@Override
@SuppressWarnings("unchecked")
public final Map<String, Object> parse(final HttpServletRequest request) throws UWSException {
LinkedHashMap<String, Object> parameters = new LinkedHashMap<String, Object>();
MultipartRequest multipart = null;
try {
// Parse the request body:
multipart =
new MultipartRequest(
request,
UWSFileManager.TMP_UPLOAD_DIR.getPath(),
(SIZE_LIMIT < 0 ? DEFAULT_SIZE_LIMIT : SIZE_LIMIT),
new FileRenamePolicy() {
@Override
public File rename(File file) {
Object reqID = request.getAttribute(UWS.REQ_ATTRIBUTE_ID);
if (reqID == null || !(reqID instanceof String)) reqID = (new Date()).getTime();
char uniq = 'A';
File f =
new File(
file.getParentFile(), "UPLOAD_" + reqID + uniq + "_" + file.getName());
while (f.exists()) {
uniq++;
f = new File(file.getParentFile(), "UPLOAD_" + reqID + "_" + file.getName());
}
return f;
}
});
// Extract all "normal" parameters:
String param;
Enumeration<String> e = multipart.getParameterNames();
while (e.hasMoreElements()) {
param = e.nextElement();
for (String occurence : multipart.getParameterValues(param))
consumeParameter(param, occurence, parameters);
}
// Extract all inline files as additional parameters:
e = multipart.getFileNames();
if (!allowUpload && e.hasMoreElements())
throw new UWSException(
UWSException.BAD_REQUEST, "Uploads are not allowed by this service!");
while (e.hasMoreElements()) {
param = e.nextElement();
if (multipart.getFile(param) == null) continue;
/*
* TODO !!!POSSIBLE ISSUE!!!
* MultipartRequest is not able to deal with multiple files having the same parameter name. However, all files are created/uploaded
* but only the last one is accessible through this object....so only the last can be deleted, which could be a problem later
* (hence the usage of the system temporary directory).
*/
// build its description/pointer:
UploadFile lob =
new UploadFile(
param,
multipart.getOriginalFileName(param),
multipart.getFile(param).toURI().toString(),
fileManager);
lob.mimeType = multipart.getContentType(param);
lob.length = multipart.getFile(param).length();
// add it inside the parameters map:
consumeParameter(param, lob, parameters);
}
} catch (IOException ioe) {
throw new UWSException(
UWSException.INTERNAL_SERVER_ERROR,
ioe,
"Internal Error => Impossible to extract parameters from the Multipart HTTP request!");
} catch (IllegalArgumentException iae) {
String confError = iae.getMessage();
if (UWSFileManager.TMP_UPLOAD_DIR == null) confError = "Missing upload directory!";
throw new UWSException(
UWSException.INTERNAL_SERVER_ERROR,
iae,
"Internal Error: Incorrect UPLOAD configuration: " + confError);
}
return parameters;
}
