/*

  * 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);

     }

 }