1 /*
2 * The MIT License (MIT)
3 *
4 * Copyright (c) 2013-2026 The Coveralls Maven Plugin Project Contributors:
5 * https://github.com/hazendaz/coveralls-maven-plugin/graphs/contributors
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25 package org.eluder.coveralls.maven.plugin.parser;
26
27 import java.io.File;
28 import java.io.IOException;
29
30 import javax.xml.stream.XMLStreamException;
31 import javax.xml.stream.XMLStreamReader;
32
33 import org.eluder.coveralls.maven.plugin.ProcessingException;
34 import org.eluder.coveralls.maven.plugin.domain.Source;
35 import org.eluder.coveralls.maven.plugin.source.SourceCallback;
36 import org.eluder.coveralls.maven.plugin.source.SourceLoader;
37
38 /**
39 * The Class JaCoCoParser.
40 */
41 public class JaCoCoParser extends AbstractXmlEventParser {
42
43 /** The package name. */
44 private String packageName;
45
46 /** The source. */
47 private Source source;
48
49 /** The branch id. */
50 private int branchId;
51
52 /**
53 * Instantiates a new jacoco parser.
54 *
55 * @param coverageFile
56 * the coverage file
57 * @param sourceLoader
58 * the source loader
59 */
60 public JaCoCoParser(final File coverageFile, final SourceLoader sourceLoader) {
61 super(coverageFile, sourceLoader);
62 }
63
64 @Override
65 protected void onEvent(final XMLStreamReader xml, final SourceCallback callback)
66 throws XMLStreamException, ProcessingException, IOException {
67 if (this.isStartElement(xml, "package")) {
68 this.packageName = xml.getAttributeValue(null, "name");
69 } else if (this.isStartElement(xml, "sourcefile") && this.packageName != null) {
70 final var sourceFile = this.packageName + "/" + xml.getAttributeValue(null, "name");
71 this.source = this.loadSource(sourceFile);
72 this.branchId = 0;
73 } else if (this.isStartElement(xml, "line") && this.source != null) {
74 final var ci = Integer.parseInt(xml.getAttributeValue(null, "ci"));
75 final var cb = Integer.parseInt(xml.getAttributeValue(null, "cb"));
76 final var mb = Integer.parseInt(xml.getAttributeValue(null, "mb"));
77 final var nr = Integer.parseInt(xml.getAttributeValue(null, "nr"));
78
79 // jacoco does not count hits. this is why hits is always 0 or 1
80 this.source.addCoverage(nr, ci == 0 ? 0 : 1);
81
82 // add branches. unfortunately, there is NO block number and
83 // branch number will NOT be unique between coverage changes.
84 for (var b = 0; b < cb; b++) {
85 this.source.addBranchCoverage(nr, 0, this.branchId++, 1);
86 }
87 for (var b = 0; b < mb; b++) {
88 this.source.addBranchCoverage(nr, 0, this.branchId++, 0);
89 }
90 } else if (this.isEndElement(xml, "sourcefile") && this.source != null) {
91 callback.onSource(this.source);
92 this.source = null;
93 } else if (this.isEndElement(xml, "package")) {
94 this.packageName = null;
95 }
96 }
97
98 }