Coverage Report - org.apache.commons.validator.DateValidator
 
Classes in this File Line Coverage Branch Coverage Complexity
DateValidator
0%
0/27
0%
0/14
4.5
 
 1  
 /*
 2  
  * Licensed to the Apache Software Foundation (ASF) under one or more
 3  
  * contributor license agreements.  See the NOTICE file distributed with
 4  
  * this work for additional information regarding copyright ownership.
 5  
  * The ASF licenses this file to You under the Apache License, Version 2.0
 6  
  * (the "License"); you may not use this file except in compliance with
 7  
  * the License.  You may obtain a copy of the License at
 8  
  *
 9  
  *      http://www.apache.org/licenses/LICENSE-2.0
 10  
  *
 11  
  * Unless required by applicable law or agreed to in writing, software
 12  
  * distributed under the License is distributed on an "AS IS" BASIS,
 13  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14  
  * See the License for the specific language governing permissions and
 15  
  * limitations under the License.
 16  
  */
 17  
 package org.apache.commons.validator;
 18  
 
 19  
 import java.text.DateFormat;
 20  
 import java.text.ParseException;
 21  
 import java.text.SimpleDateFormat;
 22  
 import java.util.Locale;
 23  
 
 24  
 /**
 25  
  * <p>Perform date validations.</p>
 26  
  * <p>
 27  
  * This class is a Singleton; you can retrieve the instance via the
 28  
  * getInstance() method.
 29  
  * </p>
 30  
  *
 31  
  * @version $Revision: 1739358 $
 32  
  * @since Validator 1.1
 33  
  * @deprecated Use the new DateValidator, CalendarValidator or TimeValidator in the
 34  
  * routines package. This class will be removed in a future release.
 35  
  */
 36  
 @Deprecated
 37  
 public class DateValidator {
 38  
 
 39  
     /**
 40  
      * Singleton instance of this class.
 41  
      */
 42  0
     private static final DateValidator DATE_VALIDATOR = new DateValidator();
 43  
 
 44  
     /**
 45  
      * Returns the Singleton instance of this validator.
 46  
      * @return A singleton instance of the DateValidator.
 47  
      */
 48  
     public static DateValidator getInstance() {
 49  0
         return DATE_VALIDATOR;
 50  
     }
 51  
 
 52  
     /**
 53  
      * Protected constructor for subclasses to use.
 54  
      */
 55  
     protected DateValidator() {
 56  0
         super();
 57  0
     }
 58  
 
 59  
     /**
 60  
      * <p>Checks if the field is a valid date.  The pattern is used with
 61  
      * <code>java.text.SimpleDateFormat</code>.  If strict is true, then the
 62  
      * length will be checked so '2/12/1999' will not pass validation with
 63  
      * the format 'MM/dd/yyyy' because the month isn't two digits.
 64  
      * The setLenient method is set to <code>false</code> for all.</p>
 65  
      *
 66  
      * @param value The value validation is being performed on.
 67  
      * @param datePattern The pattern passed to <code>SimpleDateFormat</code>.
 68  
      * @param strict Whether or not to have an exact match of the datePattern.
 69  
      * @return true if the date is valid.
 70  
      */
 71  
     public boolean isValid(String value, String datePattern, boolean strict) {
 72  
 
 73  0
         if (value == null
 74  
                 || datePattern == null
 75  
                 || datePattern.length() <= 0) {
 76  
 
 77  0
             return false;
 78  
         }
 79  
 
 80  0
         SimpleDateFormat formatter = new SimpleDateFormat(datePattern);
 81  0
         formatter.setLenient(false);
 82  
 
 83  
         try {
 84  0
             formatter.parse(value);
 85  0
         } catch(ParseException e) {
 86  0
             return false;
 87  0
         }
 88  
 
 89  0
         if (strict && (datePattern.length() != value.length())) {
 90  0
             return false;
 91  
         }
 92  
 
 93  0
         return true;
 94  
     }
 95  
 
 96  
     /**
 97  
      * <p>Checks if the field is a valid date.  The <code>Locale</code> is
 98  
      * used with <code>java.text.DateFormat</code>.  The setLenient method
 99  
      * is set to <code>false</code> for all.</p>
 100  
      *
 101  
      * @param value The value validation is being performed on.
 102  
      * @param locale The locale to use for the date format, defaults to the default
 103  
      * system default if null.
 104  
      * @return true if the date is valid.
 105  
      */
 106  
     public boolean isValid(String value, Locale locale) {
 107  
 
 108  0
         if (value == null) {
 109  0
             return false;
 110  
         }
 111  
 
 112  0
         DateFormat formatter = null;
 113  0
         if (locale != null) {
 114  0
             formatter = DateFormat.getDateInstance(DateFormat.SHORT, locale);
 115  
         } else {
 116  0
             formatter =
 117  
                     DateFormat.getDateInstance(
 118  
                             DateFormat.SHORT,
 119  
                             Locale.getDefault());
 120  
         }
 121  
 
 122  0
         formatter.setLenient(false);
 123  
 
 124  
         try {
 125  0
             formatter.parse(value);
 126  0
         } catch(ParseException e) {
 127  0
             return false;
 128  0
         }
 129  
 
 130  0
         return true;
 131  
     }
 132  
 
 133  
 }