/*
* JBoss, Home of Professional Open Source
* Copyright 2009 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt 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.infinispan.loaders.jdbc;
import org.infinispan.io.ByteBuffer;
import org.infinispan.loaders.CacheLoaderException;
import org.infinispan.marshall.StreamingMarshaller;
import org.infinispan.loaders.jdbc.logging.Log;
import org.infinispan.util.logging.LogFactory;
import java.io.IOException;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
/**
* Contains common methods used by JDBC CacheStores.
*
* @author Mircea.Markus@jboss.com
*/
public class JdbcUtil {
private static final Log log = LogFactory.getLog(JdbcUtil.class, Log.class);
public static void safeClose(Statement ps) {
if (ps != null) {
try {
ps.close();
} catch (SQLException e) {
log.sqlFailureUnexpected(e);
}
}
}
public static void safeClose(Connection connection) {
if (connection != null) {
try {
connection.close();
} catch (SQLException e) {
log.sqlFailureClosingConnection(connection, e);
}
}
}
public static void safeClose(ResultSet rs) {
if (rs != null) {
try {
rs.close();
} catch (SQLException e) {
log.sqlFailureUnexpected(e);
}
}
}
public static ByteBuffer marshall(StreamingMarshaller marshaller, Object bucket) throws CacheLoaderException, InterruptedException {
try {
return marshaller.objectToBuffer(bucket);
} catch (IOException e) {
log.errorMarshallingBucket(e, bucket);
throw new CacheLoaderException("I/O failure while marshalling bucket: " + bucket, e);
}
}
public static Object unmarshall(StreamingMarshaller marshaller, InputStream inputStream) throws CacheLoaderException {
try {
return marshaller.objectFromInputStream(inputStream);
} catch (IOException e) {
log.ioErrorUnmarshalling(e);
throw new CacheLoaderException("I/O error while unmarshalling from stream", e);
} catch (ClassNotFoundException e) {
log.unexpectedClassNotFoundException(e);
throw new CacheLoaderException("*UNEXPECTED* ClassNotFoundException. This should not happen as Bucket class exists", e);
}
}
}