private void downloadSubmission(
File formInstancesDir,
DatabaseUtils formDatabase,
BriefcaseFormDefinition lfd,
FormStatus fs,
String uri)
throws Exception {
if (formDatabase.hasRecordedInstance(uri) != null) {
logger.info("already present - skipping fetch: " + uri);
return;
}
String formId = lfd.getSubmissionKey(uri);
if (isCancelled()) {
fs.setStatusString("aborting fetch of submission...", true);
EventBus.publish(new FormStatusEvent(fs));
throw new SubmissionDownloadException("Transfer cancelled by user.");
}
String baseUrl = serverInfo.getUrl() + "/view/downloadSubmission";
Map<String, String> params = new HashMap<String, String>();
params.put("formId", formId);
String fullUrl = WebUtils.createLinkWithProperties(baseUrl, params);
AggregateUtils.DocumentFetchResult result;
try {
DocumentDescription submissionDescription =
new DocumentDescription(
"Fetch of a submission failed. Detailed error: ",
"Fetch of a submission failed.",
"submission",
terminationFuture);
result =
AggregateUtils.getXmlDocument(fullUrl, serverInfo, false, submissionDescription, null);
} catch (XmlDocumentFetchException e) {
throw new SubmissionDownloadException(e.getMessage());
}
// and parse the document...
SubmissionManifest submissionManifest;
try {
submissionManifest = XmlManipulationUtils.parseDownloadSubmissionResponse(result.doc);
} catch (ParsingException e) {
throw new SubmissionDownloadException(e.getMessage());
}
String msg = "Fetched instanceID=" + submissionManifest.instanceID;
logger.info(msg);
if (FileSystemUtils.hasFormSubmissionDirectory(
formInstancesDir, submissionManifest.instanceID)) {
// create instance directory...
File instanceDir =
FileSystemUtils.assertFormSubmissionDirectory(
formInstancesDir, submissionManifest.instanceID);
// fetch attachments
for (MediaFile m : submissionManifest.attachmentList) {
downloadMediaFileIfChanged(instanceDir, m, fs);
}
// write submission file -- we rely on instanceId being unique...
File submissionFile = new File(instanceDir, "submission.xml");
OutputStreamWriter fo = new OutputStreamWriter(new FileOutputStream(submissionFile), "UTF-8");
fo.write(submissionManifest.submissionXml);
fo.close();
// if we get here and it was a legacy server (0.9.x), we don't
// actually know whether the submission was complete. Otherwise,
// if we get here, we know that this is a completed submission
// (because it was in /view/submissionList) and that we safely
// copied it into the storage area (because we didn't get any
// exceptions).
if (serverInfo.isOpenRosaServer()) {
formDatabase.assertRecordedInstanceDirectory(uri, instanceDir);
}
} else {
// create instance directory...
File instanceDir =
FileSystemUtils.assertFormSubmissionDirectory(
formInstancesDir, submissionManifest.instanceID);
// fetch attachments
for (MediaFile m : submissionManifest.attachmentList) {
downloadMediaFileIfChanged(instanceDir, m, fs);
}
// write submission file
File submissionFile = new File(instanceDir, "submission.xml");
OutputStreamWriter fo = new OutputStreamWriter(new FileOutputStream(submissionFile), "UTF-8");
fo.write(submissionManifest.submissionXml);
fo.close();
// if we get here and it was a legacy server (0.9.x), we don't
// actually know whether the submission was complete. Otherwise,
// if we get here, we know that this is a completed submission
// (because it was in /view/submissionList) and that we safely
// copied it into the storage area (because we didn't get any
// exceptions).
if (serverInfo.isOpenRosaServer()) {
formDatabase.assertRecordedInstanceDirectory(uri, instanceDir);
}
}
}
private boolean downloadAllSubmissionsForForm(
File formInstancesDir,
DatabaseUtils formDatabase,
BriefcaseFormDefinition lfd,
FormStatus fs) {
boolean allSuccessful = true;
RemoteFormDefinition fd = (RemoteFormDefinition) fs.getFormDefinition();
int count = 1;
String baseUrl = serverInfo.getUrl() + "/view/submissionList";
String oldWebsafeCursorString = "not-empty";
String websafeCursorString = "";
for (; !oldWebsafeCursorString.equals(websafeCursorString); ) {
if (isCancelled()) {
fs.setStatusString("aborting fetching submissions...", true);
EventBus.publish(new FormStatusEvent(fs));
return false;
}
fs.setStatusString("retrieving next chunk of instances from server...", true);
EventBus.publish(new FormStatusEvent(fs));
Map<String, String> params = new HashMap<String, String>();
params.put("numEntries", Integer.toString(MAX_ENTRIES));
params.put("formId", fd.getFormId());
params.put("cursor", websafeCursorString);
String fullUrl = WebUtils.createLinkWithProperties(baseUrl, params);
oldWebsafeCursorString = websafeCursorString; // remember what we had...
AggregateUtils.DocumentFetchResult result;
try {
DocumentDescription submissionChunkDescription =
new DocumentDescription(
"Fetch of submission download chunk failed. Detailed error: ",
"Fetch of submission download chunk failed.",
"submission download chunk",
terminationFuture);
result =
AggregateUtils.getXmlDocument(
fullUrl, serverInfo, false, submissionChunkDescription, null);
} catch (XmlDocumentFetchException e) {
fs.setStatusString(
"NOT ALL SUBMISSIONS RETRIEVED: Error fetching list of submissions: " + e.getMessage(),
false);
EventBus.publish(new FormStatusEvent(fs));
return false;
}
SubmissionDownloadChunk chunk;
try {
chunk = XmlManipulationUtils.parseSubmissionDownloadListResponse(result.doc);
} catch (ParsingException e) {
fs.setStatusString(
"NOT ALL SUBMISSIONS RETRIEVED: Error parsing the list of submissions: "
+ e.getMessage(),
false);
EventBus.publish(new FormStatusEvent(fs));
return false;
}
websafeCursorString = chunk.websafeCursorString;
for (String uri : chunk.uriList) {
if (isCancelled()) {
fs.setStatusString("aborting fetching submissions...", true);
EventBus.publish(new FormStatusEvent(fs));
return false;
}
try {
fs.setStatusString("fetching instance " + count++ + " ...", true);
EventBus.publish(new FormStatusEvent(fs));
downloadSubmission(formInstancesDir, formDatabase, lfd, fs, uri);
} catch (Exception e) {
e.printStackTrace();
allSuccessful = false;
fs.setStatusString(
"SUBMISSION NOT RETRIEVED: Error fetching submission uri: "
+ uri
+ " details: "
+ e.getMessage(),
false);
EventBus.publish(new FormStatusEvent(fs));
// but try to get the next one...
}
}
}
return allSuccessful;
}