001/*
002 * (C) Copyright 2006-20012 Nuxeo SAS (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Nuxeo - initial API and implementation
016 *
017 */
018
019package org.nuxeo.template.adapters;
020
021import org.apache.commons.logging.Log;
022import org.apache.commons.logging.LogFactory;
023import org.nuxeo.ecm.core.api.DocumentModel;
024import org.nuxeo.ecm.core.api.adapter.DocumentAdapterFactory;
025import org.nuxeo.template.adapters.doc.TemplateBasedDocumentAdapterImpl;
026import org.nuxeo.template.adapters.source.TemplateSourceDocumentAdapterImpl;
027import org.nuxeo.template.api.adapters.TemplateBasedDocument;
028import org.nuxeo.template.api.adapters.TemplateSourceDocument;
029
030/**
031 * Pluggable {@link DocumentAdapterFactory} used to return the right {@link TemplateBasedDocument} or
032 * {@link TemplateSourceDocument} implementation according to given {@link DocumentModel}.
033 *
034 * @author Tiry (tdelprat@nuxeo.com)
035 */
036public class TemplateAdapterFactory implements DocumentAdapterFactory {
037
038    protected static final Log log = LogFactory.getLog(TemplateAdapterFactory.class);
039
040    /**
041     * Checks if the document can be adapted. Also works on a ShallowDocumentModel.
042     */
043    public static boolean isAdaptable(DocumentModel doc, Class<?> adapterClass) {
044        if (adapterClass.equals(TemplateBasedDocument.class)) {
045            return doc.hasFacet(TemplateBasedDocumentAdapterImpl.TEMPLATEBASED_FACET);
046        }
047        if (adapterClass.equals(TemplateSourceDocument.class)) {
048            return doc.hasFacet(TemplateSourceDocumentAdapterImpl.TEMPLATE_FACET);
049        }
050        return false;
051    }
052
053    @Override
054    @SuppressWarnings("rawtypes")
055    public Object getAdapter(DocumentModel doc, Class adapterClass) {
056
057        if (adapterClass.getSimpleName().equals(TemplateBasedDocument.class.getSimpleName())) {
058            if (doc.hasFacet(TemplateBasedDocumentAdapterImpl.TEMPLATEBASED_FACET)) {
059                return new TemplateBasedDocumentAdapterImpl(doc);
060            } else {
061                return null;
062            }
063        }
064
065        if (adapterClass.getSimpleName().equals(TemplateSourceDocument.class.getSimpleName())) {
066            if (doc.hasFacet(TemplateSourceDocumentAdapterImpl.TEMPLATE_FACET)) {
067                return new TemplateSourceDocumentAdapterImpl(doc);
068            } else {
069                return null;
070            }
071        }
072
073        return null;
074    }
075}