/*
    * 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.maven;
  
  import java.util.List;
  import java.util.Map;
  import java.util.Optional;
  
  import org.apache.maven.api.services.Lookup;
  import org.apache.maven.api.services.LookupException;
  
  public class SimpleLookup implements Lookup {
      private final List<Object> objects;
  
      public SimpleLookup(List<Object> objects) {
          this.objects = objects;
      }
  
      @Override
      public <T> T lookup(Class<T> type) {
          return objects.stream()
                  .filter(type::isInstance)
                  .map(type::cast)
                  .findAny()
                  .orElseThrow(() -> new LookupException("No service of type " + type));
      }
  
      @Override
      public <T> T lookup(Class<T> type, String name) {
          return null;
      }
  
      @Override
      public <T> Optional<T> lookupOptional(Class<T> type) {
          return Optional.empty();
      }
  
      @Override
      public <T> Optional<T> lookupOptional(Class<T> type, String name) {
          return Optional.empty();
      }
  
      @Override
      public <T> List<T> lookupList(Class<T> type) {
          return List.of();
      }
  
      @Override
      public <T> Map<String, T> lookupMap(Class<T> type) {
          return Map.of();
      }
  }