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.IOException; 023import java.io.Serializable; 024import java.nio.file.Files; 025import java.nio.file.Path; 026import java.nio.file.Paths; 027import java.util.List; 028import java.util.Map; 029 030import org.apache.commons.io.FileUtils; 031import org.apache.logging.log4j.LogManager; 032import org.apache.logging.log4j.Logger; 033import org.nuxeo.ecm.core.api.blobholder.BlobHolder; 034import org.nuxeo.ecm.core.convert.api.ConversionException; 035import org.nuxeo.ecm.platform.commandline.executor.api.CmdParameters; 036import org.nuxeo.runtime.api.Framework; 037 038/** 039 * LibreOffice converter to be used when using the {@code soffice} command line. 040 * <p> 041 * It fills the {@code -env:userInstallation} argument with a temporary folder to correctly isolate the {@code soffice} 042 * processes so multiple instances can be run simultaneously. 043 * 044 * @since 10.10 045 */ 046public class LibreOfficeConverter extends CommandLineConverter { 047 048 public static final String USER_INSTALLATION_PATH_KEY = "userInstallation"; 049 050 private static final Logger log = LogManager.getLogger(LibreOfficeConverter.class); 051 052 @Override 053 protected Map<String, String> getCmdStringParameters(BlobHolder blobHolder, Map<String, Serializable> parameters) { 054 Map<String, String> cmdStringParameters = super.getCmdStringParameters(blobHolder, parameters); 055 056 // create a temporary folder for the user installation env 057 try { 058 Path tempDirectoryPath = Framework.createTempDirectory(null); 059 // the -env:userInstallation expects an URI (file:///tmp/foo) 060 cmdStringParameters.put(USER_INSTALLATION_PATH_KEY, tempDirectoryPath.toUri().toString()); 061 } catch (IOException e) { 062 throw new ConversionException(e); 063 } 064 065 return cmdStringParameters; 066 } 067 068 @Override 069 protected BlobHolder buildResult(List<String> cmdOutput, CmdParameters cmdParams) { 070 try { 071 return super.buildResult(cmdOutput, cmdParams); 072 } finally { 073 // delete the temp folder 074 String userInstallationPath = cmdParams.getParameter(USER_INSTALLATION_PATH_KEY); 075 if (userInstallationPath != null) { 076 deleteTempDirectory(userInstallationPath); 077 } 078 } 079 } 080 081 private void deleteTempDirectory(String tempPath) { 082 Path path = Paths.get(tempPath); 083 if (!Files.exists(path)) { 084 return; 085 } 086 087 try { 088 FileUtils.deleteDirectory(path.toFile()); 089 } catch (IOException e) { 090 log.error(e); 091 log.debug(e, e); 092 } 093 } 094}