How to filter files when using scp to copy dir recursively?

Question

I need to copy all the .class files from server to local with all dir reserved. e.g. server:/usr/some/unknown/number/of/sub/folders/me.class will be /usr/proj

Answer 1

scp -i /home//.ssh/id_rsa -o "StrictHostKeyChecking=no" -rp /source/directory/path/[!.]* @