/**
    * This file Copyright (c) 2003-2015 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.module.delta;
  
  import info.magnolia.cms.util.ClasspathResourcesUtil;
  import info.magnolia.importexport.BootstrapUtil;
  import info.magnolia.module.InstallContext;
  
  import java.io.IOException;
  
  import javax.jcr.ImportUUIDBehavior;
  import javax.jcr.RepositoryException;
  
  /**
   * Base class for tasks which bootstrap resources.
   */
  public abstract class BootstrapResourcesTask extends AbstractTask {
      private final int importUUIDBehavior;
  
      public BootstrapResourcesTask() {
          this("Bootstrap module resources", "Bootstraps module resources", ImportUUIDBehavior.IMPORT_UUID_COLLISION_THROW);
      }
  
      public BootstrapResourcesTask(int importUUIDBehavior) {
          this("Bootstrap module resources", "Bootstraps module resources", importUUIDBehavior);
      }
  
      public BootstrapResourcesTask(String name, String description) {
          this(name, description, ImportUUIDBehavior.IMPORT_UUID_COLLISION_THROW);
      }
  
      public BootstrapResourcesTask(String name, String description, int importUUIDBehavior) {
          super(name, description);
          this.importUUIDBehavior = importUUIDBehavior;
      }
  
      // TODO : check if nodes were already there
      @Override
      public void execute(final InstallContext installContext) throws TaskExecutionException {
          try {
              final String[] resourcesToBootstrap = getResourcesToBootstrap(installContext);
              BootstrapUtil.bootstrap(resourcesToBootstrap, importUUIDBehavior);
          } catch (IOException e) {
              throw new TaskExecutionException("Could not bootstrap: " + e.getMessage(), e);
          } catch (RepositoryException e) {
              throw new TaskExecutionException("Could not bootstrap: " + e.getMessage(), e);
          }
      }
  
      /**
       * Override this method to bootstrap specific resource files.
       */
      protected String[] getResourcesToBootstrap(final InstallContext installContext) {
          String[] resourcesToBootstrap = ClasspathResourcesUtil.findResources(new ClasspathResourcesUtil.Filter() {
              @Override
              public boolean accept(final String name) {
                  return acceptResource(installContext, name);
              }
          });
          return resourcesToBootstrap;
  
      }
  
      /**
       * Override this method to filter resources to bootstrap.
       */
      protected boolean acceptResource(final InstallContext installContext, final String resourceName) {
          return false;
     }
 }