/*
    * Copyright (C) 2003-2010 eXo Platform SAS.
    *
    * This program is free software; you can redistribute it and/or
    * modify it under the terms of the GNU Affero General Public License
    * as published by the Free Software Foundation; either version 3
    * of the License, or (at your option) any later version.
    *
    * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, see<http://www.gnu.org/licenses/>.
   */
  package org.exoplatform.wiki.mow.core.api.wiki;
  
  import java.util.Collection;
  import java.util.Map;
  
  import org.chromattic.api.annotations.OneToMany;
  import org.chromattic.api.annotations.Path;
  import org.chromattic.api.annotations.PrimaryType;
  
  @PrimaryType(name = WikiNodeType.WIKI_TRASH)
  public abstract class Trash {
  
    @Path
    public abstract String getPath();
    
    /*@OneToMany
    public abstract Collection<PageImpl> getChildPages();
    
    public void addRemovedWikiPage(PageImpl wikiPage) throws DuplicateNameException {
      getChildPages().add(wikiPage);
    }*/
    
    @OneToMany
    public abstract Map<String, PageImpl> getChildren();
  
    public Collection<PageImpl> getChildPages() {
      return getChildren().values();
    }
    
    public boolean isHasPage(String name) {
      return getChildren().containsKey(name) ;
    }
     
    public void addRemovedWikiPage(PageImpl page) {
      if (page == null) {
        throw new NullPointerException();
      }
      addChild(page.getName(), page);
    }
  
    public void addChild(String pageName, PageImpl page) {
      if (pageName == null) {
        throw new NullPointerException();
      }
      if (page == null) {
        throw new NullPointerException();
      }
      Map<String, PageImpl> children = getChildren();
      if (children.containsKey(pageName)) {
        throw new IllegalStateException();
      }
      children.put(pageName, page);
    }
    
    public PageImpl getPage(String pageName) {
      if (pageName == null) {
        throw new NullPointerException();
      }
      Map<String, PageImpl> children = getChildren();
      return children.get(pageName);
    }
    
  }