/*
    * 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.internal.impl;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.inject.Singleton;
  
  import java.util.List;
  import java.util.Map;
  import java.util.NoSuchElementException;
  import java.util.Optional;
  
  import org.apache.maven.api.services.Lookup;
  import org.apache.maven.api.services.LookupException;
  import org.codehaus.plexus.PlexusContainer;
  import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
  
  @Named
  @Singleton
  public class DefaultLookup implements Lookup {
  
      private final PlexusContainer container;
  
      @Inject
      public DefaultLookup(PlexusContainer container) {
          this.container = container;
      }
  
      @Override
      public <T> T lookup(Class<T> type) {
          try {
              return container.lookup(type);
          } catch (ComponentLookupException e) {
              throw new LookupException(e);
          }
      }
  
      @Override
      public <T> T lookup(Class<T> type, String name) {
          try {
              return container.lookup(type, name);
          } catch (ComponentLookupException e) {
              throw new LookupException(e);
          }
      }
  
      @Override
      public <T> Optional<T> lookupOptional(Class<T> type) {
          try {
              return Optional.of(container.lookup(type));
          } catch (ComponentLookupException e) {
              if (e.getCause() instanceof NoSuchElementException) {
                  return Optional.empty();
              }
              throw new LookupException(e);
          }
      }
  
      @Override
      public <T> Optional<T> lookupOptional(Class<T> type, String name) {
          try {
              return Optional.of(container.lookup(type, name));
          } catch (ComponentLookupException e) {
              if (e.getCause() instanceof NoSuchElementException) {
                  return Optional.empty();
              }
              throw new LookupException(e);
          }
      }
  
      @Override
      public <T> List<T> lookupList(Class<T> type) {
          try {
              return container.lookupList(type);
          } catch (ComponentLookupException e) {
              throw new LookupException(e);
          }
      }
  
      @Override
      public <T> Map<String, T> lookupMap(Class<T> type) {
          try {
             return container.lookupMap(type);
         } catch (ComponentLookupException e) {
             throw new LookupException(e);
         }
     }
 }