001/* 002 * (C) Copyright 2012-2015 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-2.1.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 * ldoguin 016 */ 017package org.nuxeo.template.deckjs; 018 019import java.io.File; 020import java.io.IOException; 021import java.io.InputStream; 022import java.io.Serializable; 023import java.nio.file.Files; 024import java.nio.file.StandardCopyOption; 025import java.util.Map; 026 027import org.nuxeo.ecm.core.api.Blob; 028import org.nuxeo.ecm.core.api.Blobs; 029import org.nuxeo.ecm.core.api.CloseableFile; 030import org.nuxeo.ecm.core.api.blobholder.BlobHolder; 031import org.nuxeo.ecm.core.convert.api.ConversionException; 032import org.nuxeo.ecm.core.convert.cache.SimpleCachableBlobHolder; 033import org.nuxeo.ecm.core.convert.extension.Converter; 034import org.nuxeo.ecm.core.convert.extension.ConverterDescriptor; 035import org.nuxeo.ecm.platform.commandline.executor.api.CmdParameters; 036import org.nuxeo.ecm.platform.commandline.executor.api.CommandAvailability; 037import org.nuxeo.ecm.platform.commandline.executor.api.CommandException; 038import org.nuxeo.ecm.platform.commandline.executor.api.CommandLineExecutorService; 039import org.nuxeo.ecm.platform.commandline.executor.api.CommandNotAvailable; 040import org.nuxeo.ecm.platform.commandline.executor.api.ExecResult; 041import org.nuxeo.runtime.api.Framework; 042 043public class DeckJSPDFConverter implements Converter { 044 045 @Override 046 public BlobHolder convert(BlobHolder blobHolder, Map<String, Serializable> parameters) throws ConversionException { 047 CommandLineExecutorService cles = Framework.getLocalService(CommandLineExecutorService.class); 048 CommandAvailability commandAvailability = cles.getCommandAvailability(DeckJSConverterConstants.PHANTOM_JS_COMMAND_NAME); 049 if (!commandAvailability.isAvailable()) { 050 return null; 051 } 052 Blob blob = blobHolder.getBlob(); 053 File jsFile = null; 054 try (CloseableFile inputFile = blob.getCloseableFile(".html")) { 055 jsFile = File.createTempFile("phantomJsScript", ".js"); 056 try (InputStream is = TemplateBundleActivator.getResourceAsStream(DeckJSConverterConstants.DECK_JS2PDF_JS_SCRIPT_PATH)) { 057 Files.copy(is, jsFile.toPath(), StandardCopyOption.REPLACE_EXISTING); 058 } 059 Blob pdfOutput = Blobs.createBlobWithExtension(".pdf"); 060 pdfOutput.setMimeType("application/pdf"); 061 CmdParameters params = cles.getDefaultCmdParameters(); 062 params.addNamedParameter("jsFilePath", jsFile); 063 params.addNamedParameter("inFilePath", inputFile.getFile()); 064 params.addNamedParameter("outFilePath", pdfOutput.getFile()); 065 ExecResult res = cles.execCommand("phantomjs", params); 066 if (!res.isSuccessful()) { 067 throw res.getError(); 068 } 069 return new SimpleCachableBlobHolder(pdfOutput); 070 } catch (CommandNotAvailable | IOException | CommandException e) { 071 throw new ConversionException("PDF conversion failed", e); 072 } finally { 073 org.apache.commons.io.FileUtils.deleteQuietly(jsFile); 074 } 075 } 076 077 @Override 078 public void init(ConverterDescriptor descriptor) { 079 } 080 081}