private static File getFile(WebPageContext page) throws IOException {
String file = page.param(String.class, "file");
if (file == null) {
String servletPath = page.param(String.class, "servletPath");
if (servletPath != null) {
file = page.getServletContext().getRealPath(servletPath);
}
}
if (file == null) {
return null;
}
File fileInstance = new File(file);
if (!fileInstance.exists()) {
IoUtils.createParentDirectories(fileInstance);
}
return fileInstance;
}
