|
|||||||||||||||||||
30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
EmailValidator.java | 35.7% | 41.7% | 53.3% | 43.1% |
|
1 |
// Copyright 2004, 2005 The Apache Software Foundation
|
|
2 |
//
|
|
3 |
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
4 |
// you may not use this file except in compliance with the License.
|
|
5 |
// You may obtain a copy of the License at
|
|
6 |
//
|
|
7 |
// http://www.apache.org/licenses/LICENSE-2.0
|
|
8 |
//
|
|
9 |
// Unless required by applicable law or agreed to in writing, software
|
|
10 |
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
11 |
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
12 |
// See the License for the specific language governing permissions and
|
|
13 |
// limitations under the License.
|
|
14 |
|
|
15 |
package org.apache.tapestry.valid;
|
|
16 |
|
|
17 |
import java.util.HashMap;
|
|
18 |
import java.util.Locale;
|
|
19 |
import java.util.Map;
|
|
20 |
|
|
21 |
import org.apache.tapestry.IMarkupWriter;
|
|
22 |
import org.apache.tapestry.IRequestCycle;
|
|
23 |
import org.apache.tapestry.form.IFormComponent;
|
|
24 |
|
|
25 |
/**
|
|
26 |
* Simple validation of email strings, to enforce required, and minimum length (maximum length is
|
|
27 |
* enforced in the client browser, by setting a maximum input length on the text field).
|
|
28 |
*
|
|
29 |
* @author Malcolm Edgar
|
|
30 |
* @since 2.3
|
|
31 |
*/
|
|
32 |
|
|
33 |
public class EmailValidator extends BaseValidator |
|
34 |
{ |
|
35 |
private int _minimumLength; |
|
36 |
|
|
37 |
private String _minimumLengthMessage;
|
|
38 |
|
|
39 |
private String _invalidEmailFormatMessage;
|
|
40 |
|
|
41 |
private String _scriptPath = "/org/apache/tapestry/valid/EmailValidator.script"; |
|
42 |
|
|
43 | 5 |
public EmailValidator()
|
44 |
{ |
|
45 |
} |
|
46 |
|
|
47 | 0 |
public String toString(IFormComponent field, Object value)
|
48 |
{ |
|
49 | 0 |
if (value == null) |
50 | 0 |
return null; |
51 |
|
|
52 | 0 |
return value.toString();
|
53 |
} |
|
54 |
|
|
55 | 5 |
public Object toObject(IFormComponent field, String input) throws ValidatorException |
56 |
{ |
|
57 | 5 |
if (checkRequired(field, input))
|
58 | 0 |
return null; |
59 |
|
|
60 | 5 |
if (_minimumLength > 0 && input.length() < _minimumLength)
|
61 | 2 |
throw new ValidatorException(buildMinimumLengthMessage(field), |
62 |
ValidationConstraint.MINIMUM_WIDTH); |
|
63 |
|
|
64 | 3 |
if (!isValidEmail(input))
|
65 | 2 |
throw new ValidatorException(buildInvalidEmailFormatMessage(field), |
66 |
ValidationConstraint.EMAIL_FORMAT); |
|
67 |
|
|
68 | 1 |
return input;
|
69 |
} |
|
70 |
|
|
71 | 0 |
public int getMinimumLength() |
72 |
{ |
|
73 | 0 |
return _minimumLength;
|
74 |
} |
|
75 |
|
|
76 | 2 |
public void setMinimumLength(int minimumLength) |
77 |
{ |
|
78 | 2 |
_minimumLength = minimumLength; |
79 |
} |
|
80 |
|
|
81 | 0 |
public void renderValidatorContribution(IFormComponent field, IMarkupWriter writer, |
82 |
IRequestCycle cycle) |
|
83 |
{ |
|
84 | 0 |
if (!isClientScriptingEnabled())
|
85 | 0 |
return;
|
86 |
|
|
87 | 0 |
Map symbols = new HashMap();
|
88 |
|
|
89 | 0 |
Locale locale = field.getPage().getLocale(); |
90 | 0 |
String displayName = field.getDisplayName(); |
91 |
|
|
92 | 0 |
if (isRequired())
|
93 | 0 |
symbols.put("requiredMessage", buildRequiredMessage(field));
|
94 |
|
|
95 | 0 |
if (_minimumLength > 0)
|
96 | 0 |
symbols.put("minimumLengthMessage", buildMinimumLengthMessage(field));
|
97 |
|
|
98 | 0 |
String pattern = getPattern(getInvalidEmailFormatMessage(), "invalid-email-format", locale);
|
99 |
|
|
100 | 0 |
symbols.put("emailFormatMessage", formatString(pattern, displayName));
|
101 |
|
|
102 | 0 |
processValidatorScript(_scriptPath, cycle, field, symbols); |
103 |
} |
|
104 |
|
|
105 | 0 |
public String getScriptPath()
|
106 |
{ |
|
107 | 0 |
return _scriptPath;
|
108 |
} |
|
109 |
|
|
110 |
/**
|
|
111 |
* Allows a developer to use the existing validation logic with a different client-side script.
