001/*
002 * (C) Copyright 2006-2007 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 */
015package org.nuxeo.ecm.platform.preview.adapter.factories;
016
017import org.nuxeo.ecm.core.api.DocumentModel;
018import org.nuxeo.ecm.core.api.blobholder.BlobHolder;
019import org.nuxeo.ecm.platform.preview.adapter.PreviewAdapterFactory;
020import org.nuxeo.ecm.platform.preview.adapter.base.ConverterBasedHtmlPreviewAdapter;
021import org.nuxeo.ecm.platform.preview.api.HtmlPreviewAdapter;
022
023/**
024 * Preview adapter factory for all documents that have the file schema.
025 *
026 * @author tiry
027 */
028public class FileBasedPreviewAdapterFactory implements PreviewAdapterFactory {
029
030    public HtmlPreviewAdapter getAdapter(DocumentModel doc) {
031        ConverterBasedHtmlPreviewAdapter adapter = new ConverterBasedHtmlPreviewAdapter();
032        adapter.setAdaptedDocument(doc);
033        BlobHolder bh = doc.getAdapter(BlobHolder.class);
034        if (bh == null) {
035            if (doc.hasSchema("file")) {
036                adapter.setDefaultPreviewFieldXPath("file:content");
037            } else {
038                // Has "files" schema, set xpath to first blob as default
039                adapter.setDefaultPreviewFieldXPath("files:files/0/file");
040            }
041        }
042        return adapter;
043    }
044
045}