gt:                 if (timestamp != null) {
context: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH (http://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, please see the
   * company website: http://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: http://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.importexport;
  
  import org.opencms.configuration.CmsParameterConfiguration;
  import org.opencms.file.CmsFile;
  import org.opencms.file.CmsObject;
  import org.opencms.file.CmsResource;
  import org.opencms.file.types.CmsResourceTypePlain;
  import org.opencms.file.types.I_CmsResourceType;
  import org.opencms.i18n.CmsMessageContainer;
  import org.opencms.loader.CmsLoaderException;
  import org.opencms.main.CmsException;
  import org.opencms.main.CmsLog;
  import org.opencms.main.OpenCms;
  import org.opencms.relations.I_CmsLinkParseable;
  import org.opencms.report.I_CmsReport;
  import org.opencms.security.CmsRole;
  import org.opencms.security.I_CmsPasswordHandler;
  import org.opencms.security.I_CmsPrincipal;
  import org.opencms.util.CmsDateUtil;
  import org.opencms.util.CmsUUID;
  import org.opencms.xml.CmsXmlException;
  import org.opencms.xml.CmsXmlUtils;
  
  import java.io.File;
  import java.io.IOException;
  import java.text.ParseException;
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  import java.util.zip.ZipFile;
  
  import org.apache.commons.logging.Log;
  
  import org.dom4j.Document;
  import org.dom4j.Element;
  
  /**
   * Implementation of the OpenCms Import Interface ({@link org.opencms.importexport.I_CmsImport}) for 
   * the import version 4.<p>
   * 
   * This import format is used in OpenCms since 5.1.6.<p>
   * 
   * @since 6.0.0 
   * 
   * @see org.opencms.importexport.A_CmsImport
   * 
   * @deprecated this import class is no longer in use and should only be used to import old export files
   */
  public class CmsImportVersion4 extends A_CmsImport {
  
      /** The version number of this import implementation.<p> */
      private static final int IMPORT_VERSION = 4;
  
      /** The log object for this class. */
      private static final Log LOG = CmsLog.getLog(CmsImportVersion4.class);
  
      /** Stores all resource of type that implements the {@link I_CmsLinkParseable} interface. */
      private List m_parseables;
  
      /**
       * Creates a new CmsImportVerion4 object.<p>
       */
      public CmsImportVersion4() {
  
          m_convertToXmlPage = true;
      }
  
      /**
       * @see org.opencms.importexport.I_CmsImport#getVersion()
       * @return the version number of this import implementation
       */
      public int getVersion() {
  
          return CmsImportVersion4.IMPORT_VERSION;
      }
  
      /**
       * @see org.opencms.importexport.I_CmsImport#importResources(org.opencms.file.CmsObject, java.lang.String, org.opencms.report.I_CmsReport, java.io.File, java.util.zip.ZipFile, org.dom4j.Document)
       * 
       * @deprecated use {@link #importData(CmsObject, I_CmsReport, CmsImportParameters)} instead
       */
      public void importResources(
          CmsObject cms,
          String importPath,
          I_CmsReport report,
          File importResource,
          ZipFile importZip,
          Document docXml) throws CmsImportExportException {
  
          CmsImportParameters params = new CmsImportParameters(importResource != null
          ? importResource.getAbsolutePath()
          : importZip.getName(), importPath, true);
  
          try {
              importData(cms, report, params);
          } catch (CmsXmlException e) {
              throw new CmsImportExportException(e.getMessageContainer(), e);
          }
      }
  
      /**
       * @see org.opencms.importexport.I_CmsImport#importData(CmsObject, I_CmsReport, CmsImportParameters)
       */
      public void importData(CmsObject cms, I_CmsReport report, CmsImportParameters params)
      throws CmsImportExportException, CmsXmlException {
  
          // initialize the import
          initialize();
          m_cms = cms;
          m_importPath = params.getDestinationPath();
          m_report = report;
  
          m_linkStorage = new HashMap();
          m_linkPropertyStorage = new HashMap();
          m_parseables = new ArrayList();
  
