content: /*
   * Copyright (C) 2018 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 com.android.server.wifi;
  
  import android.net.wifi.WifiConfiguration;
  
  import org.xmlpull.v1.XmlPullParser;
  import org.xmlpull.v1.XmlPullParserException;
  
  import java.io.IOException;
  import java.util.List;
  
  /**
   * Interface describing parser of WiFi backup data for each major version.
   * Note that implementations of this interface should be returned
   * from {@link WifiBackupRestore#getWifiBackupDataParser()} method based on major version they
   * belong to.
   */
  interface WifiBackupDataParser {
  
      /**
       * Parses the list of configurations from the provided XML stream.
       *
       * @param in            XmlPullParser instance pointing to the XML stream.
       * @param outerTagDepth depth of the outer tag in the XML document.
       * @param minorVersion  minor version number parsed from incoming data.
       * @return List<WifiConfiguration> object if parsing is successful, null otherwise.
       */
      List<WifiConfiguration> parseNetworkConfigurationsFromXml(XmlPullParser in, int outerTagDepth,
              int minorVersion) throws XmlPullParserException, IOException;
  }
  