com.sun.ejb.containers.interceptors.JavaEEInterceptorBuilderFactoryImpl Maven / Gradle / Ivy
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// Portions Copyright [2020] [Payara Foundation and/or its affiliates]
package com.sun.ejb.containers.interceptors;
import com.sun.enterprise.container.common.spi.JavaEEInterceptorBuilder;
import com.sun.enterprise.container.common.spi.JavaEEInterceptorBuilderFactory;
import com.sun.enterprise.container.common.spi.util.InterceptorInfo;
import org.jvnet.hk2.annotations.Service;
import com.sun.ejb.EJBUtils;
import com.sun.ejb.codegen.EjbOptionalIntfGenerator;
import com.sun.ejb.spi.container.OptionalLocalInterfaceProvider;
import com.sun.logging.LogDomains;
import java.util.logging.Logger;
/**
*
*/
@Service
public class JavaEEInterceptorBuilderFactoryImpl implements JavaEEInterceptorBuilderFactory {
private static Logger _logger = LogDomains.getLogger(JavaEEInterceptorBuilderImpl.class,
LogDomains.CORE_LOGGER);
@Override
public JavaEEInterceptorBuilder createBuilder(InterceptorInfo info) throws Exception {
Class targetObjectClass = info.getTargetClass();
// Create an interface with all public methods of the target class
// in order to create a dynamic proxy
String targetObjectClassName = targetObjectClass.getName();
String subClassIntfName = EJBUtils.getGeneratedOptionalInterfaceName(targetObjectClassName);
EjbOptionalIntfGenerator gen = new EjbOptionalIntfGenerator(targetObjectClass.getClassLoader());
Class subClassIntf = gen.loadClass(
targetObjectClassName,
subClassIntfName,
() -> gen.generateOptionalLocalInterface(targetObjectClass, subClassIntfName)
);
String beanSubClassName = subClassIntfName + "__Bean__";
// Generate a sub-class of the application's class. Use an instance of this subclass
// as the actual object passed back to the application. The sub-class instance
// delegates all public methods to the dyanamic proxy, which calls the
// InvocationHandler.
Class subClass = gen.loadClass(
targetObjectClassName,
beanSubClassName,
() -> gen.generateOptionalLocalInterfaceSubClass(targetObjectClass, beanSubClassName, subClassIntf)
);
// TODO do interceptor builder once per managed bean
InterceptorManager interceptorManager = new InterceptorManager(_logger,
targetObjectClass.getClassLoader(), targetObjectClass.getName(),
info);
JavaEEInterceptorBuilderImpl builderImpl =
new JavaEEInterceptorBuilderImpl(info, interceptorManager,
gen, subClassIntf, subClass);
return builderImpl;
}
/**
* Tests if a given object is a client proxy associated with an interceptor
* invoker.
*
* @param obj
* @return
*/
@Override
public boolean isClientProxy(Object obj) {
Class clazz = obj.getClass();
return (OptionalLocalInterfaceProvider.class.isAssignableFrom(clazz));
}
}