de.ingrid.codelistHandler.migrate.Migrator.java Source code

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Here is the source code for de.ingrid.codelistHandler.migrate.Migrator.java

Source

/*-
 * **************************************************-
 * InGrid CodeList Repository
 * ==================================================
 * Copyright (C) 2014 - 2019 wemove digital solutions GmbH
 * ==================================================
 * Licensed under the EUPL, Version 1.1 or  as soon they will be
 * approved by the European Commission - subsequent versions of the
 * EUPL (the "Licence");
 * 
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * 
 * http://ec.europa.eu/idabc/eupl5
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 * **************************************************#
 */
package de.ingrid.codelistHandler.migrate;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.thoughtworks.xstream.XStream;

import de.ingrid.codelists.CodeListService;
import de.ingrid.codelists.model.CodeList;

@Service
public class Migrator {

    private static Log log = LogFactory.getLog(Migrator.class);

    @Autowired
    private CodeListService codeListService;

    @SuppressWarnings("unchecked")
    public void run() {
        // since v4.4.0 we separated the codelists so that we need to read the codelist.xml file and store it
        // in separate files under a new directory
        File oldCodelistsFile = new File("data/codelists.xml");
        if (oldCodelistsFile.exists() && oldCodelistsFile.isFile()) {
            FileReader codelistReader;
            try {
                codelistReader = new FileReader(oldCodelistsFile);
                XStream xStream = new XStream();
                List<CodeList> oldCodelists = (List<CodeList>) xStream.fromXML(codelistReader);
                codeListService.persistToAll(oldCodelists);
                codelistReader.close();

                log.info("Successfully migrated old codelists");

                boolean deleteSuccess = oldCodelistsFile.delete();
                if (!deleteSuccess) {
                    log.warn("Couldn't delete file: " + oldCodelistsFile.getName());
                }

            } catch (FileNotFoundException e) {
                log.error("Could not migrate old codelists", e);
            } catch (IOException e) {
                log.error("Problem during migration of old codelists.", e);
            }
        }
    }
}