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.fragments;
023
024import org.apache.commons.logging.Log;
025import org.apache.commons.logging.LogFactory;
026import org.nuxeo.theme.Manager;
027import org.nuxeo.theme.elements.ElementType;
028import org.nuxeo.theme.types.TypeFamily;
029import org.nuxeo.theme.types.TypeRegistry;
030import org.nuxeo.theme.uids.UidManager;
031
032public final class FragmentFactory {
033
034    private static final Log log = LogFactory.getLog(FragmentFactory.class);
035
036    public static Fragment create(String typeName) {
037        TypeRegistry typeRegistry = Manager.getTypeRegistry();
038        ElementType elementType = (ElementType) typeRegistry.lookup(TypeFamily.ELEMENT, "fragment");
039        FragmentType fragmentType = (FragmentType) typeRegistry.lookup(TypeFamily.FRAGMENT, typeName);
040
041        if (fragmentType == null) {
042            log.error("Fragment type not found: " + typeName);
043            return null;
044        }
045
046        String className = fragmentType.getClassName();
047        UidManager uidManager = Manager.getUidManager();
048
049        Fragment fragment = null;
050        try {
051            fragment = (Fragment) Class.forName(className).newInstance();
052            fragment.setElementType(elementType);
053            fragment.setFragmentType(fragmentType);
054
055            uidManager.register(fragment);
056        } catch (ReflectiveOperationException e) {
057            log.error(e, e);
058        }
059        return fragment;
060    }
061
062}