package org.codehaus.modello.plugin.velocity;
   
   /*
    * 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 java.io.File;
  import java.util.Collections;
  import java.util.List;
  import java.util.Map;
  import java.util.Objects;
  import java.util.Properties;
  import java.util.stream.Collectors;
  
  import org.apache.maven.plugins.annotations.LifecyclePhase;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.codehaus.modello.maven.AbstractModelloGeneratorMojo;
  
  /**
   * Creates an XML schema from the model.
   *
   * @author <a href="mailto:brett@codehaus.org">Brett Porter</a>
   */
  @Mojo( name = "velocity", defaultPhase = LifecyclePhase.GENERATE_SOURCES, threadSafe = true )
  public class ModelloVelocityMojo
          extends AbstractModelloGeneratorMojo
  {
      /**
       * The output directory of the generated XML Schema.
       */
      @Parameter( defaultValue = "${project.build.directory}/generated-sources/modello", required = true )
      private File outputDirectory;
  
      @Parameter
      private List<String> templates;
  
      @Parameter
      private List<String> params;
  
      protected String getGeneratorType()
      {
          return "velocity";
      }
  
      protected void customizeParameters( Properties parameters )
      {
          super.customizeParameters( parameters );
          Map<String, String> params = this.params != null ? this.params.stream().collect( Collectors.toMap(
                  s -> s.substring( 0, s.indexOf( '=' ) ), s -> s.substring( s.indexOf( '=' ) + 1 )
          ) ) : Collections.emptyMap();
          parameters.put( "basedir", Objects.requireNonNull( getBasedir(), "basedir is null" ) );
          parameters.put( VelocityGenerator.VELOCITY_TEMPLATES, String.join( ",", templates ) );
          parameters.put( VelocityGenerator.VELOCITY_PARAMETERS, params );
      }
  
      protected boolean producesCompilableResult()
      {
          return true;
      }
  
      public File getOutputDirectory()
      {
          return outputDirectory;
      }
  
      public void setOutputDirectory( File outputDirectory )
      {
          this.outputDirectory = outputDirectory;
      }
  }