/**
* Returns the content type of the specified file (as supplied by the client browser), or null if
* the file was not included in the upload.
*
* @param name the html page's file parameter name.
* @return the content type of the file.
*/
public String getContentType(String name) {
try {
UploadedFile file = (UploadedFile) files.get(name);
return file.getContentType(); // may be null
} catch (Exception e) {
return null;
}
}
