/**
    * This file Copyright (c) 2003-2010 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;
  
  import info.magnolia.cms.beans.config.ObservedManager;
  import info.magnolia.cms.core.Content;
  import info.magnolia.cms.util.ContentUtil;
  import info.magnolia.module.model.ModuleDefinition;
  
  import java.util.Collection;
  import java.util.LinkedHashMap;
  import java.util.Map;
  
  /**
   *
   * @author gjoseph
   * @version $Revision: $ ($Author: $)
   */
  public class ModuleLifecycleContextImpl implements ModuleLifecycleContext {
      /**
       * A Map<String,ObservedManager%gt;, mapping nodenames to components
       */
      private final Map<String, ObservedManager> components;
  
      private int phase;
  
      private ModuleDefinition currentModuleDefinition;
  
      ModuleLifecycleContextImpl() {
          components = new LinkedHashMap<String, ObservedManager>();
      }
  
      public void registerModuleObservingComponent(String nodeName, ObservedManager component) {
          if (components.containsKey(nodeName)) {
              final Object currentObservedManager = components.get(nodeName);
              throw new IllegalStateException("ObservedManager " + currentObservedManager + " was already registered for nodes of name " + nodeName + ", " + component + " can't be registered.");
          } else {
              components.put(nodeName, component);
          }
      }
  
      /**
       * @param moduleNodes a Collection&lt;Content&gt; of module nodes.
       */
      public void start(Collection<Content> moduleNodes) {
          for (String nodeName : components.keySet()) {
              final ObservedManager component = components.get(nodeName);
              for (Content moduleNode : moduleNodes) {
                  initEntry(moduleNode, nodeName, component);
              }
          }
      }
  
      private void initEntry(Content moduleNode, String nodeName, ObservedManager observedManager) {
          final Content node = ContentUtil.getCaseInsensitive(moduleNode, nodeName);
          if (node != null) {
              observedManager.register(node);
          }
      }
  
      public ModuleDefinition getCurrentModuleDefinition() {
          return this.currentModuleDefinition;
      }
  
      public void setCurrentModuleDefinition(ModuleDefinition currentModuleDefinition) {
          this.currentModuleDefinition = currentModuleDefinition;
      }
  
 
     public int getPhase() {
         return this.phase;
     }
 
 
     public void setPhase(int phase) {
         this.phase = phase;
     }
 }