org.datacleaner.guice.GuiceInjectionManager Maven / Gradle / Ivy
/**
* DataCleaner (community edition)
* Copyright (C) 2014 Free Software Foundation, Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* 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 distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.datacleaner.guice;
import org.datacleaner.configuration.DataCleanerConfiguration;
import org.datacleaner.configuration.InjectionManager;
import org.datacleaner.configuration.InjectionManagerImpl;
import org.datacleaner.configuration.InjectionPoint;
import org.datacleaner.job.AnalysisJob;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Wraps a standard {@link InjectionManager} and adds support for all Guice
* based injections (only triggered in case the standard
* {@link InjectionManager} is not useful
*/
final class GuiceInjectionManager extends InjectionManagerImpl {
private static final Logger logger = LoggerFactory.getLogger(GuiceInjectionManager.class);
private final InjectorBuilder _injectorBuilder;
public GuiceInjectionManager(final DataCleanerConfiguration configuration, final AnalysisJob job,
final InjectorBuilder injectorBuilder) {
super(configuration, job);
_injectorBuilder = injectorBuilder;
}
@Override
protected Object getInstanceInternal(final InjectionPoint injectionPoint) {
Object instance = super.getInstanceInternal(injectionPoint);
if (instance == null) {
final Class baseType = injectionPoint.getBaseType();
try {
instance = _injectorBuilder.getInstance(baseType);
} catch (final Exception e) {
logger.warn("Error occurred while getting guice instance for injection point: " + injectionPoint, e);
}
}
return instance;
}
}