          CmsImportHelper helper = new CmsImportHelper(params);
          try {
              helper.openFile();
              m_importResource = helper.getFolder();
              m_importZip = helper.getZipFile();
              m_docXml = CmsXmlUtils.unmarshalHelper(helper.getFileBytes(CmsImportExportManager.EXPORT_MANIFEST), null);
              // first import the user information
              if (OpenCms.getRoleManager().hasRole(m_cms, CmsRole.ACCOUNT_MANAGER)) {
                  importGroups();
                  importUsers();
              }
              // now import the VFS resources
              readResourcesFromManifest();
              convertPointerToSiblings();
              rewriteParseables();
          } catch (IOException ioe) {
              CmsMessageContainer msg = Messages.get().container(
                  Messages.ERR_IMPORTEXPORT_ERROR_READING_FILE_1,
                  CmsImportExportManager.EXPORT_MANIFEST);
              if (LOG.isErrorEnabled()) {
                  LOG.error(msg.key(), ioe);
              }
              throw new CmsImportExportException(msg, ioe);
          } finally {
              helper.closeFile();
              cleanUp();
          }
      }
  
      /**
       * @see org.opencms.importexport.A_CmsImport#importUser(String, String, String, String, String, String, long, Map, List)
       */
      @Override
      protected void importUser(
          String name,
          String flags,
          String password,
          String firstname,
          String lastname,
          String email,
          long dateCreated,
          Map userInfo,
          List userGroups) throws CmsImportExportException {
  
          boolean convert = false;
  
          CmsParameterConfiguration config = OpenCms.getPasswordHandler().getConfiguration();
          if ((config != null) && config.containsKey(I_CmsPasswordHandler.CONVERT_DIGEST_ENCODING)) {
              convert = config.getBoolean(I_CmsPasswordHandler.CONVERT_DIGEST_ENCODING, false);
          }
  
          if (convert) {
              password = convertDigestEncoding(password);
          }
  
          super.importUser(name, flags, password, firstname, lastname, email, dateCreated, userInfo, userGroups);
      }
  
      /**
       * Rewrites all parseable files, to assure link check.<p>
       */
      protected void rewriteParseables() {
  
          if (m_parseables.isEmpty()) {
              return;
          }
  
          m_report.println(Messages.get().container(Messages.RPT_START_PARSE_LINKS_0), I_CmsReport.FORMAT_HEADLINE);
  
          int i = 0;
          Iterator it = m_parseables.iterator();
          while (it.hasNext()) {
              CmsResource res = (CmsResource)it.next();
  
              m_report.print(
                  org.opencms.report.Messages.get().container(
                      org.opencms.report.Messages.RPT_SUCCESSION_2,
                      String.valueOf(i + 1),
                      String.valueOf(m_parseables.size())),
                  I_CmsReport.FORMAT_NOTE);
  
              m_report.print(
                  Messages.get().container(Messages.RPT_PARSE_LINKS_FOR_1, m_cms.getSitePath(res)),
                  I_CmsReport.FORMAT_NOTE);
              m_report.print(org.opencms.report.Messages.get().container(org.opencms.report.Messages.RPT_DOTS_0));
  
              try {
                  // make sure the date last modified is kept...
                  CmsFile file = m_cms.readFile(res);
                  file.setDateLastModified(res.getDateLastModified());
                  m_cms.writeFile(file);
  
                  m_report.println(
                      org.opencms.report.Messages.get().container(org.opencms.report.Messages.RPT_OK_0),
                      I_CmsReport.FORMAT_OK);
              } catch (Throwable e) {
                  m_report.addWarning(e);
                  m_report.println(
                      org.opencms.report.Messages.get().container(org.opencms.report.Messages.RPT_FAILED_0),
                      I_CmsReport.FORMAT_ERROR);
                  if (LOG.isWarnEnabled()) {
                      LOG.warn(Messages.get().getBundle().key(Messages.LOG_IMPORTEXPORT_REWRITING_1, res.getRootPath()));
                  }
                  if (LOG.isDebugEnabled()) {
                      LOG.debug(e.getLocalizedMessage(), e);
                  }
              }
              i++;
          }
  
          m_report.println(Messages.get().container(Messages.RPT_END_PARSE_LINKS_0), I_CmsReport.FORMAT_HEADLINE);
      }
  
