001/* 002 * (C) Copyright 2012 Nuxeo SA (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 * bjalon 016 */ 017package org.nuxeo.ecm.mobile.webengine.adapter; 018 019import java.io.IOException; 020import java.io.Serializable; 021import java.util.HashMap; 022import java.util.Map; 023 024import javax.ws.rs.GET; 025 026import org.apache.commons.logging.Log; 027import org.apache.commons.logging.LogFactory; 028import org.nuxeo.ecm.core.api.Blobs; 029import org.nuxeo.ecm.core.api.DocumentModel; 030import org.nuxeo.ecm.core.api.PropertyException; 031import org.nuxeo.ecm.core.api.blobholder.BlobHolder; 032import org.nuxeo.ecm.core.api.blobholder.SimpleBlobHolder; 033import org.nuxeo.ecm.core.convert.api.ConversionException; 034import org.nuxeo.ecm.core.convert.api.ConversionService; 035import org.nuxeo.ecm.mobile.webengine.document.MobileDocument; 036import org.nuxeo.ecm.platform.preview.helper.PreviewHelper; 037import org.nuxeo.ecm.webengine.WebException; 038import org.nuxeo.ecm.webengine.model.WebAdapter; 039import org.nuxeo.runtime.api.Framework; 040 041/** 042 * @author <a href="mailto:bjalon@nuxeo.com">Benjamin JALON</a> 043 * @since 5.5 044 */ 045@WebAdapter(name = "preview", type = "Preview", targetType = "MobileDocument") 046public class PreviewAdapter extends DefaultMobileAdapter { 047 private static final Log log = LogFactory.getLog(PreviewAdapter.class); 048 049 private String nuxeoContextPath; 050 051 @GET 052 public Object doGet() { 053 return getView("index"); 054 } 055 056 public String getPreviewURL() { 057 Object targetObject = ctx.getTargetObject(); 058 if (!(targetObject instanceof MobileDocument)) { 059 throw new WebException("Target Object must be MobileDocument"); 060 } 061 return getNuxeoContextPath() + "/" + PreviewHelper.getPreviewURL(((MobileDocument) targetObject).getDocument()); 062 } 063 064 public String getPreviewContent() throws PropertyException { 065 Object targetObject = ctx.getTargetObject(); 066 if (!(targetObject instanceof MobileDocument)) { 067 throw new WebException("Target Object must be MobileDocument"); 068 } 069 DocumentModel document = ((MobileDocument) targetObject).getDocument(); 070 if (!document.hasSchema("note")) { 071 throw new WebException("Can't produce preview for this document type"); 072 } 073 String content = (String) document.getPropertyValue("note:note"); 074 String mimetype = (String) document.getPropertyValue("note:mime_type"); 075 return convertToHtml(content, mimetype); 076 } 077 078 private String convertToHtml(String text, String mimeType) { 079 BlobHolder bh = new SimpleBlobHolder(Blobs.createBlob(text, mimeType, "UTF-8")); 080 Map<String, Serializable> parameters = new HashMap<String, Serializable>(); 081 parameters.put("bodyContentOnly", Boolean.TRUE); 082 try { 083 bh = Framework.getLocalService(ConversionService.class).convertToMimeType("text/html", bh, parameters); 084 text = bh.getBlob().getString(); 085 } catch (ConversionException | IOException e) { 086 log.error("Failed to convert to HTML.", e); 087 } 088 return text; 089 } 090 091 private String getNuxeoContextPath() { 092 if (nuxeoContextPath == null) { 093 nuxeoContextPath = Framework.getProperty("org.nuxeo.ecm.contextPath"); 094 } 095 return nuxeoContextPath; 096 } 097 098}