import org.codelibs.core.lang.StringUtil;

/**
 * EncodingHelper provides utility methods for managing and normalizing character encodings.
 * It allows setting a default encoding, mapping various encoding names to preferred ones,
 * and normalizing an encoding string to its preferred form or the default if no mapping is found.
 */
public class EncodingHelper {

    /** The default encoding to use when no mapping is found */

     * @return the normalized encoding name
     */
    protected String normalizeEncoding(final String encoding) {
        try {
            final EncodingHelper encodingHelper = crawlerContainer.getComponent("encodingHelper");
            return encodingHelper.normalize(encoding);
        } catch (final Exception e) {
            // NOP
        }
        return encoding;
    }

    /**

                .singleton("sitemapsHelper", SitemapsHelper.class)
                .singleton("logHelper", LogHelperImpl.class)
                .singleton("encodingHelper", EncodingHelper.class)
                .singleton("contentLengthHelper", ContentLengthHelper.class)
                .singleton("mimeTypeHelper", MimeTypeHelperImpl.class)