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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.database.internal.core;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.exception.OseeNotFoundException;
import org.eclipse.osee.framework.core.util.Conditions;
import org.eclipse.osee.framework.database.core.IConnectionFactory;
import org.osgi.framework.BundleContext;
import org.osgi.util.tracker.ServiceTracker;
/**
* @author Andrew M. Finkbeiner
*/
public class ConnectionFactoryProvider {
private final BundleContext bundleContext;
public ConnectionFactoryProvider(BundleContext bundleContext) {
this.bundleContext = bundleContext;
}
public IConnectionFactory get(String driver) throws OseeCoreException {
Conditions.checkNotNull(driver, "database driver to find");
ServiceTracker serviceTracker = new ServiceTracker(bundleContext, IConnectionFactory.class.getName(), null);
serviceTracker.open(true);
try {
Object[] services = serviceTracker.getServices();
for (Object object : services) {
if (object instanceof IConnectionFactory) {
IConnectionFactory factory = (IConnectionFactory) object;
if (driver.equals(factory.getDriver())) {
return factory;
}
}
}
} finally {
serviceTracker.close();
}
throw new OseeNotFoundException("Unable to find connection factory with driver [%s]", driver);
}
}
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