*/
package org.codelibs.fess.suggest.normalizer;

/**
 * An interface for normalizing text.
 * Implementations of this interface should provide a method to normalize
 * a given text based on the specified field and optional language parameters.
 */
public interface Normalizer {
    /**
     * Normalizes the given text.
     * @param text The text to normalize
     * @param field The field name

                chain.add(new LangAnalyzerNormalizer(lang));
            }
            normalizer = chain;
        }
        return normalizer.normalize(text, field);
    }

    /**
     * Language-specific analyzer normalizer.
     */
    protected class LangAnalyzerNormalizer implements Normalizer {
        /**
         * The language used for normalization.
         */
        protected final String lang;

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.suggest.normalizer;

/**
 * Normalizes full-width alphanumeric characters to half-width alphanumeric characters.
 */
public class FullWidthToHalfWidthAlphabetNormalizer implements Normalizer {
    /**
     * Constructs a new {@link FullWidthToHalfWidthAlphabetNormalizer}.
     */

     */
    public EncodingHelper() {
        // Default constructor
    }

    /**
     * Normalizes an encoding string to its preferred form.
     *
     * @param enc the encoding string to normalize
     * @return the normalized encoding or the default encoding if the input is blank
     */
    public String normalize(final String enc) {
        if (StringUtil.isBlank(enc)) {
            return defaultEncoding;
        }

            throw new MimeTypeException("Could not detect a content type.", e);
        }
    }

    /**
     * Normalizes the filename by replacing special characters.
     * @param filename The filename to normalize.
     * @return The normalized filename.
     */
    protected String normalizeFilename(final String filename) {
        if (StringUtil.isBlank(filename)) {
            return filename;

            this.spaceChars = spaceChars;
            return this;
        }
    }

    /**
     * Normalizes the text from the given Reader.
     *
     * @param reader the Reader from which to read the text to be normalized
     * @return a TextNormalizeContext containing the normalized text
     */
    public static TextNormalizeContext normalizeText(final Reader reader) {

        }

        return normalizeEncoding(encoding);
    }

    /**
     * Normalizes the encoding name using the encoding helper.
     *
     * @param encoding the encoding name to normalize
     * @return the normalized encoding name
     */
    protected String normalizeEncoding(final String encoding) {
        try {

        }
        return tmp;
    }

    /**
     * Adds a normalizer to the chain.
     * @param normalizer The normalizer to add.
     */
    public void add(final Normalizer normalizer) {
        normalizers.add(normalizer);
    }

 * <pre>
 * {@code
 * HankakuKanaToZenkakuKana normalizer = new HankakuKanaToZenkakuKana();
 * String normalized = normalizer.normalize("ｶﾞｷﾞｸﾞｹﾞｺﾞ", "field");
 * System.out.println(normalized); // Outputs: ガギグゲゴ
 * }
 * </pre>
 *
 * <p>Note: This class assumes that the input string contains valid Hankaku Kana characters
 * and does not perform any validation on the input.</p>
 *
 * @see Normalizer
 */

            }
        }

        /**
         * Normalizes the URL string by cleaning up multiple slashes and resolving relative paths.
         * This method ensures the URL is in a consistent format for FTP operations.
         *
         * @param s The URL string to normalize
         * @return The normalized URL string
         */
        protected String normalize(final String s) {
            if (s == null) {