protected void compareFiles() throws IOException {
parseMultipartFormData();
// Compare the two files in question.
PSPDiff diff = new PSPDiff(getTinyWebServer(),
getFileContents('A'),
getFileContents('B'),
getParameter("FILEB"),
getParameter("options"));
printHeader(diff);
printMetrics(diff);
out.println("<hr>");
diff.displayHTMLRedlines(out);
out.println("</body></html>");
diff.dispose();
}