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Java example source code file (DelegatedDateTimeField.java)

This example Java source code file (DelegatedDateTimeField.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

datetimefield, datetimefieldtype, delegateddatetimefield, durationfield, illegalargumentexception, locale, serializable, string, the, util

The DelegatedDateTimeField.java Java example source code

/*
 *  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.field;

import java.io.Serializable;
import java.util.Locale;
import org.joda.time.DateTimeField;
import org.joda.time.DateTimeFieldType;
import org.joda.time.DurationField;
import org.joda.time.ReadablePartial;

/**
 * <code>DelegatedDateTimeField delegates each method call to the
 * date time field it wraps.
 * <p>
 * DelegatedDateTimeField is thread-safe and immutable, and its subclasses must
 * be as well.
 *
 * @author Brian S O'Neill
 * @since 1.0
 * @see DecoratedDateTimeField
 */
public class DelegatedDateTimeField extends DateTimeField implements Serializable {

    /** Serialization version */
    private static final long serialVersionUID = -4730164440214502503L;

    /** The DateTimeField being wrapped. */
    private final DateTimeField iField;
    /** The range duration. */
    private final DurationField iRangeDurationField;
    /** The override field type. */
    private final DateTimeFieldType iType;

    /**
     * Constructor.
     * 
     * @param field  the field being decorated
     */
    public DelegatedDateTimeField(DateTimeField field) {
        this(field, null);
    }

    /**
     * Constructor.
     * 
     * @param field  the field being decorated
     * @param type  the field type override
     */
    public DelegatedDateTimeField(DateTimeField field, DateTimeFieldType type) {
        this(field, null, type);
    }

    /**
     * Constructor.
     * 
     * @param field  the field being decorated
     * @param rangeField  the range field, null to derive
     * @param type  the field type override
     */
    public DelegatedDateTimeField(DateTimeField field, DurationField rangeField, DateTimeFieldType type) {
        super();
        if (field == null) {
            throw new IllegalArgumentException("The field must not be null");
        }
        iField = field;
        iRangeDurationField = rangeField;
        iType = (type == null ? field.getType() : type);
    }

    /**
     * Gets the wrapped date time field.
     * 
     * @return the wrapped DateTimeField
     */
    public final DateTimeField getWrappedField() {
        return iField;
    }

    public DateTimeFieldType getType() {
        return iType;
    }

    public String getName() {
        return iType.getName();
    }

    public boolean isSupported() {
        return iField.isSupported();
    }

    public boolean isLenient() {
        return iField.isLenient();
    }

    public int get(long instant) {
        return iField.get(instant);
    }

    public String getAsText(long instant, Locale locale) {
        return iField.getAsText(instant, locale);
    }

    public String getAsText(long instant) {
        return iField.getAsText(instant);
    }

    public String getAsText(ReadablePartial partial, int fieldValue, Locale locale) {
        return iField.getAsText(partial, fieldValue, locale);
    }

    public String getAsText(ReadablePartial partial, Locale locale) {
        return iField.getAsText(partial, locale);
    }

    public String getAsText(int fieldValue, Locale locale) {
        return iField.getAsText(fieldValue, locale);
    }

    public String getAsShortText(long instant, Locale locale) {
        return iField.getAsShortText(instant, locale);
    }

    public String getAsShortText(long instant) {
        return iField.getAsShortText(instant);
    }

    public String getAsShortText(ReadablePartial partial, int fieldValue, Locale locale) {
        return iField.getAsShortText(partial, fieldValue, locale);
    }

    public String getAsShortText(ReadablePartial partial, Locale locale) {
        return iField.getAsShortText(partial, locale);
    }

    public String getAsShortText(int fieldValue, Locale locale) {
        return iField.getAsShortText(fieldValue, locale);
    }

    public long add(long instant, int value) {
        return iField.add(instant, value);
    }

    public long add(long instant, long value) {
        return iField.add(instant, value);
    }

    public int[] add(ReadablePartial instant, int fieldIndex, int[] values, int valueToAdd) {
        return iField.add(instant, fieldIndex, values, valueToAdd);
    }

    public int[] addWrapPartial(ReadablePartial instant, int fieldIndex, int[] values, int valueToAdd) {
        return iField.addWrapPartial(instant, fieldIndex, values, valueToAdd);
    }

    public long addWrapField(long instant, int value) {
        return iField.addWrapField(instant, value);
    }

    public int[] addWrapField(ReadablePartial instant, int fieldIndex, int[] values, int valueToAdd) {
        return iField.addWrapField(instant, fieldIndex, values, valueToAdd);
    }

    public int getDifference(long minuendInstant, long subtrahendInstant) {
        return iField.getDifference(minuendInstant, subtrahendInstant);
    }

    public long getDifferenceAsLong(long minuendInstant, long subtrahendInstant) {
        return iField.getDifferenceAsLong(minuendInstant, subtrahendInstant);
    }

    public long set(long instant, int value) {
        return iField.set(instant, value);
    }

    public long set(long instant, String text, Locale locale) {
        return iField.set(instant, text, locale);
    }

    public long set(long instant, String text) {
        return iField.set(instant, text);
    }

    public int[] set(ReadablePartial instant, int fieldIndex, int[] values, int newValue) {
        return iField.set(instant, fieldIndex, values, newValue);
    }

    public int[] set(ReadablePartial instant, int fieldIndex, int[] values, String text, Locale locale) {
        return iField.set(instant, fieldIndex, values, text, locale);
    }

    public DurationField getDurationField() {
        return iField.getDurationField();
    }

    public DurationField getRangeDurationField() {
        if (iRangeDurationField != null) {
            return iRangeDurationField;
        }
        return iField.getRangeDurationField();
    }

    public boolean isLeap(long instant) {
        return iField.isLeap(instant);
    }

    public int getLeapAmount(long instant) {
        return iField.getLeapAmount(instant);
    }

    public DurationField getLeapDurationField() {
        return iField.getLeapDurationField();
    }

    public int getMinimumValue() {
        return iField.getMinimumValue();
    }

    public int getMinimumValue(long instant) {
        return iField.getMinimumValue(instant);
    }

    public int getMinimumValue(ReadablePartial instant) {
        return iField.getMinimumValue(instant);
    }

    public int getMinimumValue(ReadablePartial instant, int[] values) {
        return iField.getMinimumValue(instant, values);
    }

    public int getMaximumValue() {
        return iField.getMaximumValue();
    }

    public int getMaximumValue(long instant) {
        return iField.getMaximumValue(instant);
    }

    public int getMaximumValue(ReadablePartial instant) {
        return iField.getMaximumValue(instant);
    }

    public int getMaximumValue(ReadablePartial instant, int[] values) {
        return iField.getMaximumValue(instant, values);
    }

    public int getMaximumTextLength(Locale locale) {
        return iField.getMaximumTextLength(locale);
    }

    public int getMaximumShortTextLength(Locale locale) {
        return iField.getMaximumShortTextLength(locale);
    }

    public long roundFloor(long instant) {
        return iField.roundFloor(instant);
    }

    public long roundCeiling(long instant) {
        return iField.roundCeiling(instant);
    }

    public long roundHalfFloor(long instant) {
        return iField.roundHalfFloor(instant);
    }

    public long roundHalfCeiling(long instant) {
        return iField.roundHalfCeiling(instant);
    }

    public long roundHalfEven(long instant) {
        return iField.roundHalfEven(instant);
    }

    public long remainder(long instant) {
        return iField.remainder(instant);
    }

    public String toString() {
        return ("DateTimeField[" + getName() + ']');
    }

}

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