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package org.glassfish.weld;
import org.jboss.weld.Container;
import org.jboss.weld.SimpleCDI;
import org.jboss.weld.bootstrap.spi.BeanDeploymentArchive;
import org.jboss.weld.manager.BeanManagerImpl;
import javax.enterprise.inject.spi.CDI;
import javax.enterprise.inject.spi.CDIProvider;
import java.util.Map;
import java.util.Set;
/**
* @author <a href="mailto:j.j.snyder@oracle.com">JJ Snyder</a>
*/
public class GlassFishWeldProvider implements CDIProvider {
private static class GlassFishEnhancedWeld extends SimpleCDI {
@Override
protected BeanManagerImpl unsatisfiedBeanManager(String callerClassName) {
/*
* In certain scenarios we use flat deployment model (weld-se, weld-servlet). In that case
* we return the only BeanManager we have.
*/
if (Container.instance().beanDeploymentArchives().values().size() == 1) {
return Container.instance().beanDeploymentArchives().values().iterator().next();
}
// To get the correct bean manager we need to determine the class loader of the calling class.
// unfortunately we only have the class name so we need to find the root bda that has a class loader
// that can successfully load the class. This should give us the correct BDA which then can be used
// to get the correct bean manager
Map<BeanDeploymentArchive, BeanManagerImpl> beanDeploymentArchives =
Container.instance().beanDeploymentArchives();
Set<java.util.Map.Entry<BeanDeploymentArchive,BeanManagerImpl>> entries = beanDeploymentArchives.entrySet();
for (Map.Entry<BeanDeploymentArchive, BeanManagerImpl> entry : entries) {
BeanDeploymentArchive beanDeploymentArchive = entry.getKey();
if ( beanDeploymentArchive instanceof RootBeanDeploymentArchive ) {
RootBeanDeploymentArchive rootBeanDeploymentArchive = ( RootBeanDeploymentArchive ) beanDeploymentArchive;
ClassLoader moduleClassLoaderForBDA = rootBeanDeploymentArchive.getModuleClassLoaderForBDA();
try {
Class.forName( callerClassName, false, moduleClassLoaderForBDA );
// successful so this is the bda we want.
return entry.getValue();
} catch ( Exception ignore ) {}
}
}
return super.unsatisfiedBeanManager(callerClassName);
}
}
@Override
public CDI<Object> getCDI() {
try {
return new GlassFishEnhancedWeld();
} catch ( Throwable throwable ) {
Throwable cause = throwable.getCause();
if ( cause instanceof IllegalStateException ) {
return null;
}
throw throwable;
}
}
}