static final class CacheEntry {
        Name hostName;
        NbtAddress address;
        long expiration;

        CacheEntry(final Name hostName, final NbtAddress address, final long expiration) {
            this.hostName = hostName;
            this.address = address;
            this.expiration = expiration;
        }
    }

    }

    @Test
    void testGetByName_String() throws UnknownHostException {
        // Arrange
        String hostname = "testHostname";
        Address expectedAddress = mock(Address.class);
        when(nameServiceClient.getByName(hostname)).thenReturn(expectedAddress);

        // Act
        Address actualAddress = nameServiceClient.getByName(hostname);

     */
    public static UniAddress getByName(final String hostname) throws UnknownHostException {
        return getByName(hostname, false);
    }

    static boolean isDotQuadIP(final String hostname) {
        if (hostname != null && hostname.length() > 0 && Character.isDigit(hostname.charAt(0))) {
            int i, len, dots;
            char[] data;

            i = dots = 0; /* quick IP address validation */

                                    <label for="hostname" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.file_auth_hostname"/></label>
                                    <div class="col-sm-9">
                                        <la:errors property="hostname"/>
                                        <la:text styleId="hostname" property="hostname" styleClass="form-control"/>

    private static boolean isAllDigits(final String hostname) {
        for (int i = 0; i < hostname.length(); i++) {
            if (!Character.isDigit(hostname.charAt(i))) {
                return false;
            }
        }
        return true;
    }

    @Override
    public UniAddress getByName(final String hostname) throws UnknownHostException {
        return getByName(hostname, false);
    }

    @Override

                                    <label for="hostname" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.webauth_hostname"/></label>
                                    <div class="col-sm-9">
                                        <la:errors property="hostname"/>
                                        <la:text styleId="hostname" property="hostname" styleClass="form-control"/>

    /**
     * Lookup addresses for the given <code>hostname</code>.
     *
     * @param hostname the hostname to resolve
     * @param possibleNTDomainOrWorkgroup if true, perform additional master browser lookup
     * @return found addresses
     * @throws UnknownHostException if the hostname cannot be resolved
     */
    Address[] getAllByName(String hostname, boolean possibleNTDomainOrWorkgroup) throws UnknownHostException;

    Name hostName;
    int address, nodeType;
    boolean groupName, isBeingDeleted, isInConflict, isActive, isPermanent, isDataFromNodeStatus;
    byte[] macAddress;
    String calledName;

    NbtAddress(final Name hostName, final int address, final boolean groupName, final int nodeType) {
        this.hostName = hostName;
        this.address = address;

                                                                test="${data.hostname==null||data.hostname==''}">
                                                            <la:message key="labels.webauth_any"/>
                                                        </c:if> ${f:h(data.hostname)}: <c:if
                                                                test="${data.port==null||data.port==''}">

 */

public class UniAddress implements Address {

    /**
     * Check whether a hostname is actually an ip address
     *
     * @param hostname the hostname to check
     * @return whether this is an IP address
     */
    public static boolean isDotQuadIP(final String hostname) {
        if (Character.isDigit(hostname.charAt(0))) {
            int i, len, dots;
            char[] data;