private void readCSV(File csv, String formHash, String pathHash) {
CSVReader reader;
ItemsetDbAdapter ida = new ItemsetDbAdapter();
ida.open();
boolean withinTransaction = false;
try {
reader = new CSVReader(new FileReader(csv));
String[] nextLine;
String[] columnHeaders = null;
int lineNumber = 0;
while ((nextLine = reader.readNext()) != null) {
lineNumber++;
if (lineNumber == 1) {
// first line of csv is column headers
columnHeaders = nextLine;
ida.createTable(formHash, pathHash, columnHeaders,
csv.getAbsolutePath());
continue;
}
// add the rest of the lines to the specified database
// nextLine[] is an array of values from the line
// System.out.println(nextLine[4] + "etc...");
if (lineNumber == 2) {
// start a transaction for the inserts
withinTransaction = true;
ida.beginTransaction();
}
ida.addRow(pathHash, columnHeaders, nextLine);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
if ( withinTransaction ) {
ida.commit();
}
ida.close();
}
}
/**
* Initialize {@link FormEntryController} with {@link FormDef} from binary or
* from XML. If given an instance, it will be used to fill the {@link FormDef}
* .
*/
@Override
protected FECWrapper doInBackground(String... path) {
FormEntryController fec = null;
FormDef fd = null;
FileInputStream fis = null;
mErrorMsg = null;
String formPath = path[0];
File formXml = new File(formPath);
String formHash = FileUtils.getMd5Hash(formXml);
File formBin = new File(Collect.CACHE_PATH + File.separator + formHash + ".formdef");
publishProgress(Collect.getInstance().getString(R.string.survey_loading_reading_form_message));
FormDef.EvalBehavior mode = AdminPreferencesActivity.getConfiguredFormProcessingLogic(Collect.getInstance());
FormDef.setEvalBehavior(mode);
// FormDef.setDefaultEventNotifier(new EventNotifier() {
//
// @Override
// public void publishEvent(Event event) {
// Log.d("FormDef", event.asLogLine());
// }
// });
if (formBin.exists()) {
// if we have binary, deserialize binary
Log.i(
t,
"Attempting to load " + formXml.getName() + " from cached file: "
+ formBin.getAbsolutePath());
fd = deserializeFormDef(formBin);
if (fd == null) {
// some error occured with deserialization. Remove the file, and make a
// new .formdef
// from xml
Log.w(t, "Deserialization FAILED! Deleting cache file: " + formBin.getAbsolutePath());
formBin.delete();
}
}
if (fd == null) {
// no binary, read from xml
try {
Log.i(t, "Attempting to load from: " + formXml.getAbsolutePath());
fis = new FileInputStream(formXml);
fd = XFormUtils.getFormFromInputStream(fis);
if (fd == null) {
mErrorMsg = "Error reading XForm file";
} else {
serializeFormDef(fd, formPath);
}
} catch (FileNotFoundException e) {
e.printStackTrace();
mErrorMsg = e.getMessage();
} catch (XFormParseException e) {
mErrorMsg = e.getMessage();
e.printStackTrace();
} catch (Exception e) {
mErrorMsg = e.getMessage();
e.printStackTrace();
} finally {
IOUtils.closeQuietly(fis);
}
}
if (mErrorMsg != null || fd == null) {
return null;
}
// set paths to /sdcard/odk/forms/formfilename-media/
String formFileName = formXml.getName().substring(0, formXml.getName().lastIndexOf("."));
File formMediaDir = new File(formXml.getParent(), formFileName + "-media");
externalDataManager = new ExternalDataManagerImpl(formMediaDir);
// add external data function handlers
ExternalDataHandler externalDataHandlerPull = new ExternalDataHandlerPull(externalDataManager);
fd.getEvaluationContext().addFunctionHandler(externalDataHandlerPull);
try {
loadExternalData(formMediaDir);
} catch (Exception e) {
mErrorMsg = e.getMessage();
e.printStackTrace();
return null;
}
if (isCancelled()) {
// that means that the user has cancelled, so no need to go further
return null;
}
// create FormEntryController from formdef
FormEntryModel fem = new FormEntryModel(fd);
fec = new FormEntryController(fem);
boolean usedSavepoint = false;
try {
// import existing data into formdef
if (mInstancePath != null) {
File instance = new File(mInstancePath);
File shadowInstance = SaveToDiskTask.savepointFile(instance);
if (shadowInstance.exists() && (shadowInstance.lastModified() > instance.lastModified())) {
// the savepoint is newer than the saved value of the instance.
