package org.apache.maven.shared.release.phase;
   
   /*
    * 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.
   */
  
  import org.apache.maven.artifact.ArtifactUtils;
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.scm.manager.NoSuchScmProviderException;
  import org.apache.maven.scm.repository.ScmRepositoryException;
  import org.apache.maven.shared.release.ReleaseExecutionException;
  import org.apache.maven.shared.release.ReleaseFailureException;
  import org.apache.maven.shared.release.ReleaseResult;
  import org.apache.maven.shared.release.config.ReleaseDescriptor;
  import org.apache.maven.shared.release.env.ReleaseEnvironment;
  import org.apache.maven.shared.release.scm.ReleaseScmRepositoryException;
  import org.apache.maven.shared.release.scm.ScmRepositoryConfigurator;
  import org.apache.maven.shared.release.util.ReleaseUtil;
  import org.codehaus.plexus.util.StringUtils;
  
  import java.util.List;
  
  /**
   * Phase that checks the validity of the POM before release.
   *
   * @author <a href="mailto:brett@apache.org">Brett Porter</a>
   */
  public class CheckPomPhase
      extends AbstractReleasePhase
  {
      
      /**
       * @since 2.4
       */
      private boolean scmRequired = true;
      
      /**
       * @since 2.5.2
       */
      private boolean snapshotsRequired = true;
  
      private ScmRepositoryConfigurator scmRepositoryConfigurator;
  
      public ReleaseResult execute( ReleaseDescriptor releaseDescriptor, ReleaseEnvironment releaseEnvironment,
                                    List<MavenProject> reactorProjects )
          throws ReleaseExecutionException, ReleaseFailureException
      {
          ReleaseResult result = new ReleaseResult();
  
          // Currently, we don't deal with multiple SCM locations in a multiproject
          if ( scmRequired && StringUtils.isEmpty( releaseDescriptor.getScmSourceUrl() ) )
          {
              MavenProject rootProject = ReleaseUtil.getRootProject( reactorProjects );
              if ( rootProject != null && rootProject.getScm() != null )
              {
                  if ( rootProject.getScm().getDeveloperConnection() != null )
                  {
                      releaseDescriptor.setScmSourceUrl( rootProject.getScm().getDeveloperConnection() );
                  }
                  else if ( rootProject.getScm().getConnection() != null )
                  {
                      releaseDescriptor.setScmSourceUrl( rootProject.getScm().getConnection() );
                  }
              }
  
              if ( StringUtils.isEmpty( releaseDescriptor.getScmSourceUrl() ) )
              {
                  throw new ReleaseFailureException(
                      "Missing required setting: scm connection or developerConnection must be specified." );
              }
  
              // As long as Scm.getId() does not exist, read it as a property
              releaseDescriptor.setScmId( rootProject.getProperties().getProperty( "project.scm.id" ) );
  
              try
              {
                  scmRepositoryConfigurator.getConfiguredRepository( releaseDescriptor,
                                                                     releaseEnvironment.getSettings() );
              }
              catch ( ScmRepositoryException e )
              {
                  throw new ReleaseScmRepositoryException( e.getMessage(), e.getValidationMessages() );
              }
              catch ( NoSuchScmProviderException e )
             {
                 throw new ReleaseFailureException(
                     "The provider given in the SCM URL could not be found: " + e.getMessage() );
             }
         }
 
         boolean containsSnapshotProjects = false;
 
         for ( MavenProject project : reactorProjects )
         {
             if ( ArtifactUtils.isSnapshot( project.getVersion() ) )
             {
                 containsSnapshotProjects = true;
 
                 break;
             }
         }
 
         if ( snapshotsRequired && !containsSnapshotProjects && !releaseDescriptor.isBranchCreation() )
         {
             throw new ReleaseFailureException( "You don't have a SNAPSHOT project in the reactor projects list." );
         }
 
         result.setResultCode( ReleaseResult.SUCCESS );
 
         return result;
     }
 
     public ReleaseResult simulate( ReleaseDescriptor releaseDescriptor, ReleaseEnvironment releaseEnvironment,
                                    List<MavenProject> reactorProjects )
         throws ReleaseExecutionException, ReleaseFailureException
     {
         // It makes no modifications, so simulate is the same as execute
         return execute( releaseDescriptor, releaseEnvironment, reactorProjects );
     }
 }