/**
* DataCleaner (community edition)
* Copyright (C) 2014 Neopost - Customer Information Management
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.datacleaner.job.tasks;
import java.io.Closeable;
import org.datacleaner.job.concurrent.TaskListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Task listener that calls closing methods for any closeables.
*/
public class CloseResourcesTaskListener implements TaskListener {
private static final Logger logger = LoggerFactory.getLogger(CloseResourcesTaskListener.class);
private final Closeable[] _closeables;
public CloseResourcesTaskListener(final Closeable... closeables) {
_closeables = closeables;
}
@Override
public void onBegin(final Task task) {
}
private void cleanup() {
for (int i = 0; i < _closeables.length; i++) {
try {
_closeables[i].close();
} catch (final Exception e) {
logger.error("Could not close resource: " + _closeables[i], e);
}
}
}
@Override
public void onComplete(final Task task) {
cleanup();
}
@Override
public void onError(final Task task, final Throwable throwable) {
cleanup();
}
}