HTMLEncode

public class HTMLEncode implements java.io.Serializable {
  public static String encode(String value) {
    if (value == null) {
      return "";
    }
    else {
      return (value.replaceAll("&", "&").
        replaceAll("/", "/").
        replaceAll("<", "&lt;").
        replaceAll(">", "&gt;").
        replaceAll("\"", "&quot;").
        replaceAll("!", "&#33;").
        replaceAll("\\?", "&#63;").
        replaceAll("=", "&#61;").
        replaceAll("%", "&#37;").
      	replaceAll("'", "&#39;"));
    }
  }
}