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JSON standards - and polymorphism
2019 Community Moderator ElectionHow do I format a Microsoft JSON date?Can comments be used in JSON?How can I pretty-print JSON in a shell script?What is the correct JSON content type?Why does Google prepend while(1); to their JSON responses?Parsing values from a JSON file?How can I pretty-print JSON using JavaScript?Parse JSON in JavaScript?How to POST JSON data with Curl from Terminal/Commandline to Test Spring REST?JsonMappingException: No suitable constructor found for type [simple type, class ]: can not instantiate from JSON object
We are primarily Java shop with Spring/Hibernate etc. We have REST based API that is consumed by our customers who may or may not be using Java.
One of the problems our customers face is converting object to concrete type because of polymorphism.
If all our customers were using Java/Spring, I can tinker settings of object mapper to return information about types. One such example can be found at baeldung and polymorphism
I'm not clear if type information embedded generated JSON is considered as valid JSON by other JSON parsers say in Python/Node-Javascript/.NET etc and whether it will break their code.
Are there any standards when it comes to type information embedded in JSON like Jackson does it. Google search did not reveal much.
python .net json jackson polymorphism
edited Mar 6 at 19:22
Michał Ziober
15.7k1168106
asked Mar 6 at 18:52
user871199user871199
8281022
add a comment |
We are primarily Java shop with Spring/Hibernate etc. We have REST based API that is consumed by our customers who may or may not be using Java.
One of the problems our customers face is converting object to concrete type because of polymorphism.
If all our customers were using Java/Spring, I can tinker settings of object mapper to return information about types. One such example can be found at baeldung and polymorphism
I'm not clear if type information embedded generated JSON is considered as valid JSON by other JSON parsers say in Python/Node-Javascript/.NET etc and whether it will break their code.
Are there any standards when it comes to type information embedded in JSON like Jackson does it. Google search did not reveal much.
python .net json jackson polymorphism
edited Mar 6 at 19:22
Michał Ziober
15.7k1168106
asked Mar 6 at 18:52
user871199user871199
8281022
add a comment |
We are primarily Java shop with Spring/Hibernate etc. We have REST based API that is consumed by our customers who may or may not be using Java.
One of the problems our customers face is converting object to concrete type because of polymorphism.
If all our customers were using Java/Spring, I can tinker settings of object mapper to return information about types. One such example can be found at baeldung and polymorphism
I'm not clear if type information embedded generated JSON is considered as valid JSON by other JSON parsers say in Python/Node-Javascript/.NET etc and whether it will break their code.
Are there any standards when it comes to type information embedded in JSON like Jackson does it. Google search did not reveal much.
python .net json jackson polymorphism
edited Mar 6 at 19:22
Michał Ziober
15.7k1168106
asked Mar 6 at 18:52
user871199user871199
8281022
We are primarily Java shop with Spring/Hibernate etc. We have REST based API that is consumed by our customers who may or may not be using Java.
One of the problems our customers face is converting object to concrete type because of polymorphism.
If all our customers were using Java/Spring, I can tinker settings of object mapper to return information about types. One such example can be found at baeldung and polymorphism
I'm not clear if type information embedded generated JSON is considered as valid JSON by other JSON parsers say in Python/Node-Javascript/.NET etc and whether it will break their code.
Are there any standards when it comes to type information embedded in JSON like Jackson does it. Google search did not reveal much.
python .net json jackson polymorphism
python .net json jackson polymorphism
edited Mar 6 at 19:22
Michał Ziober
15.7k1168106
asked Mar 6 at 18:52
user871199user871199
8281022
edited Mar 6 at 19:22
Michał Ziober
15.7k1168106
asked Mar 6 at 18:52
user871199user871199
8281022
edited Mar 6 at 19:22
Michał Ziober
15.7k1168106
edited Mar 6 at 19:22
Michał Ziober
15.7k1168106
edited Mar 6 at 19:22
Michał Ziober
15.7k1168106
15.7k1168106
asked Mar 6 at 18:52
user871199user871199
8281022
asked Mar 6 at 18:52
user871199user871199
8281022
asked Mar 6 at 18:52
user871199user871199
8281022
8281022
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
There is no one standard which all frameworks must follow. Even Jackson can do that on many different ways whatever user decide to use. Also Jackson always generate valid JSON even when whole class name is used such as "org.baeldung.jackson.inheritance.Car" or "org.baeldung.jackson.inheritance.Truck". To make it work and easy to use you must clarify all base types and subtypes in:
- documentation
JSon Schema
There is no point to send whole class name because non Java clients will not recognise them automatically anyway. So, you need to create mapping:
BP- base productP1- product 1P2- product 2- ...
