- * Checks the name textfield for valid input.
- *
- * @return <code>true</code> if the name textfield seem okay,
- * <code>false</code> if there is an error
- */
- private boolean verifyName() {
- return (nameTextField.getText().trim().length() != 0);
- }
-
- /**
- * Verifies the hostname textfield by resolving the given name.
- *
- * @return <code>true</code> if the hostname is not empty and can be
- * resolved, <code>false</code> otherwise
- */
- private boolean verifyHostname() {
- if (hostnameTextField.getText().trim().length() == 0) {
- return false;
- }
- try {
- InetAddress.getByName(hostnameTextField.getText().trim());
- return true;
- } catch (UnknownHostException uhe1) {
- return false;
- }
- }
-
- /**
- * Verifies that the port number is numeric and in the range from
- * <code>0</code> to <code>65535</code>.
- *
- * @return <code>true</code> if the port number is okay,
- * <code>false</code> otherwise
- */
- private boolean verifyPort() {
- try {
- int portNumber = Integer.valueOf(portTextField.getText().trim());
- if ((portNumber > 0) && (portNumber < 65536)) {
- return true;
- }
- } catch (NumberFormatException nfe1) {
- /* ignore. */
- }
- return false;
- }
-
- /**