Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
DefaultCssValidator |
|
| 1.25;1.25 |
1 | /** | |
2 | * Copyright (c) 2011-2015, jcabi.com | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: 1) Redistributions of source code must retain the above | |
8 | * copyright notice, this list of conditions and the following | |
9 | * disclaimer. 2) Redistributions in binary form must reproduce the above | |
10 | * copyright notice, this list of conditions and the following | |
11 | * disclaimer in the documentation and/or other materials provided | |
12 | * with the distribution. 3) Neither the name of the jcabi.com nor | |
13 | * the names of its contributors may be used to endorse or promote | |
14 | * products derived from this software without specific prior written | |
15 | * permission. | |
16 | * | |
17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT | |
19 | * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
20 | * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL | |
21 | * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
22 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
26 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
28 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 | */ | |
30 | package com.jcabi.w3c; | |
31 | ||
32 | import com.jcabi.aspects.Immutable; | |
33 | import com.jcabi.http.Request; | |
34 | import com.jcabi.http.response.XmlResponse; | |
35 | import java.io.IOException; | |
36 | import java.net.URI; | |
37 | import java.util.regex.Pattern; | |
38 | import lombok.EqualsAndHashCode; | |
39 | import lombok.ToString; | |
40 | ||
41 | /** | |
42 | * Default implementation of CSS validator. | |
43 | * | |
44 | * @author Yegor Bugayenko (yegor@tpc2.com) | |
45 | * @version $Id$ | |
46 | * @see <a href="http://jigsaw.w3.org/css-validator/api.html">W3C API</a> | |
47 | */ | |
48 | @Immutable | |
49 | 0 | @ToString |
50 | 0 | @EqualsAndHashCode(callSuper = false, of = "uri") |
51 | final class DefaultCssValidator extends BaseValidator implements Validator { | |
52 | ||
53 | /** | |
54 | * The URI to use in W3C. | |
55 | */ | |
56 | private final transient String uri; | |
57 | ||
58 | /** | |
59 | * Public ctor. | |
60 | * @param entry Entry point to use | |
61 | */ | |
62 | DefaultCssValidator(final URI entry) { | |
63 | 2 | super(); |
64 | 2 | this.uri = entry.toString(); |
65 | 2 | } |
66 | ||
67 | @Override | |
68 | public ValidationResponse validate(final String css) | |
69 | throws IOException { | |
70 | final ValidationResponse response; | |
71 | 2 | final Pattern pattern = Pattern.compile( |
72 | ".*^/\\* JIGSAW IGNORE: [^\\n]+\\*/$.*", | |
73 | Pattern.MULTILINE | Pattern.DOTALL | |
74 | ); | |
75 | 2 | if (pattern.matcher(css).matches()) { |
76 | 1 | response = this.success(""); |
77 | } else { | |
78 | 1 | response = this.processed(css); |
79 | } | |
80 | 2 | return response; |
81 | } | |
82 | ||
83 | /** | |
84 | * Return a response after real processing of the CSS. | |
85 | * @param css The CSS stylesheet to check | |
86 | * @return The response | |
87 | * @throws IOException if fails | |
88 | */ | |
89 | private ValidationResponse processed(final String css) throws IOException { | |
90 | 1 | final Request req = this.request( |
91 | this.uri, | |
92 | this.entity("file", DefaultCssValidator.filter(css), "text/css") | |
93 | ); | |
94 | 1 | return this.build( |
95 | req.fetch().as(XmlResponse.class) | |
96 | .registerNs("env", "http://www.w3.org/2003/05/soap-envelope") | |
97 | .registerNs("m", "http://www.w3.org/2005/07/css-validator") | |
98 | .assertXPath("//m:validity") | |
99 | .assertXPath("//m:checkedby") | |
100 | .xml() | |
101 | ); | |
102 | } | |
103 | ||
104 | /** | |
105 | * Exclude problematic lines from CSS. | |
106 | * @param css The css document | |
107 | * @return New document, with lines excluded | |
108 | */ | |
109 | private static String filter(final String css) { | |
110 | 1 | return Pattern.compile( |
111 | "^/\\* JIGSAW: [^\\n]+\\*/$", | |
112 | Pattern.MULTILINE | Pattern.DOTALL | |
113 | ).matcher(css).replaceAll(""); | |
114 | } | |
115 | ||
116 | } |