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Styled XML parser is used by iText7 modules to parse HTML and XML

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/*
    This file is part of jsoup, see NOTICE.txt in the root of the repository.
    It may contain modifications beyond the original version.
*/
package com.itextpdf.styledxmlparser.jsoup.internal;

import java.util.Locale;

/**
 * Util methods for normalizing strings. Jsoup internal use only, please don't depend on this API.
 */
public final class Normalizer {

    public static String lowerCase(final String input) {
        return input != null ? input.toLowerCase(Locale.ENGLISH) : "";
    }

    public static String normalize(final String input) {
        return lowerCase(input).trim();
    }

    public static String normalize(final String input, boolean isStringLiteral) {
        return isStringLiteral ? lowerCase(input) : normalize(input);
    }
}