GenicServiceWrapper.java

package org.objectweb.jonas_ejb.genic.wrapper;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import org.objectweb.jonas.server.LoaderManager;
import org.objectweb.jonas.service.ServiceException;

public class GenicServiceWrapper {


    private static final String GENIC_CLASSNAME = "org.objectweb.jonas_ejb.genic.GenIC";

    private GenicServiceWrapper() { };

    public static void callGenic(String[] args) throws ServiceException {
        LoaderManager lm = LoaderManager.getInstance();
        ClassLoader old = null;

        try {
            ClassLoader tools = lm.getToolsLoader();
            old = Thread.currentThread().getContextClassLoader();
            Thread.currentThread().setContextClassLoader(tools);

            Class manager = tools.loadClass(GENIC_CLASSNAME);
            Method m = manager.getDeclaredMethod("main", new Class[] {String[].class});
            m.invoke(null, new Object[] {args});
        } catch (InvocationTargetException e) {
            if (e.getTargetException() instanceof Error) {
                throw (Error) e.getTargetException();
            } else if (e.getTargetException() instanceof ServiceException) {
                throw (ServiceException) e.getTargetException();
            } else {
                throw new ServiceException("Problems when invoking main method from GenIC", e.getTargetException());
            }
        } catch (Exception e) {
            throw new ServiceException("Problems when invoking main method from GenIC" , e);
        } finally {
            if (old != null) {
                Thread.currentThread().setContextClassLoader(old);
            }
        }
    }
}

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