ClientManagerWrapper.java

package org.objectweb.jonas_client.deployment.lib.wrapper;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;

import org.objectweb.jonas_client.deployment.api.ClientContainerDeploymentDesc;
import org.objectweb.jonas_client.deployment.api.ClientContainerDeploymentDescException;

import org.objectweb.jonas.common.Log;
import org.objectweb.jonas.server.LoaderManager;

import org.objectweb.util.monolog.api.BasicLevel;
import org.objectweb.util.monolog.api.Logger;

public class ClientManagerWrapper {

    private static Logger logger = Log.getLogger(Log.JONAS_CLIENT_PREFIX);

    private ClientManagerWrapper() { }

    public static ClientContainerDeploymentDesc getDeploymentDesc(URL url, ClassLoader moduleCL, ClassLoader earCL)
            throws ClientContainerDeploymentDescException {
        LoaderManager lm = LoaderManager.getInstance();
        ClientContainerDeploymentDesc ccDD = null;

        try {
            ClassLoader tools = lm.getToolsLoader();
            Class manager = tools.loadClass("org.objectweb.jonas_client.deployment.lib.ClientDeploymentDescManager");
            Method m = manager.getDeclaredMethod("getInstance", new Class[] {});
            Object instance = m.invoke(null, new Object[] {});
            m = manager.getDeclaredMethod("getDeploymentDesc", new Class[] {URL.class, ClassLoader.class,
                    ClassLoader.class});
            ccDD = (ClientContainerDeploymentDesc) m.invoke(instance, new Object[] {url, moduleCL, earCL});
        } catch (InvocationTargetException ite) {
            Throwable t = ite.getTargetException();
            if (ClientContainerDeploymentDescException.class.isInstance(t)) {
                throw (ClientContainerDeploymentDescException) ite.getTargetException();
            } else {
                throw new ClientContainerDeploymentDescException("ClientDeploymentDescManager.getDeploymentDesc fails", t);
            }
        } catch (Exception e) {
            e.printStackTrace();
            // TODO add i18n here
            throw new ClientContainerDeploymentDescException("Problems when using reflection on ClientDeploymentDescManager", e);
        }

        return ccDD;
    }

    public static void setAltDD(URLClassLoader earClassLoader, URL[] clientUrls, URL[] clientsAltDDs) {
        LoaderManager lm = LoaderManager.getInstance();
        try {
            ClassLoader tools = lm.getToolsLoader();
            Class manager = tools.loadClass("org.objectweb.jonas_client.deployment.lib.ClientDeploymentDescManager");
            Method m = manager.getDeclaredMethod("getInstance", new Class[] {});
            Object instance = m.invoke(null, new Object[] {});
            m = manager.getDeclaredMethod("setAltDD", new Class[] {ClassLoader.class, URL[].class, URL[].class});
            m.invoke(instance, new Object[] {earClassLoader, clientUrls, clientsAltDDs});
        } catch (Exception e) {
            // Should never occurs
            logger.log(BasicLevel.ERROR, e);
        }
    }

}

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