content: /*
   *  Copyright 2016-2024 Qameta Software Inc
   *
   *  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 io.qameta.allure.util;
  
  import java.util.Collection;
  import java.util.List;
  import java.util.Objects;
  import java.util.function.Function;
  import java.util.function.Predicate;
  
  import static java.util.stream.Collectors.toList;
  
  /**
   * Useful conversion methods.
   */
  public final class ConvertUtils {
  
      private ConvertUtils() {
          throw new IllegalStateException("do not instance");
      }
  
      public static <T, R> List<R> convertList(final Collection<T> source, final Function<T, R> converter) {
          return convertList(source, t -> true, converter);
      }
  
      public static <T, R> List<R> convertList(final Collection<T> source,
                                               final Predicate<T> predicate,
                                               final Function<T, R> converter) {
          return Objects.isNull(source) ? null : source.stream()
                  .filter(predicate)
                  .map(converter)
                  .collect(toList());
      }
  
  }
  