001/*
002 * (C) Copyright 2006-2007 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 *     Jean-Marc Orliaguet, Chalmers
018 *
019 * $Id$
020 */
021
022package org.nuxeo.theme.elements;
023
024import org.apache.commons.logging.Log;
025import org.apache.commons.logging.LogFactory;
026import org.nuxeo.theme.Manager;
027import org.nuxeo.theme.types.TypeFamily;
028import org.nuxeo.theme.uids.UidManager;
029
030public final class ElementFactory {
031
032    private static final Log log = LogFactory.getLog(ElementFactory.class);
033
034    private ElementFactory() {
035        // This class is not supposed to be instantiated.
036    }
037
038    public static Element create(final String typeName) {
039        final ElementType elementType = (ElementType) Manager.getTypeRegistry().lookup(TypeFamily.ELEMENT, typeName);
040        final String className = elementType.getClassName();
041        final UidManager uidManager = Manager.getUidManager();
042
043        if (className == null) {
044            // throw an exception
045            return null;
046        }
047
048        Element element = null;
049        try {
050            element = (Element) Class.forName(className).newInstance();
051            element.setElementType(elementType);
052            uidManager.register(element);
053        } catch (ReflectiveOperationException e) {
054            log.error("Could not create element", e);
055        }
056        return element;
057    }
058
059}