001/* 002 * (C) Copyright 2006-2008 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 * Alexandre Russel 016 * 017 * $Id$ 018 */ 019 020package org.nuxeo.ecm.platform.preview.adapter; 021 022import java.util.ArrayList; 023import java.util.List; 024 025import org.nuxeo.ecm.core.api.Blob; 026import org.nuxeo.ecm.core.api.Blobs; 027import org.nuxeo.ecm.core.api.DocumentModel; 028import org.nuxeo.ecm.platform.preview.api.PreviewException; 029 030/** 031 * @author Alexandre Russel 032 */ 033public class ImagePreviewer extends AbstractPreviewer implements MimeTypePreviewer { 034 035 public List<Blob> getPreview(Blob blob, DocumentModel dm) throws PreviewException { 036 List<Blob> blobResults = new ArrayList<Blob>(); 037 StringBuffer htmlPage = new StringBuffer(); 038 htmlPage.append("<html><head><title>"); 039 htmlPage.append(getPreviewTitle(dm)); 040 htmlPage.append("</title></head><body>"); 041 appendPreviewSettings(htmlPage); 042 htmlPage.append("<img src=\"image\">"); 043 Blob mainBlob = Blobs.createBlob(htmlPage.toString(), "text/html", null, "index.html"); 044 blob.setFilename("image"); 045 blobResults.add(mainBlob); 046 blobResults.add(blob); 047 return blobResults; 048 } 049 050 private static void appendPreviewSettings(StringBuffer sb) { 051 sb.append("<script type=\"text/javascript\">"); 052 sb.append("var previewSettings = { "); 053 sb.append("imageOnly: true"); 054 sb.append("}"); 055 sb.append("</script>"); 056 } 057 058}