/*
    * 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.plugins.assembly.functions;
  
  import java.util.List;
  import java.util.Set;
  
  import org.apache.maven.artifact.Artifact;
  import org.apache.maven.artifact.ArtifactUtils;
  import org.apache.maven.project.MavenProject;
  import org.slf4j.Logger;
  
  /**
   *
   */
  public class MavenProjects {
      public static void without(Iterable<MavenProject> source, String packagingType, MavenProjectConsumer consumer) {
          for (MavenProject project : source) {
              if (!packagingType.equals(project.getPackaging())) {
                  consumer.accept(project);
              }
          }
      }
  
      public static void select(Iterable<MavenProject> source, String packagingType, MavenProjectConsumer consumer) {
          for (MavenProject project : source) {
              if (packagingType.equals(project.getPackaging())) {
                  consumer.accept(project);
              }
          }
      }
  
      public static void select(
              Iterable<MavenProject> source,
              String packagingType,
              MavenProjectConsumer include,
              MavenProjectConsumer excluded) {
          for (MavenProject project : source) {
              if (packagingType.equals(project.getPackaging())) {
                  include.accept(project);
              } else {
                  excluded.accept(project);
              }
          }
      }
  
      public static Artifact findArtifactByClassifier(MavenProject mavenProject, String classifier) {
          final List<Artifact> attachments = mavenProject.getAttachedArtifacts();
          if ((attachments != null) && !attachments.isEmpty()) {
              for (final Artifact attachment : attachments) {
                  if (classifier.equals(attachment.getClassifier())) {
                      return attachment;
                  }
              }
          }
          return null;
      }
  
      public static MavenProjectConsumer log(final Logger logger) {
          return new MavenProjectConsumer() {
              @Override
              public void accept(MavenProject project) {
                  final String projectId = ArtifactUtils.versionlessKey(project.getGroupId(), project.getArtifactId());
  
                  logger.debug("Excluding POM-packaging module: " + projectId);
              }
          };
      }
  
      public static MavenProjectConsumer addTo(final Set<MavenProject> set) {
          return new MavenProjectConsumer() {
              @Override
              public void accept(MavenProject project) {
                  set.add(project);
              }
          };
      }
  }