/*
    * 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.shared.release.phase;
  
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.nio.file.Files;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.maven.model.Model;
  import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.shared.release.PlexusJUnit4TestCase;
  import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
  
  /**
   * @author Edwin Punzalan
   */
  public abstract class AbstractBackupPomsPhaseTest extends PlexusJUnit4TestCase {
      private final String pomFilename = "pom.xml";
  
      protected final String releaseBackupSuffix = ".releaseBackup";
  
      protected ReleasePhase phase;
  
      @Override
      public void setUp() throws Exception {
          super.setUp();
  
          phase = getReleasePhase();
      }
  
      abstract ReleasePhase getReleasePhase() throws Exception;
  
      protected List<MavenProject> getReactorProjects(String projectPath) throws Exception {
          List<MavenProject> reactorProjects = new ArrayList<>();
  
          File pomFile = new File(projectPath, pomFilename);
  
          MavenProject mainProject = createMavenProject(pomFile);
  
          reactorProjects.add(mainProject);
  
          for (String module : mainProject.getModel().getModules()) {
              File modulePom = new File(projectPath + "/" + module, pomFilename);
  
              MavenProject subproject = createMavenProject(modulePom);
  
              reactorProjects.add(subproject);
          }
  
          return reactorProjects;
      }
  
      private MavenProject createMavenProject(File pomFile) throws IOException, XmlPullParserException {
          MavenXpp3Reader reader = new MavenXpp3Reader();
          try (InputStream in = Files.newInputStream(pomFile.toPath())) {
              Model model = reader.read(in);
              MavenProject project = new MavenProject(model);
              project.setFile(pomFile);
              return project;
          }
      }
  }