jsp how to get base url cleanly without javascript

Question

I'm trying to get the base url (for example: https://stackoverflow.com/) without using javascript. But there seem to be a lot of ways to split it off from https://stackoverflow.com/questions/ask so I was wondering what the cleanest way was (or if there's a preferred method).

jstl functions would probably do the trick, but I'd like it to be as dynamically as possible, so I wouldn't have to change it if the /questions/ part was to change to let's say /question/.

${pageContext.request.scheme}://${pageContext.request.serverName}:${pageContext.request.serverPort}

Is an option, but it's well a bit verbose.

Any input is appreciated.

BalusC · Accepted Answer · 2010-11-25 15:57:11Z

3

Use the following with a little help of JSTL functions taglib.

${fn:replace(pageContext.request.requestURL, pageContext.request.requestURI, '')}

answered Nov 25, 2010 at 15:57

BalusC

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