[JAVA] JAVA 문자열 스크립트 필터링

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/**      * <PRE>      * 스크립트 필터링      * ClassName    : ValidUtil      * MethodName   : scriptFilterEnc      * 처리내용       :      * - Biz Logic (간략)      *   스크립트 필터링      * </PRE>      * @return String      * @param value         필터링 할 값      */     public static String scriptFilterEnc(String value) {         if (value == null) {             return null;         }                          StringBuffer result = new StringBuffer(value.length());                  for(int i = 0; i < value.length(); i++) {             switch (value.charAt(i)) {             case '<':                 result.append("&lt;");                 break;             case '>':                  result.append("&gt;");                 break;             case '"':                  result.append("&quot;");                 break;             case '\'':                  result.append("&#39;");                 break;             case '%':                  result.append("&#37;");                 break;             case ';':                  result.append("&#59;");                 break;             case '(':                  result.append("&#40;");                 break;             case ')':                  result.append("&#41;");                 break;             case '&':                  result.append("&amp;");                 break;             case '+':                 result.append("&#43;");                 break;             case '#':                 result.append("&#35;");                 break;             case '/':                 result.append("&#47;");                 break;             case '.':                 result.append("&#46;");                 break;                    default:                 result.append(value.charAt(i));                 break;             }                 }         return result.toString();     }