001/* 002 * (C) Copyright 2018 Nuxeo (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Thomas Roger 018 */ 019 020package org.nuxeo.ecm.platform.convert.plugins; 021 022import java.io.File; 023import java.io.IOException; 024import java.io.Serializable; 025import java.net.URI; 026import java.net.URISyntaxException; 027import java.nio.file.Files; 028import java.nio.file.Path; 029import java.util.List; 030import java.util.Map; 031 032import org.apache.commons.io.FileUtils; 033import org.apache.logging.log4j.LogManager; 034import org.apache.logging.log4j.Logger; 035import org.nuxeo.ecm.core.api.blobholder.BlobHolder; 036import org.nuxeo.ecm.core.convert.api.ConversionException; 037import org.nuxeo.ecm.platform.commandline.executor.api.CmdParameters; 038import org.nuxeo.runtime.api.Framework; 039 040/** 041 * LibreOffice converter to be used when using the {@code soffice} command line. 042 * <p> 043 * It fills the {@code -env:userInstallation} argument with a temporary folder to correctly isolate the {@code soffice} 044 * processes so multiple instances can be run simultaneously. 045 * 046 * @since 10.10 047 */ 048public class LibreOfficeConverter extends CommandLineConverter { 049 050 public static final String USER_INSTALLATION_PATH_KEY = "userInstallation"; 051 052 private static final Logger log = LogManager.getLogger(LibreOfficeConverter.class); 053 054 @Override 055 protected Map<String, String> getCmdStringParameters(BlobHolder blobHolder, Map<String, Serializable> parameters) { 056 Map<String, String> cmdStringParameters = super.getCmdStringParameters(blobHolder, parameters); 057 058 // create a temporary folder for the user installation env 059 try { 060 Path tempDirectoryPath = Framework.createTempDirectory(null); 061 // the -env:userInstallation expects an URI (file:///tmp/foo) 062 cmdStringParameters.put(USER_INSTALLATION_PATH_KEY, tempDirectoryPath.toUri().toString()); 063 } catch (IOException e) { 064 throw new ConversionException(blobHolder, e); 065 } 066 067 return cmdStringParameters; 068 } 069 070 @Override 071 protected BlobHolder buildResult(List<String> cmdOutput, CmdParameters cmdParams) { 072 try { 073 return super.buildResult(cmdOutput, cmdParams); 074 } finally { 075 // delete the temp folder 076 String userInstallationPath = cmdParams.getParameter(USER_INSTALLATION_PATH_KEY); 077 if (userInstallationPath != null) { 078 deleteTempDirectory(userInstallationPath); 079 } 080 } 081 } 082 083 private void deleteTempDirectory(String tempFileURI) { 084 try { 085 // tempFileURI is an URI (file:///tmp/foo) 086 URI uri = new URI(tempFileURI); 087 File file = new File(uri); 088 if (!Files.exists(file.toPath())) { 089 return; 090 } 091 FileUtils.deleteDirectory(file); 092 } catch (IOException | URISyntaxException e) { 093 log.error(e); 094 log.debug(e, e); 095 } 096 } 097}