com.stripe.model.ChargeRefundCollectionDeserializer Maven / Gradle / Ivy

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package com.stripe.model;

import com.google.gson.FieldNamingPolicy;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonParseException;
import com.google.gson.reflect.TypeToken;
import com.stripe.model.ExpandableField;
import com.stripe.model.ExpandableFieldDeserializer;

import java.lang.reflect.Type;
import java.util.List;

public class ChargeRefundCollectionDeserializer
    implements JsonDeserializer {

  /**
   * Deserializes a refund list JSON payload into a {@link ChargeRefundCollection} object.
   */
  @Override
  public ChargeRefundCollection deserialize(JsonElement json, Type typeOfT,
      JsonDeserializationContext context)
      throws JsonParseException {
    Gson gson = new GsonBuilder()
        .setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES)
        .registerTypeAdapter(ExpandableField.class, new ExpandableFieldDeserializer())
        .create();

    // API versions 2014-05-19 and earlier render charge refunds as an array instead of an object
    if (json.isJsonArray()) {
      Type refundListType = new TypeToken>() {
      }.getType();
      List refunds = gson.fromJson(json, refundListType);
      ChargeRefundCollection collection = new ChargeRefundCollection();
      collection.setData(refunds);
      collection.setHasMore(false);
      collection.setTotalCount(Long.valueOf(refunds.size()));
      return collection;
    }

    return gson.fromJson(json, typeOfT);
  }
}