/**
* Creates a new request wrapper to handle multi-part data using methods adapted from Jason Pell's
* multipart classes (see class description).
*
* @param saveDir the directory to save off the file
* @param servletRequest the request containing the multipart
* @throws java.io.IOException is thrown if encoding fails.
*/
@SuppressWarnings("unchecked")
@Override
public void parse(HttpServletRequest servletRequest, String saveDir) throws IOException {
DiskFileItemFactory fac = new DiskFileItemFactory();
// Make sure that the data is written to file
fac.setSizeThreshold(0);
if (saveDir != null) {
fac.setRepository(new File(saveDir));
}
ProgressMonitor monitor = null;
// Parse the request
try {
ServletFileUpload upload = new ServletFileUpload(fac);
upload.setSizeMax(maxSize);
monitor = new ProgressMonitor();
upload.setProgressListener(monitor);
servletRequest.getSession().setAttribute(ProgressMonitor.SESSION_PROGRESS_MONITOR, monitor);
List<FileItem> items = upload.parseRequest(createRequestContext(servletRequest));
for (FileItem item1 : items) {
FileItem item = item1;
if (log.isDebugEnabled()) {
log.debug("Found item " + item.getFieldName());
}
if (item.isFormField()) {
if (log.isDebugEnabled()) {
log.debug("Item is a normal form field");
}
List<String> values;
if (params.get(item.getFieldName()) != null) {
values = params.get(item.getFieldName());
} else {
values = new ArrayList<String>();
}
// note: see http://jira.opensymphony.com/browse/WW-633
// basically, in some cases the charset may be null, so
// we're just going to try to "other" method (no idea if this
// will work)
String charset = servletRequest.getCharacterEncoding();
if (charset != null) {
values.add(item.getString(charset));
} else {
values.add(item.getString());
}
params.put(item.getFieldName(), values);
} else {
if (log.isDebugEnabled()) {
log.debug("Item is a file upload");
}
List<FileItem> values;
if (files.get(item.getFieldName()) != null) {
values = files.get(item.getFieldName());
} else {
values = new ArrayList<FileItem>();
}
values.add(item);
files.put(item.getFieldName(), values);
}
}
} catch (FileUploadException e) {
e.printStackTrace();
if (monitor != null) monitor.abort();
log.error(e);
errors.add(e.getMessage());
} catch (Exception e) {
e.printStackTrace();
if (monitor != null) monitor.abort();
}
}
