How to use Jackson to serialize / deserialize Java util. stream. Stream？
•
Java
Suppose I have the following objects
public class DataObjectA {
private Stream<DataObjectB> dataObjectBStream;
}
How do I serialize them using Jackson?
Solution
As others have pointed out, you can only iterate over a stream once If this is useful to you, you can use it to serialize:
new ObjectMapper().writerFor(Iterator.class).writeValueAsString(dataObjectBStream.iterator())
If you are using Jackson before 2.5, use writerwithtype() instead of writerfor()
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