RemoteClassLoaderSpi.java

package org.objectweb.jonas.server;

import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URLClassLoader;
import java.rmi.server.RMIClassLoaderSpi;


public class RemoteClassLoaderSpi extends RMIClassLoaderSpi {


    private static boolean carolIsInitialized = false;
    private static boolean carolIsOptimized = false;


    private RMIClassLoaderSpi defRMISpi;

    public RemoteClassLoaderSpi() {
        try {
            Class cl = Class.forName("java.rmi.server.RMIClassLoader");
            Method meth = cl.getMethod("getDefaultProviderInstance",  new Class [0]);
            this.defRMISpi = (RMIClassLoaderSpi) meth.invoke(cl, new Object[0]);
        } catch (Exception e) {
            //TraceCarol.error("RemoteClassLoaderSpi error", e);
        }
    }

    public Class loadClass(String codebase,
                           String name,
                           ClassLoader defaultLoader) throws MalformedURLException,
                                                             ClassNotFoundException {
        return defRMISpi.loadClass(codebase, name, defaultLoader);
    }

    public Class loadProxyClass(String codebase,
                                String[] interfaces,
                                ClassLoader defaultLoader) throws MalformedURLException,
                                                                  ClassNotFoundException {
        return defRMISpi.loadProxyClass(codebase, interfaces, defaultLoader);
    }

    public ClassLoader getClassLoader(String codebase) throws MalformedURLException {
        return defRMISpi.getClassLoader(codebase);
    }


    public String getClassAnnotation(Class cl) {
        ClassLoader loader = cl.getClassLoader();

        if (!carolIsInitialized) {

            String sValue = System.getProperty("rmi.local.call", "init");
            if (!sValue.equals("init")) {
                carolIsOptimized = new Boolean(sValue).booleanValue();
                carolIsInitialized = true;
            }

           }

        if (loader instanceof JClassLoader) {
            return null;
        } else if ((loader instanceof URLClassLoader)&&(carolIsOptimized)){
            return null;
        } else {
            return defRMISpi.getClassAnnotation(cl);
        }
    }
}

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