/*
* HA-JDBC: High-Availability JDBC
* Copyright (C) 2012 Paul Ferraro
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.hajdbc.state.sql;
import java.sql.Driver;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.text.MessageFormat;
import java.util.Collections;
import net.sf.hajdbc.Database;
import net.sf.hajdbc.DatabaseCluster;
import net.sf.hajdbc.logging.Level;
import net.sf.hajdbc.logging.Logger;
import net.sf.hajdbc.logging.LoggerFactory;
import net.sf.hajdbc.pool.generic.GenericObjectPoolConfiguration;
import net.sf.hajdbc.pool.generic.GenericObjectPoolFactory;
import net.sf.hajdbc.sql.DriverDatabase;
import net.sf.hajdbc.state.StateManager;
import net.sf.hajdbc.state.StateManagerFactory;
import net.sf.hajdbc.util.Strings;
/**
* @author Paul Ferraro
*/
public class SQLStateManagerFactory extends GenericObjectPoolConfiguration implements StateManagerFactory
{
private static final long serialVersionUID = -544548607415128414L;
private Logger logger = LoggerFactory.getLogger(this.getClass());
enum EmbeddedVendor
{
H2("jdbc:h2:{1}/{0}"),
HSQLDB("jdbc:hsqldb:{1}/{0}"),
DERBY("jdbc:derby:{1}/{0};create=true")
;
final String pattern;
EmbeddedVendor(String pattern)
{
this.pattern = pattern;
}
}
private String urlPattern = defaultUrlPattern();
private String user;
private String password;
private static String defaultUrlPattern()
{
for (EmbeddedVendor vendor: EmbeddedVendor.values())
{
String url = MessageFormat.format(vendor.pattern, "test", Strings.HA_JDBC_HOME);
try
{
for (Driver driver: Collections.list(DriverManager.getDrivers()))
{
if (driver.acceptsURL(url))
{
return vendor.pattern;
}
}
}
catch (SQLException e)
{
// Skip vendor
}
}
return null;
}
@Override
public String getId()
{
return "sql";
}
/**
* {@inheritDoc}
* @see net.sf.hajdbc.state.StateManagerFactory#createStateManager(net.sf.hajdbc.DatabaseCluster)
*/
@Override
public <Z, D extends Database<Z>> StateManager createStateManager(DatabaseCluster<Z, D> cluster)
{
if (this.urlPattern == null)
{
throw new IllegalArgumentException("No embedded database driver was detected on the classpath.");
}
String url = MessageFormat.format(this.urlPattern, cluster.getId(), Strings.HA_JDBC_HOME);
DriverDatabase database = new DriverDatabase();
database.setLocation(url);
database.setUser(this.user);
database.setPassword(this.password);
this.logger.log(Level.INFO, "State for database cluster {0} will be persisted to {1}", cluster, url);
return new SQLStateManager<Z, D>(cluster, database, new GenericObjectPoolFactory(this));
}
public String getUrlPattern()
{
return this.urlPattern;
}
public void setUrlPattern(String urlPattern)
{
this.urlPattern = urlPattern;
}
public String getUser()
{
return this.user;
}
public void setUser(String user)
{
this.user = user;
}
public String getPassword()
{
return this.password;
}
public void setPassword(String password)
{
this.password = password;
}
}