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  /*
   *  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.goda.time.convert;
 
Converts intervals into durations of any requested period type.

Author(s):
Brian S O'Neill
Since:
1.0
 
         implements IntervalConverterDurationConverterPeriodConverter {

    
Singleton instance.
 
     static final ReadableIntervalConverter INSTANCE = new ReadableIntervalConverter();

    
Restricted constructor.
 
     protected ReadableIntervalConverter() {
         super();
     }
 
     //-----------------------------------------------------------------------
     
Gets the millisecond length of the interval.

Parameters:
object the interval
 
     public long getDurationMillis(Object object) {
         return (((ReadableIntervalobject)).toDurationMillis();
     }
 
     //-----------------------------------------------------------------------
     
Sets the values of the mutable duration from the specified interval.

Parameters:
writablePeriod the period to modify
object the interval to set from
chrono the chronology to use
 
     public void setInto(ReadWritablePeriod writablePeriodObject objectChronology chrono) {
         ReadableInterval interval = (ReadableIntervalobject;
         chrono = (chrono != null ? chrono : DateTimeUtils.getIntervalChronology(interval));
         long start = interval.getStartMillis();
         long end = interval.getEndMillis();
         int[] values = chrono.get(writablePeriodstartend);
         for (int i = 0; i < values.lengthi++) {
             writablePeriod.setValue(ivalues[i]);
         }
     }
 
     //-----------------------------------------------------------------------
     
Checks if the input is a ReadableInterval.

If it is, then the calling code should cast and copy the fields directly.

Parameters:
object the object to convert, must not be null
chrono the chronology to use, may be null
Returns:
true if the input is a ReadableInterval
Throws:
java.lang.ClassCastException if the object is invalid
 
     public boolean isReadableInterval(Object objectChronology chrono) {
         return true;
     }

    
Extracts interval endpoint values from an object of this converter's type, and sets them into the given ReadWritableInterval.

Parameters:
writableInterval interval to get modified, not null
object the object to convert, must not be null
chrono the chronology to use, may be null
Throws:
java.lang.ClassCastException if the object is invalid
 
     public void setInto(ReadWritableInterval writableIntervalObject objectChronology chrono) {
         ReadableInterval input = (ReadableIntervalobject;
        writableInterval.setInterval(input);
        if (chrono != null) {
            writableInterval.setChronology(chrono);
        } else {
            writableInterval.setChronology(input.getChronology());
        }
    }
    //-----------------------------------------------------------------------
    
Returns ReadableInterval.class.
    public Class getSupportedType() {
        return ReadableInterval.class;
    }
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