Java 类org.apache.commons.lang3.text.translate.LookupTranslator 实例源码

private String escapeJava(String str, boolean unicode) {
    CharSequenceTranslator tr = new LookupTranslator(new String[][] {
            { "\"", "\\\"" }, { "\\", "\\\\" } })
            .with(new CharSequenceTranslator[] { new LookupTranslator(
                    EntityArrays.JAVA_CTRL_CHARS_ESCAPE()) });
    if (unicode)
        tr = tr.with(new CharSequenceTranslator[] { UnicodeEscaper
                .outsideOf(32, 127) });
    return tr.translate(str);
}

/**
 * Unescapes special entity char sequences like < to its UTF-8 representation.
 * All ISO-8859-1, HTML4 and Basic entities will be translated.
 *
 * @param text the text that will be unescaped
 * @return the unescaped version of the string text
 */
public static String unescapeEntities(String text) {
    CharSequenceTranslator iso = new LookupTranslator(EntityArrays.ISO8859_1_UNESCAPE());
    CharSequenceTranslator basic = new LookupTranslator(EntityArrays.BASIC_UNESCAPE());
    //CharSequenceTranslator html4 = new LookupTranslator(EntityArrays.HTML40_EXTENDED_UNESCAPE());
    return StringEscapeUtils.unescapeHtml4(iso.translate(basic.translate(text)));
}