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package org.glassfish.weld;
import com.sun.enterprise.container.common.spi.util.ComponentEnvManager;
import com.sun.enterprise.deployment.BundleDescriptor;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.JndiNameEnvironment;
import com.sun.enterprise.deployment.WebBundleDescriptor;
import org.glassfish.api.invocation.ComponentInvocation;
import org.glassfish.api.invocation.InvocationManager;
import org.glassfish.api.naming.NamedNamingObjectProxy;
import org.glassfish.api.naming.NamespacePrefixes;
import org.glassfish.hk2.api.ServiceLocator;
import org.jboss.weld.bootstrap.WeldBootstrap;
import org.jboss.weld.bootstrap.spi.BeanDeploymentArchive;
import org.jvnet.hk2.annotations.Service;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import javax.inject.Inject;
import javax.inject.Named;
import javax.naming.NamingException;
import javax.validation.Validation;
import javax.validation.Validator;
import javax.validation.ValidatorContext;
import javax.validation.ValidatorFactory;
import java.util.Set;
/**
* Proxy for javax.validation based lookups (java:comp/Validator, java:comp/ValidatorFactory) when CDI enabled
*/
@Service
@Named("ValidationNamingProxy")
public class ValidationNamingProxy implements NamedNamingObjectProxy {
@Inject
ServiceLocator serviceLocator;
@Inject
private ComponentEnvManager compEnvManager;
@Inject
private InvocationManager invocationManager;
@Inject
private WeldDeployer weldDeployer;
static final String VALIDATOR_CONTEXT = "java:comp/Validator";
static final String VALIDATOR_FACTORY_CONTEXT = "java:comp/ValidatorFactory";
/**
* get and create an instance of a bean from the beanManager
*
* @param beanManager
* @param clazz
* @return
*/
private static final Object getAndCreateBean(BeanManager beanManager, Class clazz) {
Set<Bean<?>> beans = beanManager.getBeans(clazz);
if (!beans.isEmpty()) {
Bean<?> bean = beans.iterator().next();
return bean.create(null);
}
return null;
}
@Override
public Object handle(String name) throws NamingException {
// delegate to the java:comp/BeanManager handler to obtain the appropriate BeanManager
BeanManager beanManager = obtainBeanManager();
if (beanManager == null) {
return null; // There is no bean manager available, return and let BeanValidatorNamingProxy handle lookup..
}
if (VALIDATOR_FACTORY_CONTEXT.equals(name)) {
try {
ValidatorFactory validatorFactory = (ValidatorFactory) getAndCreateBean(beanManager, ValidatorFactory.class);
if (validatorFactory != null) {
return validatorFactory;
} else {
throw new NamingException("Error retrieving " + name);
}
} catch (Throwable t) {
NamingException ne = new NamingException("Error retrieving " + name);
ne.initCause(t);
throw ne;
}
} else if (VALIDATOR_CONTEXT.equals(name)) {
try {
Validator validator = (Validator) getAndCreateBean(beanManager, Validator.class);
if (validator != null) {
return validator;
} else {
throw new NamingException("Error retrieving " + name);
}
} catch (Throwable t) {
NamingException ne = new NamingException("Error retrieving " + name);
ne.initCause(t);
throw ne;
}
} else {
throw new NamingException("wrong handler for " + name);
}
}
/**
* Obtain the BeanManagerNamingProxy from hk2, so the BeanManager can be looked up
*
* @throws NamingException
*/
private synchronized BeanManager obtainBeanManager() throws NamingException {
BeanManager beanManager = null;
// Use invocation context to find applicable BeanDeploymentArchive.
ComponentInvocation inv = invocationManager.getCurrentInvocation();
if( inv != null ) {
JndiNameEnvironment componentEnv = compEnvManager.getJndiNameEnvironment(inv.getComponentId());
if( componentEnv != null ) {
BundleDescriptor bundle = null;
if( componentEnv instanceof EjbDescriptor) {
bundle = (BundleDescriptor)
((EjbDescriptor) componentEnv).getEjbBundleDescriptor().
getModuleDescriptor().getDescriptor();
} else if( componentEnv instanceof WebBundleDescriptor) {
bundle = (BundleDescriptor) componentEnv;
}
if( bundle != null ) {
BeanDeploymentArchive bda = weldDeployer.getBeanDeploymentArchiveForBundle(bundle);
if( bda != null ) {
WeldBootstrap bootstrap = weldDeployer.getBootstrapForApp(bundle.getApplication());
beanManager = bootstrap.getManager(bda);
}
}
}
}
return beanManager;
}
}