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How to remove an attribute from RequestSpecification/FilterableRequestSpecification body?

Dears,
I am working on creating a simple method which will take String argument which will be a path or other kind "pointer" to attribute/s in JSON and this method will remove those attribute/s.
My problem is I can find values of those attribute/s using JsonPath, but I can't find methods in rest assured (or other libraries) which could remove/delete attributes by given path.
JSON is already added earlier so i need to pull him from RequestSpecification or FilterableRequestSpecification object ex.
RequestSpecification rs = *objFromContext*;
FilterableRequestSpecification frs= (FilterableRequestSpecification) rs;
frs.getBody();
I've tried to work with JSONObject class and remove() but it doesn't work on complex JSONs.
given example JSON
{
"created": "string",
"updated": "string",
"items": [
{
"code": "TEST",
"nested": {
"code": "test",
"name": "name",
"other": [
{
"code": "TEST",
"name": "myName",
"quantity": 1
}
]
},
"itemsProperties": [
{
"code": "value1",
"name": "name",
"value": 123
}
]
},
{
"code": "TEST",
"nested": {
"code": "test",
"name": "name",
"other": [
{
"code": "TEST",
"name": "myName",
"quantity": 1
}
]
},
"itemsProperties": [
{
"code": "value2",
"name": "name",
"value": 123
}
]
}
],
"timer": {
"startDate": "2015-01-01",
"endDate": "2021-01-02"
},
"id": "myId"
}
using JsonPath jp = JsonPath.from(httpRequest.getBody().toString());
and then jp.get(items.itemsproperties.code) i can find value1 and value2.
I stuck in this point: How to remove those attributes from sended body?
I know i can convert body into JSONObject and then go field after field conversion between getJSONArray and GetJSONOBject and remove those fields, but i would like to make this metod much more universal.
Is this possible?

If you want to manipulate json in Rest-Assured JsonPath, then the answer is No. You can't do that. JsonPath help you to extract value from json, that's it, no more.
You have to use different libraries to remove key-value pair.
For example: using JsonPath Jayway
DocumentContext parse = JsonPath.parse(body);
parse.delete("$..itemsProperties..code");
System.out.println(parse.jsonString());

Is there a way to dynamically set variables values for the post request with jmeter beanshell preprocessor

I need to dynamically build the following post request JSON body with jmeter beanshell preprocessor. I am referring to the following question which has a solution for my problem with looped strings. I would need to do this with json-property(variables) an array of JSON objects with different name and values. Thanks a lot.
{
"processDefinitionId":"optaplannerkey:1:dbc4af8f-7e04-11e9-afa3-1ecac26bb5e0",
"businessKey":"optaplannerkey",
"returnVariables":true,
"variables": [
{
"name": "TaskDescription",
"value": "Fixing the issue with sink"
},
{
"name": "TaskCategory",
"value": "plumbing"
},
{
"name": "Priority",
"value": "Medium"
},
{
"name": "Status",
"value": "New"
},
{
"name": "SkillsRequired",
"value": "Plumbing Skills"
},
{
"name": "DueDate",
"value": "2019-05-24T11:23:08.030+05:30"
}
]
}

Use dummy sampler with the parameterized json request and CSV Data Set Config for the dynamic input. Below, I have paremeterized only two for demo.
Then, Use JSR223 Post processor with the following code:-
vars.put("responseVar",prev.getResponseDataAsString());
This will put response body in "responseVar" variable. Fetch it using ${responseVar}
Hope this helps.

Jackson map JSON containing different items for same object

I've got the follwoing JSON structure with the corresponding DTOs in Java:
{
"kind": "object 1",
"selfLink": "some_link",
"items": [
{
"kind": "subkind 1",
"name": "server 1",
"anotherObject": {
"link": "some_link",
"isSubcollection": true,
"items": [
{
"att 1": "value",
"att2": "value",
"att3": "value"
},
{
"att5": "value" ,
"att6": "value" ,
"att7": "value" ,
"att8": "value"
}
]
}
}
]
}
Now I want to map this into corresponding DTOs using Jackson. Using the #JsonIgnoreUnknown annotation, this works fine. The problem is within the items array: How can I map different classes from the same JSON list in Jackson? Of course I could create a huge class containing both's attributes, but that would not be my way of choice.
I hope you can help me.

Create a JSON without a key

We wanted to create a JSON structure as below in Java
{
[
{
"key": "ABC001",
"value": true
},
{
"key": "ABD12",
"value": false
},
{
"key": "ABC002",
"value": true
},
]
}
To implement this we created a class and had a list private property inside it.
But that is creating a key values
class Response{
private List<Property> values;
// setter getter for this private property
}
The output for this is
{
values : [
{
"key": "ABC001",
"value": true
},
......
]
Is there a way we create the array without the key and inside the { }?

Unfortunately, what you're trying to build is not a valid json.
You can try to validate it here.
With this "json", for example, it would be impossible to read the array, because it has no key.
{
"foo_key" : "bar",
[
{
"key": "ABC001",
"value": true
},
{
"key": "ABD12",
"value": false
},
{
"key": "ABC002",
"value": true
},
]
}
Parsing a json like this one, you could get "bar" because it has a key ("foo_key"), but how could you get the array?
The code you're using is already correct for a valid json.

So, for some reason you want an invalid json, which is an array contained between {}s. Here's how you can do it (I'll assume you use google-gson to make and parse jsons, since you didn't include your code):
// example of the creation of the list
List<Property> values = new ArrayList<>();
values.add(new Property("ABC001", true));
values.add(new Property("ABD12", false));
values.add(new Property("ABC002", true));
//
Gson gson = new Gson();
String json = gson.toJson(values, new TypeToken<List<Property>>() {}.getType());
json = "{" + json + "}";// gotta do what you gotta do...

additionalProperties eliminates all model properties

I have run into this issue now with implementing arbitrary field behaviour with additionalProperties. Below is my model with additional properties.
"CObject": {
"type": "object",
"properties": {
"_id": {
"type": "string"
},
"createdAt": {
"type": "string",
"format": "date-time"
},
"updatedAt": {
"type": "string",
"format": "date-time"
}
},
"additionalProperties": {
"type": "string"
}
}
Indeed the only change I see in the generated java client is that my CObject.java now sub-classes HashMap class. I expected that a call to put([key],[value]) on CObject would just add a new property in the request body. On running a test, I realized that all properties within CObject are absent in the final request body. So, the client only sends a request body with properties defined arbitrarily and eliminates all other properties defined in the specification. Am using the latest swagger-codegen(2.1.6 snapshot). how can I get past this issue???
NB I don't want the map values to appear under their own property, I want the key value pairs to appear under the same hierarchy as the rest of the properties defined in the spec.

In the JSON you provided, "additionalProperties" is just a property name and its type is string. Let's say the property name is "keyValuePair", then the correct way to use additionalProperties is
"keyValuePair": {
{
"type": "object",
"additionalProperties": {
"type": "string"
}
}
}