JServiceFactoryFinder.java

package org.objectweb.jonas.ws;

import org.objectweb.jonas.common.JProp;

public class JServiceFactoryFinder {
    private static JProp props = null;

    private static ClassLoader jonasCL =
        Thread.currentThread().getContextClassLoader();

    private static final String JONAS_SERVICE_FACTORY =
        "jonas.service.ws.factory.class";

    private JServiceFactoryFinder() { }

    private static String factoryClassName = null;

    public static JServiceFactory getJOnASServiceFactory()
        throws WSServiceException {
        JServiceFactory factory = null;

        if (props == null) {
            try {
                props = JProp.getInstance();
                factoryClassName = props.getValue(JONAS_SERVICE_FACTORY);
            } catch (Exception e) {
                String err =
                    "Error when trying to get jonas property '"
                    + JONAS_SERVICE_FACTORY + "'";
                throw new WSServiceException(err, e);
            }
        }

        if (factoryClassName == null) {
            String err =
                "jonas property '" + JONAS_SERVICE_FACTORY + "' must be set!";
            throw new WSServiceException(err);
        }

        // instanciation
        try {
            factory =
                (JServiceFactory) jonasCL.loadClass(factoryClassName)
                                         .newInstance();
        } catch (ClassNotFoundException cnfe) {
            String err =
                "ClassNotFound '" + factoryClassName + "' in JOnAS ClassLoader";
            throw new WSServiceException(err);
        } catch (InstantiationException ie) {
            String err =
                "Instantiation error for new '" + factoryClassName + "'";
            throw new WSServiceException(err);
        } catch (IllegalAccessException ie) {
            String err = "Illegal Access for new '" + factoryClassName + "'";
            throw new WSServiceException(err);
        }

        return factory;

    }
}

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