Escape Special chracters in java

Following code escaps the special meaning of characters before showing in XML or in view

 public static String escapeText(String s) {
   
    if (s.indexOf('&') != -1 || s.indexOf('<') != -1
     || s.indexOf('>') != -1 || s.indexOf('"') != -1
     || s.indexOf('\'') != -1 ) {
      StringBuffer result = new StringBuffer(s.length() + 6);
      for (int i = 0; i < s.length(); i++) {
        char c = s.charAt(i);
        if (c == '&') result.append("&amp;");
        else if (c == '<') result.append("&lt;");
        else if (c == '"') result.append("&quot;");
        else if (c == '\'') result.append("&apos;");
        else if (c == '>') result.append("&gt;");
        else result.append(c);
      }
      return result.toString();  
    }
    else {
      return s;   
    }
        
  }