CRAWLING_EXCEPTION,
    /** Indicates no URL is available in the queue. */
    NO_URL_IN_QUEUE,
    /** Indicates the start of a crawler thread. */
    START_THREAD,
    /** Indicates the finish of a crawler thread. */
    FINISHED_THREAD,
    /** Indicates no response processor is available. */
    NO_RESPONSE_PROCESSOR,
    /** Indicates no rule is available for processing. */
    NO_RULE,

    /**
     * Returns the number of bytes that can be read from this input stream without blocking.
     *
     * @return the number of bytes available
     * @throws IOException if an I/O error occurs
     */
    @Override
    public int available() throws IOException {
        return inputStream.available();
    }

    /**
     * Indicates whether some other object is equal to this one.
     *

     * @return the component instance of the specified type
     */
    <T> T getComponent(String name);

    /**
     * Checks if the crawler container is available.
     *
     * @return true if the crawler container is available, false otherwise.
     */
    boolean available();

    /**
     * Cleans up resources and performs any necessary finalization tasks
     * before the object is destroyed. This method should be called to

    }

    @Override
    public <T> T getComponent(final String name) {
        return SingletonLaContainerFactory.getContainer().getComponent(name);
    }

    @Override
    public boolean available() {
        return SingletonLaContainerFactory.hasContainer();
    }

    @Override
    public void destroy() {
        SingletonLaContainerFactory.destroy();
    }

     * @see java.io.InputStream#read()
     */
    @Override
    public int read() throws IOException {
        return fileInputStream.read();
    }

    @Override
    public int available() throws IOException {
        return fileInputStream.available();
    }

    /**
     * Closes this input stream and releases any system resources associated with the stream.
     * @throws IOException if an I/O error occurs.
     */

         * @throws InsufficientDataException If insufficient data is available
         * @throws InternalException If an internal error occurs
         * @throws InvalidResponseException If the response is invalid
         * @throws NoSuchAlgorithmException If the algorithm is not available
         * @throws XmlParserException If XML parsing fails
         * @throws IOException If an I/O error occurs

/**
 * Exception thrown when there is an issue with the suggest settings.
 * This exception extends {@link RuntimeException}, so it is an unchecked exception.
 *
 * <p>There are three constructors available for this exception:</p>
 * <ul>
 *   <li>{@link #SuggestSettingsException(String)}: Constructs a new exception with the specified detail message.</li>

            return (T) componentHolder.get();
        }
        return null;
    }

    @Override
    public boolean available() {
        return available;
    }

    @Override
    public void destroy() {
        available = false;
        for (final ComponentHolder<?> componentHolder : singletonMap.values()) {
            try {
                componentHolder.destroy();

     */
    public CrawlerClientFactory() {
        // NOP
    }

    /**
     * Initializes the CrawlerClientFactory.
     * Attempts to register itself with a "crawlerClientCreator" component if available.
     */
    @PostConstruct
    public void init() {
        try {
            final CrawlerClientCreator creator = crawlerContainer.getComponent("crawlerClientCreator");
            if (creator != null) {

        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to create {}.", componentName, e);
            } else {
                logger.info("{} is not available.", componentName);
            }
        }
    }

    /**
     * Sets the maximum client factory size.
     * @param maxClientFactorySize The maximum size.
     */