blob: 6a34aedaee915a9b4d6de01237616e38b589e559 (
plain)
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
|
/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.motorolamobility.studio.android.db.core.ui.wizards.createdb;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.eclipse.jface.dialogs.IInputValidator;
import org.eclipse.osgi.util.NLS;
import com.motorolamobility.studio.android.db.core.i18n.DbCoreNLS;
/**
* This class represents a database name validator. The name must not
* not already exists in the Database View tree and must follow a certain pattern.
*/
public class DatabaseCreationFieldValidator implements IInputValidator
{
/**
* The regular expression pattern used to validate the database name provided by the user
*/
private static final String VALIDATOR_PATTERN = "[a-zA-Z0-9 ._-]+(.db)?"; //$NON-NLS-1$
/**
* The extension of the database files at the device
*/
private static final String DB_EXTENSION = ".db"; //$NON-NLS-1$
/**
* Expression pattern used to validate the database name provided by the user
*/
private final Pattern pattern = Pattern.compile(VALIDATOR_PATTERN);
private final List<String> alreadyAvailableDbs;
public DatabaseCreationFieldValidator(final List<String> alreadyAvailableDbs)
{
this.alreadyAvailableDbs = alreadyAvailableDbs;
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.dialogs.IInputValidator#isValid(java.lang.String)
*/
public String isValid(String newText)
{
String msg = null;
Matcher patternMatcher = pattern.matcher(newText);
if (!patternMatcher.matches())
{
msg = DbCoreNLS.DatabaseCreationFieldValidator_ValidChars;
}
else
// check whether the database already exists
{
String dbFileName = newText + DB_EXTENSION;
if (alreadyAvailableDbs.contains(dbFileName))
{
msg =
NLS.bind(DbCoreNLS.DatabaseCreationFieldValidator_DB_Already_Exists_Msg,
dbFileName);
}
}
return msg;
}
}
|
