package com.vincent.rsf.server.common.utils;
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import com.vincent.rsf.framework.common.Cools;
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import org.artofsolving.jodconverter.OfficeDocumentConverter;
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import org.artofsolving.jodconverter.office.DefaultOfficeManagerConfiguration;
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import org.artofsolving.jodconverter.office.OfficeManager;
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import java.io.File;
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import java.util.Arrays;
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import java.util.Base64;
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/**
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* OpenOfficeUtil
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*
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* @author vincent
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* @since 2018-12-14 08:38:19
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*/
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public class OpenOfficeUtil {
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// 支持转换pdf的文件后缀列表
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private static final String[] CAN_CONVERTER_FILES = new String[]{
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"doc", "docx", "xls", "xlsx", "ppt", "pptx"
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};
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/**
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* 文件转pdf
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*
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* @param filePath 源文件路径
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* @param outDir 输出目录
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* @param officeHome OpenOffice安装路径
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* @return File
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*/
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public static File converterToPDF(String filePath, String outDir, String officeHome) {
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return converterToPDF(filePath, outDir, officeHome, true);
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}
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/**
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* 文件转pdf
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*
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* @param filePath 源文件路径
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* @param outDir 输出目录
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* @param officeHome OpenOffice安装路径
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* @param cache 是否使用上次转换过的文件
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* @return File
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*/
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public static File converterToPDF(String filePath, String outDir, String officeHome, boolean cache) {
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if (Cools.isEmpty(filePath)) {
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return null;
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}
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File srcFile = new File(filePath);
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if (!srcFile.exists()) {
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return null;
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}
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// 是否转换过
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String outPath = Base64.getEncoder().encodeToString(filePath.getBytes())
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.replace("/", "-").replace("+", "-");
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File outFile = new File(outDir, outPath + ".pdf");
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if (cache && outFile.exists()) {
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return outFile;
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}
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// 转换
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OfficeManager officeManager = null;
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try {
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officeManager = getOfficeManager(officeHome);
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OfficeDocumentConverter converter = new OfficeDocumentConverter(officeManager);
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return converterFile(srcFile, outFile, converter);
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} catch (Exception e) {
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e.printStackTrace();
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} finally {
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if (officeManager != null) {
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officeManager.stop();
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}
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}
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return null;
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}
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/**
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* 转换文件
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*
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* @param inFile 源文件
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* @param outFile 输出文件
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* @param converter OfficeDocumentConverter
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* @return File
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*/
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public static File converterFile(File inFile, File outFile, OfficeDocumentConverter converter) {
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if (!outFile.getParentFile().exists()) {
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if (!outFile.getParentFile().mkdirs()) {
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return outFile;
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}
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}
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converter.convert(inFile, outFile);
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return outFile;
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}
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/**
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* 判断文件后缀是否可以转换pdf
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*
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* @param path 文件路径
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* @return boolean
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*/
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public static boolean canConverter(String path) {
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try {
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String suffix = path.substring(path.lastIndexOf(".") + 1);
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return Arrays.asList(CAN_CONVERTER_FILES).contains(suffix);
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} catch (Exception e) {
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return false;
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}
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}
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/**
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* 连接并启动OpenOffice
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*
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* @param officeHome OpenOffice安装路径
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* @return OfficeManager
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*/
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public static OfficeManager getOfficeManager(String officeHome) {
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if (officeHome == null || officeHome.trim().isEmpty()) return null;
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DefaultOfficeManagerConfiguration config = new DefaultOfficeManagerConfiguration();
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config.setOfficeHome(officeHome); // 设置OpenOffice安装目录
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OfficeManager officeManager = config.buildOfficeManager();
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officeManager.start(); // 启动OpenOffice服务
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return officeManager;
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}
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}
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