/**
 * Helper class for path mapping configuration.
 */
public class PathMappingHelper extends AbstractConfigHelper {

    /**
     * Default constructor.
     */
    public PathMappingHelper() {
        super();
    }

    private static final Logger logger = LogManager.getLogger(PathMappingHelper.class);

    /** Function matcher for encode URL. */

        assertNull(pathMappingHelper.getPathMappingList(sessionId));
        assertNull(pathMappingHelper.getPathMappingList(sessionId + "1"));
        pathMappingHelper.setPathMappingList(sessionId, pathMappingList);
        assertNotNull(pathMappingHelper.getPathMappingList(sessionId));
        assertNull(pathMappingHelper.getPathMappingList(sessionId + "1"));
        pathMappingHelper.removePathMappingList(sessionId);

        return asDocMeta().version();
    }

    public void setVersionNo(final Long version) {
        asDocMeta().version(version);
    }

    public String process(final PathMappingHelper pathMappingHelper, final String input) {
        if (regexPattern == null) {
            regexPattern = Pattern.compile(getRegex());
        }
        final Matcher matcher = regexPattern.matcher(input);

        userAgentHelper = new UserAgentHelper();
        ComponentUtil.register(userAgentHelper, "userAgentHelper");
        pathMappingHelper = new PathMappingHelper();
        pathMappingHelper.init();
        ComponentUtil.register(pathMappingHelper, "pathMappingHelper");
        FileTypeHelper fileTypeHelper = new FileTypeHelper();
        ComponentUtil.register(fileTypeHelper, "fileTypeHelper");

	</component>
	<component name="logNotificationHelper" class="org.codelibs.fess.helper.LogNotificationHelper">
	</component>
	<component name="pathMappingHelper" class="org.codelibs.fess.helper.PathMappingHelper">
	</component>
	<component name="permissionHelper" class="org.codelibs.fess.helper.PermissionHelper">
	</component>
	<component name="processHelper" class="org.codelibs.fess.helper.ProcessHelper">

    //
    /** Logger for this class. */
    private static final Logger logger = LogManager.getLogger(GoAction.class);

    /** Helper for URL path mapping and transformation. */
    @Resource
    protected PathMappingHelper pathMappingHelper;

    // ===================================================================================
    //                                                                           Attribute
    //

    private CrawlingInfoHelper crawlingInfoHelper;
    private SystemHelper systemHelper;
    private FessConfig fessConfig;
    private DynamicProperties systemProperties;
    private PathMappingHelper pathMappingHelper;
    private DuplicateHostHelper duplicateHostHelper;
    private NotificationHelper notificationHelper;
    private Postbox postbox;

    @Override

        final CrawlingInfoHelper crawlingInfoHelper = ComponentUtil.getCrawlingInfoHelper();
        final String sessionId = crawlingInfoHelper.getCanonicalSessionId(responseData.getSessionId());
        final PathMappingHelper pathMappingHelper = ComponentUtil.getPathMappingHelper();
        final CrawlingConfig crawlingConfig = getCrawlingConfig(responseData);
        final Date documentExpires = crawlingInfoHelper.getDocumentExpires(crawlingConfig);

        fessXpathTransformer.init();
        SingletonLaContainerFactory.getContainer().register(CrawlingInfoHelper.class, "crawlingInfoHelper");
        SingletonLaContainerFactory.getContainer().register(PathMappingHelper.class, "pathMappingHelper");
        SingletonLaContainerFactory.getContainer().register(CrawlingConfigHelper.class, "crawlingConfigHelper");
        SingletonLaContainerFactory.getContainer().register(SystemHelper.class, "systemHelper");

        final CrawlingInfoHelper crawlingInfoHelper = ComponentUtil.getCrawlingInfoHelper();
        final String sessionId = crawlingInfoHelper.getCanonicalSessionId(responseData.getSessionId());
        final PathMappingHelper pathMappingHelper = ComponentUtil.getPathMappingHelper();
        final Date documentExpires = crawlingInfoHelper.getDocumentExpires(crawlingConfig);
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();