/*
 * Copyright 2022 Google LLC
 *
 * 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.libraries.mobiledatadownload.file.common.testing;

import android.net.Uri;
import com.google.android.libraries.mobiledatadownload.file.spi.Monitor;

/** A monitor that doesn't monitor any IO (i.e. always returns null). */
public final class NoOpMonitor implements Monitor {

  @Override
  public Monitor.InputMonitor monitorRead(Uri unusedUri) {
    return null;
  }

  @Override
  public Monitor.OutputMonitor monitorWrite(Uri unusedUri) {
    return null;
  }

  @Override
  public Monitor.OutputMonitor monitorAppend(Uri unusedUri) {
    return null;
  }
}