IsMulticastAddress(address)
Last updated December 19, 2001
Version: 1 | Requires: ColdFusion 5 | Library: NetLib
Description:
Checks to see if a specifid address (IP address or host name) is a multicast address (Class D). If the host name is invalid an exception will be throw, so <CFTRY>/<CFCATCH> should be used.
Return Values:
Returns a boolean.
Example:
#IsMulticastAddress("#CGI.REMOTE_ADDR#")#
</CFOUTPUT>
Parameters:
| Name | Description | Required |
|---|---|---|
| address | The address to check. | Yes |
Full UDF Source:
<cfscript>
/**
* Checks to see if a specifid address (IP address or host name) is a multicast address (Class D).
*
* @param address The address to check.
* @return Returns a boolean.
* @author Ben Forta (ben@forta.com)
* @version 1, December 19, 2001
*/
function IsMulticastAddress(address) {
// Variables
var iaclass="";
var addr="";
// Init class
iaclass=CreateObject("java", "java.net.InetAddress");
// Get address
addr=iaclass.getByName(address);
// Is Multicast (Class D)?
return addr.isMulticastAddress();
}
</cfscript>
Search CFLib.org
Latest Additions
cfRssFeed
3 day(s) ago
structBlend
23 day(s) ago
IsZIPUK
23 day(s) ago
getTagContentAll
29 day(s) ago
ListReturnDuplicat...
1 month(s) ago