You also mast to specify, that for example, each object contains "type" property which will be set to one from above list:
[
"type":"P1",
"model":"S500",
"cost":250.0
,
"type":"P2",
"model":"NQR",
"capacity":7500.0
]
Above should provide enough information to deserialise any payload.
answered Mar 6 at 19:35
Michał ZioberMichał Ziober
15.7k1168106
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
There is no one standard which all frameworks must follow. Even Jackson can do that on many different ways whatever user decide to use. Also Jackson always generate valid JSON even when whole class name is used such as "org.baeldung.jackson.inheritance.Car" or "org.baeldung.jackson.inheritance.Truck". To make it work and easy to use you must clarify all base types and subtypes in:
- documentation
JSon Schema
There is no point to send whole class name because non Java clients will not recognise them automatically anyway. So, you need to create mapping:
BP- base productP1- product 1P2- product 2- ...
You also mast to specify, that for example, each object contains "type" property which will be set to one from above list:
[
"type":"P1",
"model":"S500",
"cost":250.0
,
"type":"P2",
"model":"NQR",
"capacity":7500.0
]
Above should provide enough information to deserialise any payload.
answered Mar 6 at 19:35
Michał ZioberMichał Ziober
15.7k1168106
add a comment |
There is no one standard which all frameworks must follow. Even Jackson can do that on many different ways whatever user decide to use. Also Jackson always generate valid JSON even when whole class name is used such as "org.baeldung.jackson.inheritance.Car" or "org.baeldung.jackson.inheritance.Truck". To make it work and easy to use you must clarify all base types and subtypes in:
- documentation
JSon Schema
There is no point to send whole class name because non Java clients will not recognise them automatically anyway. So, you need to create mapping:
BP- base productP1- product 1P2- product 2- ...
You also mast to specify, that for example, each object contains "type" property which will be set to one from above list:
[
"type":"P1",
"model":"S500",
"cost":250.0
,
"type":"P2",
"model":"NQR",
"capacity":7500.0
]
Above should provide enough information to deserialise any payload.
answered Mar 6 at 19:35
Michał ZioberMichał Ziober
15.7k1168106
add a comment |
There is no one standard which all frameworks must follow. Even Jackson can do that on many different ways whatever user decide to use. Also Jackson always generate valid JSON even when whole class name is used such as "org.baeldung.jackson.inheritance.Car" or "org.baeldung.jackson.inheritance.Truck". To make it work and easy to use you must clarify all base types and subtypes in:
- documentation
JSon Schema
There is no point to send whole class name because non Java clients will not recognise them automatically anyway. So, you need to create mapping:
BP- base productP1- product 1P2- product 2- ...
You also mast to specify, that for example, each object contains "type" property which will be set to one from above list:
[
"type":"P1",
"model":"S500",
"cost":250.0
,
"type":"P2",
"model":"NQR",
"capacity":7500.0
]
Above should provide enough information to deserialise any payload.
answered Mar 6 at 19:35
Michał ZioberMichał Ziober
15.7k1168106
There is no one standard which all frameworks must follow. Even Jackson can do that on many different ways whatever user decide to use. Also Jackson always generate valid JSON even when whole class name is used such as "org.baeldung.jackson.inheritance.Car" or "org.baeldung.jackson.inheritance.Truck". To make it work and easy to use you must clarify all base types and subtypes in:
- documentation
JSon Schema
There is no point to send whole class name because non Java clients will not recognise them automatically anyway. So, you need to create mapping:
BP- base productP1- product 1P2- product 2- ...
You also mast to specify, that for example, each object contains "type" property which will be set to one from above list:
[
"type":"P1",
"model":"S500",
"cost":250.0
,
"type":"P2",
"model":"NQR",
"capacity":7500.0
]
Above should provide enough information to deserialise any payload.
answered Mar 6 at 19:35
Michał ZioberMichał Ziober
15.7k1168106
answered Mar 6 at 19:35
Michał ZioberMichał Ziober
15.7k1168106
answered Mar 6 at 19:35
Michał ZioberMichał Ziober
15.7k1168106
answered Mar 6 at 19:35
Michał ZioberMichał Ziober
15.7k1168106
15.7k1168106
add a comment |
add a comment |
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