embedding_android_4.kt

interface VocabCallback {
    fun onDataProcessed( result : HashMap<String, DoubleArray>?)
}

private inner class LoadVocabularyTask(callback: VocabCallback?) : AsyncTask<String, Void, HashMap<String, DoubleArray>?>() {

    private var callback : VocabCallback? = callback

    override fun doInBackground(vararg params: String?): HashMap<String, DoubleArray>? {
        val jsonObject = JSONObject( params[0] )
        val iterator : Iterator<String> = jsonObject.keys()
        val data = HashMap< String , DoubleArray >()
        while ( iterator.hasNext() ) {
            val key = iterator.next()
            val array = jsonObject.getJSONArray( key )
            val embeddingArray = DoubleArray( array.length() )
            for ( x in 0 until array.length() ) {
                embeddingArray[x] = array.get( x ) as Double
            }
            data[key] = embeddingArray
        }
        return data
    }

    override fun onPostExecute(vocab: HashMap<String, DoubleArray>?) {
        super.onPostExecute(vocab)
        callback?.onDataProcessed( vocab )
    }
}