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A bundle containing code of all jar-based modules that provide
JAX-RS and Jersey-related features. Such a bundle is *only intended* for
developers that do not use Maven's dependency system.
The bundle does not include code for contributes, tests and samples.
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*
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* and Distribution License("CDDL") (collectively, the "License"). You
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package com.sun.jersey.server.impl.jcdi;
import com.sun.jersey.api.container.ContainerException;
import com.sun.jersey.core.spi.component.ComponentContext;
import com.sun.jersey.core.spi.component.ComponentScope;
import com.sun.jersey.core.spi.component.ioc.IoCComponentProcessor;
import com.sun.jersey.core.spi.component.ioc.IoCComponentProcessorFactory;
import com.sun.jersey.core.spi.component.ioc.IoCComponentProcessorFactoryInitializer;
import com.sun.jersey.core.spi.component.ioc.IoCComponentProvider;
import com.sun.jersey.core.spi.component.ioc.IoCComponentProviderFactory;
import com.sun.jersey.core.spi.component.ioc.IoCDestroyable;
import com.sun.jersey.core.spi.component.ioc.IoCFullyManagedComponentProvider;
import com.sun.jersey.core.spi.component.ioc.IoCInstantiatedComponentProvider;
import java.lang.annotation.Annotation;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.ManagedBean;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.context.Dependent;
import javax.enterprise.context.RequestScoped;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.AmbiguousResolutionException;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.inject.spi.InjectionTarget;
import javax.enterprise.inject.spi.ProcessInjectionTarget;
import javax.ws.rs.ext.Provider;
/**
*
* @author [email protected]
*/
public class JCDIComponentProviderFactory implements
IoCComponentProviderFactory,
IoCComponentProcessorFactoryInitializer {
private static final Logger LOGGER = Logger.getLogger(
JCDIComponentProviderFactory.class.getName());
private static final IoCComponentProcessor NULL_COMPONENT_PROCESSOR = new IoCComponentProcessor() {
public void preConstruct() {
}
public void postConstruct(Object o) {
}
};
private final BeanManager bm;
public JCDIComponentProviderFactory(Object bm) {
this.bm = (BeanManager)bm;
}
// IoCComponentProcessorFactoryInitializer
public void init(final IoCComponentProcessorFactory cpf) {
final JCDIComponentExtension e = getRef(JCDIComponentExtension.class);
if (e == null) {
throw new ContainerException("Reference to " + JCDIComponentExtension.class + " is null");
}
for (final ProcessInjectionTarget pit : e.getProcessInjectionTargets()) {
final Class c = pit.getAnnotatedType().getJavaClass();
final Bean b = getBean(c);
if (b == null)
continue;
final Class s = b.getScope();
if (s == Dependent.class &&
!c.isAnnotationPresent(ManagedBean.class))
continue;
final ComponentScope cs = c.isAnnotationPresent(Provider.class)
? ComponentScope.Singleton
: s == Dependent.class
? cpf.getScope(c)
: getComponentScope(b);
LOGGER.info("Adapting InjectionTarget for " + c.getName() + " in the scope " + b.getScope());
final InjectionTarget it = pit.getInjectionTarget();
final InjectionTarget nit = new InjectionTarget() {
private volatile IoCComponentProcessor icp;
private IoCComponentProcessor getProcessor() {
IoCComponentProcessor result = icp;
if (result == null) { // First check (no locking)
synchronized(this) {
result = icp;
if (result == null) // Second check (with locking)
icp = result = computeProcessor();
}
}
return result;
}
private IoCComponentProcessor computeProcessor() {
IoCComponentProcessor icp = cpf.get(c, cs);
if (icp == null) {
return NULL_COMPONENT_PROCESSOR;
}
return icp;
}
public void inject(Object t, CreationalContext cc) {
it.inject(t, cc);
getProcessor().postConstruct(t);
}
public void postConstruct(Object t) {
it.postConstruct(t);
}
public void preDestroy(Object t) {
it.preDestroy(t);
}
public Object produce(CreationalContext cc) {
return it.produce(cc);
}
public void dispose(Object t) {
it.dispose(t);
}
public Set getInjectionPoints() {
return it.getInjectionPoints();
}
};
pit.setInjectionTarget(nit);
}
e.clear();
}
// IoCComponentProviderFactory
public IoCComponentProvider getComponentProvider(Class c) {
return getComponentProvider(null, c);
};
public IoCComponentProvider getComponentProvider(ComponentContext cc, final Class c) {
final Bean b = getBean(c);
if (b == null)
return null;
final Class s = b.getScope();
final ComponentScope cs = getComponentScope(b);
if (s == Dependent.class) {
if (!c.isAnnotationPresent(ManagedBean.class))
return null;
LOGGER.info("Binding the JCDI managed-bean class " + c.getName() +
" in the scope " + s.getName() +
" to JCDIComponentProviderFactory");
return new ComponentProviderDestroyable() {
// IoCInstantiatedComponentProvider
public Object getInjectableInstance(Object o) {
return o;
}
public Object getInstance() {
final CreationalContext bcc = bm.createCreationalContext(b);
return c.cast(bm.getReference(b, c, bcc));
}
// IoCDestroyable
public void destroy(Object o) {
final CreationalContext cc = bm.createCreationalContext(b);
((Bean)b).destroy(o, cc);
}
};
} else {
LOGGER.info("Binding the JCDI managed class " + c.getName() +
" in the scope " + s.getName() +
" to JCDIComponentProviderFactory in the scope " + cs);
return new IoCFullyManagedComponentProvider() {
public ComponentScope getScope() {
return cs;
}
public Object getInstance() {
final CreationalContext bcc = bm.createCreationalContext(b);
return c.cast(bm.getReference(b, c, bcc));
}
};
}
}
private interface ComponentProviderDestroyable extends IoCInstantiatedComponentProvider, IoCDestroyable {
};
private Bean getBean(Class c) {
final Set> bs = bm.getBeans(c);
if (bs.isEmpty()) {
return null;
}
try {
return bm.resolve(bs);
} catch(AmbiguousResolutionException ex) {
LOGGER.log(Level.SEVERE, null, ex);
return null;
}
}
private T getRef(Class c) {
Bean b = getBean(c);
if (b == null) {
return null;
}
CreationalContext cc = bm.createCreationalContext(b);
return c.cast(bm.getReference(b, c, cc));
}
private ComponentScope getComponentScope(Bean b) {
ComponentScope cs = scopeMap.get(b.getScope());
return (cs != null) ? cs : ComponentScope.Undefined;
}
private final Map, ComponentScope> scopeMap = createScopeMap();
private Map, ComponentScope> createScopeMap() {
Map, ComponentScope> m =
new HashMap, ComponentScope>();
m.put(ApplicationScoped.class, ComponentScope.Singleton);
m.put(RequestScoped.class, ComponentScope.PerRequest);
m.put(Dependent.class, ComponentScope.PerRequest);
return m;
}
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