public String getChildElementXML() {
StringBuilder buf = new StringBuilder();
buf.append("<query xmlns=\"jabber:iq:auth\">");
if (username != null) {
if (username.equals("")) {
buf.append("<username/>");
} else {
buf.append("<username>").append(username).append("</username>");
}
}
if (digest != null) {
if (digest.equals("")) {
buf.append("<digest/>");
} else {
buf.append("<digest>").append(digest).append("</digest>");
}
}
if (password != null && digest == null) {
if (password.equals("")) {
buf.append("<password/>");
} else {
buf.append("<password>").append(StringUtils.escapeForXML(password)).append("</password>");
}
}
if (resource != null) {
if (resource.equals("")) {
buf.append("<resource/>");
} else {
buf.append("<resource>").append(resource).append("</resource>");
}
}
buf.append("</query>");
return buf.toString();
}
/**
* Sets the digest value using a connection ID and password. Password digests offer a more secure
* alternative for authentication compared to plain text. The digest is the hex-encoded SHA-1 hash
* of the connection ID plus the user's password. If the digest and password are set, digest
* authentication will be used. If only one value is set, the respective authentication mode will
* be used.
*
* @param connectionID the connection ID.
* @param password the password.
* @see z.org.jivesoftware.smack.Connection#getConnectionID()
*/
public void setDigest(String connectionID, String password) {
this.digest = StringUtils.hash(connectionID + password);
}