WSManagerWrapper.java

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

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

import org.objectweb.jonas_ws.deployment.api.WSDeploymentDesc;
import org.objectweb.jonas_ws.deployment.api.WSDeploymentDescException;

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 WSManagerWrapper {

    private static final String WS_MANAGER_CLASSNAME = "org.objectweb.jonas_ws.deployment.lib.WSDeploymentDescManager";

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

    private WSManagerWrapper() { }

    public static WSDeploymentDesc getDeploymentDesc(URL url, ClassLoader moduleCL, ClassLoader earCL)
    throws WSDeploymentDescException {
        LoaderManager lm = LoaderManager.getInstance();
        WSDeploymentDesc wsDD = null;

        try {
            ClassLoader tools = lm.getToolsLoader();
            Class manager = tools.loadClass(WS_MANAGER_CLASSNAME);
            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});
            wsDD = (WSDeploymentDesc) m.invoke(instance, new Object[] {url, moduleCL, earCL});
        } catch (InvocationTargetException ite) {
            Throwable t = ite.getTargetException();
            if (WSDeploymentDescException.class.isInstance(t)) {
                throw (WSDeploymentDescException) ite.getTargetException();
            } else {
                throw new WSDeploymentDescException("WSDeploymentDescManager.getDeploymentDesc fails", t);
            }
        } catch (Exception e) {
            // TODO add i18n here
            throw new WSDeploymentDescException("Problems when using reflection on WSDeploymentDescManager", e);
        }

        return wsDD;
    }

    public static WSDeploymentDesc getDeploymentDesc(URL url, URL unpackedURL, ClassLoader moduleCL, ClassLoader earCL)
    throws WSDeploymentDescException {
        LoaderManager lm = LoaderManager.getInstance();
        WSDeploymentDesc wsDD = null;

        try {
            ClassLoader tools = lm.getToolsLoader();
            Class manager = tools.loadClass(WS_MANAGER_CLASSNAME);
            Method m = manager.getDeclaredMethod("getInstance", new Class[] {});
            Object instance = m.invoke(null, new Object[] {});
            m = manager.getDeclaredMethod("getDeploymentDesc", new Class[] {URL.class, URL.class, ClassLoader.class,
                    ClassLoader.class});
            wsDD = (WSDeploymentDesc) m.invoke(instance, new Object[] {url, unpackedURL, moduleCL, earCL});
        } catch (InvocationTargetException ite) {
            Throwable t = ite.getTargetException();
            if (WSDeploymentDescException.class.isInstance(t)) {
                throw (WSDeploymentDescException) ite.getTargetException();
            } else {
                throw new WSDeploymentDescException("WSDeploymentDescManager.getDeploymentDesc fails", t);
            }
        } catch (Exception e) {
            // TODO add i18n here
            throw new WSDeploymentDescException("Problems when using reflection on WSDeploymentDescManager", e);
        }

        return wsDD;
    }

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

        try {
            ClassLoader tools = lm.getToolsLoader();
            Class manager = tools.loadClass(WS_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 void removeCache(ClassLoader cl) {
        LoaderManager lm = LoaderManager.getInstance();

        try {
            ClassLoader tools = lm.getToolsLoader();
            Class manager = tools.loadClass(WS_MANAGER_CLASSNAME);
            Method m = manager.getDeclaredMethod("getInstance", new Class[] {});
            Object instance = m.invoke(null, new Object[] {});
            m = manager.getDeclaredMethod("removeCache", new Class[] {ClassLoader.class});
            m.invoke(instance, new Object[] {cl});
        } catch (Exception e) {
            // Should never occurs
            logger.log(BasicLevel.ERROR, e);
        }
    }

}

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