package org.codehaus.modello.maven;
   
   /*
    * Copyright (c) 2004, Codehaus.org
    *
    * Permission is hereby granted, free of charge, to any person obtaining a copy of
    * this software and associated documentation files (the "Software"), to deal in
    * the Software without restriction, including without limitation the rights to
    * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
   * of the Software, and to permit persons to whom the Software is furnished to do
   * so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  import java.io.File;
  import java.util.Optional;
  import java.util.Properties;
  import java.util.function.Supplier;
  import java.util.stream.Stream;
  
  import org.apache.maven.plugins.annotations.Parameter;
  import org.codehaus.modello.ModelloParameterConstants;
  
  /**
   * @author Hervé Boutemy
   */
  public abstract class AbstractModelloSourceGeneratorMojo extends AbstractModelloGeneratorMojo {
      /**
       * The output directory of the generated Java beans.
       */
      @Parameter(defaultValue = "${project.build.directory}/generated-sources/modello", required = true)
      private File outputDirectory;
  
      /**
       * The encoding to use when generating Java source files.
       *
       * @since 1.0-alpha-19
       */
      @Parameter(defaultValue = "${project.build.sourceEncoding}")
      private String encoding;
  
      /**
       * The java source level used for generating outputs classes.
       * <p/>
       * Will be discovered from project properties, in order:
       * <ul>
       *     <li><code>maven.compiler.release</code></li>
       *     <li><code>maven.compiler.source</code></li>
       *     <li><code>maven.compiler.target</code></li>
       * </ul>
       *
       * If all of above properties was not be set, default value as <b>8</b> will be used.
       *
       * @since 1.0
       */
      @Parameter
      private String javaSource;
  
      /**
       * Generate DOM content as plexus-utils <code>Xpp3Dom</code> objects instead of <code>org.w3c.dom.Element</code>.
       * @since 1.6
       */
      @Parameter(defaultValue = "true")
      private boolean domAsXpp3;
  
      @Override
      protected boolean producesCompilableResult() {
          return true;
      }
  
      public File getOutputDirectory() {
          return outputDirectory;
      }
  
      public void setOutputDirectory(File outputDirectory) {
          this.outputDirectory = outputDirectory;
      }
  
      @Override
      protected void customizeParameters(Properties parameters) {
          super.customizeParameters(parameters);
  
          if (encoding != null) {
              parameters.setProperty(ModelloParameterConstants.ENCODING, encoding);
          }
  
          if (javaSource == null) {
              javaSource = discoverJavaSource();
          }
         if (javaSource.startsWith("1.")) {
             javaSource = javaSource.substring("1.".length());
         }
         getLog().debug("javaSource=" + javaSource);
         parameters.setProperty(ModelloParameterConstants.OUTPUT_JAVA_SOURCE, javaSource);
 
         parameters.setProperty(ModelloParameterConstants.DOM_AS_XPP3, Boolean.toString(domAsXpp3));
     }
 
     private String discoverJavaSource() {
         Properties projectProperties = getProject().getProperties();
 
         Supplier<String> release = () -> projectProperties.getProperty("maven.compiler.release");
         Supplier<String> source = () -> projectProperties.getProperty("maven.compiler.source");
         Supplier<String> target = () -> projectProperties.getProperty("maven.compiler.target");
 
         Optional<String> jSource = Stream.of(release, source, target)
                 .map(Supplier::get)
                 .filter(s -> s != null && !s.isEmpty())
                 .findFirst();
 
         if (jSource.isPresent()) {
             return jSource.get();
         } else {
             getLog().warn("javaSource was not discovered - use default value "
                     + ModelloParameterConstants.OUTPUT_JAVA_SOURCE_DEFAULT);
             return ModelloParameterConstants.OUTPUT_JAVA_SOURCE_DEFAULT;
         }
     }
 }