content: /*
   * 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.beam.sdk.extensions.euphoria.core.util;
  
  import java.io.IOException;
  import java.util.stream.Stream;
  
  /** Util class that helps iterate over methods throwing {@link IOException}. */
  /** @deprecated Use Java SDK directly, Euphoria is scheduled for removal in a future release. */
  @Deprecated
  public class IOUtils {
  
    /**
     * Accepts consumer for each element. First occurred IOException is thrown after all elements are
     * iterated. Other IOExceptions are appended as suppressed.
     *
     * @param iterable list of elements
     * @param consumer that performs accept operation
     * @param <T> type of element
     * @throws IOException first occurred IOException
     */
    public static <T> void forEach(Iterable<T> iterable, IOConsumer<T> consumer) throws IOException {
      IOException firstException = null;
      for (T element : iterable) {
        try {
          consumer.accept(element);
        } catch (IOException e) {
          if (firstException != null) {
            firstException.addSuppressed(e);
          } else {
            firstException = e;
          }
        }
      }
      if (firstException != null) {
        throw firstException;
      }
    }
  
    @SuppressWarnings("StreamToIterable") // forEach only iterates once
    public static <T> void forEach(Stream<T> stream, IOConsumer<T> consumer) throws IOException {
      forEach(stream::iterator, consumer);
    }
  
    /** User defined {@link IOException} throwing consumer. */
    @FunctionalInterface
    public interface IOConsumer<T> {
      void accept(T t) throws IOException;
    }
  }
  