*
     * @param names the path components to append to the plugin directory
     * @return the Path object pointing to the plugin directory
     */
    public static Path getPluginPath(final String... names) {
        return getPath("WEB-INF/", "plugin", names);
    }

    /**
     * Gets the path to the project properties file.
     *

     * @return the path to the JAR file
     * @throws ThemeException if the JAR file does not exist
     */
    protected Path getJarFile(final Artifact artifact) {
        final Path jarPath = ResourceUtil.getPluginPath(artifact.getFileName());
        if (!Files.exists(jarPath)) {
            throw new ThemeException(artifact.getFileName() + " does not exist.");
        }
        return jarPath;
    }

                    CopyUtil.copy(in, ResourceUtil.getPluginPath(fileName).toFile());
                }
            } catch (final Exception e) {
                throw new PluginException("Failed to install the artifact " + artifact.getName(), e);
            }
        } else {
            try (final InputStream in = new FileInputStream(url)) {
                CopyUtil.copy(in, ResourceUtil.getPluginPath(fileName).toFile());

        assertNotNull(sitePath);
        assertTrue(sitePath.toString().contains("site"));
    }

    public void test_getPluginPath() {
        Path pluginPath = ResourceUtil.getPluginPath("plugin.jar");
        assertNotNull(pluginPath);
        assertTrue(pluginPath.toString().contains("plugin"));
    }

    public void test_getProjectPropertiesFile() {