}
        return libDir.listFiles((file, name) -> name.startsWith(namePrefix));
    }

    public static File[] getPluginJarFiles(final String namePrefix) {
        return getPluginJarFiles((file, name) -> name.startsWith(namePrefix));
    }

    public static File[] getPluginJarFiles(final FilenameFilter filter) {
        final ServletContext context = LaServletContextUtil.getServletContext();
        if (context == null) {

        }
    }

    public Artifact[] getInstalledArtifacts(final ArtifactType artifactType) {
        if (artifactType == ArtifactType.UNKNOWN) {
            final File[] jarFiles = ResourceUtil.getPluginJarFiles((d, n) -> {
                for (final ArtifactType type : ArtifactType.values()) {
                    if (n.startsWith(type.getId())) {
                        return false;
                    }
                }

        }
        return dataStoreNames;
    }

    protected List<String> loadDataStoreNameList() {
        final Set<String> nameSet = new HashSet<>();
        final File[] jarFiles = ResourceUtil.getPluginJarFiles(PluginHelper.ArtifactType.DATA_STORE.getId());
        for (final File jarFile : jarFiles) {
            try (FileSystem fs = FileSystems.newFileSystem(jarFile.toPath(), ClassLoader.getSystemClassLoader())) {