/*
    * 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.project.collector;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.inject.Singleton;
  
  import java.io.File;
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.maven.execution.MavenExecutionRequest;
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.project.ProjectBuildingException;
  
  /**
   * Strategy to collect projects based on the <code>-f</code> CLI parameter or the pom.xml in the working directory.
   */
  @Named("RequestPomCollectionStrategy")
  @Singleton
  public class RequestPomCollectionStrategy implements ProjectCollectionStrategy {
      private final ProjectsSelector projectsSelector;
  
      @Inject
      public RequestPomCollectionStrategy(ProjectsSelector projectsSelector) {
          this.projectsSelector = projectsSelector;
      }
  
      @Override
      public List<MavenProject> collectProjects(MavenExecutionRequest request) throws ProjectBuildingException {
          List<File> files = Collections.singletonList(request.getPom().getAbsoluteFile());
          return projectsSelector.selectProjects(files, request);
      }
  }