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Posted By

hansamann on 01/29/11


Tagged

jackson groovy json


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Jackson Demo from Groovy Console

 / Published in: Groovy
 

Make sure Jackson core and Mappers are on classpath. So who can explain why userImage has a size of 7. I assume the byte-Array is encoded. What format?

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  1. import org.codehaus.jackson.map.ObjectMapper
  2.  
  3. class User 
  4. {
  5.     static class Name{
  6.         String first;
  7.         String last;
  8.     }
  9.  
  10.     Name name
  11.     Boolean verified
  12.     String gender
  13.     byte[] userImage
  14. }
  15.  
  16. String json = """{
  17.   "name" : { "first" : "Joe", "last" : "Sixpack" },
  18.   "gender" : "MALE",
  19.   "verified" : false,
  20.   "userImage" : "Rm9vYmFyIQ=="
  21. }
  22. """
  23.  
  24. ObjectMapper mapper = new ObjectMapper(); 
  25. User user = mapper.readValue(json, User.class);
  26.  
  27. assert user.name.first == "Joe"
  28. assert user.name.last == "Sixpack"
  29. assert user.gender == "MALE"
  30. assert user.verified == false
  31. assert user.userImage.size() == 7

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