/*
    * 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.plugin.jxr;
  
  import java.io.File;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  import java.util.Locale;
  
  import org.apache.maven.plugins.annotations.Execute;
  import org.apache.maven.plugins.annotations.LifecyclePhase;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.project.MavenProject;
  
  /**
   * Creates an HTML-based, cross referenced version of Java source code
   * for a project.
   *
   * @author <a href="mailto:bellingard.NO-SPAM@gmail.com">Fabrice Bellingard</a>
   */
  @Mojo(name = "jxr")
  @Execute(phase = LifecyclePhase.GENERATE_SOURCES)
  public class JxrReport extends AbstractJxrReport {
      /**
       * Source directories of the project.
       */
      @Parameter(defaultValue = "${project.compileSourceRoots}", required = true, readonly = true)
      private List<String> sourceDirs;
  
      /**
       * Specifies the source path where the java files are located.
       * The paths are separated by '{@code ;}'.
       */
      @Parameter
      private String sourcePath;
  
      /**
       * Directory where Javadoc is generated for this project.
       * <br>
       * <strong>Default</strong>: {@link #getReportOutputDirectory()} + {@code /apidocs}
       */
      @Parameter
      private File javadocLocation;
  
      @Override
      protected File getPluginReportOutputDirectory() {
          return new File(getReportOutputDirectory(), "xref");
      }
  
      @Override
      protected List<String> getSourceRoots() {
          if (sourcePath != null) {
              String[] sourcePathArray = sourcePath.split(";");
              if (sourcePathArray.length > 0) {
                  return Arrays.asList(sourcePathArray);
              }
          }
  
          List<String> l = new ArrayList<>();
  
          if (!"pom".equals(getProject().getPackaging().toLowerCase(Locale.ENGLISH))) {
              l.addAll(sourceDirs);
          }
  
          if (getProject().getExecutionProject() != null) {
              if (!"pom".equals(getProject().getExecutionProject().getPackaging().toLowerCase(Locale.ENGLISH))) {
                  l.addAll(getProject().getExecutionProject().getCompileSourceRoots());
              }
          }
  
          return l;
      }
  
      @Override
      protected List<String> getSourceRoots(MavenProject project) {
          List<String> l = new ArrayList<>();
  
          if (!"pom".equals(project.getPackaging().toLowerCase(Locale.ENGLISH))) {
              l.addAll(project.getCompileSourceRoots());
          }
  
         if (project.getExecutionProject() != null) {
             if (!"pom".equals(project.getExecutionProject().getPackaging().toLowerCase(Locale.ENGLISH))) {
                 l.addAll(project.getExecutionProject().getCompileSourceRoots());
             }
         }
 
         return l;
     }
 
     @Override
     public String getDescription(Locale locale) {
         return getBundle(locale).getString("report.xref.main.description");
     }
 
     @Override
     public String getName(Locale locale) {
         return getBundle(locale).getString("report.xref.main.name");
     }
 
     @Override
     public String getOutputName() {
         return "xref/index";
     }
 
     @Override
     protected File getJavadocLocation() {
         return javadocLocation != null ? javadocLocation : new File(getReportOutputDirectory(), "apidocs");
     }
 }