blob: cb6377a0bb1a661cb4b9743c205a3ddedb1eddbf (
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
|
/*
* Copyright (C) 2010 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.android.browser;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class UrlUtils {
// Regular expression which matches http://, followed by some stuff, followed by
// optionally a trailing slash, all matched as separate groups.
private static final Pattern STRIP_URL_PATTERN = Pattern.compile("^(http://)(.*?)(/$)?");
private UrlUtils() { /* cannot be instantiated */ }
/**
* Strips the provided url of preceding "http://" and any trailing "/". Does not
* strip "https://". If the provided string cannot be stripped, the original string
* is returned.
*
* TODO: Put this in TextUtils to be used by other packages doing something similar.
*
* @param url a url to strip, like "http://www.google.com/"
* @return a stripped url like "www.google.com", or the original string if it could
* not be stripped
*/
/* package */ static String stripUrl(String url) {
if (url == null) return null;
Matcher m = STRIP_URL_PATTERN.matcher(url);
if (m.matches() && m.groupCount() == 3) {
return m.group(2);
} else {
return url;
}
}
}
|
