Objects.requireNonNull(input, "input cannot be null");

        try (Reader in = input) {
            return new Metadata(new MetadataStaxReader().read(in, isStrict(options)));
        } catch (XMLStreamException e) {
            throw new MetadataParseException(
                    e.getMessage(),
                    e.getLocation().getLineNumber(),
                    e.getLocation().getColumnNumber(),

    public int run(String[] args) throws IOException {
        try (Invoker<R> invoker = createInvoker()) {
            return invoker.invoke(parseArguments(args));
        } catch (ParserException e) {
            System.err.println(e.getMessage());
            return 1;
        } catch (InvokerException e) {
            return 1;
        } finally {
            if (classWorldManaged) {
                classWorld.close();
            }
        }

     * @throws IOException java.io.IOException if any.
     */
    public void write(Writer writer, Model model) throws IOException {
        try {
            delegate.write(writer, model.getDelegate());
        } catch (XMLStreamException e) {
            throw new IOException(e);
        }
    } // -- void write( Writer, Model )

    /**
     * Method write.
     *
     * @param stream a stream object.

        body.crudMode = CrudMode.CREATE;
        final DataConfig dataConfig = getDataConfig(body).map(entity -> {
            try {
                dataConfigService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
            }

        final DOMParser parser = getDomParser();
        try (final Reader reader = new StringReader(content)) {
            parser.parse(new InputSource(reader));
        } catch (final Exception e) {
            logger.warn("Failed to parse the content.", e);
            return new ExtractData(extractString(content));
        }

        final Document document = parser.getDocument();
        try {

            return new ExtractData(buf.toString().replaceAll("\\s+", " ").trim());
        } catch (final Exception e) {
            throw new ExtractException(e);
        }
    }

    protected XPathAPI getXPathAPI() {
        try {
            return xpathAPICache.get(Thread.currentThread().getName());
        } catch (final ExecutionException e) {
            if (logger.isDebugEnabled()) {

        } catch (final Exception e) {
            throw new FessSystemException("Failed to parse project.properties.", e);
        }
    }

    @PreDestroy
    public void destroy() {
        shutdownHookList.forEach(action -> {
            try {
                action.run();
            } catch (final Exception e) {

                return redirect(getClass()); // no-op
            }
            String line;
            while ((line = ReaderUtil.readLine(reader)) != null) {
                buf.append(line);
            }
        } catch (final Exception e) {
            throwValidationError(messages -> messages.addErrorsFailedToReadRequestFile(GLOBAL, e.getMessage()),
                    () -> asListHtml(this::saveToken));
        }

            });
            return null;
        });
        try {
            pathMappingService.store(entity);
            saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
        } catch (final Exception e) {
            logger.warn("Failed to process a request.", e);
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
        }

        body.crudMode = CrudMode.CREATE;
        final RelatedContent relatedContent = getRelatedContent(body).map(entity -> {
            try {
                relatedContentService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
            }