java- HTMLEntity 변환 코드

 

 

아래 코드에서 참조했으나.. 버그가 있어서 좀 수정.

http://www.michaelyagudaev.com/programming/sql/7

 

 

public class HtmlEntities {
    private static Map<String, Character> map = new LinkedHashMap<String, Character>();

    static {
        map.put("&amp;", (char)38);
        map.put("&lt;", (char)60);
        map.put("&gt;", (char)62);
       
        map.put("&quot;", (char)34);
        map.put("&nbsp;", (char)160);
        map.put("&iexcl;", (char)161);
        map.put("&cent;", (char)162);
        map.put("&pound;", (char)163);
        map.put("&curren;", (char)164);
        map.put("&yen;", (char)165);
        map.put("&brvbar;", (char)166);
        map.put("&sect;", (char)167);
        map.put("&uml;", (char)168);
        map.put("&copy;", (char)169);
        map.put("&ordf;", (char)170);
        map.put("&laquo;", (char)171);
        map.put("&not;", (char)172);
        map.put("&shy;", (char)173);
        map.put("&reg;", (char)174);
        map.put("&macr;", (char)175);
        map.put("&deg;", (char)176);
        map.put("&plusmn;", (char)177);
        map.put("&sup2;", (char)178);
        map.put("&sup3;", (char)179);
        map.put("&acute;", (char)180);
        map.put("&micro;", (char)181);
        map.put("&para;", (char)182);
        map.put("&middot;", (char)183);
        map.put("&cedil;", (char)184);
        map.put("&sup1;", (char)185);
        map.put("&ordm;", (char)186);
        map.put("&raquo;", (char)187);
        map.put("&frac14;", (char)188);
        map.put("&frac12;", (char)189);
        map.put("&frac34;", (char)190);
        map.put("&iquest;", (char)191);
        map.put("&times;", (char)215);
        map.put("&divide;", (char)247);
        map.put("&Agrave;", (char)192);
        map.put("&Aacute;", (char)193);
        map.put("&Acirc;", (char)194);
        map.put("&Atilde;", (char)195);
        map.put("&Auml;", (char)196);
        map.put("&Aring;", (char)197);
        map.put("&AElig;", (char)198);
        map.put("&Ccedil;", (char)199);
        map.put("&Egrave;", (char)200);
        map.put("&Eacute;", (char)201);
        map.put("&Ecirc;", (char)202);
        map.put("&Euml;", (char)203);
        map.put("&Igrave;", (char)204);
        map.put("&Iacute;", (char)205);
        map.put("&Icirc;", (char)206);
        map.put("&Iuml;", (char)207);
        map.put("&ETH;", (char)208);
        map.put("&Ntilde;", (char)209);
        map.put("&Ograve;", (char)210);
        map.put("&Oacute;", (char)211);
        map.put("&Ocirc;", (char)212);
        map.put("&Otilde;", (char)213);
        map.put("&Ouml;", (char)214);
        map.put("&Oslash;", (char)216);
        map.put("&Ugrave;", (char)217);
        map.put("&Uacute;", (char)218);
        map.put("&Ucirc;", (char)219);
        map.put("&Uuml;", (char)220);
        map.put("&Yacute;", (char)221);
        map.put("&THORN;", (char)222);
        map.put("&szlig;", (char)223);
        map.put("&agrave;", (char)224);
        map.put("&aacute;", (char)225);
        map.put("&acirc;", (char)226);
        map.put("&atilde;", (char)227);
        map.put("&auml;", (char)228);
        map.put("&aring;", (char)229);
        map.put("&aelig;", (char)230);
        map.put("&ccedil;", (char)231);
        map.put("&egrave;", (char)232);
        map.put("&eacute;", (char)233);
        map.put("&ecirc;", (char)234);
        map.put("&euml;", (char)235);
        map.put("&igrave;", (char)236);
        map.put("&iacute;", (char)237);
        map.put("&icirc;", (char)238);
        map.put("&iuml;", (char)239);
        map.put("&eth;", (char)240);
        map.put("&ntilde;", (char)241);
        map.put("&ograve;", (char)242);
        map.put("&oacute;", (char)243);
        map.put("&ocirc;", (char)244);
        map.put("&otilde;", (char)245);
        map.put("&ouml;", (char)246);
        map.put("&oslash;", (char)248);
        map.put("&ugrave;", (char)249);
        map.put("&uacute;", (char)250);
        map.put("&ucirc;", (char)251);
        map.put("&uuml;", (char)252);
        map.put("&yacute;", (char)253);
        map.put("&thorn;", (char)254);
        map.put("&yuml;", (char)255);
        
    }

    private static String fromHtmlEntity(String str) {
        Character ch = map.get(str);
        return (ch != null) ? ch.toString() : str;
    }

    private static String findValue(char value) {
        boolean found = false;
        String result = null;
        for (String key : map.keySet()) {
            if (map.get(key).charValue() == value) {
                found = true;
                result = key;
            }
           
            if (found == true) {
                return result;
            }
        }

        return result;
    }

    public static String encode(String encode) {
        StringBuilder str = new StringBuilder(encode);
        String key;
        int i = 0;

        while (i < str.length()) {
            key = findValue(str.charAt(i));
            if (key != null) {
                str.replace(i, i + 1, key);
                i += key.length();
            } else {
                i++;
            }
        }

        return str.toString();
    }

    public static String decode(String decode){
        StringBuilder str = new StringBuilder(decode);
        Matcher m = Pattern.compile("&[A-Za-z]+;").matcher(str);
        String replaceStr = null;

        int matchPointer = 0;
        while (m.find(matchPointer)) {
            replaceStr = fromHtmlEntity(m.group());
            str.replace(m.start(), m.end(), replaceStr);
            matchPointer = m.start() + replaceStr.length();
        }

        return str.toString();
    }
}