Setting pdftitle and pdfauthor automatically in a LaTeX stylesheet

I use the code below to set the title and author in the pdf document properties.

\usepackage[pdftex]{hyperref}
\hypersetup{
    pdftitle = {The documents title},
    pdfauthor = {me}
}

I would like to automate this by putting it in a stylesheet (.sty) Below is my attempt, but it is not working. The pdf is compiled (pdflatex) with errors. But the pdf document properties remain empty.

\usepackage[pdftex]{hyperref}
\hypersetup{
    pdftitle = {\@title},
    pdfauthor = {\@author}
}

I use the \@title and the \@author variables to create a custom titlepage. So I know those work.

Any suggestions?