public void clearCache()

in src/main/java/org/apache/maven/buildcache/LocalCacheRepositoryImpl.java [185:219]
33 lines of code
8 McCabe index (conditional complexity)

    public void clearCache(CacheContext context) {
        try {
            final Path buildCacheDir = buildCacheDir(context);
            Path artifactCacheDir = buildCacheDir.getParent();

            if (!Files.exists(artifactCacheDir)) {
                return;
            }

            List<Path> cacheDirs = new ArrayList<>();
            try (DirectoryStream<Path> paths = Files.newDirectoryStream(artifactCacheDir)) {
                for (Path dir : paths) {
                    if (Files.isDirectory(dir)) {
                        cacheDirs.add(dir);
                    }
                }
            }
            int maxLocalBuildsCached = cacheConfig.getMaxLocalBuildsCached() - 1;
            if (cacheDirs.size() > maxLocalBuildsCached) {
                cacheDirs.sort(Comparator.comparing(LocalCacheRepositoryImpl::lastModifiedTime));
                for (Path dir : cacheDirs.subList(0, cacheDirs.size() - maxLocalBuildsCached)) {
                    FileUtils.deleteDirectory(dir.toFile());
                }
            }
            final Path path = localBuildDir(context);
            if (Files.exists(path)) {
                FileUtils.deleteDirectory(path.toFile());
            }
        } catch (IOException e) {
            final String artifactId = context.getProject().getArtifactId();
            throw new RuntimeException(
                    "Failed to cleanup local cache of " + artifactId + " on build failure, it might be inconsistent",
                    e);
        }
    }