      /**
       * Convert a given timestamp from a String format to a long value.<p>
       * 
       * The timestamp is either the string representation of a long value (old export format)
       * or a user-readable string format.
       * 
       * @param timestamp timestamp to convert
       * @return long value of the timestamp
       */
      private long convertTimestamp(String timestamp) {
  
          long value = 0;
          // try to parse the timestamp string
          // if it successes, its an old style long value
          try {
              value = Long.parseLong(timestamp);
  
          } catch (NumberFormatException e) {
              // the timestamp was in in a user-readable string format, create the long value form it
              try {
                  value = CmsDateUtil.parseHeaderDate(timestamp);
              } catch (ParseException pe) {
                  value = System.currentTimeMillis();
              }
          }
          return value;
      }
  
      /**
       * Imports a resource (file or folder) into the cms.<p>
       * 
       * @param source the path to the source-file
       * @param destination the path to the destination-file in the cms
       * @param type the resource type name of the file
       * @param uuidresource  the resource uuid of the resource
       * @param datelastmodified the last modification date of the resource
       * @param userlastmodified the user who made the last modifications to the resource
       * @param datecreated the creation date of the resource
       * @param usercreated the user who created 
       * @param datereleased the release date of the resource
       * @param dateexpired the expire date of the resource
       * @param flags the flags of the resource     
       * @param properties a list with properties for this resource
       * 
       * @return imported resource
       */
      private CmsResource importResource(
          String source,
          String destination,
          I_CmsResourceType type,
          String uuidresource,
          long datelastmodified,
          String userlastmodified,
          long datecreated,
          String usercreated,
          long datereleased,
          long dateexpired,
          String flags,
          List properties) {
  
          byte[] content = null;
          CmsResource result = null;
  
          try {
  
              // get the file content
              if (source != null) {
                  content = getFileBytes(source);
              }
              int size = 0;
              if (content != null) {
                  size = content.length;
              }
  
              // get UUIDs for the user   
              CmsUUID newUserlastmodified;
              CmsUUID newUsercreated;
              // check if user created and user lastmodified are valid users in this system.
              // if not, use the current user
              try {
                  newUserlastmodified = m_cms.readUser(userlastmodified).getId();
              } catch (CmsException e) {
                  newUserlastmodified = m_cms.getRequestContext().getCurrentUser().getId();
                  // datelastmodified = System.currentTimeMillis();
              }
  
              try {
                  newUsercreated = m_cms.readUser(usercreated).getId();
              } catch (CmsException e) {
                  newUsercreated = m_cms.getRequestContext().getCurrentUser().getId();
                  // datecreated = System.currentTimeMillis();
              }
  
              // get UUIDs for the resource and content        
              CmsUUID newUuidresource = null;
              if ((uuidresource != null) && (!type.isFolder())) {
                  // create a UUID from the provided string
                  newUuidresource = new CmsUUID(uuidresource);
              } else {
                  // folders get always a new resource record UUID
                  newUuidresource = new CmsUUID();
              }
  
              // create a new CmsResource                         
              CmsResource resource = new CmsResource(new CmsUUID(), // structure ID is always a new UUID
                  newUuidresource,
                  destination,
                  type.getTypeId(),
                  type.isFolder(),
                  new Integer(flags).intValue(),
                  m_cms.getRequestContext().getCurrentProject().getUuid(),
                  CmsResource.STATE_NEW,
                  datecreated,
                  newUsercreated,
                  datelastmodified,
                  newUserlastmodified,
                  datereleased,
                  dateexpired,
                  1,
                  size,
                  System.currentTimeMillis(),
                  0);
  
