Parsing the Special Characters while framing the XML

This code describes how to parse the special characters(<,>,",',&) while framing the XML.

public static String forXML(String aText){
     final StringBuilder result = new StringBuilder();
     final StringCharacterIterator iterator = new StringCharacterIterator(aText);
     char character =  iterator.current();
     while (character != CharacterIterator.DONE ){
       if (character == '<') {
         result.append("<");
       }
       else if (character == '>') {
         result.append(">");
       }
       else if (character == '\"') {
         result.append(""");
       }
       else if (character == '\'') {
         result.append("'");
       }
       else if (character == '&') {
          result.append("&");
       }
       else {
         //the char is not a special one
         //add it to the result as is
         result.append(character);
       }
       character = iterator.next();
     }
     return result.toString();
   }