| 1 | /*- | |
| 2 | * #%L | |
| 3 | * io.earcam.utilitarian.io | |
| 4 | * %% | |
| 5 | * Copyright (C) 2017 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.IOException; | |
| 22 | import java.io.OutputStream; | |
| 23 | ||
| 24 | import javax.annotation.concurrent.NotThreadSafe; | |
| 25 | ||
| 26 | /** | |
| 27 | * A search and replace filtering {@link OutputStream} wrapper | |
| 28 | * | |
| 29 | * @see ReplaceAllInputStream | |
| 30 | */ | |
| 31 | @SuppressWarnings("squid:S4349") // Sonar: Not applicable IMO | |
| 32 | @NotThreadSafe | |
| 33 | public final class ReplaceAllOutputStream extends OutputStream { | |
| 34 | ||
| 35 | private final byte[] search; | |
| 36 | private final byte[] replace; | |
| 37 | private final OutputStream wrapped; | |
| 38 | private int position; | |
| 39 | ||
| 40 | ||
| 41 | /** | |
| 42 | * Create a new {@link ReplaceAllOutputStream} | |
| 43 | * | |
| 44 | * @param search the byte sequence to search for | |
| 45 | * @param replace the replacement byte sequence to substitute when the {@code search} sequence if found | |
| 46 | * @param output the {@link OutputStream} to operate on | |
| 47 | */ | |
| 48 | public ReplaceAllOutputStream(byte[] search, byte[] replace, OutputStream output) | |
| 49 | { | |
| 50 | this.search = search; | |
| 51 | this.replace = replace; | |
| 52 | this.wrapped = output; | |
| 53 | this.position = 0; | |
| 54 | } | |
| 55 | ||
| 56 | ||
| 57 | @Override | |
| 58 | public void write(int b) throws IOException | |
| 59 | { | |
| 60 |
1
1. write : negated conditional → KILLED |
if(position == search.length) { |
| 61 |
1
1. write : removed call to java/io/OutputStream::write → KILLED |
wrapped.write(replace); |
| 62 | position = 0; | |
| 63 | } | |
| 64 |
1
1. write : negated conditional → KILLED |
if(search[position] == b) { |
| 65 |
1
1. write : Replaced integer addition with subtraction → KILLED |
++position; |
| 66 | } else { | |
| 67 |
1
1. write : removed call to java/io/OutputStream::write → KILLED |
wrapped.write(search, 0, position); |
| 68 |
1
1. write : removed call to java/io/OutputStream::write → KILLED |
wrapped.write(b); |
| 69 | position = 0; | |
| 70 | } | |
| 71 | } | |
| 72 | ||
| 73 | ||
| 74 | @Override | |
| 75 | public void close() throws IOException | |
| 76 | { | |
| 77 |
2
1. close : changed conditional boundary → SURVIVED 2. close : negated conditional → KILLED |
if(position > 0) { |
| 78 |
1
1. close : removed call to java/io/OutputStream::write → KILLED |
wrapped.write(search, 0, position); |
| 79 | } | |
| 80 |
1
1. close : removed call to java/io/OutputStream::close → KILLED |
wrapped.close(); |
| 81 | } | |
| 82 | } | |
Mutations | ||
| 60 |
1.1 |
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| 61 |
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| 64 |
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| 65 |
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| 67 |
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| 68 |
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| 77 |
1.1 2.2 |
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| 78 |
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| 80 |
1.1 |