code: /**
   * This file is part of Eclipse Steady.
   *
   * Licensed 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.
   *
   * SPDX-License-Identifier: Apache-2.0
   * SPDX-FileCopyrightText: Copyright (c) 2018-2020 SAP SE or an SAP affiliate company and Eclipse Steady contributors
   */
  package org.eclipse.steady.java.gradle;
  
  import org.eclipse.steady.goals.ReportException;
  import org.eclipse.steady.goals.ReportGoal;
  import org.eclipse.steady.shared.json.model.Application;
  import org.gradle.api.Project;
  import org.gradle.api.tasks.TaskExecutionException;
  
  import static org.eclipse.steady.java.gradle.GradleProjectUtilities.*;
  import static org.eclipse.steady.java.gradle.VulasPluginCommon.*;
  
  import java.util.HashSet;
  import java.util.Set;
  
  public class GradlePluginReport extends AbstractVulasTask {
    @Override
    protected void createGoal() {
      this.goal = new ReportGoal();
    }
  
    @Override
    protected void executeGoal() throws Exception {
  
      final Set<Application> modules = new HashSet<>();
      final Set<Project> subProjects = project.getSubprojects();
  
      // if the plugin applied to an 'aggregator' project, then the project itself
      // is not producing any report
      if (this.projectOutputType != null) {
        modules.add(this.app);
      }
  
      // if the project has subprojects examine them
      if (!subProjects.isEmpty()) {
        getLogger().debug("Adding subprojects if eligible for reporting");
        for (Project sp : subProjects) {
  
          if (!sp.getPlugins().hasPlugin(VulasPlugin.class)) {
            getLogger()
                .debug("Vulas plugin not applied on subproject {} , skipping it.", sp.getName());
            continue;
          }
  
          if (!hasKnownProjectOutputType(sp, getLogger())) {
            getLogger().debug("Output type of subproject {} is unknown, skipping it.", sp.getName());
            continue;
          }
  
          String groupId = getMandatoryProjectProperty(sp, GradleGavProperty.group, getLogger());
          String artifactId = getMandatoryProjectProperty(sp, GradleGavProperty.name, getLogger());
          String version = getMandatoryProjectProperty(sp, GradleGavProperty.version, getLogger());
          Application subProjectMvnId = new Application(groupId, artifactId, version);
          modules.add(subProjectMvnId);
        }
      }
  
      if (!modules.isEmpty()) {
  
        ((ReportGoal) this.goal).setApplicationModules(modules);
  
        try {
          this.goal.executeSync();
        }
        // ReportException will be passed on as MojoFailure, i.e., the goal execution terminates
        // normally
        catch (ReportException re) {
          getLogger().error(re.getLongMessage());
          throw new TaskExecutionException(this, re);
        }
      } else {
        getLogger()
            .quiet(
                "Skipping report generation as neither the project or none of its subprojects are"
                    + " eligible.");
      }
    }
  }
  