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/**
* Copyright (c) 2004 - 2009 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.server.internal.db;
import org.eclipse.emf.cdo.internal.server.RepositoryConfigurator;
import org.eclipse.emf.cdo.server.IStore;
import org.eclipse.emf.cdo.server.IStoreFactory;
import org.eclipse.emf.cdo.server.db.CDODBUtil;
import org.eclipse.emf.cdo.server.db.mapping.IMappingStrategy;
import org.eclipse.net4j.db.DBUtil;
import org.eclipse.net4j.db.IDBAdapter;
import org.eclipse.net4j.db.IDBConnectionProvider;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.NodeList;
import javax.sql.DataSource;
import java.util.Map;
import java.util.Properties;
/**
* @author Eike Stepper
*/
public class DBStoreFactory implements IStoreFactory
{
public DBStoreFactory()
{
}
public String getStoreType()
{
return DBStore.TYPE;
}
public IStore createStore(Element storeConfig)
{
IMappingStrategy mappingStrategy = getMappingStrategy(storeConfig);
IDBAdapter dbAdapter = getDBAdapter(storeConfig);
DataSource dataSource = getDataSource(storeConfig);
IDBConnectionProvider connectionProvider = DBUtil.createConnectionProvider(dataSource);
return CDODBUtil.createStore(mappingStrategy, dbAdapter, connectionProvider);
}
private IMappingStrategy getMappingStrategy(Element storeConfig)
{
NodeList mappingStrategyConfigs = storeConfig.getElementsByTagName("mappingStrategy");
if (mappingStrategyConfigs.getLength() != 1)
{
throw new IllegalStateException("Exactly one mapping strategy must be configured for DB store");
}
Element mappingStrategyConfig = (Element)mappingStrategyConfigs.item(0);
String mappingStrategyType = mappingStrategyConfig.getAttribute("type");
IMappingStrategy mappingStrategy = CDODBUtil.createMappingStrategy(mappingStrategyType);
if (mappingStrategy == null)
{
throw new IllegalArgumentException("Unknown mapping strategy: " + mappingStrategyType);
}
Map<String, String> properties = RepositoryConfigurator.getProperties(mappingStrategyConfig, 1);
mappingStrategy.setProperties(properties);
return mappingStrategy;
}
private IDBAdapter getDBAdapter(Element storeConfig)
{
NodeList dbAdapterConfigs = storeConfig.getElementsByTagName("dbAdapter");
if (dbAdapterConfigs.getLength() != 1)
{
throw new IllegalStateException("Exactly one dbAdapter must be configured for DB store");
}
Element dbAdapterConfig = (Element)dbAdapterConfigs.item(0);
String dbAdapterName = dbAdapterConfig.getAttribute("name");
IDBAdapter dbAdapter = DBUtil.getDBAdapter(dbAdapterName);
if (dbAdapter == null)
{
throw new IllegalArgumentException("Unknown DB adapter: " + dbAdapterName);
}
return dbAdapter;
}
private DataSource getDataSource(Element storeConfig)
{
NodeList dataSourceConfigs = storeConfig.getElementsByTagName("dataSource");
if (dataSourceConfigs.getLength() != 1)
{
throw new IllegalStateException("Exactly one dataSource must be configured for DB store");
}
Properties properties = new Properties();
Element dataSourceConfig = (Element)dataSourceConfigs.item(0);
NamedNodeMap attributes = dataSourceConfig.getAttributes();
for (int i = 0; i < attributes.getLength(); i++)
{
Attr attribute = (Attr)attributes.item(i);
properties.put(attribute.getName(), attribute.getValue());
}
return DBUtil.createDataSource(properties);
}
}
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