1 /*
2 * The MIT License (MIT)
3 *
4 * Copyright (c) 2013 - 2023, Tapio Rautonen
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 package org.eluder.coveralls.maven.plugin.util;
25
26 import java.io.File;
27 import java.util.ArrayList;
28 import java.util.Iterator;
29
30 public class ExistingFiles implements Iterable<File> {
31
32 private final ArrayList<File> delegate = new ArrayList<>();
33
34 public ExistingFiles addAll(final Iterable<File> files) {
35 if (files == null) {
36 throw new NullPointerException("Files must be defined");
37 }
38 for (File file : files) {
39 add(file);
40 }
41 return this;
42 }
43
44 public ExistingFiles add(final File file) {
45 if (file == null) {
46 throw new NullPointerException("File must be defined");
47 }
48 if (file.exists() && file.isFile() && !delegate.contains(file)) {
49 delegate.add(file);
50 }
51 return this;
52 }
53
54 @Override
55 public Iterator<File> iterator() {
56 return delegate.iterator();
57 }
58
59 public static ExistingFiles create(final Iterable<File> files) {
60 ExistingFiles existingFiles = new ExistingFiles();
61 if (files != null) {
62 existingFiles.addAll(files);
63 }
64 return existingFiles;
65 }
66 }