBounds(this, era, ERA_VALUE, ERA_VALUE);
return instant;
}
/** @inheritDoc */
public long set(long instant, String text, Locale locale) {
if (iEraText.equals(text) == false && "1".equals(text) == false) {
throw new IllegalFieldValueException(DateTimeFieldType.era(), text);
}
return instant;
}
/** @inheritDoc */
public long roundFloor(long instant) {
return Long.MIN_VALUE;
}
/** @inheritDoc */
public long roundCeiling(long instant) {
return Long.MAX_VALUE;
}
/** @inheritDoc */
public long roundHalfFloor(long instant) {
return Long.MIN_VALUE;
}
/** @inheritDoc */
public long roundHalfCeiling(long instant) {
return Long.MIN_VALUE;
}
/** @inheritDoc */
public long roundHalfEven(long instant) {
return Long.MIN_VALUE;
}
/** @inheritDoc */
public DurationField getDurationField() {
return UnsupportedDurationField.getInstance(DurationFieldType.eras());
}
/** @inheritDoc */
public DurationField getRangeDurationField() {
return null;
}
/** @inheritDoc */
public int getMinimumValue() {
return ERA_VALUE;
}
/** @inheritDoc */
public int getMaximumValue() {
return ERA_VALUE;
}
/** @inheritDoc */
public String getAsText(int fieldValue, Locale locale) {
return iEraText;
}
/** @inheritDoc */
public int getMaximumTextLength(Locale locale) {
return iEraText.length();
}
}