private CreateExtractorRequest generateCreateExtractorRequest(
Map<String, String[]> form, Extractor originalExtractor) {
final Extractor.Type extractorType =
Extractor.Type.valueOf(form.get("extractor_type")[0].toUpperCase());
final Extractor extractor =
extractorFactory.forCreate(
Extractor.CursorStrategy.valueOf(form.get("cut_or_copy")[0].toUpperCase()),
form.get("title")[0],
form.get("source_field")[0],
// grok extractor, for example, has no target field, so set it to source to satisf
(form.get("target_field") == null
? form.get("source_field")[0]
: form.get("target_field")[0]),
extractorType,
currentUser(),
Extractor.ConditionType.valueOf(form.get("condition_type")[0].toUpperCase()),
form.get("condition_value")[0]);
if (originalExtractor != null) {
extractor.setOrder(originalExtractor.getOrder());
}
extractor.loadConfigFromForm(extractorType, form);
extractor.loadConvertersFromForm(form);
return extractor.toCreateExtractorRequest();
}
public Result importExtractors(String nodeId, String inputId) {
if (!Permissions.isPermitted(RestPermissions.INPUTS_EDIT, inputId)) {
return redirect(routes.StartpageController.redirect());
}
Map<String, String> form = flattenFormUrlEncoded(request().body().asFormUrlEncoded());
if (!form.containsKey("extractors") || form.get("extractors").isEmpty()) {
flash("error", "No JSON provided. Please fill out the import definition field.");
return redirect(
controllers.routes.ExtractorsController.importExtractorsPage(nodeId, inputId));
}
ExtractorListImportRequest elir;
try {
elir = Json.fromJson(Json.parse(form.get("extractors")), ExtractorListImportRequest.class);
} catch (Exception e) {
Logger.error("Could not read JSON.", e);
flash("error", "Could not read JSON.");
return redirect(
controllers.routes.ExtractorsController.importExtractorsPage(nodeId, inputId));
}
/*
* For future versions with breaking changes: check the "version" field in the ExtractorListImportRequest.
*
* Thank me later.
*/
int successes = 0;
List<String> failedExtractors = new ArrayList<>();
for (ExtractorImportRequest importRequest : elir.extractors) {
try {
Node node = nodeService.loadNode(nodeId);
Extractor.Type type = Extractor.Type.valueOf(importRequest.extractorType.toUpperCase());
Extractor extractor =
extractorFactory.forCreate(
Extractor.CursorStrategy.valueOf(importRequest.cursorStrategy.toUpperCase()),
importRequest.title,
importRequest.sourceField,
importRequest.targetField,
type,
currentUser(),
Extractor.ConditionType.valueOf(importRequest.conditionType.toUpperCase()),
importRequest.conditionValue);
extractor.loadConfigFromImport(type, importRequest.extractorConfig);
extractor.loadConvertersFromImport(importRequest.converters);
extractor.setOrder(importRequest.order);
extractorService.create(node, node.getInput(inputId), extractor.toCreateExtractorRequest());
successes++;
} catch (Exception e) {
failedExtractors.add(importRequest.title);
Logger.error(
"Could not import extractor \"" + importRequest.title + "\": " + e.getMessage());
Logger.debug("Details for failing to import extractor \"" + importRequest.title + "\":", e);
}
}
if (!failedExtractors.isEmpty()) {
flash(
"error",
"Failed to import "
+ failedExtractors.size()
+ " extractors: "
+ Joiner.on(',').useForNull("[null title]").join(failedExtractors));
}
flash(
"success",
"Successfully imported " + successes + " of " + elir.extractors.size() + " extractors.");
return redirect(controllers.routes.ExtractorsController.manage(nodeId, inputId));
}
