I have a JSON file with a fluctuating depth and each node (different depth). So it's built like a General tree : And here is a sample json (not the real one but a mock file but the structure remains…
I would like to deserialize a JSON body in java, in which one field may have more than one dataType and different field. For example : 1st Variant { "errorMessage": " Task timed out after 60.04 seconds" } 2nd Variant…
What are the differences of letting spring bind JSON objects to Custom Pojos vs retrieving the response as a JSON string and using the ObjectMapper to parse? We had some legacy code that called an api and got a response…
I have a JSON object that needs to be deserialized in my use case. Also, I need to generate some fields value combining one or more attributes in the same JSON. So I chose Jackson deserialization and annotated the required…
I have a dynamic nested json string and I wanted to limit the string value of all keys to have max length of 5 chars. Using: Java fasterxml.jackson For Json String like below: `String inputJsonString = "{"key1":"bla bla bla bla","key2":{"key21":"bla…
I need to serialize Java Object to JSON. But when I use writeValueAsString method this method returns me empty JSON Object. Here is my @RestController: public String getReportsFromReporter( @PathVariable(name = "from") String from, @PathVariable(name = "to") String to) throws IOException…
I use the MicroProfile REST Client in Quarkus and have declared quarkus-rest-client-reactive-jackson as dependency. For the invocation I need run my own code to serialize my data into JSON. I've built a custom serializer extending StdSerializer and registered it via…
We're using Java POJOs as messages that flow through a message broker. They are serialized/deserialized using the Jackson JSON library. Each message (POJO) can have multiple versions: class UserCreatedV1 { private String email; private String fullName; } class UserCreatedV2 {…
I'm having json type in my Postgres DB and getting it as POJO. Then I'm trying to write my POJO to String. POJO is being populated correctly, but when Jackson writes it to String, I get {"traversableAgain" : true, "empty"…
I have the following json file test.json { "type" : "object", "id" : "123", "title" : "Test", "properties" : { "_picnic" : { "type" : "boolean" .... I am able to get the first level value of the key using…