/**
    * This file Copyright (c) 2008-2015 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.cache.executor;
  
  import info.magnolia.module.cache.Cache;
  import info.magnolia.module.cache.CacheConfiguration;
  import info.magnolia.module.cache.CachePolicyExecutor;
  import info.magnolia.module.cache.CachePolicyResult;
  import info.magnolia.module.cache.ContentCachingConfiguration;
  
  import java.io.IOException;
  
  import javax.servlet.FilterChain;
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.commons.lang3.ArrayUtils;
  
  /**
   * A list of executors (for combining and ordering them).
   *
   * @author pbracher
   * @version $Revision$ ($Author$)
   */
  public class CompositeExecutor implements CachePolicyExecutor {
  
      private CachePolicyExecutor[] executors = new CachePolicyExecutor[0];
  
      @Override
      public void processCacheRequest(HttpServletRequest request,
              HttpServletResponse response, FilterChain chain, Cache cache,
              CachePolicyResult cachePolicy) throws IOException, ServletException {
          for (int i = 0; i < executors.length; i++) {
              CachePolicyExecutor executor = executors[i];
              executor.processCacheRequest(request, response, chain, cache, cachePolicy);
          }
      }
  
      public CachePolicyExecutor[] getExecutors() {
          return executors;
      }
  
      public void setExecutors(CachePolicyExecutor[] executor) {
          this.executors = executor;
      }
  
      public void addExecutor(CachePolicyExecutor executor){
          this.executors = (CachePolicyExecutor[]) ArrayUtils.add(this.executors, executor);
      }
  
      @Override
      @Deprecated
      public void setCacheConfiguration(CacheConfiguration cacheConfiguration) {
          setContentCachingConfiguration(cacheConfiguration);
      }
  
      @Override
      public void setContentCachingConfiguration(ContentCachingConfiguration contentCachingConfiguration) {
          for (int i = 0; i < executors.length; i++) {
              CachePolicyExecutor executor = executors[i];
              executor.setContentCachingConfiguration(contentCachingConfiguration);
          }
      }
  
  }