Github user mattyb149 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2063#discussion_r134487688
--- Diff:
nifi-nar-bundles/nifi-mongodb-bundle/nifi-mongodb-processors/src/main/java/org/apache/nifi/processors/mongodb/GetMongo.java
---
@@ -151,17 +172,34 @@ public ValidationResult validate(final String
subject, final String value, final
return propertyDescriptors;
}
- private ObjectMapper mapper = new ObjectMapper();
+ private ObjectMapper mapper;
//Turn a list of Mongo result documents into a String representation
of a JSON array
- private String buildBatch(List<Document> documents) throws IOException
{
- List<Map> docs = new ArrayList<>();
- for (Document document : documents) {
- String asJson = document.toJson();
- docs.add(mapper.readValue(asJson, Map.class));
+ private String buildBatch(List<Document> documents, String
jsonTypeSetting) throws IOException {
+ StringBuilder builder = new StringBuilder();
+ for (int index = 0; index < documents.size(); index++) {
+ Document document = documents.get(index);
+ String asJson;
+ if (jsonTypeSetting.equals(JSON_TYPE_NORMAL)) {
+ asJson =
mapper.writerWithDefaultPrettyPrinter().writeValueAsString(document);
+ } else {
+ asJson = document.toJson(new JsonWriterSettings(true));
+ }
+ builder
+ .append(asJson)
+ .append( (documents.size() > 1 && index + 1 <
documents.size()) ? ", " : "" );
}
- return mapper.writeValueAsString(docs);
+ return "[" + builder.toString() + "]";
//mapper.writerWithDefaultPrettyPrinter().writeValueAsString(docs);
--- End diff --
This looks like a dead code comment, if it doesn't inform the line please
remove :)
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