/*
* 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.file.CmsObject;
import org.opencms.report.I_CmsReport;
import org.opencms.xml.CmsXmlException;
import java.io.File;
import java.util.zip.ZipFile;
import org.dom4j.Document;
/**
* This interface describes a import class which is used to import resources into the VFS.<p>
*
* OpenCms supports different import versions, for each version a own import class must be implemented.<p>
*
* @since 6.0.0
*/
public interface I_CmsImport {
/**
* Returns the version of the import implementation.<p>
*
* <ul>
* <li>0 indicates an export file without a version number, that is before version 4.3.23 of OpenCms</li>
* <li>1 indicates an export file of OpenCms with a version before 5.0.0</li>
* <li>2 indicates an export file of OpenCms with a version before 5.1.2</li>
* <li>3 indicates an export file of OpenCms with a version before 5.1.6</li>
* <li>4 indicates an export file of OpenCms with a version before 6.3.0</li>
* <li>5 indicates an export file of OpenCms with a version before 6.5.6</li>
* <li>6 indicates an export file of OpenCms with a version before 7.0.4</li>
* <li>7 indicates an export file of OpenCms with a version after 7.0.3</li>
* </ul>
*
* @return the version of the import implementation
*/
int getVersion();
/**
* Imports the data.<p>
*
* @param cms the current users OpenCms context
* @param report a report object to output the progress information to
* @param parameters the parameters to use during the import
*
* @throws CmsImportExportException if something goes wrong
* @throws CmsXmlException if the manifest file could not be unmarshalled
*/
void importData(CmsObject cms, I_CmsReport report, CmsImportParameters parameters)
throws CmsImportExportException, CmsXmlException;
/**
* Imports the resources.<p>
*
* @param cms the current users OpenCms context
* @param importPath the path in the OpenCms VFS to import into
* @param report a report object to output the progress information to
* @param importResource the import-resource (folder) to load resources from
* @param importZip the import-resource (zip) to load resources from
* @param docXml the <code>manifest.xml</code> file which contains the meta information of the imported files
*
* @throws CmsImportExportException if something goes wrong
*
* @deprecated use {@link #importData(CmsObject, I_CmsReport, CmsImportParameters)} instead
*/
void importResources(
CmsObject cms,
String importPath,
I_CmsReport report,
File importResource,
ZipFile importZip,
Document docXml) throws CmsImportExportException;
/**
* Checks if the file given as parameter matches this import version implementation.<p>
*
* @param parameters the parameters to use during matching
*
* @return <code>true</code> if the file can be imported by this import version implementation
*
* @throws CmsImportExportException if something goes wrong
*/
boolean matches(CmsImportParameters parameters) throws CmsImportExportException;
}