HK2ContextBridge.java

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package org.glassfish.cdi.hk2;

import java.lang.annotation.Annotation;

import javax.enterprise.context.spi.Context;
import javax.enterprise.context.spi.Contextual;
import javax.enterprise.context.spi.CreationalContext;

import org.glassfish.hk2.api.ActiveDescriptor;

/**
 * This is an implementation of a CDI context that is put into CDI which will
 * handle all of the hk2 scope/context pairs
 * 
 * @author jwells
 *
 */
public class HK2ContextBridge implements Context {
    private final org.glassfish.hk2.api.Context<?> hk2Context;
    
    /* package */ HK2ContextBridge(org.glassfish.hk2.api.Context<?> hk2Context) {
        this.hk2Context = hk2Context;
    }

    @Override
    public <T> T get(Contextual<T> arg0) {
        if (!(arg0 instanceof HK2CDIBean)) return null;
        HK2CDIBean<T> hk2CdiBean = (HK2CDIBean<T>) arg0;
        
        ActiveDescriptor<T> descriptor = hk2CdiBean.getHK2Descriptor();
        
        if (!hk2Context.containsKey(descriptor)) return null;
        
        return hk2CdiBean.create(null);
    }

    @Override
    public <T> T get(Contextual<T> arg0, CreationalContext<T> arg1) {
        return arg0.create(arg1);
    }

    @Override
    public Class<? extends Annotation> getScope() {
        return hk2Context.getScope();
    }

    @Override
    public boolean isActive() {
        return hk2Context.isActive();
    }

}