/*
* OrderFormatDate.java
*
* Version: $Revision: 4250 $
*
* Date: $Date: 2009-09-09 21:23:36 +0000 (Wed, 09 Sep 2009) $
*
* Copyright (c) 2002-2005, Hewlett-Packard Company and Massachusetts
* Institute of Technology. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Hewlett-Packard Company nor the name of the
* Massachusetts Institute of Technology nor the names of their
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
package org.dspace.sort;
/**
* Standard date ordering delegate implementation. The only "special" need is
* for treat with date with only "small" year < 4 digit
*
* @author Andrea Bollini
*/
public class OrderFormatDate implements OrderFormatDelegate
{
public String makeSortString(String value, String language)
{
int padding = 0;
int endYearIdx = value.indexOf("-");
if (endYearIdx >= 0 && endYearIdx < 4)
{
padding = 4 - endYearIdx;
}
else if (value.length() < 4)
{
padding = 4 - value.length();
}
if (padding > 0)
{
// padding the value from left with 0 so that 87 -> 0087, 687-11-24
// -> 0687-11-24
return String.format("%1$0" + padding + "d", 0)
+ value;
}
else
{
return value;
}
}
}