Questions tagged [fasterxml]

FasterXML is an open source XML and JSON parsing for the Java platform

489 questions
-1
votes
1 answer

Best way to validate json file in java

I want to validate the JSON file. I checked readValue from fasterXML but I see it return object. Is there any to validate JSON files efficiently without compromising performance? public T readValue(File src, Class valueType) Thank you
Salman
  • 127
  • 1
  • 10
-1
votes
1 answer

How to convert CSV to JSON with value in double quotes using com.fasterxml.jackson.dataformat.csv.CsvMapper in Java?

Suppose CSV data is like below: SiteName,Location, Recurrence Type, Time Zone TestSite_QA2_0401,QA_LocationAZ_0401,"FREQ=WEEKLY;BYDAY=MO,WE",Europe/Paris Expected JSON: SiteName=TestSite_QA2_0401, Location=QA_LocationAZ_0401, Recurrence…
-1
votes
1 answer

fasterxml jackson JSON deserialization - custom adding

I use Jackson FasterXML product to deserialize JSONs. Now, I noticed in profiler that I got a ton of duplicate strings as a result since every time I receive a JSON it deserialize into an object which always contains some String variable which tells…
-1
votes
1 answer

HashMap -> Json -> Print - Without Creating file -> using fasterxml API

I'm having a hash map with set of keys and values. I would like to convert it to a json format and print the entire string. I don't like to create a file and need to dynamically print the string in the screen. i'm using fasterxml api.…
Kathir J
  • 1
  • 3
-1
votes
1 answer

Deserialize a JSON response to multiple objects

I need to deserialize a Json response response: { speed: 40, distance: 20, time: 3 } into 3 different objects, that is Class Speed implements Base{ int speed; } Class Distance implements Base{ int distance; } Class Time implements Base{ …
-2
votes
2 answers

How to convert string to JSON using ObjectMapper?

I need the following JSON format using ObjectMapper using Java. ObjectMapper mapper = new ObjectMapper(); User user = new User(); user.set_id(1); int id = 2; user.setIndex("{\"_id\":" + id + "}"); mapper.writeValue(new…
AVM
  • 243
  • 3
  • 8
-2
votes
1 answer

How to pass JSON from static file to rest controller SpringBoot App

I have a stable SpringBoot project that runs. I want to add a end point that reads a json file from classpath and passes it through to the response without having to create any Model objects (pass thru). I have no issues reading the json file into…
xpagesbeast
  • 776
  • 1
  • 10
  • 21
-2
votes
2 answers

Map nested json field

I have json like this: { "name": "John", "address": { "city": "New York" } } How can I deserialize it to the follow dto using Jackson? final class PersonDto { private final String name; // name private final String city; //…
maximusKon
  • 136
  • 9
-2
votes
1 answer

JSON deserialization works from test but not from servlet

I am using the following code to deserialize a JSON object: System.out.println("Trying to deserialize the following string: " + jsonString); DRRequest elements = JSONMapper.objectMapper.readValue(jsonString,…
user000001
  • 32,226
  • 12
  • 81
  • 108
1 2 3
32
33