Export folder to server as zip
From OpenKM Documentation
The script export all contents of OpenKM folder, compressed as zip file, into OpenKM server
import java.io.File;
import java.io.FileOutputStream;
import java.io.StringWriter;
import com.openkm.util.FileUtils;
import com.openkm.util.impexp.RepositoryExporter;
import com.openkm.util.impexp.TextInfoDecorator;
// Destination
File file = new File("/home/openkm/import/folderExport.zip");
// OpenKM folder contents to be exported
String fldPath = "/okm:root/Permisos de circulación/import";
FileOutputStream os = new FileOutputStream(file);
StringWriter out = new StringWriter();
File tmp = FileUtils.createTempDir();
RepositoryExporter.exportDocuments(null, fldPath, tmp, false, false, out, new TextInfoDecorator(fldPath));
ArchiveUtils.createZip(tmp, "import", os);
org.apache.commons.io.FileUtils.deleteDirectory(tmp);
IOUtils.closeQuietly(out);
os.flush();
os.close();