package org.apache.maven.archetype.test;
   
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    * 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
   *
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  import org.apache.maven.archetype.ArchetypeGenerationRequest;
  import org.apache.maven.archetype.ArchetypeGenerationResult;
  import org.apache.maven.archetype.ArchetypeManager;
  import org.apache.maven.artifact.repository.ArtifactRepository;
  import org.apache.maven.artifact.repository.ArtifactRepositoryPolicy;
  import org.apache.maven.artifact.repository.MavenArtifactRepository;
  import org.apache.maven.artifact.repository.layout.DefaultRepositoryLayout;
  import org.apache.maven.project.DefaultProjectBuildingRequest;
  import org.apache.maven.project.ProjectBuildingRequest;
  import org.apache.maven.repository.internal.MavenRepositorySystemSession;
  import org.codehaus.plexus.PlexusTestCase;
  
  import java.io.File;
  import java.util.Properties;
  
  import org.apache.maven.archetype.catalog.Archetype;
  import org.apache.maven.archetype.catalog.ArchetypeCatalog;
  import org.codehaus.plexus.util.FileUtils;
  import org.sonatype.aether.impl.internal.SimpleLocalRepositoryManager;
  
  /** @author Jason van Zyl */
  public class ArchetypeGenerationTest
      extends PlexusTestCase
  {
      public void testProjectGenerationFromAnArchetype()
          throws Exception
      {
          ArchetypeManager archetype = (ArchetypeManager) lookup( ArchetypeManager.ROLE );
  
          // In the embedder the localRepository will be retrieved from the embedder itself and users won't
          // have to go through this muck.
  
          ArtifactRepository localRepository = createRepository(
              new File( getBasedir(), "target/test-classes/repositories/local" )
                  .toURI().toURL().toExternalForm(), "local-repo" );
          
          ProjectBuildingRequest buildingRequest = new DefaultProjectBuildingRequest();
          MavenRepositorySystemSession repositorySession = new MavenRepositorySystemSession();
          repositorySession.setLocalRepositoryManager( new SimpleLocalRepositoryManager( "target/test-classes/repositories/central" ) );
          buildingRequest.setRepositorySession( repositorySession );
  
          ArchetypeCatalog catalog = archetype.getLocalCatalog( buildingRequest );
  
          System.err.println( "archetypes => " + catalog.getArchetypes() );
          // Here I am just grabbing a OldArchetype but in a UI you would take the OldArchetype objects and present
          // them to the user.
  
          Archetype selection = (Archetype) catalog.getArchetypes().get( catalog.getArchetypes().size() - 1 );
  
          System.err.println( "Selected OldArchetype = " + selection );
          // Now you will present a dialog, or whatever, and grab the following values.
  
          String groupId = "com.mycompany";
  
          String artifactId = "app";
  
          String version = "1.0.0";
  
          String packageName = "org.mycompany.app";
  
          // With the selected OldArchetype and the parameters you can create a generation request as follows:
          File outputDirectory = new File( getBasedir(), "target/test-classes/projects/archetyper-generate-1" );
          FileUtils.forceDelete(outputDirectory);
  
          ArchetypeGenerationRequest agr = new ArchetypeGenerationRequest( selection )
              .setOutputDirectory( outputDirectory.getAbsolutePath() )
              .setLocalRepository( localRepository )
              .setGroupId( groupId )
              .setArtifactId( artifactId )
              .setVersion( version )
              .setPackage( packageName );
  
          Properties archetypeRequiredProperties = new Properties();
          archetypeRequiredProperties.setProperty( "property-with-default-1", "value-1" );
          archetypeRequiredProperties.setProperty( "property-with-default-2", "value-2" );
          archetypeRequiredProperties.setProperty( "property-with-default-3", "value-3" );
          archetypeRequiredProperties.setProperty( "property-with-default-4", "value-4" );
          archetypeRequiredProperties.setProperty( "property-without-default-1", "some-value-1" );
         archetypeRequiredProperties.setProperty( "property-without-default-2", "some-value-2" );
         archetypeRequiredProperties.setProperty( "property-without-default-3", "some-value-3" );
         archetypeRequiredProperties.setProperty( "property-without-default-4", "some-value-4" );
         agr.setProperties( archetypeRequiredProperties );
         agr.setProjectBuildingRequest( buildingRequest );
         
         // Then generate away!
 
         ArchetypeGenerationResult result = archetype.generateProjectFromArchetype( agr );
 
         if ( result.getCause() != null )
         {
             result.getCause().printStackTrace( System.err );
             fail( result.getCause().getMessage() );
         }
     }
     
     private ArtifactRepository createRepository( String url, String repositoryId )
     {
         String updatePolicyFlag = ArtifactRepositoryPolicy.UPDATE_POLICY_ALWAYS;
 
         String checksumPolicyFlag = ArtifactRepositoryPolicy.CHECKSUM_POLICY_WARN;
 
         ArtifactRepositoryPolicy snapshotsPolicy =
             new ArtifactRepositoryPolicy( true, updatePolicyFlag, checksumPolicyFlag );
 
         ArtifactRepositoryPolicy releasesPolicy =
             new ArtifactRepositoryPolicy( true, updatePolicyFlag, checksumPolicyFlag );
         
         return new MavenArtifactRepository( repositoryId, url, new DefaultRepositoryLayout() , snapshotsPolicy,
                                             releasesPolicy );
     }
 
 
 }