/**
* Attempts to establish the host of an incomming request.
* That means the hostname of the request that landed up
* making the request we are experiencing in this context.
*/
public static String getExternalHostnameFromInboundRequest
(WORequest request)
{
String httpHostHdr = request.headerForKey("http_host");
if((null!=httpHostHdr) && (0!=httpHostHdr.length()))
return httpHostHdr.trim();
String hostHdr = request.headerForKey("host");
if(null!=hostHdr)
{
int indexOfColon = hostHdr.indexOf(':');
if(-1!=indexOfColon)
return hostHdr.substring(0,indexOfColon).trim();
return hostHdr.trim();
}
String serverNameHdr = request.headerForKey("server_name");
if((null!=serverNameHdr) && (0!=serverNameHdr.length()))
return serverNameHdr.trim();
return null;
}
___
Andrew Lindesay
www.lindesay.co.nz
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