001 /*
002 *
003 * $Revision: 13085 $ $Date: 2008-02-06 18:27:24 +0100 (Mi, 06 Feb 2008) $
004 *
005 * This file is part of *** M y C o R e ***
006 * See http://www.mycore.de/ for details.
007 *
008 * This program is free software; you can use it, redistribute it
009 * and / or modify it under the terms of the GNU General Public License
010 * (GPL) as published by the Free Software Foundation; either version 2
011 * of the License or (at your option) any later version.
012 *
013 * This program is distributed in the hope that it will be useful, but
014 * WITHOUT ANY WARRANTY; without even the implied warranty of
015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
016 * GNU General Public License for more details.
017 *
018 * You should have received a copy of the GNU General Public License
019 * along with this program, in a file called gpl.txt or license.txt.
020 * If not, write to the Free Software Foundation Inc.,
021 * 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA
022 */
023
024 package org.mycore.frontend.fileupload;
025
026 import org.apache.log4j.Logger;
027
028 import org.mycore.datamodel.metadata.MCRDerivate;
029 import org.mycore.datamodel.metadata.MCRObjectID;
030 import org.mycore.frontend.workflow.MCRSimpleWorkflowManager;
031
032 /**
033 * handles uploads via the UploadApplet and store files directly into the IFS.
034 *
035 * @author Thomas Scheffler (yagee)
036 * @author Jens Kupferschmidt
037 *
038 * @version $Revision: 13085 $ $Date: 2008-02-06 18:27:24 +0100 (Mi, 06 Feb 2008) $
039 *
040 * @see MCRUploadHandler
041 */
042 public class MCRSWFUploadHandlerIFS extends MCRUploadHandlerIFS {
043 private static final Logger LOGGER = Logger.getLogger(MCRSWFUploadHandlerIFS.class);
044
045 /**
046 * The constructor for this class. It set all data to handle with IFS upload
047 * store.
048 *
049 * @param docId
050 * the document ID
051 * @param derId
052 * the derivate ID
053 * @param url
054 * an URL string. Not used in this implementation.
055 */
056 public MCRSWFUploadHandlerIFS(String docId, String derId, String url) {
057 super(docId, derId, url);
058 init(docId, derId);
059 }
060
061 @Override
062 protected void init(String docId, String derId) {
063 LOGGER.debug("MCRUploadHandlerMyCoRe DocID: " + docId + " DerId: " + derId);
064
065 try {
066 new MCRObjectID(docId);
067 } catch (Exception e) {
068 LOGGER.debug("Error while creating MCRObjectID : " + docId, e);
069 }
070
071 if (derId == null) {
072 derId = MCRSimpleWorkflowManager.instance().getNextDrivateID(new MCRObjectID(docId)).getId();
073 } else {
074 try {
075 new MCRObjectID(derId);
076 } catch (Exception e) {
077 LOGGER.debug("Error while creating MCRObjectID : " + derId, e);
078 }
079 }
080
081 newDerivate = true;
082 if (MCRDerivate.existInDatastore(derId)) {
083 LOGGER.debug("Derivate allready exists: " + derId);
084 newDerivate = false;
085 derivate = new MCRDerivate();
086 derivate.receiveFromDatastore(derId);
087 } else {
088 // create new derivate with given ID
089 LOGGER.debug("Create derivate with ID: " + derId);
090 createNewDerivate(docId, new MCRObjectID(derId));
091 }
092 }
093
094 @Override
095 public void finishUpload() throws Exception {
096 // existing files
097 if (!rootDir.hasChildren()) {
098 derivate.deleteFromDatastore(derivate.getId().getId());
099 LOGGER.warn("No file were uploaded, delete entry in database for " + derivate.getId().getId() + " and return.");
100 return;
101 }
102 super.finishUpload();
103 }
104
105 }