xref: /expo/android/expoview/src/main/java/host/exp/exponent/utils/BundleJSONConverter.kt (revision 3ba32fe9)

/*
 * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
 *
 * You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
 * copy, modify, and distribute this software in source code or binary form for use
 * in connection with the web services and APIs provided by Facebook.
 *
 * As with any software that integrates with the Facebook platform, your use of
 * this software is subject to the Facebook Developer Principles and Policies
 * [http://developers.facebook.com/policy/]. This copyright notice shall be
 * included in all copies or substantial portions of the software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package host.exp.exponent.utils

import android.os.Bundle
import org.json.JSONArray
import org.json.JSONException
import org.json.JSONObject

/**
 * Referenced from [com.facebook.internal.BundleJSONConverter]
 * https://github.com/facebook/facebook-android-sdk/blob/main/facebook-core/src/main/java/com/facebook/internal/BundleJSONConverter.kt
 *
 * com.facebook.internal is solely for the use of other packages within the Facebook SDK for
 * Android. Use of any of the classes in this package is unsupported, and they may be modified or
 * removed without warning at any time.
 *
 * A helper class that can round trip between JSON and Bundle objects that contains the types:
 * Boolean, Integer, Long, Double, String If other types are found, an IllegalArgumentException is
 * thrown.
 */

object BundleJSONConverter {
  private val SETTERS: MutableMap<Class<*>, Setter> = HashMap()

  @JvmStatic
  @Throws(JSONException::class)
  fun convertToJSON(bundle: Bundle): JSONObject {
    val json = JSONObject()
    for (key in bundle.keySet()) {
      val value =
        bundle[key] // Null is not supported.
          ?: continue

      // Special case List<String> as getClass would not work, since List is an interface
      if (value is List<*>) {
        val jsonArray = JSONArray()
        val listValue = value as List<String>
        for (stringValue in listValue) {
          jsonArray.put(stringValue)
        }
        json.put(key, jsonArray)
        continue
      }

      // Special case Bundle as it's one way, on the return it will be JSONObject
      if (value is Bundle) {
        json.put(key, convertToJSON(value))
        continue
      }
      val setter =
        SETTERS[value.javaClass]
          ?: throw IllegalArgumentException("Unsupported type: " + value.javaClass)
      setter.setOnJSON(json, key, value)
    }
    return json
  }

  @JvmStatic
  @Throws(JSONException::class)
  fun convertToBundle(jsonObject: JSONObject): Bundle {
    val bundle = Bundle()
    val jsonIterator = jsonObject.keys()
    while (jsonIterator.hasNext()) {
      val key = jsonIterator.next()
      val value = jsonObject[key]
      if (value === JSONObject.NULL) {
        // Null is not supported.
        continue
      }

      // Special case JSONObject as it's one way, on the return it would be Bundle.
      if (value is JSONObject) {
        bundle.putBundle(key, convertToBundle(value))
        continue
      }
      val setter =
        SETTERS[value.javaClass]
          ?: throw IllegalArgumentException("Unsupported type: " + value.javaClass)
      setter.setOnBundle(bundle, key, value)
    }
    return bundle
  }

  interface Setter {
    @Throws(JSONException::class) fun setOnBundle(bundle: Bundle, key: String, value: Any)

    @Throws(JSONException::class) fun setOnJSON(json: JSONObject, key: String, value: Any)
  }

  init {
    SETTERS[java.lang.Boolean::class.java] =
      object : Setter {
        @Throws(JSONException::class)
        override fun setOnBundle(bundle: Bundle, key: String, value: Any) {
          bundle.putBoolean(key, value as Boolean)
        }

        @Throws(JSONException::class)
        override fun setOnJSON(json: JSONObject, key: String, value: Any) {
          json.put(key, value)
        }
      }
    SETTERS[java.lang.Integer::class.java] =
      object : Setter {
        @Throws(JSONException::class)
        override fun setOnBundle(bundle: Bundle, key: String, value: Any) {
          bundle.putInt(key, value as Int)
        }

        @Throws(JSONException::class)
        override fun setOnJSON(json: JSONObject, key: String, value: Any) {
          json.put(key, value)
        }
      }
    SETTERS[java.lang.Long::class.java] =
      object : Setter {
        @Throws(JSONException::class)
        override fun setOnBundle(bundle: Bundle, key: String, value: Any) {
          bundle.putLong(key, value as Long)
        }

        @Throws(JSONException::class)
        override fun setOnJSON(json: JSONObject, key: String, value: Any) {
          json.put(key, value)
        }
      }
    SETTERS[java.lang.Double::class.java] =
      object : Setter {
        @Throws(JSONException::class)
        override fun setOnBundle(bundle: Bundle, key: String, value: Any) {
          bundle.putDouble(key, value as Double)
        }

        @Throws(JSONException::class)
        override fun setOnJSON(json: JSONObject, key: String, value: Any) {
          json.put(key, value)
        }
      }
    SETTERS[String::class.java] =
      object : Setter {
        @Throws(JSONException::class)
        override fun setOnBundle(bundle: Bundle, key: String, value: Any) {
          bundle.putString(key, value as String)
        }

        @Throws(JSONException::class)
        override fun setOnJSON(json: JSONObject, key: String, value: Any) {
          json.put(key, value)
        }
      }
    SETTERS[Array<String>::class.java] =
      object : Setter {
        @Throws(JSONException::class)
        override fun setOnBundle(bundle: Bundle, key: String, value: Any) {
          throw IllegalArgumentException("Unexpected type from JSON")
        }

        @Throws(JSONException::class)
        override fun setOnJSON(json: JSONObject, key: String, value: Any) {
          val jsonArray = JSONArray()
          for (stringValue in value as Array<String>) {
            jsonArray.put(stringValue)
          }
          json.put(key, jsonArray)
        }
      }
    SETTERS[JSONArray::class.java] =
      object : Setter {
        @Throws(JSONException::class)
        override fun setOnBundle(bundle: Bundle, key: String, value: Any) {
          val jsonArray = value as JSONArray
          val stringArrayList = ArrayList<String>()
          // Empty list, can't even figure out the type, assume an ArrayList<String>
          if (jsonArray.length() == 0) {
            bundle.putStringArrayList(key, stringArrayList)
            return
          }

          // Only strings are supported for now
          for (i in 0 until jsonArray.length()) {
            val current = jsonArray[i]
            if (current is String) {
              stringArrayList.add(current)
            } else {
              throw IllegalArgumentException("Unexpected type in an array: " + current.javaClass)
            }
          }
          bundle.putStringArrayList(key, stringArrayList)
        }

        @Throws(JSONException::class)
        override fun setOnJSON(json: JSONObject, key: String, value: Any) {
          throw IllegalArgumentException("JSONArray's are not supported in bundles.")
        }
      }
  }
}