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package com.stripe.model;
import com.google.gson.*;
import java.lang.reflect.Type;
import java.util.Map;
import java.util.HashMap;
public class SourceDeserializer implements JsonDeserializer {
private void populateMapFromJSONObject(Map objMap, JsonObject jsonObject) {
for (Map.Entry entry: jsonObject.entrySet()) {
String key = entry.getKey();
JsonElement val = entry.getValue();
String value;
if (!val.isJsonNull()) {
value = entry.getValue().getAsString();
objMap.put(key, value);
}
}
}
public Source deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
throws JsonParseException {
Gson gson = new GsonBuilder()
.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES)
.create();
if (json.isJsonNull()) {
return null;
}
if (!json.isJsonObject()) {
throw new JsonParseException("Source type was not an object, which is problematic.");
}
JsonObject sourceAsJsonObject = json.getAsJsonObject();
// Get the `type` out of the response.
String type = sourceAsJsonObject.getAsJsonPrimitive("type").getAsString();
// Populate the `typeData` from the `type` property.
Map typeData = new HashMap();
populateMapFromJSONObject(typeData, sourceAsJsonObject.getAsJsonObject(type));
// Remove the `type` property.
sourceAsJsonObject.remove(type);
Source parsedData = gson.fromJson(json, typeOfT);
parsedData.setTypeData(typeData);
return parsedData;
}
}
