/**
    * This file Copyright (c) 2016 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.resourceloader.classpath;
  
  
  import static info.magnolia.resourceloader.classpath.service.impl.base.ClasspathFileConstructionStrategy.*;
  
  import info.magnolia.init.MagnoliaConfigurationProperties;
  import info.magnolia.objectfactory.annotation.LazySingleton;
  import info.magnolia.resourceloader.classpath.service.ClasspathService;
  import info.magnolia.resourceloader.classpath.service.impl.base.ClasspathEntriesResolver;
  import info.magnolia.resourceloader.classpath.service.impl.devmode.DevelopmentModeClasspathService;
  import info.magnolia.resourceloader.classpath.service.impl.production.ProductionModeClasspathService;
  
  import javax.inject.Inject;
  
  import com.google.inject.Provider;
  
  /**
   * Default Guice provider of {@link ClasspathService}.
   *
   * <p>Based on {@code magnolia.develop} system property value
   * it serves either {@link DevelopmentModeClasspathService} or {@link ProductionModeClasspathService}.</p>
   */
  @LazySingleton
  public class ClasspathServiceProvider implements Provider<ClasspathService> {
  
      private final MagnoliaConfigurationProperties magnoliaConfigurationProperties;
      private final DefaultClasspathServiceConfigurations classpathConfigurations;
  
      private ClasspathService classpathService = null;
  
      @Inject
      public ClasspathServiceProvider(MagnoliaConfigurationProperties mcp, DefaultClasspathServiceConfigurations cfg) {
          this.magnoliaConfigurationProperties = mcp;
          this.classpathConfigurations = cfg;
      }
  
      @Override
      public ClasspathService get() {
          if (classpathService == null) {
              boolean devMode = magnoliaConfigurationProperties.getBooleanProperty("magnolia.develop");
              if (devMode) {
                  this.classpathService = new DevelopmentModeClasspathService(classpathConfigurations, new ClasspathEntriesResolver.ReflectionsVfsBased(developmentModeWithVfs()));
              } else {
                  this.classpathService = new ProductionModeClasspathService(classpathConfigurations, new ClasspathEntriesResolver.ReflectionsVfsBased(productionWithVfs()));
              }
          }
          return classpathService;
      }
  }