In programming there are many, many principles. One of the more useful ones that I’ve discovered lately is DRY: Don’t Repeat Yourself. It’s simple really, never ever copy code and don’t write the same code twice. In the real world it might not be as easy though…
Today I was about to check in some code and I went through my regular check-in routine (you have one as well I presume?) and discovered that I was violating DRY! At least if you’re being anal about it… The code in question was a little like this: (slightly altered to protect the innocents)
1: using (SPSite site = new SPSite(url)) {
2: using (SPWeb web = site.OpenWeb()) {
3: lang = web.Language;
4: }
5: }
(I didn’t really return the language, but no need to include all of the source code)
So I was doing the double using in 4-5 places; a clear violation of DRY in my book. So what I did was this:
1: private T OpenSiteWeb<T>(string url, Func<SPSite, SPWeb, T> implementingMember) {
2: using (SPSite site = new SPSite(url)) {
3: using (SPWeb web = site.OpenWeb()) {
4: return implementingMember(site, web);
5: }
6: }
7: }
This method I can use like this:
1: lang = OpenSiteWeb<uint>(url, (s, w) =>
2: {
3: return w.Language;
4: }
Pretty neat, no? It might be overkill, but fun code to write anyway!
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