public void saveFormState(@Nonnull final FormState aFormState) {
ValueEnforcer.notNull(aFormState, "FormState");
m_aRWLock.writeLock().lock();
try {
m_aMap.put(aFormState.getFlowID(), aFormState);
m_bAtLeastOnceAFormState = true;
} finally {
m_aRWLock.writeLock().unlock();
}
if (GlobalDebug.isDebugMode()) s_aLogger.info("Saved form state: " + aFormState.toString());
else s_aLogger.info("Saved form state for page " + aFormState.getPageID());
}
private void changeObject(
final RequestContext context,
final ObjectAdapter object,
final FormState editState,
final List<ObjectAssociation> fields) {
for (int i = 0; i < fields.size(); i++) {
final FieldEditState field = editState.getField(fields.get(i).getId());
if (field == null) {
continue;
}
final String newEntry = field.getEntry();
final ObjectAdapter originalValue = fields.get(i).get(object);
final boolean isVisible =
fields
.get(i)
.isVisible(IsisContext.getAuthenticationSession(), object, where)
.isAllowed();
final boolean isUsable =
fields.get(i).isUsable(IsisContext.getAuthenticationSession(), object, where).isAllowed();
final boolean bothEmpty = originalValue == null && newEntry.equals("");
final boolean bothSame =
newEntry.equals(originalValue == null ? "" : originalValue.titleString());
if ((!isVisible || !isUsable) || bothEmpty || bothSame) {
if (fields.get(i).getSpecification().getFacet(ParseableFacet.class) == null) {
// REVIEW restores object to loader
context.getMappedObject(newEntry);
}
continue;
}
if (fields.get(i).getSpecification().containsFacet(ParseableFacet.class)) {
final ParseableFacet facet =
fields.get(i).getSpecification().getFacet(ParseableFacet.class);
Localization localization = IsisContext.getLocalization();
final ObjectAdapter newValue = facet.parseTextEntry(originalValue, newEntry, localization);
((OneToOneAssociation) fields.get(i)).set(object, newValue);
} else {
((OneToOneAssociation) fields.get(i)).set(object, field.getValue());
}
}
}
@Override
public void process(final RequestContext context) throws IOException {
AuthenticationSession session = context.getSession();
if (session == null) {
session = new AnonymousSession();
}
try {
final String objectId = context.getParameter("_" + OBJECT);
final String version = context.getParameter("_" + VERSION);
final String formId = context.getParameter("_" + FORM_ID);
String resultName = context.getParameter("_" + RESULT_NAME);
resultName = resultName == null ? RequestContext.RESULT : resultName;
final String override = context.getParameter("_" + RESULT_OVERRIDE);
String message = context.getParameter("_" + MESSAGE);
final ObjectAdapter adapter = context.getMappedObject(objectId);
final List<ObjectAssociation> fields =
adapter
.getSpecification()
.getAssociations(
Contributed.EXCLUDED,
ObjectAssociation.Filters.dynamicallyVisible(session, adapter, where));
for (final ObjectAssociation objectAssociation : fields) {
if (objectAssociation.isVisible(session, adapter, where).isVetoed()) {
throw new NotLoggedInException();
}
}
final FormState entryState = validateObject(context, adapter, fields);
final Version adapterVersion = adapter.getVersion();
final Version formVersion = context.getVersion(version);
if (formVersion != null && adapterVersion.different(formVersion)) {
IsisContext.getMessageBroker()
.addMessage(
"The "
+ adapter.getSpecification().getSingularName()
+ " was edited "
+ "by another user ("
+ adapterVersion.getUser()
+ "). Please make your changes based on their changes.");
final String view = context.getParameter("_" + ERROR);
context.setRequestPath(view, Dispatcher.EDIT);
entryState.setForm(formId);
context.addVariable(ENTRY_FIELDS, entryState, Scope.REQUEST);
context.addVariable(resultName, objectId, Scope.REQUEST);
if (override != null) {
context.addVariable(resultName, override, Scope.REQUEST);
}
} else if (entryState.isValid()) {
changeObject(context, adapter, entryState, fields);
if (adapter.isTransient()) {
IsisContext.getPersistenceSession().makePersistent(adapter);
context.unmapObject(adapter, Scope.REQUEST);
