> if I drop on...
Though I am not sure what you mean by "dropping on", but as far as I
understood....
```java
SimpleObject *simpleObject *= new SimpleObject();
*simpleObject*.setSingleField("onlyField");
*simpleObject*.setAdditionalProperty("additional", "additional");
*simpleObject*.setAdditionalProperty("remains", "remains");
```
...should serialize into `{"singleField":"onlyIfeld"}`.
And JSON string `{"onlyField": "someValue", "additional": "anotherValue"}`
should deserialize into an instance of `SimpleObject` class with
"onlyField" as its singleField and empty map?
Try simply removing `@JsonAnySetter` and `@JsonAnyGetter`.
Hope it helps,
thanks
On Monday, August 14, 2023 at 11:59:36 PM UTC+9 Ken Hancock wrote:
>
> Hi Vince,
>
> If I'm understanding the implementation of mapper.convertVaue(), I think
> it doesn't matter whether it's on serialization or deserialization since
> convertValue() does both.
>
> To illustrate, let's say I have a pojo with one field and the
> anySetter/anyGetter:
>
> @JsonProperty("onlyField")
> private String onlyField;
>
> @JsonAnyGetter
> public Map<String, Object> getAdditionalProperties() {
> return this.additionalProperties;
> }
>
> @JsonAnySetter
> public void setAdditionalProperty(String name, Object value) {
> this.additionalProperties.put(name, value);
> }
>
> If I deserialize {"onlyField": "someValue", "additional": "anotherValue"},
> I end up with a pojo with object.getOnlyField() == "someValue") and
> object.getAdditionalProperties().get("additional") == "anotherValue")
>
> Now when I call mapper.convertValue(object, MyPojo.class):
> if I drop on serialization, I end up with a serialized object of
> {"onlyField": "someValue"}
> if I drop on deserialize, I start with a serialized object of
> {"onlyField": "someValue", "additional": "anotherValue"} but end up with a
> pojo with an empty map in object.getAditionalProperties().
>
> If I can do it at either step, I'd love to know how, but either one will
> solve my current problem.
>
> Here's a gist with a sample, which currently fails:
> https://gist.github.com/hancockks/02509e5d06b0f1d95b1e3e6c4a23a9f1
>
> On Saturday, August 12, 2023 at 8:31:54 AM UTC-4 Joo Hyuk Kim (김주혁) wrote:
>
>> Hello Ken,
>>
>> To make things clear, a few questions.
>>
>> - Meaning of "to strip any additional properties before writing an
>> object". Are you looking to exclude `additionalProperties` only during
>> serialization, but include in deserialization?
>> - Is the primary intent to generate a JSON output that does not
>> include `additionalProperties`, or is there another objective?
>> - Could you also provide a simple, reproducible example using just
>> Jackson and Java?
>>
>> Thanks,
>>
>> Joo Hyuk, Kim (Vince)
>> On Saturday, August 12, 2023 at 1:31:13 AM UTC+9 Ken Hancock wrote:
>>
>>>
>>> I have a pojo that serializes any additional properties into
>>>
>>> @JsonAnyGetter
>>> public Map<String, Object> getAdditionalProperties() {
>>> return this.additionalProperties;
>>> }
>>>
>>> @JsonAnySetter
>>> public void setAdditionalProperty(String name, Object value) {
>>> this.additionalProperties.put(name, value);
>>> }
>>>
>>> However, I have an odd use case where I want to be able to strip any
>>> additional properties before writing an object. I'm fairly sure with all of
>>> Jackson's configuration settings that I should be able to configure a
>>> mapper such that mapper.convertValue(myPojo, MyPojo.class) should be able
>>> to serialize and deserialize back again, dropping the additionalProperties
>>> when it serializes? The pojo is deeply nested and auto-generated, so I'd
>>> prefer not to hard-code having to just clear additionalProperties at each
>>> sub-object.
>>>
>>> Thanks,
>>>
>>> Ken
>>>
>>
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