content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library 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
   * Lesser General Public License for more details.
   *
   * For further information about Alkacon Software GmbH & Co. KG, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.repository;
  
  import org.opencms.file.CmsFile;
  import org.opencms.file.CmsPropertyDefinition;
  import org.opencms.file.CmsResource;
  import org.opencms.file.CmsResourceFilter;
  import org.opencms.file.wrapper.CmsObjectWrapper;
  import org.opencms.loader.CmsResourceManager;
  import org.opencms.main.CmsException;
  import org.opencms.main.OpenCms;
  
  /**
   * Represents a single entry in the repository. In the context of OpenCms
   * this means a single {@link CmsResource}.<p>
   *
   * @since 6.5.6
   */
  public class CmsRepositoryItem implements I_CmsRepositoryItem {
  
      /** The actual {@link CmsObjectWrapper}. */
      private CmsObjectWrapper m_cms;
  
      /** The content of the item as a byte array. */
      private byte[] m_content;
  
      /** The MIME type of the item. */
      private String m_mimeType;
  
      /** The {@link CmsResource} the CmsRepositoryItem is for. */
      private CmsResource m_resource;
  
      /**
       * Construct a new CmsRepositoryItem initialized with the {@link CmsResource}
       * to use and the {@link CmsObjectWrapper} needed for some operations.<p>
       *
       * @param res the CmsResource this CmsRepositoryItem is used for
       * @param cms the actual CmsObjectWrapper
       */
      public CmsRepositoryItem(CmsResource res, CmsObjectWrapper cms) {
  
          m_resource = res;
          m_cms = cms;
      }
  
      /**
       * @see org.opencms.repository.I_CmsRepositoryItem#getContent()
       */
      public byte[] getContent() {
  
          if (!m_resource.isFile()) {
              return null;
          }
  
          if (m_content == null) {
              try {
                  String filename = m_cms.getSitePath(m_resource);
  
                  // read and return the file
                  CmsFile file = m_cms.readFile(filename, CmsResourceFilter.IGNORE_EXPIRATION);
  
                  m_content = file.getContents();
              } catch (CmsException ex) {
                  // noop
              }
          }
  
          return m_content;
      }
  
      /**
       * @see org.opencms.repository.I_CmsRepositoryItem#getContentLength()
       */
      public long getContentLength() {
  
          return m_resource.getLength();
      }
  
      /**
       * @see org.opencms.repository.I_CmsRepositoryItem#getCreationDate()
       */
      public long getCreationDate() {
  
          return m_resource.getDateCreated();
      }
  
      /**
       * @see org.opencms.repository.I_CmsRepositoryItem#getLastModifiedDate()
       */
      public long getLastModifiedDate() {
  
          return m_resource.getDateLastModified();
      }
  
      /**
       * @see org.opencms.repository.I_CmsRepositoryItem#getMimeType()
       */
      public String getMimeType() {
  
          if (!m_resource.isFile()) {
              return null;
          }
  
          if (m_mimeType == null) {
              try {
                  String encoding = m_cms.readPropertyObject(
                      m_resource,
                      CmsPropertyDefinition.PROPERTY_CONTENT_ENCODING,
                      true).getValue(OpenCms.getSystemInfo().getDefaultEncoding());
  
                  m_mimeType = OpenCms.getResourceManager().getMimeType(
                      m_resource.getRootPath(),
                      encoding,
                      CmsResourceManager.MIMETYPE_TEXT);
  
              } catch (CmsException ex) {
                  // noop
              }
          }
  
          return m_mimeType;
      }
  
      /**
       * @see org.opencms.repository.I_CmsRepositoryItem#getName()
       */
      public String getName() {
  
          return m_cms.getRequestContext().removeSiteRoot(m_resource.getRootPath());
      }
  
      /**
       * @see org.opencms.repository.I_CmsRepositoryItem#isCollection()
       */
      public boolean isCollection() {
  
          return m_resource.isFolder();
      }
  
  }
  