ch.systemsx.cisd.openbis.generic.server.dataaccess.db.DatabaseAndIndexReplacer.java Source code

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Here is the source code for ch.systemsx.cisd.openbis.generic.server.dataaccess.db.DatabaseAndIndexReplacer.java

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/*
 * Copyright 2009 ETH Zuerich, CISD
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package ch.systemsx.cisd.openbis.generic.server.dataaccess.db;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.apache.log4j.Logger;

import ch.systemsx.cisd.common.filesystem.FileUtilities;
import ch.systemsx.cisd.common.logging.LogCategory;
import ch.systemsx.cisd.common.logging.LogFactory;
import ch.systemsx.cisd.common.logging.LogInitializer;

/**
 * Helper application which replaces a database and its Lucene index by another existing database and
 * its index.
 *
 * @author    Franz-Josef Elmer
 */
public class DatabaseAndIndexReplacer {
    private static final Logger operationLog = LogFactory.getLogger(LogCategory.OPERATION,
            DatabaseAndIndexReplacer.class);

    public static void main(String[] args) {
        if (args.length != 4) {
            System.out.println("Usage: java " + DatabaseAndIndexReplacer.class.getName()
                    + " <destination database kind> <destination index folder> "
                    + "<source database kind> <source index folder>");
            System.exit(1);
        }
        LogInitializer.init();
        String destinationDatabase = IndexCreationUtil.DATABASE_NAME_PREFIX + args[0];
        File destinationFolder = new File(args[1]);
        String sourceDatabase = IndexCreationUtil.DATABASE_NAME_PREFIX + args[2];
        File sourceFolder = new File(args[3]);

        boolean ok = IndexCreationUtil.duplicateDatabase(destinationDatabase, sourceDatabase);
        if (ok == false) {
            System.exit(1);
        }
        FileUtilities.deleteRecursively(destinationFolder);
        try {
            FileUtils.copyDirectory(sourceFolder, destinationFolder, true);
            operationLog
                    .info("Index successfully copies from '" + sourceFolder + "' to '" + destinationFolder + "'.");
        } catch (IOException ex) {
            operationLog.error("Couldn't copy '" + sourceFolder + "' to '" + destinationFolder + "'.", ex);
        }

    }

}