001/* 002 * (C) Copyright 2011 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 * Quentin Lamerand <qlamerand@nuxeo.com> 016 */ 017 018package org.nuxeo.ecm.platform.convert.plugins; 019 020import java.io.IOException; 021import java.io.Serializable; 022import java.util.Map; 023 024import org.nuxeo.ecm.core.api.Blob; 025import org.nuxeo.ecm.core.api.Blobs; 026import org.nuxeo.ecm.core.api.blobholder.BlobHolder; 027import org.nuxeo.ecm.core.convert.api.ConversionException; 028import org.nuxeo.ecm.core.convert.cache.SimpleCachableBlobHolder; 029import org.nuxeo.ecm.core.convert.extension.Converter; 030import org.nuxeo.ecm.core.convert.extension.ConverterDescriptor; 031 032import com.cforcoding.jmd.MarkDownParserAndSanitizer; 033 034/** 035 * Markdown to HTML converter 036 * 037 * @author <a href="mailto:qlamerand@nuxeo.com">Quentin Lamerand</a> 038 * @since 5.5 039 */ 040public class Md2HtmlConverter implements Converter { 041 042 private static final String BODY_CONTENT_ONLY = "bodyContentOnly"; 043 044 private ConverterDescriptor descriptor; 045 046 @Override 047 public BlobHolder convert(BlobHolder blobHolder, Map<String, Serializable> parameters) throws ConversionException { 048 049 Boolean bodyContentOnly = Boolean.FALSE; 050 if (parameters != null) { 051 bodyContentOnly = (Boolean) parameters.get(BODY_CONTENT_ONLY); 052 } 053 if (bodyContentOnly == null) { 054 bodyContentOnly = Boolean.FALSE; 055 } 056 try { 057 Blob inputBlob = blobHolder.getBlob(); 058 String mdString = inputBlob.getString(); 059 MarkDownParserAndSanitizer md = new MarkDownParserAndSanitizer(); 060 StringBuilder html = new StringBuilder(); 061 if (!bodyContentOnly) { 062 html.append("<html><head></head><body>"); 063 } 064 html.append(md.transform(mdString)); 065 if (!bodyContentOnly) { 066 html.append("</body></html>"); 067 } 068 Blob outputBlob = Blobs.createBlob(html.toString(), descriptor.getDestinationMimeType()); 069 String filename = inputBlob.getFilename(); 070 if (filename != null) { 071 int dotPosition = filename.lastIndexOf('.'); 072 if (dotPosition > -1) { 073 filename = filename.substring(0, dotPosition) + ".html"; 074 } 075 outputBlob.setFilename(filename); 076 } 077 return new SimpleCachableBlobHolder(outputBlob); 078 } catch (IOException e) { 079 throw new ConversionException("Could not get Markdown string from BlobHolder", e); 080 } 081 } 082 083 @Override 084 public void init(ConverterDescriptor descriptor) { 085 this.descriptor = descriptor; 086 } 087 088}