protected void activate()

in src/main/java/org/apache/sling/fsprovider/internal/FsResourceProvider.java [302:363]
54 lines of code
12 McCabe index (conditional complexity)

    protected void activate(BundleContext bundleContext, final Config config) {
        fsMode = config.provider_fs_mode();
        String providerRoot = config.provider_root();
        if (StringUtils.isBlank(providerRoot)) {
            throw new IllegalArgumentException("provider.root property must be set");
        }

        String providerFileName = config.provider_file();
        if (StringUtils.isBlank(providerFileName)) {
            throw new IllegalArgumentException("provider.file property must be set");
        }

        this.providerRoot = providerRoot;
        this.providerFile = getProviderFile(providerFileName, bundleContext);
        this.overlayParentResourceProvider = false;

        InitialContentImportOptions options = new InitialContentImportOptions(config.provider_initial_content_import_options());
        File filterXmlFile = null;

        List<String> contentFileSuffixes = new ArrayList<>();
        if (fsMode == FsMode.FILEVAULT_XML) {
            contentFileSuffixes.add("/" + DOT_CONTENT_XML);
            contentFileSuffixes.add(ContentFileTypes.XML_SUFFIX);
            if (StringUtils.isNotBlank(config.provider_filevault_filterxml_path())) {
                filterXmlFile = new File(config.provider_filevault_filterxml_path());
            }
        }
        else if (fsMode == FsMode.FILES_FOLDERS) {
            overlayParentResourceProvider = true;
        }
        else if (fsMode == FsMode.INITIAL_CONTENT) {
            overlayParentResourceProvider = !options.isOverwrite();
            if (!options.getIgnoreImportProviders().contains(ContentType.JSON.getExtension())) {
                contentFileSuffixes.add(ContentFileTypes.JSON_SUFFIX);
            }
            if (!options.getIgnoreImportProviders().contains(ContentType.JCR_XML.getExtension())) {
                contentFileSuffixes.add(ContentFileTypes.JCR_XML_SUFFIX);
            }
            if (!options.getIgnoreImportProviders().contains(ContentType.XML.getExtension())) {
                contentFileSuffixes.add(ContentFileTypes.XML_SUFFIX);
            }
        }
        ContentFileExtensions contentFileExtensions = new ContentFileExtensions(contentFileSuffixes);

        this.contentFileCache = new ContentFileCache(config.provider_cache_size());
        this.fileStatCache = new FileStatCache(this.providerFile);

        if (fsMode == FsMode.FILEVAULT_XML) {
            this.fileVaultMapper = new FileVaultResourceMapper(this.providerFile, filterXmlFile, this.contentFileCache, this.fileStatCache);
        }
        else {
            this.fileMapper = new FileResourceMapper(this.providerRoot, this.providerFile, contentFileExtensions, this.contentFileCache, this.fileStatCache);
            this.contentFileMapper = new ContentFileResourceMapper(this.providerRoot, this.providerFile,
                    contentFileExtensions, this.contentFileCache, this.fileStatCache);
        }

        // start background monitor if check interval is higher than 100
        if (config.provider_checkinterval() > 100) {
            this.monitor = new FileMonitor(this, config.provider_checkinterval(), fsMode,
                    contentFileExtensions, this.contentFileCache, this.fileStatCache);
        }
    }