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/*
* Copyright (C) 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.android.mobly.snippet.bundled.utils;
import android.annotation.TargetApi;
import android.bluetooth.BluetoothGattCharacteristic;
import android.bluetooth.BluetoothGattService;
import android.bluetooth.le.AdvertiseData;
import android.bluetooth.le.AdvertiseSettings;
import android.bluetooth.le.ScanFilter;
import android.bluetooth.le.ScanSettings;
import android.net.wifi.WifiConfiguration;
import android.os.Build;
import android.os.ParcelUuid;
import android.util.Base64;
import java.util.UUID;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
/**
* A collection of methods used to deserialize JSON strings into data objects defined in Android
* API.
*/
public class JsonDeserializer {
private JsonDeserializer() {}
public static WifiConfiguration jsonToWifiConfig(JSONObject jsonObject) throws JSONException {
WifiConfiguration config = new WifiConfiguration();
config.SSID = "\"" + jsonObject.getString("SSID") + "\"";
config.hiddenSSID = jsonObject.optBoolean("hiddenSSID", false);
if (jsonObject.has("password")) {
config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);
config.preSharedKey = "\"" + jsonObject.getString("password") + "\"";
} else {
config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
}
return config;
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static AdvertiseSettings jsonToBleAdvertiseSettings(JSONObject jsonObject)
throws JSONException {
AdvertiseSettings.Builder builder = new AdvertiseSettings.Builder();
if (jsonObject.has("AdvertiseMode")) {
int mode = MbsEnums.BLE_ADVERTISE_MODE.getInt(jsonObject.getString("AdvertiseMode"));
builder.setAdvertiseMode(mode);
}
// Timeout in milliseconds.
if (jsonObject.has("Timeout")) {
builder.setTimeout(jsonObject.getInt("Timeout"));
}
if (jsonObject.has("Connectable")) {
builder.setConnectable(jsonObject.getBoolean("Connectable"));
}
if (jsonObject.has("TxPowerLevel")) {
int txPowerLevel =
MbsEnums.BLE_ADVERTISE_TX_POWER.getInt(jsonObject.getString("TxPowerLevel"));
builder.setTxPowerLevel(txPowerLevel);
}
return builder.build();
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static AdvertiseData jsonToBleAdvertiseData(JSONObject jsonObject) throws JSONException {
AdvertiseData.Builder builder = new AdvertiseData.Builder();
if (jsonObject.has("IncludeDeviceName")) {
builder.setIncludeDeviceName(jsonObject.getBoolean("IncludeDeviceName"));
}
if (jsonObject.has("IncludeTxPowerLevel")) {
builder.setIncludeTxPowerLevel(jsonObject.getBoolean("IncludeTxPowerLevel"));
}
if (jsonObject.has("ServiceData")) {
JSONArray serviceData = jsonObject.getJSONArray("ServiceData");
for (int i = 0; i < serviceData.length(); i++) {
JSONObject dataSet = serviceData.getJSONObject(i);
ParcelUuid parcelUuid = ParcelUuid.fromString(dataSet.getString("UUID"));
builder.addServiceUuid(parcelUuid);
if (dataSet.has("Data")) {
byte[] data = Base64.decode(dataSet.getString("Data"), Base64.DEFAULT);
builder.addServiceData(parcelUuid, data);
}
}
}
if (jsonObject.has("ManufacturerData")) {
JSONObject manufacturerData = jsonObject.getJSONObject("ManufacturerData");
int manufacturerId = manufacturerData.getInt("ManufacturerId");
byte[] manufacturerSpecificData =
Base64.decode(
manufacturerData.getString("ManufacturerSpecificData"), Base64.DEFAULT);
builder.addManufacturerData(manufacturerId, manufacturerSpecificData);
}
return builder.build();
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static BluetoothGattService jsonToBluetoothGattService(
DataHolder dataHolder, JSONObject jsonObject) throws JSONException {
BluetoothGattService service =
new BluetoothGattService(
UUID.fromString(jsonObject.getString("UUID")),
MbsEnums.BLE_SERVICE_TYPE.getInt(jsonObject.getString("Type")));
JSONArray characteristics = jsonObject.getJSONArray("Characteristics");
for (int i = 0; i < characteristics.length(); i++) {
BluetoothGattCharacteristic characteristic =
jsonToBluetoothGattCharacteristic(dataHolder, characteristics.getJSONObject(i));
service.addCharacteristic(characteristic);
}
return service;
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static BluetoothGattCharacteristic jsonToBluetoothGattCharacteristic(
DataHolder dataHolder, JSONObject jsonObject) throws JSONException {
BluetoothGattCharacteristic characteristic =
new BluetoothGattCharacteristic(
UUID.fromString(jsonObject.getString("UUID")),
MbsEnums.BLE_PROPERTY_TYPE.getInt(jsonObject.getString("Property")),
MbsEnums.BLE_PERMISSION_TYPE.getInt(jsonObject.getString("Permission")));
if (jsonObject.has("Data")) {
dataHolder.insertData(characteristic, jsonObject.getString("Data"));
}
return characteristic;
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static ScanFilter jsonToScanFilter(JSONObject jsonObject) throws JSONException {
ScanFilter.Builder builder = new ScanFilter.Builder();
if (jsonObject.has("ServiceUuid")) {
builder.setServiceUuid(ParcelUuid.fromString(jsonObject.getString("ServiceUuid")));
}
return builder.build();
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static ScanSettings jsonToScanSettings(JSONObject jsonObject) throws JSONException {
ScanSettings.Builder builder = new ScanSettings.Builder();
if (jsonObject.has("ScanMode")) {
builder.setScanMode(MbsEnums.BLE_SCAN_MODE.getInt(jsonObject.getString("ScanMode")));
}
return builder.build();
}
}
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