/*

  * Copyright 2010 The Kuali Foundation

  *

  * Licensed under the Educational Community 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.osedu.org/licenses/ECL-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.kuali.student.contract.model.util;

 import java.text.DateFormat;

 import java.text.ParseException;

 import java.text.SimpleDateFormat;

 import java.util.Date;

 import org.kuali.student.contract.exception.DictionaryExecutionException;

 /**

  *

  * @author nwright

  */

 public class DateUtility

 {

  public String asYMD (String date)

   throws ParseException

  {

   if (date == null)

   {

    return null;

   }

   return asYMD (asDate (date));

  }

  public Date asDate (String date)

   throws ParseException

  {

   if (date == null)

   {

    return null;

   }

   String[] formats =

   {

    "yyyy-MM-dd",

    "MM/dd/yyyy"

   };

   ParseException pe = null;

   for (int i = 0; i < formats.length; i ++)

   {

    DateFormat df = new SimpleDateFormat (formats[i]);

    try

    {

     return df.parse (date);

    }

    catch (ParseException e)

    {

     pe = e;

    }

   }

   throw pe;

  }

  public String asYMD (Date date)

  {

   if (date == null)

   {

    return null;

   }

   DateFormat df = new SimpleDateFormat ("yyyy-MM-dd");

   return df.format (date);

  }

 }