}
String view = context.getParameter("_" + VIEW);
final String id = context.mapObject(adapter, Scope.REQUEST);
context.addVariable(resultName, id, Scope.REQUEST);
if (override != null) {
context.addVariable(resultName, override, Scope.REQUEST);
}
final int questionMark = view == null ? -1 : view.indexOf("?");
if (questionMark > -1) {
final String params = view.substring(questionMark + 1);
final int equals = params.indexOf("=");
context.addVariable(
params.substring(0, equals), params.substring(equals + 1), Scope.REQUEST);
view = view.substring(0, questionMark);
}
context.setRequestPath(view);
if (message == null) {
message = "Saved changes to " + adapter.getSpecification().getSingularName();
} else if (message.equals("")) {
message = null;
}
if (message != null) {
final MessageBroker messageBroker = IsisContext.getMessageBroker();
messageBroker.addMessage(message);
}
} else {
final String view = context.getParameter("_" + ERROR);
context.setRequestPath(view, Dispatcher.EDIT);
entryState.setForm(formId);
context.addVariable(ENTRY_FIELDS, entryState, Scope.REQUEST);
context.addVariable(resultName, objectId, Scope.REQUEST);
if (override != null) {
context.addVariable(resultName, override, Scope.REQUEST);
}
final MessageBroker messageBroker = IsisContext.getMessageBroker();
messageBroker.addWarning(entryState.getError());
}
} catch (final RuntimeException e) {
IsisContext.getMessageBroker().getMessages();
IsisContext.getMessageBroker().getWarnings();
throw e;
}
}
private FormState validateObject(
final RequestContext context,
final ObjectAdapter object,
final List<ObjectAssociation> fields) {
final FormState formState = new FormState();
for (int i = 0; i < fields.size(); i++) {
final ObjectAssociation field = fields.get(i);
final String fieldId = field.getId();
String newEntry = context.getParameter(fieldId);
if (fields.get(i).isOneToManyAssociation()) {
continue;
}
if (fields
.get(i)
.isVisible(IsisContext.getAuthenticationSession(), object, where)
.isVetoed()) {
continue;
}
if (field.isUsable(IsisContext.getAuthenticationSession(), object, where).isVetoed()) {
continue;
}
if (newEntry != null && newEntry.equals("-OTHER-")) {
newEntry = context.getParameter(fieldId + "-other");
}
if (newEntry == null) {
// TODO duplicated in EditObject; line 97
final ObjectSpecification spec = field.getSpecification();
if (spec.isOfType(IsisContext.getSpecificationLoader().loadSpecification(boolean.class))
|| spec.isOfType(
IsisContext.getSpecificationLoader().loadSpecification(Boolean.class))) {
newEntry = FALSE;
} else {
continue;
}
}
final FieldEditState fieldState = formState.createField(fieldId, newEntry);
Consent consent = null;
if (field.isMandatory() && (newEntry.equals("") || newEntry.equals("NULL"))) {
consent = new Veto(field.getName() + " required");
formState.setError("Not all fields have been set");
} else if (field.getSpecification().containsFacet(ParseableFacet.class)) {
try {
final ParseableFacet facet = field.getSpecification().getFacet(ParseableFacet.class);
final ObjectAdapter originalValue = field.get(object);
Localization localization = IsisContext.getLocalization();
final ObjectAdapter newValue =
facet.parseTextEntry(originalValue, newEntry, localization);
consent = ((OneToOneAssociation) field).isAssociationValid(object, newValue);
fieldState.setValue(newValue);
} catch (final TextEntryParseException e) {
consent = new Veto(e.getMessage());
// formState.setError("Not all fields have been entered correctly");
}
} else {
final ObjectAdapter associate =
newEntry.equals("null") ? null : context.getMappedObject(newEntry);
if (associate != null) {
IsisContext.getPersistenceSession().resolveImmediately(associate);
}
consent = ((OneToOneAssociation) field).isAssociationValid(object, associate);
fieldState.setValue(associate);
}
if (consent.isVetoed()) {
fieldState.setError(consent.getReason());
formState.setError("Not all fields have been entered correctly");
}
}
// TODO check the state of the complete object.
return formState;
}