Question 354777 in Json Question posted in
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Json – Different serialization/deserilization with java records

How do I use different names for serialization and deserialisation when using records?

java

public record testRecrd(@JsonProperty("foo bar") String fooBar){}

json

{
  foo bar : "test"
}

Can I modify this record or is there any modifier I can use so when I deserialise the record I get

{
 fooBar : "test"
}
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2

Answers


  1. Chosen as BEST ANSWER
    0

    Fixed using @JsonAlias as suggested in the accepted answer

    public record testRecrd(@JsonAlias("foo bar") String fooBar){}

    Json returns:

    {
 fooBar : "test"
}

  2. 0

    You need to use @JsonAlias for deserialization:

    Annotation that can be used to define one or more alternative names for a property, accepted during deserialization as alternative to the official name.

    public record TestRecord(@JsonProperty("foo bar") @JsonAlias("fooBar") String fooBar) {
}

    Jackson will first search for foo bar and only if it’s missing for fooBar.

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