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Java example source code file (

This example Java source code file ( is included in the "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

chronology, converter, object, periodconverter, periodtype

The Java example source code

 *  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
 *  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 org.joda.time.Chronology;
import org.joda.time.PeriodType;
import org.joda.time.ReadWritablePeriod;

 * PeriodConverter defines how an object is converted to a time period.
 * @author Stephen Colebourne
 * @author Brian S O'Neill
 * @since 1.0
public interface PeriodConverter extends Converter {

     * Extracts duration values from an object of this converter's type, and
     * sets them into the given ReadWritableDuration.
     * @param period  the period to modify
     * @param object  the object to convert, must not be null
     * @param chrono  the chronology to use, must not be null
     * @throws ClassCastException if the object is invalid
    void setInto(ReadWritablePeriod period, Object object, Chronology chrono);

     * Selects a suitable period type for the given object.
     * @param object  the object to examine, must not be null
     * @return the period type, never null
     * @throws ClassCastException if the object is invalid
    PeriodType getPeriodType(Object object);


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