Coverage Report - org.seasar.cubby.validator.validators.NumberValidator
 
Classes in this File Line Coverage Branch Coverage Complexity
NumberValidator
88%
16/18
50%
4/8
3.333
 
 1  
 /*
 2  
  * Copyright 2004-2009 the Seasar Foundation and the Others.
 3  
  *
 4  
  * Licensed under the Apache License, Version 2.0 (the "License");
 5  
  * you may not use this file except in compliance with the License.
 6  
  * You may obtain a copy of the License at
 7  
  *
 8  
  *     http://www.apache.org/licenses/LICENSE-2.0
 9  
  *
 10  
  * Unless required by applicable law or agreed to in writing, software
 11  
  * distributed under the License is distributed on an "AS IS" BASIS,
 12  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 13  
  * either express or implied. See the License for the specific language
 14  
  * governing permissions and limitations under the License.
 15  
  */
 16  
 package org.seasar.cubby.validator.validators;
 17  
 
 18  
 import java.util.regex.Pattern;
 19  
 
 20  
 import org.seasar.cubby.action.MessageInfo;
 21  
 import org.seasar.cubby.internal.util.StringUtils;
 22  
 import org.seasar.cubby.validator.ScalarFieldValidator;
 23  
 import org.seasar.cubby.validator.ValidationContext;
 24  
 
 25  
 /**
 26  
  * 数値であるかを検証します。
 27  
  * <p>
 28  
  * <table>
 29  
  * <caption>検証エラー時に設定するエラーメッセージ</caption> <tbody>
 30  
  * <tr>
 31  
  * <th scope="row">デフォルトのキー</th>
 32  
  * <td>valid.number</td>
 33  
  * </tr>
 34  
  * <tr>
 35  
  * <th scope="row">置換文字列</th>
 36  
  * <td>
 37  
  * <ol start="0">
 38  
  * <li>フィールド名</li>
 39  
  * </ol></td>
 40  
  * </tr>
 41  
  * </tbody>
 42  
  * </table>
 43  
  * </p>
 44  
  * 
 45  
  * @author agata
 46  
  * @author baba
 47  
  */
 48  
 public class NumberValidator implements ScalarFieldValidator {
 49  
 
 50  1
         private static final Pattern NUMBER_PATTERN = Pattern
 51  
                         .compile("^[-+]?[0-9]+[.]?[0-9]*$");
 52  
 
 53  
         /**
 54  
          * メッセージキー。
 55  
          */
 56  
         private final String messageKey;
 57  
 
 58  
         /**
 59  
          * コンストラクタ
 60  
          */
 61  
         public NumberValidator() {
 62  6
                 this("valid.number");
 63  6
         }
 64  
 
 65  
         /**
 66  
          * エラーメッセージキーを指定するコンストラクタ
 67  
          * 
 68  
          * @param messageKey
 69  
          *            エラーメッセージキー
 70  
          */
 71  6
         public NumberValidator(final String messageKey) {
 72  6
                 this.messageKey = messageKey;
 73  6
         }
 74  
 
 75  
         /**
 76  
          * {@inheritDoc}
 77  
          */
 78  
         public void validate(final ValidationContext context, final Object value) {
 79  9
                 if (value instanceof String) {
 80  9
                         final String str = (String) value;
 81  9
                         if (StringUtils.isEmpty(str)) {
 82  0
                                 return;
 83  
                         }
 84  9
                         if (NUMBER_PATTERN.matcher(str).find()) {
 85  4
                                 return;
 86  
                         }
 87  5
                 } else if (value == null) {
 88  0
                         return;
 89  
                 }
 90  
 
 91  5
                 final MessageInfo messageInfo = new MessageInfo();
 92  5
                 messageInfo.setKey(this.messageKey);
 93  5
                 context.addMessageInfo(messageInfo);
 94  5
         }
 95  
 
 96  
 }