// called from deployment cache manager
private static InetAddress getByName(String host, InetAddress reqAddr)
throws UnknownHostException {
return InetAddress.getAllByName(host, reqAddr)[0];
}
/**
* Determines the IP address of a host, given the host's name.
*
* <p>The host name can either be a machine name, such as "<code>java.sun.com</code>", or a
* textual representation of its IP address. If a literal IP address is supplied, only the
* validity of the address format is checked.
*
* <p>For <code>host</code> specified in literal IPv6 address, either the form defined in RFC 2732
* or the literal IPv6 address format defined in RFC 2373 is accepted. IPv6 scoped addresses are
* also supported. See <a href="Inet6Address.html#scoped">here</a> for a description of IPv6
* scoped addresses.
*
* <p>If the host is <tt>null</tt> then an <tt>InetAddress</tt> representing an address of the
* loopback interface is returned. See <a
* href="http://www.ietf.org/rfc/rfc3330.txt">RFC 3330</a> section 2 and <a
* href="http://www.ietf.org/rfc/rfc2373.txt">RFC 2373</a> section 2.5.3.
*
* @param host the specified host, or <code>null</code>.
* @return an IP address for the given host name.
* @exception UnknownHostException if no IP address for the <code>host</code> could be found, or
* if a scope_id was specified for a global IPv6 address.
* @exception SecurityException if a security manager exists and its checkConnect method doesn't
* allow the operation
*/
public static InetAddress getByName(String host) throws UnknownHostException {
return InetAddress.getAllByName(host)[0];
}