com.sun.ejb.containers.interceptors.JavaEEInterceptorBuilderImpl Maven / Gradle / Ivy

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package com.sun.ejb.containers.interceptors;

import com.sun.enterprise.container.common.spi.JavaEEInterceptorBuilder;
import com.sun.enterprise.container.common.spi.InterceptorInvoker;
import com.sun.enterprise.container.common.spi.util.InterceptorInfo;

import com.sun.ejb.codegen.EjbOptionalIntfGenerator;
import com.sun.ejb.spi.container.OptionalLocalInterfaceProvider;
import com.sun.logging.LogDomains;

import java.lang.reflect.Proxy;
import java.util.logging.Logger;

/**
 *
 */

public class JavaEEInterceptorBuilderImpl implements JavaEEInterceptorBuilder {

    private static Logger _logger = LogDomains.getLogger(JavaEEInterceptorBuilderImpl.class,
            LogDomains.CORE_LOGGER);

    private InterceptorInfo interceptorInfo;

    private InterceptorManager interceptorManager;

    private EjbOptionalIntfGenerator gen;

    private Class subClassIntf;

    private Class subClass;

    public JavaEEInterceptorBuilderImpl(InterceptorInfo intInfo, InterceptorManager manager,
                                        EjbOptionalIntfGenerator gen, Class subClassIntf,
                                        Class subClass) {
        interceptorInfo = intInfo;
        interceptorManager = manager;
        this.gen = gen;
        this.subClassIntf = subClassIntf;
        this.subClass = subClass;
    }

    public InterceptorInvoker createInvoker(Object instance) throws Exception {

        interceptorInfo.setTargetObjectInstance(instance);


        // Proxy invocation handler. Also implements InterceptorInvoker.
        InterceptorInvocationHandler invoker = new InterceptorInvocationHandler();

        Proxy proxy = (Proxy) Proxy.newProxyInstance(
            subClass.getClassLoader(), new Class[] { subClassIntf }, invoker);


        // Object passed back to the caller.
        OptionalLocalInterfaceProvider provider =
            (OptionalLocalInterfaceProvider) subClass.newInstance();
        provider.setOptionalLocalIntfProxy(proxy);

        invoker.init(instance, interceptorManager.createInterceptorInstances(),
                provider, interceptorManager);

        return invoker;

    }

    public void addRuntimeInterceptor(Object interceptor) {

        interceptorManager.registerRuntimeInterceptor(interceptor);

    }


}