001/*
002 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the Eclipse Public License v1.0
006 * which accompanies this distribution, and is available at
007 * http://www.eclipse.org/legal/epl-v10.html
008 *
009 * Contributors:
010 *     bstefanescu
011 */
012package org.nuxeo.ecm.webengine.jaxrs.servlet.config;
013
014import javax.servlet.ServletContextListener;
015
016import org.nuxeo.common.xmap.annotation.XNode;
017import org.nuxeo.common.xmap.annotation.XObject;
018import org.nuxeo.ecm.webengine.jaxrs.BundleNotFoundException;
019import org.nuxeo.ecm.webengine.jaxrs.Utils;
020import org.nuxeo.ecm.webengine.jaxrs.Utils.ClassRef;
021
022/**
023 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
024 */
025@XObject("listener")
026public class ListenerDescriptor {
027
028    @XNode("@class")
029    protected String classRef;
030
031    private ClassRef ref;
032
033    public ClassRef getClassRef() throws ClassNotFoundException, BundleNotFoundException {
034        if (ref == null) {
035            ref = Utils.getClassRef(classRef);
036        }
037        return ref;
038    }
039
040    public ServletContextListener getListener() throws ReflectiveOperationException, BundleNotFoundException {
041        return (ServletContextListener) getClassRef().get().newInstance();
042    }
043
044    @Override
045    public String toString() {
046        return classRef;
047    }
048
049}