001/* 002 * (C) Copyright 2006-2009 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 * troger 016 */ 017package org.nuxeo.ecm.platform.preview.adapter.base; 018 019import java.io.IOException; 020import java.nio.charset.UnsupportedCharsetException; 021import java.util.List; 022 023import org.nuxeo.ecm.core.api.Blob; 024import org.nuxeo.ecm.core.api.Blobs; 025import org.nuxeo.ecm.platform.preview.api.PreviewException; 026 027/** 028 * @author <a href="mailto:troger@nuxeo.com">Thomas Roger</a> 029 */ 030public class NoteHtmlPreviewAdapter extends PreprocessedHtmlPreviewAdapter { 031 032 public NoteHtmlPreviewAdapter(List<String> fieldsPaths) { 033 super(fieldsPaths); 034 } 035 036 @Override 037 public List<Blob> getPreviewBlobs() throws PreviewException { 038 List<Blob> blobs = super.getPreviewBlobs(); 039 if (!blobs.isEmpty()) { 040 Blob blob = blobs.remove(0); 041 Blob newBlob = processNoteBlob(blob); 042 blobs.add(0, newBlob); 043 } 044 return blobs; 045 } 046 047 protected Blob processNoteBlob(Blob blob) throws PreviewException { 048 try { 049 String note = blob.getString(); 050 StringBuilder sb = new StringBuilder(); 051 sb.append("<html><body>"); 052 sb.append(note); 053 sb.append("</body></html>"); 054 055 String mimeType = blob.getMimeType(); 056 if (mimeType == null) { 057 mimeType = "text/html"; 058 } 059 return Blobs.createBlob(sb.toString(), mimeType, blob.getEncoding()); 060 } catch (IOException e) { 061 throw new PreviewException(e); 062 } catch (UnsupportedCharsetException e) { 063 throw new PreviewException(e); 064 } 065 } 066 067 @Override 068 public List<Blob> getPreviewBlobs(String xpath) throws PreviewException { 069 return getPreviewBlobs(); 070 } 071 072}