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.util;
26
27 import java.io.File;
28 import java.util.ArrayList;
29 import java.util.Iterator;
30 import java.util.List;
31 import java.util.function.Function;
32
33 import org.eluder.coveralls.maven.plugin.CoverageParser;
34
35 /**
36 * The Class ExistingFiles.
37 */
38 public class ExistingFiles implements Iterable<File> {
39
40 /** The delegate. */
41 private final List<File> delegate = new ArrayList<>();
42
43 /**
44 * Instantiates a new existing files.
45 */
46 public ExistingFiles() {
47 // do nothing
48 }
49
50 /**
51 * Adds the all.
52 *
53 * @param files
54 * the files
55 *
56 * @return the existing files
57 */
58 public ExistingFiles addAll(final Iterable<File> files) {
59 if (files == null) {
60 throw new NullPointerException("Files must be defined");
61 }
62 for (final File file : files) {
63 this.add(file);
64 }
65 return this;
66 }
67
68 /**
69 * Adds the.
70 *
71 * @param file
72 * the file
73 *
74 * @return the existing files
75 */
76 public ExistingFiles add(final File file) {
77 if (file == null) {
78 throw new NullPointerException("File must be defined");
79 }
80 if (file.exists() && file.isFile() && !this.delegate.contains(file)) {
81 this.delegate.add(file);
82 }
83 return this;
84 }
85
86 @Override
87 public Iterator<File> iterator() {
88 return this.delegate.iterator();
89 }
90
91 /**
92 * Creates the.
93 *
94 * @param files
95 * the files
96 *
97 * @return the existing files
98 */
99 public static ExistingFiles create(final Iterable<File> files) {
100 final var existingFiles = new ExistingFiles();
101 if (files != null) {
102 existingFiles.addAll(files);
103 }
104 return existingFiles;
105 }
106
107 /**
108 * Converts existing files to a list of CoverageParser using the provided function.
109 *
110 * @param parserFunction
111 * function to convert File to CoverageParser
112 *
113 * @return list of CoverageParser for valid files
114 */
115 public List<CoverageParser> toParsers(Function<File, CoverageParser> parserFunction) {
116 final List<CoverageParser> parsers = new ArrayList<>();
117 for (final File file : this.delegate) {
118 parsers.add(parserFunction.apply(file));
119 }
120 return parsers;
121 }
122 }