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 /*
  *  Copyright 2001-2006 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;
PartialConverter defines how an object is converted to a ReadablePartial.

The two methods in this interface must be called in order, as the getPartialValues method relies on the result of the getChronology method being passed in.

Author(s):
Stephen Colebourne
Since:
1.0
public interface PartialConverter extends Converter {

    
Extracts the chronology from an object of this converter's type where the time zone is specified.

Parameters:
object the object to convert
zone the specified zone to use, null means default zone
Returns:
the chronology, never null
Throws:
java.lang.ClassCastException if the object is invalid
Since:
1.3
    Chronology getChronology(Object objectDateTimeZone zone);

    
Extracts the chronology from an object of this converter's type where the chronology is specified.

Parameters:
object the object to convert
chrono the chronology to use, null usually means ISO
Returns:
the chronology, not converted to UTC/local time zone, must be non-null valid
Throws:
java.lang.ClassCastException if the object is invalid
    Chronology getChronology(Object objectChronology chrono);

    
Extracts the values of the partial from an object of this converter's type. The chrono parameter is a hint to the converter, should it require a chronology to aid in conversion.

Parameters:
fieldSource a partial that provides access to the fields. This partial may be incomplete and only getFieldType(int) should be used
object the object to convert
chrono the chronology to use, which is the non-null result of getChronology()
Returns:
the array of field values that match the fieldSource, must be non-null valid
Throws:
java.lang.ClassCastException if the object is invalid
    int[] getPartialValues(ReadablePartial fieldSourceObject objectChronology chrono);

    
Extracts the values of the partial from an object of this converter's type. The chrono parameter is a hint to the converter, should it require a chronology to aid in conversion.

Parameters:
fieldSource a partial that provides access to the fields. This partial may be incomplete and only getFieldType(int) should be used
object the object to convert
chrono the chronology to use, which is the non-null result of getChronology()
parser if converting from a String, the given parser is preferred
Returns:
the array of field values that match the fieldSource, must be non-null valid
Throws:
java.lang.ClassCastException if the object is invalid
Since:
1.3
    int[] getPartialValues(ReadablePartial fieldSourceObject objectChronology chrono,
                           DateTimeFormatter parser);
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