packages/connectivity/connectivity/android/src/main/java/io/flutter/plugins/connectivity/ConnectivityMethodChannelHandler.java

// Copyright 2019 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.

package io.flutter.plugins.connectivity;

import io.flutter.plugin.common.MethodCall;
import io.flutter.plugin.common.MethodChannel;

/**
 * The handler receives {@link MethodCall}s from the UIThread, gets the related information from
 * a @{@link Connectivity}, and then send the result back to the UIThread through the {@link
 * MethodChannel.Result}.
 */
class ConnectivityMethodChannelHandler implements MethodChannel.MethodCallHandler {

  private Connectivity connectivity;

  /**
   * Construct the ConnectivityMethodChannelHandler with a {@code connectivity}. The {@code
   * connectivity} must not be null.
   */
  ConnectivityMethodChannelHandler(Connectivity connectivity) {
    assert (connectivity != null);
    this.connectivity = connectivity;
  }

  @Override
  public void onMethodCall(MethodCall call, MethodChannel.Result result) {
    switch (call.method) {
      case "check":
        result.success(connectivity.getNetworkType());
        break;
      default:
        result.notImplemented();
        break;
    }
  }
}