/*
    * Copyright (C) 2003-2008 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.wcm.connector.fckeditor;
  
  import javax.jcr.Node;
  
  import org.exoplatform.container.ExoContainerContext;
  import org.exoplatform.ecm.connector.fckeditor.FCKFileHandler;
  import org.exoplatform.services.jcr.access.AccessControlEntry;
  import org.exoplatform.services.jcr.access.AccessControlList;
  import org.exoplatform.services.jcr.access.PermissionType;
  import org.exoplatform.services.jcr.core.ExtendedNode;
  import org.exoplatform.services.jcr.core.ManageableRepository;
  import org.exoplatform.services.security.IdentityConstants;
  import org.exoplatform.services.wcm.core.NodetypeConstant;
  import org.exoplatform.services.wcm.core.WCMConfigurationService;
  import org.exoplatform.services.wcm.utils.WCMCoreUtils;
  
  /*
   * Created by The eXo Platform SAS Author : Anh Do Ngoc anh.do@exoplatform.com
   * Sep 26, 2008
   */
  /**
   * The Class DocumentLinkHandler.
   */
  public class DocumentLinkHandler extends FCKFileHandler {
  
    /** The base uri. */
    private String baseURI;
  
    /** The current portal. */
    private String currentPortal;
  
    /**
     * Instantiates a new document link handler.
     */
    public DocumentLinkHandler() {
      super(ExoContainerContext.getCurrentContainer());
    }
  
    /**
     * Sets the base uri.
     *
     * @param baseURI the new base uri
     */
    public void setBaseURI(String baseURI) {
      this.baseURI = baseURI;
    }
  
    /* (non-Javadoc)
     * @see org.exoplatform.ecm.connector.fckeditor.FCKFileHandler#getFileURL(javax.jcr.Node)
     */
    public String getFileURL(final Node node) throws Exception {
      String accessMode = "private";
      AccessControlList acl = ((ExtendedNode) node).getACL();
      for (AccessControlEntry entry : acl.getPermissionEntries()) {
        if (entry.getIdentity().equalsIgnoreCase(IdentityConstants.ANY)
            && entry.getPermission().equalsIgnoreCase(PermissionType.READ)) {
          accessMode = "public";
          break;
        }
      }
      String repository = ((ManageableRepository) node.getSession().getRepository()).getConfiguration()
                                                                                    .getName();
      String workspace = node.getSession().getWorkspace().getName();
      String nodePath = node.getPath();
      StringBuilder builder = new StringBuilder();
      if (node.isNodeType(NodetypeConstant.NT_FILE)) {
        if ("public".equals(accessMode)) {
          return builder.append(baseURI)
                        .append("/jcr/")
                        .append(repository)
                        .append("/")
                        .append(workspace)
                        .append(nodePath)
                        .toString();
        }
        return builder.append(baseURI)
                      .append("/private/jcr/")
                      .append(repository)
                      .append("/")
                      .append(workspace)
                      .append(nodePath)
                      .toString();
      }
     WCMConfigurationService configurationService = WCMCoreUtils.getService(WCMConfigurationService.class);
     String parameterizedPageViewerURI = configurationService.
         getRuntimeContextParam(WCMConfigurationService.PARAMETERIZED_PAGE_URI);
     return baseURI.replace("/rest", "") + "/" + accessMode + "/" + currentPortal
         + parameterizedPageViewerURI + "/" + repository + "/" + workspace + nodePath;
   }
 
   /**
    * Sets the current portal.
    *
    * @param currentPortal the new current portal
    */
   public void setCurrentPortal(String currentPortal) {
     this.currentPortal = currentPortal;
   }
 
   /**
    * Gets the current portal.
    *
    * @return the current portal
    */
   public String getCurrentPortal() {
     return this.currentPortal;
   }
 }