aboutsummaryrefslogtreecommitdiff
path: root/src/org/traccar/helper/PatternUtil.java
blob: 184e6b31ba6ec0440c6cf5d72c0ee77c893c5d11 (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
/*
 * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
 *
 * 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 org.traccar.helper;

import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;

public final class PatternUtil {

    private PatternUtil() {
    }

    public static String checkPattern(String pattern, String input) {

        String match = null;

        for (int i = 0; i < pattern.length(); i++) {
            try {
                Matcher matcher = Pattern.compile(pattern.substring(0, i) + ".*").matcher(input);
                if (matcher.matches()) {
                    match = pattern.substring(0, i);
                }
            } catch (PatternSyntaxException error) {
                Log.warning(error);
            }
        }

        return match;
    }

}