/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You 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 org.apache.commons.io.function;
  
  import java.io.IOException;
  import java.io.UncheckedIOException;
  import java.util.Comparator;
  import java.util.Objects;
  import java.util.Spliterator;
  import java.util.function.Consumer;
  
  /**
   * A {@link Spliterator} for an {@link IOSpliterator} that throws {@link UncheckedIOException} instead of
   * {@link IOException}.
   * <p>
   * Keep package-private for now.
   * </p>
   *
   * @param <T> the type of elements returned by this iterator.
   */
  final class UncheckedIOSpliterator<T> implements Spliterator<T> {
  
      private final IOSpliterator<T> delegate;
  
      UncheckedIOSpliterator(final IOSpliterator<T> delegate) {
          this.delegate = Objects.requireNonNull(delegate, "delegate");
      }
  
      @Override
      public int characteristics() {
          return delegate.characteristics();
      }
  
      @Override
      public long estimateSize() {
          return delegate.estimateSize();
      }
  
      @Override
      public void forEachRemaining(final Consumer<? super T> action) {
          Uncheck.accept(delegate::forEachRemaining, action::accept);
      }
  
      @Override
      public Comparator<? super T> getComparator() {
          return delegate.getComparator().asComparator();
      }
  
      @Override
      public long getExactSizeIfKnown() {
          return delegate.getExactSizeIfKnown();
      }
  
      @Override
      public boolean hasCharacteristics(final int characteristics) {
          return delegate.hasCharacteristics(characteristics);
      }
  
      @Override
      public boolean tryAdvance(final Consumer<? super T> action) {
          return Uncheck.apply(delegate::tryAdvance, action::accept);
      }
  
      @Override
      public Spliterator<T> trySplit() {
          return Uncheck.get(delegate::trySplit).unwrap();
      }
  
  }