com.sun.hk2.component.FactoryCreator Maven / Gradle / Ivy
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package com.sun.hk2.component;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jvnet.hk2.component.ComponentException;
import org.jvnet.hk2.component.Factory;
import org.jvnet.hk2.component.Habitat;
import org.jvnet.hk2.component.Inhabitant;
import org.jvnet.hk2.component.MultiMap;
/**
* Creates an object from {@link Factory}.
*
* @author Kohsuke Kawaguchi
*/
@SuppressWarnings("unchecked")
public class FactoryCreator extends AbstractCreatorImpl {
private final static Logger logger = Logger.getLogger(FactoryCreator.class.getName());
private final Inhabitant factory;
public FactoryCreator(Class type, Class factory, Habitat habitat, MultiMap metadata) {
this(type,habitat.getInhabitantByType(factory),habitat,metadata);
}
public FactoryCreator(Class type, Inhabitant factory, Habitat habitat, MultiMap metadata) {
super(type, habitat, metadata);
assert factory!=null;
assert habitat!=null;
this.factory = factory;
}
public T create(Inhabitant onBehalfOf) throws ComponentException {
logger.log(Level.FINER, "factory {0} invoked", factory);
T t = type.cast(factory.get().getObject());
logger.log(Level.FINER, "factory created object {0}", t);
inject(habitat,t,onBehalfOf);
return t;
}
}