JsonToKotlinClass

Hi, Welcome! This is a plugin to generate Kotlin data class from JSON string, in another word, a plugin that converts JSON string to Kotlin data class (Json to Kotlin). We also have a Java/Kotlin library. With this you can generate Kotlin data class from JSON string programmatically.

implementation 'com.sealwu.jsontokotlin:library:3.7.4'

Overview

This is a very cool tool for Kotlin developers, it can convert a JSON string to Kotlin data class. The tool could not only recognize the primitive types but also auto create complex types. It's easily accessible, we provide shortcut keymap ALT + K for Windows and Option + K for Mac, have a try and you'll fall in love with it! JsonToKotlinClass just makes programming more enjoyable, enjoy coding!

Easy Use

Want to generate classes code in inner class model? Do like this.

Want to generate Kotlin data class file? Do like this.

Want to generate Kotlin data classes in single file? Do like this.

Usage

Search 'JsonToKotlinClass' in Intellij Idea Plugin Repository Or AndroidStudio Plugin Repository And Install it.

File --> Settings --> Plugins --> Browse Repositories --> Search JsonToKotlinClass

Restart your IDE
Press ALT + K for Windows or Option + K for Mac or right click on package -> New->Kotlin data clas file from JSON and continue as guided.

Advanced usage

Have a try with the advanced dialog 😜

Features

Generating Kotlin data class from any legal JSON string/JSONSchema or any URLs that returns a JSON string/JSONSchema as response or local file that contains JSON string/JSONSchema, for more detail about supported source types, refer to the documentation
Generating Kotlin data class from any legal JSON text when right click on directory and select New -> Kotlin data class File from JSON
Supporting (almostly) all kinds of JSON libs' annotation(Gson, Jackson, Fastjson, MoShi and LoganSquare, kotlinx.serialization(default custom value))
Customizing your own annotations
Initializing properties with default values
Allowing properties to be nullable(?)
Determining property nullability automatically
Renaming property names to be camelCase style when selecting a target JSON lib annotation．
Generating Kotlin data class as individual classes
Generating Kotlin data class as inner classes
Formatting any legal JSON string
Generating Map Type when json key is primitive type
Android Parcelable support
Customize parent class declaration
Generating kotlin data class property order by alphabetical
Support customizing this plugin by Extensions module

Generate Example

This is the example JSON from json.org

{
    "glossary":{
        "title":"example glossary",
        "GlossDiv":{
            "title":"S",
            "GlossList":{
                "GlossEntry":{
                    "ID":"SGML",
                    "SortAs":"SGML",
                    "GlossTerm":"Standard Generalized Markup Language",
                    "Acronym":"SGML",
                    "Abbrev":"ISO 8879:1986",
                    "GlossDef":{
                        "para":"A meta-markup language, used to create markup languages such as DocBook.",
                        "GlossSeeAlso":[
                            "GML",
                            "XML"
                        ]
                    },
                    "GlossSee":"markup"
                }
            }
        }
    }
}

And with this plugin converting, Kotlin data classes would generate like this by default

data class Example(
    val glossary: Glossary
)

data class Glossary(
    val GlossDiv: GlossDiv,
    val title: String
)

data class GlossDiv(
    val GlossList: GlossList,
    val title: String
)

data class GlossList(
    val GlossEntry: GlossEntry
)

data class GlossEntry(
    val Abbrev: String,
    val Acronym: String,
    val GlossDef: GlossDef,
    val GlossSee: String,
    val GlossTerm: String,
    val ID: String,
    val SortAs: String
)

data class GlossDef(
    val GlossSeeAlso: List<String>,
    val para: String
)

Change Log

Build From Source

Want to try out the newest features?

$ git clone https://github.com/wuseal/JsonToKotlinClass
$ cd JsonToKotlinClass
$ ./gradlew buildPlugin

And you're done! Go to directory build/distributions and you'll find JsonToKotlinClass-x.x.zip, which can be installed via Install plugin from disk....

Contribute to This Repo

Find it useful and want to contribute? All sorts of contributions are welcome, including but not limited to:

Open an issue here if you find a bug;
Help test the EAP version and report bugs:

Go to the "Plugins" settings, click "Browse repositories..." => "Manage repositories..." and click the "+" button to add the EAP channel repository URL "https://plugins.jetbrains.com/plugins/eap/list". Optionally, you can also add the Alpha and Beta channel repository URLs "https://plugins.jetbrains.com/plugins/alpha/list" and "https://plugins.jetbrains.com/plugins/beta/list".

Kindly note that the "EAP" or "Alpha" or "Beta" channel update may be unstable and tend to be buggy, if you want to get back to the stable version, remove the "EAP" or "Alpha" or "Beta" version and reinstall this plugin from the "JetBrains Plugin Repository" channel, which can be filtered by the drop-down menu next to the search input field.

Contribute your code:

$ git clone https://github.com/wuseal/JsonToKotlinClass
$ cd JsonToKotlinClass

Open the build.gradle in IntelliJ, open "Gradle" tool window, expand the project view to "JsonToKotlinClass | Tasks | intellij | runIde", right-click and choose "Debug ...", and you're done! Create your PR here!

Chinese Detail Document (中文文档)

http://blog.csdn.net/wuseal/article/details/77508585

Others

Any kind of issues are welcome.
Pull Requests are highly appreciated.

Thanks

Thank @davidbilik for giving me the first awesome advice.
Thank @cgoodroe for opening many awesome issues for me, help me improve myself
Thank @wangzhenguang for reminding me of the details of the problem
Thank @kezhenxu94 for introducing CI/CD to save me a lot of time :)
Thank iqbalhood for contributing logo for this project
Thank akindone for adding order by alphabetical feature for JsonToKotlinClass
Thank rafalbednarczuk for adding make keyword property valid feature for JsonToKotlinClass

Find it useful ? ❤️

Support and encourage me by clicking the ⭐ button on the upper right of this page. ✌️
Share to others to help more people have a better develope expierience ❤️

Authors

This project exists thanks to all the people who contribute.

Acknowledgement

The development of this plugin is powerly driven by JetBrains.

Join the Community

Let's talk
Join JsonToKotlinClass Slack
Join JsonToKotlinClass Telegram

Note：

We analytics anonymous user behavior for improving plugin production, we've provided a switch case for that.

License

AZKZero/JsonToKotlinClass

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