1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.myfaces.commons.validator;
20
21 import javax.faces.application.FacesMessage;
22 import javax.faces.component.UIComponent;
23 import javax.faces.context.FacesContext;
24 import javax.faces.validator.ValidatorException;
25
26 /**
27 * A custom validator for creditCards, based upon Jakarta Commons.
28 *
29 * Unless otherwise specified, all attributes accept static values or EL expressions
30 *
31 * @JSFValidator
32 * name = "mcv:validateCreditCard"
33 * class = "org.apache.myfaces.commons.validator.CreditCardValidator"
34 * bodyContent = "empty"
35 * tagClass = "org.apache.myfaces.commons.validator.ValidateCreditCardTag"
36 * serialuidtag = "3810660506302799072L"
37 *
38 * @author mwessendorf (latest modification by $Author: lu4242 $)
39 * @version $Revision: 687839 $ $Date: 2008-08-21 14:59:44 -0500 (Thu, 21 Aug 2008) $
40 */
41 public abstract class AbstractCreditCardValidator extends ValidatorBase {
42
43 /**
44 * <p>The standard converter id for this converter.</p>
45 */
46 public static final String VALIDATOR_ID = "org.apache.myfaces.commons.validator.CreditCard";
47
48 /**
49 * <p>The message identifier of the {@link FacesMessage} to be created if
50 * the creditcard check fails.</p>
51 */
52 public static final String CREDITCARD_MESSAGE_ID = "org.apache.myfaces.commons.validator.Creditcard.INVALID";
53
54 public AbstractCreditCardValidator(){
55 }
56
57 //Field, to init the desired Validator
58 private int _initSum = 0;
59
60 private org.apache.commons.validator.CreditCardValidator creditCardValidator = null;
61
62 /**
63 *
64 */
65 public void validate(
66 FacesContext facesContext,
67 UIComponent uiComponent,
68 Object value)
69 throws ValidatorException {
70
71 if (facesContext == null) throw new NullPointerException("facesContext");
72 if (uiComponent == null) throw new NullPointerException("uiComponent");
73
74 if (value == null)
75 {
76 return;
77 }
78 initValidator();
79 if (!this.creditCardValidator.isValid(value.toString())){
80 Object[] args = {value.toString()};
81 throw new ValidatorException(getFacesMessage(CREDITCARD_MESSAGE_ID, args));
82 }
83 }
84
85
86 // -------------------------------------------------------- Private Methods
87
88 /**
89 * <p>initializes the desired validator.</p>
90 */
91
92 private void initValidator() {
93 if(isNone()){
94 //no cardtypes are allowed
95 creditCardValidator = new org.apache.commons.validator.CreditCardValidator(org.apache.commons.validator.CreditCardValidator.NONE);
96 }
97 else{
98 computeValidators();
99 creditCardValidator = new org.apache.commons.validator.CreditCardValidator(_initSum);
100 }
101 }
102
103 /**
104 * private methode, that counts the desired creditCards
105 */
106 private void computeValidators(){
107 if(isAmex()){
108 this._initSum= org.apache.commons.validator.CreditCardValidator.AMEX + _initSum;
109 }
110 if(isVisa()){
111 this._initSum= org.apache.commons.validator.CreditCardValidator.VISA+ _initSum;
112 }
113 if(isMastercard()){
114 this._initSum= org.apache.commons.validator.CreditCardValidator.MASTERCARD+ _initSum;
115 }
116 if(isDiscover()){
117 this._initSum= org.apache.commons.validator.CreditCardValidator.DISCOVER+ _initSum;
118 }
119 }
120
121 //GETTER & SETTER
122
123 /**
124 * american express cards
125 *
126 * @JSFProperty
127 * defaultValue = "true"
128 */
129 public abstract boolean isAmex();
130
131 /**
132 * validation for discover
133 *
134 * @JSFProperty
135 * defaultValue = "true"
136 */
137 public abstract boolean isDiscover();
138
139 /**
140 * validation for mastercard
141 *
142 * @JSFProperty
143 * defaultValue = "true"
144 */
145 public abstract boolean isMastercard();
146
147 /**
148 * none of the given cardtypes is allowed.
149 *
150 * @JSFProperty
151 * defaultValue = "false"
152 */
153 public abstract boolean isNone();
154
155 /**
156 * validation for visa
157 *
158 * @JSFProperty
159 * defaultValue = "true"
160 */
161 public abstract boolean isVisa();
162
163 public abstract void setAmex(boolean b);
164
165 public abstract void setDiscover(boolean b);
166
167 public abstract void setMastercard(boolean b);
168
169 public abstract void setNone(boolean b);
170
171 public abstract void setVisa(boolean b);
172
173 }