| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * 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 android.net.wifi.p2p.nsd; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.UUID; |
| |
| /** |
| * A class for storing Upnp service information that is advertised |
| * over a Wi-Fi peer-to-peer setup. |
| * |
| * {@see android.net.wifi.p2p.WifiP2pManager#addLocalService} |
| * {@see android.net.wifi.p2p.WifiP2pManager#removeLocalService} |
| * {@see WifiP2pServiceInfo} |
| * {@see WifiP2pDnsSdServiceInfo} |
| */ |
| public class WifiP2pUpnpServiceInfo extends WifiP2pServiceInfo { |
| |
| /** |
| * UPnP version 1.0. |
| * |
| * <pre>Query Version should always be set to 0x10 if the query values are |
| * compatible with UPnP Device Architecture 1.0. |
| * @hide |
| */ |
| public static final int VERSION_1_0 = 0x10; |
| |
| /** |
| * This constructor is only used in newInstance(). |
| * |
| * @param queryList |
| */ |
| private WifiP2pUpnpServiceInfo(List<String> queryList) { |
| super(queryList); |
| } |
| |
| /** |
| * Create UPnP service information object. |
| * |
| * @param uuid a string representation of this UUID in the following format, |
| * as per <a href="http://www.ietf.org/rfc/rfc4122.txt">RFC 4122</a>.<br> |
| * e.g) 6859dede-8574-59ab-9332-123456789012 |
| * @param device a string representation of this device in the following format, |
| * as per |
| * <a href="http://www.upnp.org/specs/arch/UPnP-arch-DeviceArchitecture-v1.1.pdf"> |
| * UPnP Device Architecture1.1</a><br> |
| * e.g) urn:schemas-upnp-org:device:MediaServer:1 |
| * @param services a string representation of this service in the following format, |
| * as per |
| * <a href="http://www.upnp.org/specs/arch/UPnP-arch-DeviceArchitecture-v1.1.pdf"> |
| * UPnP Device Architecture1.1</a><br> |
| * e.g) urn:schemas-upnp-org:service:ContentDirectory:1 |
| * @return UPnP service information object. |
| */ |
| public static WifiP2pUpnpServiceInfo newInstance(String uuid, |
| String device, List<String> services) { |
| if (uuid == null || device == null) { |
| throw new IllegalArgumentException("uuid or device cannnot be null"); |
| } |
| UUID.fromString(uuid); |
| |
| ArrayList<String> info = new ArrayList<String>(); |
| |
| info.add(createSupplicantQuery(uuid, null)); |
| info.add(createSupplicantQuery(uuid, "upnp:rootdevice")); |
| info.add(createSupplicantQuery(uuid, device)); |
| if (services != null) { |
| for (String service:services) { |
| info.add(createSupplicantQuery(uuid, service)); |
| } |
| } |
| |
| return new WifiP2pUpnpServiceInfo(info); |
| } |
| |
| /** |
| * Create wpa_supplicant service query for upnp. |
| * |
| * @param uuid |
| * @param data |
| * @return wpa_supplicant service query for upnp |
| */ |
| private static String createSupplicantQuery(String uuid, String data) { |
| StringBuffer sb = new StringBuffer(); |
| sb.append("upnp "); |
| sb.append(String.format(Locale.US, "%02x ", VERSION_1_0)); |
| sb.append("uuid:"); |
| sb.append(uuid); |
| if (data != null) { |
| sb.append("::"); |
| sb.append(data); |
| } |
| return sb.toString(); |
| } |
| } |