Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ImmutableHeader |
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| 1.8333333333333333;1.833 |
1 | /** | |
2 | * Copyright (c) 2011-2017, 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.http; | |
31 | ||
32 | import com.jcabi.aspects.Immutable; | |
33 | import java.util.Map; | |
34 | import lombok.EqualsAndHashCode; | |
35 | import lombok.ToString; | |
36 | ||
37 | /** | |
38 | * Immutable HTTP header. | |
39 | * | |
40 | * @author Yegor Bugayenko (yegor@tpc2.com) | |
41 | * @version $Id: 19a8b0ebee91325b73330a1c20dfddac827a8a61 $ | |
42 | * @since 0.10 | |
43 | */ | |
44 | 2608 | @Immutable |
45 | 0 | @ToString |
46 | 2 | @EqualsAndHashCode(of = { "left", "right" }) |
47 | public final class ImmutableHeader implements Map.Entry<String, String> { | |
48 | ||
49 | /** | |
50 | * Key. | |
51 | */ | |
52 | private final transient String left; | |
53 | ||
54 | /** | |
55 | * Value. | |
56 | */ | |
57 | private final transient String right; | |
58 | ||
59 | /** | |
60 | * Public ctor. | |
61 | * @param key The name of it | |
62 | * @param value The value | |
63 | */ | |
64 | 506 | public ImmutableHeader(final String key, final String value) { |
65 | 510 | this.left = ImmutableHeader.normalize(key); |
66 | 505 | this.right = value; |
67 | 503 | } |
68 | ||
69 | @Override | |
70 | public String getKey() { | |
71 | 1458 | return this.left; |
72 | } | |
73 | ||
74 | @Override | |
75 | public String getValue() { | |
76 | 1149 | return this.right; |
77 | } | |
78 | ||
79 | @Override | |
80 | public String setValue(final String value) { | |
81 | 0 | throw new UnsupportedOperationException("#setValue()"); |
82 | } | |
83 | ||
84 | /** | |
85 | * Normalize key. | |
86 | * @param key The key to normalize | |
87 | * @return Normalized key | |
88 | */ | |
89 | public static String normalize(final String key) { | |
90 | 1215 | final char[] chars = key.toCharArray(); |
91 | 1215 | chars[0] = ImmutableHeader.upper(chars[0]); |
92 | 10759 | for (int pos = 1; pos < chars.length; ++pos) { |
93 | 9551 | if (chars[pos - 1] == '-') { |
94 | 553 | chars[pos] = ImmutableHeader.upper(chars[pos]); |
95 | } | |
96 | } | |
97 | 1212 | return new String(chars); |
98 | } | |
99 | ||
100 | /** | |
101 | * Convert char to upper case, if required. | |
102 | * @param chr The char to convert | |
103 | * @return Upper-case char | |
104 | */ | |
105 | private static char upper(final char chr) { | |
106 | final char upper; | |
107 | 1790 | if (chr >= 'a' && chr <= 'z') { |
108 | 1034 | upper = (char) (chr - ('a' - 'A')); |
109 | } else { | |
110 | 750 | upper = chr; |
111 | } | |
112 | 1778 | return upper; |
113 | } | |
114 | ||
115 | } |