blob: 0dda3a091662d4332bef86996ed7ca238b991e63 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/*******************************************************************************
* Copyright (c) 2011, 2014 Wind River Systems, Inc. and others. All rights reserved.
* This program and the accompanying materials are made available under the terms
* of the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.ui.controls.validator;
/**
* Validator using regular expression.
*/
public class RegexValidator extends Validator {
/**
* Attribute to check if the text to validate does not match the given regex.
*/
public static final int ATTR_NOT_REGEX = 2;
// next attribute should start with 2^2
// keys for info messages
public static final String INFO_MISSING_VALUE = "RegexValidator_Information_MissingValue"; //$NON-NLS-1$
// keys for error messages
public static final String ERROR_INVALID_VALUE = "RegexValidator_Error_InvalidValue"; //$NON-NLS-1$
// arguments
private String regex;
/**
* Constructor.
* @param attributes
*/
public RegexValidator(int attributes, String regex) {
super(attributes);
this.regex = regex;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.ui.controls.validator.Validator#isValid(java.lang.String)
*/
@Override
public boolean isValid(String newText) {
init();
// info message when value is empty and mandatory
if (newText == null || newText.trim().length() == 0) {
if (isMandatory()) {
setMessage(getMessageText(INFO_MISSING_VALUE), getMessageTextType(INFO_MISSING_VALUE, INFORMATION));
return false;
}
return true;
}
boolean match = newText.matches(regex);
if ((!isAttribute(ATTR_NOT_REGEX) && !match) || (isAttribute(ATTR_NOT_REGEX) && match)) {
setMessage(getMessageText(ERROR_INVALID_VALUE), getMessageTextType(ERROR_INVALID_VALUE, ERROR));
return getMessageType() != ERROR;
}
return true;
}
/**
* Returns the regular expression.
* @return
*/
protected String getRegularExpression() {
return regex;
}
/**
* Set the regular expression.
* @param regex
*/
protected void setRegularExpression(String regex) {
if (regex != null && regex.length() > 0) {
this.regex = regex;
}
else {
this.regex = ".*"; //$NON-NLS-1$
}
}
}
|
