How to use objectmapper for nested json in swift?

Question

I am using object mapper library in swift fro parsing JSON to object and I have a JSON which looks like this:

"_links" :     {
    "category.genres":         {
        "href" : "http://dev.abcd.com/api/v1/categories/series/genres"
    }

}

I am trying to map href to model but I am not able to find any solution here. I tried to do

genreLink <- (map["_links"]["category.genres",nested: false]["genres"],urlTransform)

But it doesn't work, Please guide. Thanks

tristan_him · Accepted Answer · 2016-02-19 20:24:11Z

3

Unfortunately, I don't think your situation is supported using the nested keys feature of ObjectMapper. This is because of one keys in the nesting already has a period in it. If it didn't the mapping would look like the following:

genreLink <- (map["_links.category_genre.href"], urlTransform)

Chaining the mappings as you have done above is not supported. To properly map this, I think you will need to create some model classes (that implement Mappable) for Links and Category.genres or change the API response if possible.

edited Feb 19, 2016 at 20:24

answered Feb 2, 2016 at 15:26

tristan_him

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2 Comments

sahiljain Over a year ago

thanks for the prompt response. I think I will have to go with the model classes since API response is not in my control.

Ashish P Over a year ago

@tristan_him, do you mean genreLink <- (map["_links.category_genre.href"], urlTransform)

pacholik · Accepted Answer · 2017-01-21 12:12:13Z

0

As per documentation:

When you have nested keys which contain ., you can pass the custom nested key delimiter as follows (#629):

func mapping(map: Map) {
    appName <- map["com.myapp.info->com.myapp.name", delimiter: "->"]
}

Reference: Custom nested key delimiter in mapping

edited Jan 21, 2017 at 12:12

pacholik

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answered Jan 21, 2017 at 11:49

Rayan

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