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Java example source code file (DateConverter.java)

This example Java source code file (DateConverter.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

abstractconverter, chronology, class, date, dateconverter, instance, instantconverter, partialconverter, util

The DateConverter.java Java example source code

/*
 *  Copyright 2001-2009 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.convert;

import java.util.Date;

import org.joda.time.Chronology;

/**
 * DateConverter converts a java util Date to an instant or partial.
 * The Date is converted to milliseconds in the ISO chronology.
 *
 * @author Stephen Colebourne
 * @since 1.0
 */
final class DateConverter extends AbstractConverter
        implements InstantConverter, PartialConverter {

    /**
     * Singleton instance.
     */
    static final DateConverter INSTANCE = new DateConverter();

    /**
     * Restricted constructor.
     */
    protected DateConverter() {
        super();
    }

    //-----------------------------------------------------------------------
    /**
     * Gets the millis, which is the Date millis value.
     * 
     * @param object  the Date to convert, must not be null
     * @param chrono  the non-null result of getChronology
     * @return the millisecond value
     * @throws NullPointerException if the object is null
     * @throws ClassCastException if the object is an invalid type
     */
    public long getInstantMillis(Object object, Chronology chrono) {
        Date date = (Date) object;
        return date.getTime();
    }

    //-----------------------------------------------------------------------
    /**
     * Returns Date.class.
     * 
     * @return Date.class
     */
    public Class<?> getSupportedType() {
        return Date.class;
    }

}

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