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30 day Evaluation License registered to hlship@comcast.net Your 30 day evaluation period has expired. Please visit http://www.cenqua.com to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
MinLength.java | 100% | 100% | 100% | 100% |
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1 | // Copyright 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.form.validator; | |
16 | ||
17 | import org.apache.tapestry.IMarkupWriter; | |
18 | import org.apache.tapestry.IRequestCycle; | |
19 | import org.apache.tapestry.form.FormComponentContributorContext; | |
20 | import org.apache.tapestry.form.IFormComponent; | |
21 | import org.apache.tapestry.form.ValidationMessages; | |
22 | import org.apache.tapestry.valid.ValidationConstraint; | |
23 | import org.apache.tapestry.valid.ValidationStrings; | |
24 | import org.apache.tapestry.valid.ValidatorException; | |
25 | ||
26 | /** | |
27 | * Validates that the value, a string, is of a minimum length. | |
28 | * | |
29 | * @author Howard Lewis Ship | |
30 | * @since 4.0 | |
31 | */ | |
32 | public class MinLength extends BaseValidator | |
33 | { | |
34 | private int _minLength; | |
35 | ||
36 | 1 | public MinLength() |
37 | { | |
38 | } | |
39 | ||
40 | 5 | public MinLength(String initializer) |
41 | { | |
42 | 5 | super(initializer); |
43 | } | |
44 | ||
45 | 6 | public void setMinLength(int minLength) |
46 | { | |
47 | 6 | _minLength = minLength; |
48 | } | |
49 | ||
50 | 1 | public int getMinLength() |
51 | { | |
52 | 1 | return _minLength; |
53 | } | |
54 | ||
55 | 3 | public void validate(IFormComponent field, ValidationMessages messages, Object object) |
56 | throws ValidatorException | |
57 | { | |
58 | 3 | String string = (String) object; |
59 | ||
60 | 3 | if (string.length() < _minLength) |
61 | 2 | throw new ValidatorException(buildMessage(messages, field), |
62 | ValidationConstraint.MINIMUM_WIDTH); | |
63 | } | |
64 | ||
65 | 4 | protected String buildMessage(ValidationMessages messages, IFormComponent field) |
66 | { | |
67 | 4 | return messages.formatValidationMessage( |
68 | getMessage(), | |
69 | ValidationStrings.VALUE_TOO_SHORT, | |
70 | new Object[] | |
71 | { new Integer(_minLength), field.getDisplayName() }); | |
72 | } | |
73 | ||
74 | 2 | public void renderContribution(IMarkupWriter writer, IRequestCycle cycle, |
75 | FormComponentContributorContext context, IFormComponent field) | |
76 | { | |
77 | 2 | context.includeClasspathScript("/org/apache/tapestry/form/validator/StringValidator.js"); |
78 | ||
79 | 2 | StringBuffer buffer = new StringBuffer("function(event) { validate_min_length(event, "); |
80 | 2 | buffer.append(context.getFieldDOM()); |
81 | 2 | buffer.append(", "); |
82 | 2 | buffer.append(_minLength); |
83 | 2 | buffer.append(", '"); |
84 | 2 | buffer.append(buildMessage(context, field)); |
85 | 2 | buffer.append("'); }"); |
86 | ||
87 | 2 | context.addSubmitListener(buffer.toString()); |
88 | } | |
89 | } |
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