/*
    * 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.aether;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.inject.Singleton;
  
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Properties;
  
  import org.apache.maven.api.services.Lookup;
  import org.apache.maven.api.spi.PropertyContributor;
  import org.apache.maven.execution.MavenExecutionRequest;
  
  /**
   * Extender that manages {@link PropertyContributor}.
   *
   * @since 4.0.0
   */
  @Named
  @Singleton
  class PropertyContributorExtender implements MavenExecutionRequestExtender {
      private final Lookup lookup;
  
      @Inject
      PropertyContributorExtender(Lookup lookup) {
          this.lookup = lookup;
      }
  
      @SuppressWarnings({"rawtypes", "unchecked"})
      @Override
      public void extend(MavenExecutionRequest mavenExecutionRequest) {
          Map<String, PropertyContributor> effectivePropertyContributors = lookup.lookupMap(PropertyContributor.class);
          if (!effectivePropertyContributors.isEmpty()) {
              HashMap<String, String> userPropertiesMap = new HashMap<>((Map) mavenExecutionRequest.getUserProperties());
              for (PropertyContributor contributor : effectivePropertyContributors.values()) {
                  contributor.contribute(userPropertiesMap);
              }
              Properties newProperties = new Properties();
              newProperties.putAll(userPropertiesMap);
              mavenExecutionRequest.setUserProperties(newProperties);
          }
      }
  }