all,
i am using the commons collections api and am very impressed with it. i am largely
using it to iterate over an arbitrary list, so i mostly use the IteratorUtils class.
one method i needed for a project does not seem to be available though, size(), that
would return the size of an arbitary list.
so i wrote the following:
public static int size(Object list) throws IllegalArgumentException {
int i = 0;
if (list instanceof Collection) {
i = ((Collection)list).size();
} else if (list instanceof Map) {
i = ((Map)list).size();
} else {
i = Array.getLength(list);
}
return i;
thought it would be nice to include this functionality in an upcoming commons
collection release.
thanks,
steve
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