1 | /*- | |
2 | * #%L | |
3 | * io.earcam.instrumental.io | |
4 | * %% | |
5 | * Copyright (C) 2018 earcam | |
6 | * %% | |
7 | * SPDX-License-Identifier: (BSD-3-Clause OR EPL-1.0 OR Apache-2.0 OR MIT) | |
8 | * | |
9 | * You <b>must</b> choose to accept, in full - any individual or combination of | |
10 | * the following licenses: | |
11 | * <ul> | |
12 | * <li><a href="https://opensource.org/licenses/BSD-3-Clause">BSD-3-Clause</a></li> | |
13 | * <li><a href="https://www.eclipse.org/legal/epl-v10.html">EPL-1.0</a></li> | |
14 | * <li><a href="https://www.apache.org/licenses/LICENSE-2.0">Apache-2.0</a></li> | |
15 | * <li><a href="https://opensource.org/licenses/MIT">MIT</a></li> | |
16 | * </ul> | |
17 | * #L% | |
18 | */ | |
19 | package io.earcam.utilitarian.io; | |
20 | ||
21 | import java.io.ByteArrayOutputStream; | |
22 | import java.io.IOException; | |
23 | import java.io.InputStream; | |
24 | ||
25 | public class WiretapInputStream extends InputStream { | |
26 | ||
27 | private InputStream tapped; | |
28 | private ByteArrayOutputStream tap; | |
29 | private boolean tapping; | |
30 | private boolean marked; | |
31 | private int mark; | |
32 | ||
33 | ||
34 | public WiretapInputStream(InputStream tapped, boolean tapOn) | |
35 | { | |
36 | this.tapping = tapOn; | |
37 | this.tapped = tapped; | |
38 | this.tap = new ByteArrayOutputStream(); | |
39 | } | |
40 | ||
41 | ||
42 | @Override | |
43 | public synchronized void mark(int readlimit) | |
44 | { | |
45 | marked = true; | |
46 | mark = 0; | |
47 |
1
1. mark : removed call to java/io/InputStream::mark → KILLED |
tapped.mark(readlimit); |
48 | } | |
49 | ||
50 | ||
51 | @Override | |
52 | public synchronized void reset() throws IOException | |
53 | { | |
54 | marked = false; | |
55 |
1
1. reset : removed call to java/io/InputStream::reset → KILLED |
tapped.reset(); |
56 | } | |
57 | ||
58 | ||
59 | @Override | |
60 | public long skip(long n) throws IOException | |
61 | { | |
62 |
1
1. skip : negated conditional → KILLED |
if(tapping) { |
63 | int i = 0; | |
64 | int b; | |
65 |
4
1. skip : changed conditional boundary → KILLED 2. skip : Changed increment from 1 to -1 → KILLED 3. skip : negated conditional → KILLED 4. skip : negated conditional → KILLED |
while(i++ < n && (b = tapped.read()) != -1) { |
66 |
1
1. skip : removed call to java/io/ByteArrayOutputStream::write → KILLED |
tap.write(b); |
67 | } | |
68 |
1
1. skip : replaced return of long value with value + 1 for io/earcam/utilitarian/io/WiretapInputStream::skip → SURVIVED |
return i; |
69 | } | |
70 |
1
1. skip : replaced return of long value with value + 1 for io/earcam/utilitarian/io/WiretapInputStream::skip → SURVIVED |
return super.skip(n); |
71 | } | |
72 | ||
73 | ||
74 | @Override | |
75 | public void close() throws IOException | |
76 | { | |
77 |
1
1. close : removed call to java/io/InputStream::close → KILLED |
tapped.close(); |
78 | } | |
79 | ||
80 | ||
81 | @Override | |
82 | public int read() throws IOException | |
83 | { | |
84 | int read = tapped.read(); | |
85 |
1
1. read : negated conditional → KILLED |
if(marked) { |
86 |
1
1. read : Replaced integer addition with subtraction → KILLED |
++mark; |
87 |
1
1. read : negated conditional → KILLED |
if(tapping) { |
88 |
1
1. read : removed call to java/io/ByteArrayOutputStream::write → KILLED |
tap.write(read); |
89 | } | |
90 |
2
1. read : changed conditional boundary → KILLED 2. read : negated conditional → KILLED |
} else if(mark > 0) { |
91 |
1
1. read : Replaced integer subtraction with addition → KILLED |
--mark; |
92 |
1
1. read : negated conditional → KILLED |
} else if(tapping) { |
93 |
1
1. read : removed call to java/io/ByteArrayOutputStream::write → KILLED |
tap.write(read); |
94 | } | |
95 |
1
1. read : replaced return of integer sized value with (x == 0 ? 1 : 0) → KILLED |
return read; |
96 | } | |
97 | ||
98 | ||
99 | public byte[] toByteArray() | |
100 | { | |
101 |
1
1. toByteArray : mutated return of Object value for io/earcam/utilitarian/io/WiretapInputStream::toByteArray to ( if (x != null) null else throw new RuntimeException ) → KILLED |
return tap.toByteArray(); |
102 | } | |
103 | ||
104 | ||
105 | public boolean tapping() | |
106 | { | |
107 |
1
1. tapping : replaced return of integer sized value with (x == 0 ? 1 : 0) → KILLED |
return tapping; |
108 | } | |
109 | ||
110 | ||
111 | public void tapping(boolean tapOn) | |
112 | { | |
113 | tapping = tapOn; | |
114 | } | |
115 | ||
116 | ||
117 | public void tapOn() | |
118 | { | |
119 |
1
1. tapOn : removed call to io/earcam/utilitarian/io/WiretapInputStream::tapping → KILLED |
tapping(true); |
120 | } | |
121 | ||
122 | ||
123 | public void tapOff() | |
124 | { | |
125 |
1
1. tapOff : removed call to io/earcam/utilitarian/io/WiretapInputStream::tapping → KILLED |
tapping(false); |
126 | } | |
127 | } | |
Mutations | ||
47 |
1.1 |
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55 |
1.1 |
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62 |
1.1 |
|
65 |
1.1 2.2 3.3 4.4 |
|
66 |
1.1 |
|
68 |
1.1 |
|
70 |
1.1 |
|
77 |
1.1 |
|
85 |
1.1 |
|
86 |
1.1 |
|
87 |
1.1 |
|
88 |
1.1 |
|
90 |
1.1 2.2 |
|
91 |
1.1 |
|
92 |
1.1 |
|
93 |
1.1 |
|
95 |
1.1 |
|
101 |
1.1 |
|
107 |
1.1 |
|
119 |
1.1 |
|
125 |
1.1 |