Re: Newbie : Obtain the name of a server in Java
Re: Newbie : Obtain the name of a server in Java
- Subject: Re: Newbie : Obtain the name of a server in Java
- From: Lachlan Deck <email@hidden>
- Date: Sat, 9 Sep 2006 11:04:08 +1000
Hi there,
On 07/09/2006, at 9:28 AM, Gilles MATHURIN wrote:
Is there a way to obtain programmaticaly the name of the server in
order to put it in a ivar ?
Example : "http://g-five.local/cgi-bin/Webobjects/WOapp.woa";
i'd like to be able to have the "g-five.local" part in a
programmatic way, in that way my method and component would be more
reusable…
In your Properties file put:
WOHost=my.desired.host
Or in Java monitor:
"-DWOHost=my.desired.host"
String host = Application.application().host();
If the above fails to return the desired result... (and you cannot
necessary trust the host that user requests from) ... you might also
like to set:
WOCGIAdaptorURL=http://my.desire.host/cgi-bin/WebObjects";
And parse it out as follows...
public class Application extends WOApplication {
private static final Pattern DOMAIN_PATTERN;
static {
String outerChars = "[\\w&&[^_]]+"
String middleChars = "[\\w-&&[^_]]*";
String partPtn;
String domainPtn;
partPtn = outerchars + "(?:" + middleChars + outerChars + ")?";
domainPtn = "(" + partPtn + "(?:\\." + partPtn + ")+).*";
DOMAIN_PATTERN = Pattern.compile( domainPtn );
// or simpler but not checking for correctness:
// "https?://([\\.\\w-&&[^_]]+/?.*";
}
<...>
/**
* @return the domain from the cgiAdaptorUrl.
*/
public String domain() {
Matcher m;
String adaptorUrl;
m = DOMAIN_PATTERN.matcher( cgiAdaptorURL() );
if ( m.matches() && m.groupCount() == 1 ) {
return m.group( 1 );
}
throw new RuntimeException( "Cannot obtain adaptor url!" );
}
<...>
}
with regards,
--
Lachlan Deck
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