001/*
002 * (C) Copyright 2006-2008 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bstefanescu
018 *
019 * $Id$
020 */
021
022package org.nuxeo.ecm.webengine.session;
023
024/**
025 * @author <a href="mailto:[email protected]">Bogdan Stefanescu</a>
026 */
027public abstract class AbstractComponent implements Component {
028
029    private static final long serialVersionUID = 3472450841328363350L;
030
031    protected String name;
032
033    private boolean isLive;
034
035    public String getName() {
036        return name;
037    }
038
039    public boolean isLive() {
040        return isLive;
041    }
042
043    public void initialize(UserSession session, String name) throws SessionException {
044        if (isLive) {
045            throw new InvalidStateException(this, "initialize");
046        }
047        this.name = name;
048        doInitialize(session, name);
049        isLive = true;
050    }
051
052    public void destroy(UserSession session) throws SessionException {
053        if (!isLive) {
054            throw new InvalidStateException(this, "destroy");
055        }
056        doDestroy(session);
057        name = null;
058        isLive = false;
059    }
060
061    public void doInitialize(UserSession session, String name) throws SessionException {
062        // do nothing by default
063    }
064
065    public void doDestroy(UserSession session) throws SessionException {
066        // do nothing by default
067    }
068
069}