RarManagerWrapper.java

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

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

import javax.naming.Context;

import org.objectweb.jonas_lib.deployment.api.DeploymentDescException;

import org.objectweb.jonas_rar.deployment.api.RarDeploymentDesc;
import org.objectweb.jonas_rar.deployment.api.RarDeploymentDescException;

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 RarManagerWrapper {

    private static final String RAR_MANAGER_CLASSNAME = "org.objectweb.jonas_rar.deployment.lib.RarDeploymentDescManager";

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

    private RarManagerWrapper() {
    }

    public static RarDeploymentDesc getRarDeploymentDesc(String rar, ClassLoader cl)
    throws DeploymentDescException {
        LoaderManager lm = LoaderManager.getInstance();
        RarDeploymentDesc rarDD = null;
        try {
            ClassLoader tools = lm.getToolsLoader();
            Class manager = tools.loadClass(RAR_MANAGER_CLASSNAME);
            Method m = manager.getDeclaredMethod("getInstance", new Class[] {java.lang.String.class, java.lang.ClassLoader.class});
            rarDD = (RarDeploymentDesc) m.invoke(null, new Object[] {rar, cl});
        } catch (InvocationTargetException ite) {
            Throwable t = ite.getTargetException();
            if (RarDeploymentDescException.class.isInstance(t)) {
                throw (RarDeploymentDescException) ite.getTargetException();
            } else {
                throw new RarDeploymentDescException("RarDeploymentDescManager.getInstance fails", t);
            }
        } catch (Exception e) {
            // TODO add i18n here
            throw new RarDeploymentDescException("Problems when using reflection on RarDeploymentDescManager", e);
        }
        return rarDD;
    }

    public static void setParsingWithValidation(boolean b) {
        LoaderManager lm = LoaderManager.getInstance();

        try {
            ClassLoader tools = lm.getToolsLoader();
            Class manager = tools.loadClass(RAR_MANAGER_CLASSNAME);
            Method m = manager.getDeclaredMethod("setParsingWithValidation", new Class[] {boolean.class});
            m.invoke(null, new Object[] {new Boolean(b)});
        } catch (Exception e) {
            // Should never occurs
            logger.log(BasicLevel.ERROR, e);
        }
    }

    public static RarDeploymentDesc getInstance(Context ctx) throws DeploymentDescException {
        LoaderManager lm = LoaderManager.getInstance();
        RarDeploymentDesc rarDD = null;

        try {
            ClassLoader tools = lm.getToolsLoader();
            Class manager = tools.loadClass(RAR_MANAGER_CLASSNAME);
            Method m = manager.getDeclaredMethod("getInstance", new Class[] {javax.naming.Context.class});
            rarDD = (RarDeploymentDesc) m.invoke(null, new Object[] {ctx});
        } catch (InvocationTargetException ite) {
            Throwable t = ite.getTargetException();
            if (RarDeploymentDescException.class.isInstance(t)) {
                throw (RarDeploymentDescException) ite.getTargetException();
            } else {
                throw new RarDeploymentDescException("RarDeploymentDescManager.getInstance fails", t);
            }
        } catch (Exception e) {
            // TODO add i18n here
            throw new RarDeploymentDescException("Problems when using reflection on RarDeploymentDescManager", e);
        }

        return rarDD;
    }

}

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