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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/payments/core/payment_method_data.h"
#include "base/json/json_writer.h"
#include "base/strings/string_util.h"
#include "base/values.h"
namespace payments {
namespace {
// These are defined as part of the spec at:
// https://w3c.github.io/payment-method-basic-card/
static const char kMethodDataData[] = "data";
static const char kSupportedMethods[] = "supportedMethods";
static const char kSupportedNetworks[] = "supportedNetworks";
} // namespace
PaymentMethodData::PaymentMethodData() {}
PaymentMethodData::PaymentMethodData(const PaymentMethodData& other) = default;
PaymentMethodData::~PaymentMethodData() = default;
bool PaymentMethodData::operator==(const PaymentMethodData& other) const {
return supported_method == other.supported_method && data == other.data &&
supported_networks == other.supported_networks;
}
bool PaymentMethodData::operator!=(const PaymentMethodData& other) const {
return !(*this == other);
}
bool PaymentMethodData::FromValue(const base::Value& value) {
if (!value.is_dict()) {
return false;
}
supported_networks.clear();
// The value of supportedMethods should be a string.
const std::string* supported_method_in =
value.FindStringKey(kSupportedMethods);
if (!supported_method_in || !base::IsStringASCII(*supported_method_in) ||
supported_method_in->empty()) {
return false;
}
supported_method = *supported_method_in;
// Data is optional, but if a dictionary is present, save a stringified
// version and attempt to parse supportedNetworks.
const base::Value* data_dict = value.FindDictKey(kMethodDataData);
if (data_dict) {
std::string json_data;
base::JSONWriter::Write(*data_dict, &json_data);
data = json_data;
const base::Value* supported_networks_list =
data_dict->FindListKey(kSupportedNetworks);
if (supported_networks_list) {
for (const base::Value& supported_network :
supported_networks_list->GetListDeprecated()) {
if (!supported_network.is_string() ||
!base::IsStringASCII(supported_network.GetString())) {
return false;
}
supported_networks.push_back(supported_network.GetString());
}
}
}
return true;
}
} // namespace payments
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