/**
     * Set the value of hostname, used in parameter comment. <br>
     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param hostname The parameter value of hostname. (NotNull)
     */
    public void setHostname(String hostname) {
        registerVariable("hostname", hostname);
    }

    /**

        auth.setServer("hostname");
        auth.setPort(21);
        auth.setUsername("testuser");
        auth.setPassword("testpass");

        assertTrue(auth.matches("ftp://hostname:21/test/aaa.html"));
        assertTrue(auth.matches("ftp://hostname/test/aaa.html"));
        assertTrue(auth.matches("ftp://hostname:21/test"));
        assertTrue(auth.matches("ftp://hostname/test"));

                                    <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"/>

    /**
     * Set the value of hostname, used in parameter comment. <br>
     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param hostname The parameter value of hostname. (NotNull)
     */
    public void setHostname(String hostname) {
        registerVariable("hostname", hostname);
    }

                                    <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;

        this.fileConfigId = value;
    }

    public String getHostname() {
        checkSpecifiedProperty("hostname");
        return convertEmptyToNull(hostname);
    }

    public void setHostname(String value) {
        registerModifiedProperty("hostname");
        this.hostname = value;
    }

    public String getParameters() {
        checkSpecifiedProperty("parameters");

        this.createdTime = value;
    }

    public String getHostname() {
        checkSpecifiedProperty("hostname");
        return convertEmptyToNull(hostname);
    }

    public void setHostname(String value) {
        registerModifiedProperty("hostname");
        this.hostname = value;
    }

    public String getParameters() {
        checkSpecifiedProperty("parameters");

                                                                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;