content: /*
   * Copyright (C) 2022 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 androidx.test.espresso.util;
  
  import androidx.annotation.RestrictTo;
  import androidx.annotation.RestrictTo.Scope;
  import java.lang.reflect.Array;
  import java.util.ArrayList;
  import java.util.Iterator;
  
  /**
   * A reimplementation of needed methods from Guava, to avoid the direct dependency.
   *
   * @hide
   */
  @RestrictTo(Scope.LIBRARY_GROUP)
  public class Iterators {
  
    private Iterators() {}
  
    /**
     * Converts an iterator into a array.
     *
     * @param iterator the {@link Iterator} to convert
     * @param clazz the element type
     * @return an array of all of the iterators' elements
     * @hide
     */
    @RestrictTo(Scope.LIBRARY_GROUP)
    public static <T> T[] toArray(Iterator<T> iterator, Class<T> clazz) {
      ArrayList<T> arrayList = new ArrayList<>();
      while (iterator.hasNext()) {
        arrayList.add(iterator.next());
      }
      return arrayList.toArray((T[]) Array.newInstance(clazz, arrayList.size()));
    }
  }
  