// use it.
usedSavepoint = true;
instance = shadowInstance;
Log.w(t, "Loading instance from shadow file: " + shadowInstance.getAbsolutePath());
}
if (instance.exists()) {
// This order is important. Import data, then initialize.
try {
importData(instance, fec);
fd.initialize(false, new InstanceInitializationFactory());
} catch (RuntimeException e) {
Log.e(t, e.getMessage(), e);
// SCTO-633
if (usedSavepoint && !(e.getCause() instanceof XPathTypeMismatchException)) {
// this means that the .save file is corrupted or 0-sized, so
// don't use it.
usedSavepoint = false;
mInstancePath = null;
fd.initialize(true, new InstanceInitializationFactory());
} else {
// this means that the saved instance is corrupted.
throw e;
}
}
} else {
fd.initialize(true, new InstanceInitializationFactory());
}
} else {
fd.initialize(true, new InstanceInitializationFactory());
}
} catch (RuntimeException e) {
Log.e(t, e.getMessage(), e);
if (e.getCause() instanceof XPathTypeMismatchException) {
// this is a case of
// https://bitbucket.org/m.sundt/javarosa/commits/e5d344783e7968877402bcee11828fa55fac69de
// the data are imported, the survey will be unusable
// but we should give the option to the user to edit the form
// otherwise the survey will be TOTALLY inaccessible.
Log.w(
t,
"We have a syntactically correct instance, but the data threw an exception inside JR. We should allow editing.");
} else {
mErrorMsg = e.getMessage();
return null;
}
}
// Remove previous forms
ReferenceManager._().clearSession();
// for itemsets.csv, we only check to see if the itemset file has been
// updated
File csv = new File(formMediaDir.getAbsolutePath() + "/" + ITEMSETS_CSV);
String csvmd5 = null;
if (csv.exists()) {
csvmd5 = FileUtils.getMd5Hash(csv);
boolean readFile = false;
ItemsetDbAdapter ida = new ItemsetDbAdapter();
ida.open();
// get the database entry (if exists) for this itemsets.csv, based
// on the path
Cursor c = ida.getItemsets(csv.getAbsolutePath());
if (c != null) {
if (c.getCount() == 1) {
c.moveToFirst(); // should be only one, ever, if any
String oldmd5 = c.getString(c.getColumnIndex("hash"));
if (oldmd5.equals(csvmd5)) {
// they're equal, do nothing
} else {
// the csv has been updated, delete the old entries
ida.dropTable(ItemsetDbAdapter.getMd5FromString(csv.getAbsolutePath()),
csv.getAbsolutePath());
// and read the new
readFile = true;
}
} else {
// new csv, add it
readFile = true;
}
c.close();
}
ida.close();
if (readFile) {
readCSV(csv, csvmd5, ItemsetDbAdapter.getMd5FromString(csv.getAbsolutePath()));
}
}
// This should get moved to the Application Class
if (ReferenceManager._().getFactories().length == 0) {
// this is /sdcard/odk
ReferenceManager._().addReferenceFactory(new FileReferenceFactory(Collect.ODK_ROOT));
}
// Set jr://... to point to /sdcard/odk/forms/filename-media/
ReferenceManager._().addSessionRootTranslator(
new RootTranslator("jr://images/", "jr://file/forms/" + formFileName + "-media/"));
ReferenceManager._().addSessionRootTranslator(
new RootTranslator("jr://image/", "jr://file/forms/" + formFileName + "-media/"));
ReferenceManager._().addSessionRootTranslator(
new RootTranslator("jr://audio/", "jr://file/forms/" + formFileName + "-media/"));
ReferenceManager._().addSessionRootTranslator(
new RootTranslator("jr://video/", "jr://file/forms/" + formFileName + "-media/"));
// clean up vars
fis = null;
fd = null;
formBin = null;
formXml = null;
formPath = null;
FormController fc = new FormController(formMediaDir, fec, mInstancePath == null ? null
: new File(mInstancePath));
if (mXPath != null) {
// we are resuming after having terminated -- set index to this
// position...
FormIndex idx = fc.getIndexFromXPath(mXPath);
fc.jumpToIndex(idx);
}
if (mWaitingXPath != null) {
FormIndex idx = fc.getIndexFromXPath(mWaitingXPath);
fc.setIndexWaitingForData(idx);
}
data = new FECWrapper(fc, usedSavepoint);
return data;
}