|
|
112 |
* This is often sufficient to allow application-specific error presentation (perhaps by using
|
|
113 |
* DHTML to update the content of a <span> tag, or to use a more sophisticated pop-up
|
|
114 |
* window than <code>window.alert()</code>).
|
|
115 |
*/
|
|
116 |
|
|
117 | 0 |
public void setScriptPath(String scriptPath) |
118 |
{ |
|
119 | 0 |
_scriptPath = scriptPath; |
120 |
} |
|
121 |
|
|
122 |
/**
|
|
123 |
* Return true if the email format is valid.
|
|
124 |
*
|
|
125 |
* @param email
|
|
126 |
* the email string to validate
|
|
127 |
* @return true if the email format is valid
|
|
128 |
*/
|
|
129 |
|
|
130 | 3 |
protected boolean isValidEmail(String email) |
131 |
{ |
|
132 | 3 |
int atIndex = email.indexOf('@');
|
133 |
|
|
134 | 3 |
return !((atIndex <= 0) || (atIndex == email.length() - 1));
|
135 |
} |
|
136 |
|
|
137 |
/** @since 3.0 */
|
|
138 |
|
|
139 | 0 |
public String getInvalidEmailFormatMessage()
|
140 |
{ |
|
141 | 0 |
return _invalidEmailFormatMessage;
|
142 |
} |
|
143 |
|
|
144 |
/** @since 3.0 */
|
|
145 |
|
|
146 | 0 |
public String getMinimumLengthMessage()
|
147 |
{ |
|
148 | 0 |
return _minimumLengthMessage;
|
149 |
} |
|
150 |
|
|
151 |
/**
|
|
152 |
* Overrides the <code>invalid-email-format</code> bundle key. Parameter {0} is the display
|
|
153 |
* name of the field.
|
|
154 |
*
|
|
155 |
* @since 3.0
|
|
156 |
*/
|
|
157 |
|
|
158 | 1 |
public void setInvalidEmailFormatMessage(String string) |
159 |
{ |
|
160 | 1 |
_invalidEmailFormatMessage = string; |
161 |
} |
|
162 |
|
|
163 |
/**
|
|
164 |
* Overrides the <code>field-too-short</code> bundle key. Parameter {0} is the minimum length.
|
|
165 |
* Parameter {1} is the display name of the field.
|
|
166 |
*
|
|
167 |
* @since 3.0
|
|
168 |
*/
|
|
169 | 1 |
public void setMinimumLengthMessage(String string) |
170 |
{ |
|
171 | 1 |
_minimumLengthMessage = string; |
172 |
} |
|
173 |
|
|
174 |
/** @since 3.0 */
|
|
175 |
|
|
176 | 2 |
protected String buildMinimumLengthMessage(IFormComponent field)
|
177 |
{ |
|
178 | 2 |
String pattern = getPattern(_minimumLengthMessage, "field-too-short", field.getPage()
|
179 |
.getLocale()); |
|
180 |
|
|
181 | 2 |
return formatString(pattern, Integer.toString(_minimumLength), field.getDisplayName());
|
182 |
} |
|
183 |
|
|
184 |
/** @since 3.0 */
|
|
185 |
|
|
186 | 2 |
protected String buildInvalidEmailFormatMessage(IFormComponent field)
|
187 |
{ |
|
188 | 2 |
String pattern = getPattern(_invalidEmailFormatMessage, "invalid-email-format", field
|
189 |
.getPage().getLocale()); |
|
190 |
|
|
191 | 2 |
return formatString(pattern, field.getDisplayName());
|
192 |
} |
|
193 |
} |
|