Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
FileSources |
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| 2.75;2.75 |
1 | /** | |
2 | * Copyright (c) 2012-2017, 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.xml; | |
31 | ||
32 | import java.io.File; | |
33 | import java.io.FileInputStream; | |
34 | import java.io.FileNotFoundException; | |
35 | import javax.xml.transform.Source; | |
36 | import javax.xml.transform.TransformerException; | |
37 | import javax.xml.transform.stream.StreamSource; | |
38 | import lombok.EqualsAndHashCode; | |
39 | ||
40 | /** | |
41 | * Sources in file system. | |
42 | * | |
43 | * If you have some resources in files, just configure your | |
44 | * XSL with this "sources": | |
45 | * | |
46 | * <pre> XSL xsl = new XSLDocument(input).with( | |
47 | * new FileSources("/tmp/my-resources") | |
48 | * );</pre> | |
49 | * | |
50 | * @author Yegor Bugayenko (yegor@teamed.io) | |
51 | * @version $Id: 9308f9d92a05c85d5872e568f8d57e2b7af12688 $ | |
52 | * @since 0.18 | |
53 | */ | |
54 | 0 | @EqualsAndHashCode(of = "path") |
55 | public final class FileSources implements Sources { | |
56 | ||
57 | /** | |
58 | * Directory. | |
59 | */ | |
60 | private final transient File path; | |
61 | ||
62 | /** | |
63 | * Public ctor. | |
64 | */ | |
65 | public FileSources() { | |
66 | 1 | this(""); |
67 | 1 | } |
68 | ||
69 | /** | |
70 | * Public ctor. | |
71 | * @param dir Directory | |
72 | */ | |
73 | public FileSources(final String dir) { | |
74 | 1 | this(new File(dir)); |
75 | 1 | } |
76 | ||
77 | /** | |
78 | * Public ctor. | |
79 | * @param dir Directory | |
80 | */ | |
81 | 1 | public FileSources(final File dir) { |
82 | 1 | this.path = dir; |
83 | 1 | } |
84 | ||
85 | @Override | |
86 | public Source resolve(final String href, final String base) | |
87 | throws TransformerException { | |
88 | 1 | File file = new File(this.path, href); |
89 | 1 | if (!file.exists()) { |
90 | 0 | if (base == null) { |
91 | 0 | file = new File(href); |
92 | } else { | |
93 | 0 | file = new File(new File(base), href); |
94 | } | |
95 | 0 | if (!file.exists()) { |
96 | 0 | throw new TransformerException( |
97 | String.format( | |
98 | "file \"%s\" not found in \"%s\" and in base \"%s\"", | |
99 | href, this.path, base | |
100 | ) | |
101 | ); | |
102 | } | |
103 | } | |
104 | try { | |
105 | 1 | return new StreamSource(new FileInputStream(file)); |
106 | 0 | } catch (final FileNotFoundException ex) { |
107 | 0 | throw new TransformerException(ex); |
108 | } | |
109 | } | |
110 | } |