/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.controller.persistence;
import static org.jboss.as.controller.logging.ControllerLogger.MGMT_OP_LOGGER;
import java.io.File;
import org.jboss.dmr.ModelNode;
/**
* {@link ConfigurationPersister.PersistenceResource} that persists to a configuration file upon commit, also
* ensuring proper backup copies are made.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class ConfigurationFilePersistenceResource extends AbstractFilePersistenceResource {
private final ConfigurationFile configurationFile;
protected final File fileName;
ConfigurationFilePersistenceResource(final ModelNode model, final ConfigurationFile configurationFile,
final AbstractConfigurationPersister persister) throws ConfigurationPersistenceException {
super(model, persister);
this.configurationFile = configurationFile;
this.fileName = configurationFile.getMainFile();
}
@Override
public void doCommit(ExposedByteArrayOutputStream marshalled) {
final File tempFileName;
if ( FilePersistenceUtils.isParentFolderWritable(fileName) ){
tempFileName = FilePersistenceUtils.createTempFile(fileName);
}else{
tempFileName = FilePersistenceUtils.createTempFile(configurationFile.getConfigurationDir(), fileName.getName());
}
try {
try {
FilePersistenceUtils.writeToTempFile(marshalled, tempFileName, fileName);
} catch (Exception e) {
MGMT_OP_LOGGER.failedToStoreConfiguration(e, fileName.getName());
return;
}
try {
configurationFile.backup();
} finally {
configurationFile.commitTempFile(tempFileName);
}
configurationFile.fileWritten();
} catch (ConfigurationPersistenceException e) {
MGMT_OP_LOGGER.errorf(e, e.toString());
} finally {
if (tempFileName.exists() && !tempFileName.delete()) {
MGMT_OP_LOGGER.cannotDeleteTempFile(tempFileName.getName());
tempFileName.deleteOnExit();
}
}
}
}