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Stripe Java Bindings

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

public class FeeRefundCollectionDeserializer implements JsonDeserializer {

  public static final Type REFUND_LIST_TYPE = new TypeToken>() {
  }.getType();

  /**
   * Deserializes a fee_refund list JSON payload into a {@link FeeRefundCollection} object.
   */
  @Override
  public FeeRefundCollection 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 2014-07-26 and earlier render application fee refunds as an array instead of an
    // object
    if (json.isJsonArray()) {
      List refunds = gson.fromJson(json, REFUND_LIST_TYPE);
      FeeRefundCollection collection = new FeeRefundCollection();
      collection.setData(refunds);
      collection.setHasMore(false);
      collection.setTotalCount(Long.valueOf(refunds.size()));
      return collection;
    } else {
      return gson.fromJson(json, typeOfT);
    }
  }
}