public static boolean zip()

in src/main/java/org/apache/maven/buildcache/CacheUtils.java [175:200]

• 23 lines of code
• 4 McCabe index (conditional complexity)

    public static boolean zip(final Path dir, final Path zip, final String glob) throws IOException {
        final MutableBoolean hasFiles = new MutableBoolean();
        try (ZipOutputStream zipOutputStream = new ZipOutputStream(Files.newOutputStream(zip))) {

            PathMatcher matcher =
                    "*".equals(glob) ? null : FileSystems.getDefault().getPathMatcher("glob:" + glob);
            Files.walkFileTree(dir, new SimpleFileVisitor<Path>() {

                @Override
                public FileVisitResult visitFile(Path path, BasicFileAttributes basicFileAttributes)
                        throws IOException {

                    if (matcher == null || matcher.matches(path.getFileName())) {
                        final ZipEntry zipEntry =
                                new ZipEntry(dir.relativize(path).toString());
                        zipOutputStream.putNextEntry(zipEntry);
                        Files.copy(path, zipOutputStream);
                        hasFiles.setTrue();
                        zipOutputStream.closeEntry();
                    }
                    return FileVisitResult.CONTINUE;
                }
            });
        }
        return hasFiles.booleanValue();
    }