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/*
* Copyright (c) 2004 - 2012 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.hibernate;
import org.eclipse.emf.cdo.server.IStore;
import org.eclipse.emf.cdo.server.IStoreFactory;
import org.eclipse.emf.cdo.server.hibernate.IHibernateMappingProvider;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import java.util.Map;
import java.util.Properties;
/**
* @author Eike Stepper
*/
public class HibernateStoreFactory implements IStoreFactory
{
private static final String PROPERTY_TAG = "property"; //$NON-NLS-1$
private static final String MAPPINGPROVIDER_TAG = "mappingProvider"; //$NON-NLS-1$
private static final String NAME_ATTRIBUTE = "name"; //$NON-NLS-1$
private static final String VALUE_ATTRIBUTE = "value"; //$NON-NLS-1$
private static final String TYPE_ATTRIBUTE = "type"; //$NON-NLS-1$
public HibernateStoreFactory()
{
}
public String getStoreType()
{
return HibernateStore.TYPE;
}
public IStore createStore(String repositoryName, Map<String, String> repositoryProperties, Element storeConfig)
{
final IHibernateMappingProvider mappingProvider = getMappingProvider(storeConfig);
final Properties properties = new Properties();
final NodeList propertyNodes = storeConfig.getElementsByTagName(PROPERTY_TAG);
for (int i = 0; i < propertyNodes.getLength(); i++)
{
final Element propertyElement = (Element)propertyNodes.item(i);
properties.setProperty(propertyElement.getAttribute(NAME_ATTRIBUTE),
propertyElement.getAttribute(VALUE_ATTRIBUTE));
}
return HibernateUtil.getInstance().createStore(mappingProvider, properties);
}
private IHibernateMappingProvider getMappingProvider(Element storeConfig)
{
NodeList mappingProviderConfigs = storeConfig.getElementsByTagName(MAPPINGPROVIDER_TAG);
if (mappingProviderConfigs.getLength() != 1)
{
throw new IllegalStateException("Exactly one mapping provider must be configured for Hibernate store"); //$NON-NLS-1$
}
Element mappingProviderConfig = (Element)mappingProviderConfigs.item(0);
String mappingProviderType = mappingProviderConfig.getAttribute(TYPE_ATTRIBUTE);
IHibernateMappingProvider.Factory factory = HibernateUtil.getInstance().createMappingProviderFactory(
mappingProviderType);
if (factory == null)
{
throw new IllegalArgumentException("Unknown mapping provider type: " + mappingProviderType); //$NON-NLS-1$
}
IHibernateMappingProvider mappingProvider = factory.create(mappingProviderConfig);
if (mappingProvider == null)
{
throw new IllegalArgumentException("No mapping provider created: " + mappingProviderType); //$NON-NLS-1$
}
return mappingProvider;
}
}
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