              // import this resource in the VFS
              result = m_cms.importResource(destination, resource, content, properties);
  
              if (result != null) {
                  m_report.println(
                      org.opencms.report.Messages.get().container(org.opencms.report.Messages.RPT_OK_0),
                      I_CmsReport.FORMAT_OK);
              }
          } catch (Exception exc) {
              // an error while importing the file
              m_report.println(exc);
              try {
                  // Sleep some time after an error so that the report output has a chance to keep up
                  Thread.sleep(1000);
              } catch (Exception e) {
                  // 
              }
          }
          return result;
      }
  
      /**
       * Reads all file nodes plus their meta-information (properties, ACL) 
       * from the <code>manifest.xml</code> and imports them as Cms resources to the VFS.<p>
       * 
       * @throws CmsImportExportException if something goes wrong
       */
      private void readResourcesFromManifest() throws CmsImportExportException {
  
          String source = null, destination = null, uuidresource = null, userlastmodified = null, usercreated = null, flags = null, timestamp = null;
          long datelastmodified = 0, datecreated = 0, datereleased = 0, dateexpired = 0;
  
          List fileNodes = null, acentryNodes = null;
          Element currentElement = null, currentEntry = null;
          List properties = null;
  
          // get list of immutable resources
          List immutableResources = OpenCms.getImportExportManager().getImmutableResources();
          if (immutableResources == null) {
              immutableResources = Collections.EMPTY_LIST;
          }
          if (LOG.isDebugEnabled()) {
              LOG.debug(Messages.get().getBundle().key(
                  Messages.LOG_IMPORTEXPORT_IMMUTABLE_RESOURCES_SIZE_1,
                  Integer.toString(immutableResources.size())));
          }
          // get list of ignored properties
          List ignoredProperties = OpenCms.getImportExportManager().getIgnoredProperties();
          if (ignoredProperties == null) {
              ignoredProperties = Collections.EMPTY_LIST;
          }
  
          // get the desired page type for imported pages
          m_convertToXmlPage = OpenCms.getImportExportManager().convertToXmlPage();
  
          try {
              // get all file-nodes
              fileNodes = m_docXml.selectNodes("//" + A_CmsImport.N_FILE);
              int importSize = fileNodes.size();
  
              // walk through all files in manifest
              for (int i = 0; i < fileNodes.size(); i++) {
                  m_report.print(
                      org.opencms.report.Messages.get().container(
                          org.opencms.report.Messages.RPT_SUCCESSION_2,
                          String.valueOf(i + 1),
                          String.valueOf(importSize)),
                      I_CmsReport.FORMAT_NOTE);
                  currentElement = (Element)fileNodes.get(i);
  
                  // <source>
                  source = getChildElementTextValue(currentElement, A_CmsImport.N_SOURCE);
                  // <destination>
  
                  destination = getChildElementTextValue(currentElement, A_CmsImport.N_DESTINATION);
  
                  // <type>
                  String typeName = getChildElementTextValue(currentElement, A_CmsImport.N_TYPE);
                  I_CmsResourceType type;
                  try {
                      type = OpenCms.getResourceManager().getResourceType(typeName);
                  } catch (CmsLoaderException e) {
                      // unknown resource type, import resource as type "plain"
                      type = OpenCms.getResourceManager().getResourceType(CmsResourceTypePlain.getStaticTypeName());
                  }
  
                  if (!type.isFolder()) {
                      // <uuidresource>
                      uuidresource = getChildElementTextValue(currentElement, A_CmsImport.N_UUIDRESOURCE);
                  } else {
                      uuidresource = null;
                  }
  
                  // <datelastmodified>
                  timestamp = getChildElementTextValue(currentElement, A_CmsImport.N_DATELASTMODIFIED);
  