package util.DocConvertUtil;



import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.channels.FileChannel;
import java.util.regex.Pattern;

import org.artofsolving.jodconverter.OfficeDocumentConverter;
import org.artofsolving.jodconverter.office.DefaultOfficeManagerConfiguration;
import org.artofsolving.jodconverter.office.OfficeManager;

import util.FileUtils2;
import util.ReadProperties;

/**
 * 这是一个工具类,主要是为了使Office2003-2007全部格式的文档(.doc|.docx|.xls|.xlsx|.ppt|.pptx)
 * 转化为pdf文件<br>
 * Office2010的没测试<br>
 * 
 * @date 2017年03月03日
 * @author jjc
 * 
 */
public class Office2PDF {
 /**
 * 使Office2003-2007全部格式的文档(.doc|.docx|.xls|.xlsx|.ppt|.pptx) 转化为pdf文件<br>
 * 
 * @param inputFilePath
 * 源文件路径,如:"e:/test.docx"
 * @return
 */
 public static File openOfficeToPDF(String inputFilePath,String outputFilePath) { 	 
 	 return office2pdf(inputFilePath,outputFilePath);
 }

 /**
 * 根据操作系统的名称,获取OpenOffice.org 3的安装目录<br>
 * 如我的OpenOffice.org 3安装在:C:/Program Files (x86)/OpenOffice.org 3<br>
 * 
 * @return OpenOffice.org 3的安装目录
 */
 public static String getOfficeHome() {
 	//get OpenOffice Home From Config File
 	String officeHome = null;
 String osName = System.getProperty("os.name");
 System.out.println("操作系统名称:" + osName);
 
 if (Pattern.matches("Linux.*", osName)) 
 {
 	officeHome = ReadProperties.read("docSysConfig.properties", "openOfficePathForLinux");
 } 
 else if (Pattern.matches("Windows.*", osName)) 
 {
 	officeHome = ReadProperties.read("docSysConfig.properties", "openOfficePathForWindows");
 } 
 else if (Pattern.matches("Mac.*", osName)) 
 {
 	officeHome = ReadProperties.read("docSysConfig.properties", "openOfficePathForMac");
 }
 else
 {
 	officeHome = ReadProperties.read("docSysConfig.properties", "openOfficePath"); 	
 }

 System.out.println("officeHome:" + officeHome);
 	if(officeHome == null || "".equals(officeHome))
 	{
 		return getDefaultOfficeHome();
 	}
 	return officeHome;
 }

 private static String getDefaultOfficeHome() 
 {
 String osName = System.getProperty("os.name");
 System.out.println("操作系统名称:" + osName);
 if (Pattern.matches("Linux.*", osName)) 
 {
 return "/opt/openoffice.org4";
 } 
 else if (Pattern.matches("Windows.*", osName)) 
 {
 return "C:/Program Files (x86)/OpenOffice 4";
 } 
 else if (Pattern.matches("Mac.*", osName)) 
 {
 return "/Applications/OpenOffice.org.app/Contents/";
 }
 return null;
 }

 /**
 * 连接OpenOffice.org 并且启动OpenOffice.org
 * 
 * @return
 */
 public static OfficeManager getOfficeManager() {
 DefaultOfficeManagerConfiguration config = new DefaultOfficeManagerConfiguration();
 // 设置OpenOffice.org 3的安装目录
 config.setOfficeHome(getOfficeHome());
 // 启动OpenOffice的服务
 OfficeManager officeManager = config.buildOfficeManager();
 officeManager.start();
 return officeManager;
 }

 /**
 * 转换文件
 * 
 * @param inputFile
 * @param outputFilePath_end
 * @param inputFilePath
 * @param outputFilePath
 * @param converter
 */
 public static File converterFile(File inputFile, String outputFilePath_end, String inputFilePath,
 OfficeDocumentConverter converter) {
 File outputFile = new File(outputFilePath_end);
 // 假如目标路径不存在,则新建该路径
 if (!outputFile.getParentFile().exists()) {
 outputFile.getParentFile().mkdirs();
 }
 converter.convert(inputFile, outputFile);
 System.out.println("文件:" + inputFilePath + "\n转换为\n目标文件:" + outputFile + "\n成功!");
 return outputFile;
 }

 /**
 * 使Office2003-2007全部格式的文档(.doc|.docx|.xls|.xlsx|.ppt|.pptx) 转化为pdf文件<br>
 * 
 * @param inputFilePath
 * 源文件路径,如:"e:/test.docx"
 * @param outputFilePath 
 * @param outputFilePath
 * 目标文件路径,如:"e:/test_docx.pdf"
 * @return
 */
 public static File office2pdf(String inputFilePath, String outputFilePath) {
 OfficeManager officeManager = null;
 try {
 if (inputFilePath == null || "".equals(inputFilePath)) {
 System.out.println("office2pdf() 输入文件地址为空,转换终止!");
 return null;
 }

 File inputFile = new File(inputFilePath);

 if (!inputFile.exists()) {
 System.out.println("office2pdf() 输入文件不存在,转换终止!");
 return null;
 }

 // 获取OpenOffice的安装路劲
 officeManager = getOfficeManager();
 // 连接OpenOffice
 OfficeDocumentConverter converter = new OfficeDocumentConverter(officeManager);

 return converterFile(inputFile, outputFilePath, inputFilePath, converter);
 } catch (Exception e) {
 System.out.println("office2pdf() 转换终止异常!");
 e.printStackTrace();
 } finally {
 // 停止openOffice
 if (officeManager != null) {
 officeManager.stop();
 }
 }
 return null;
 }

 /**
 * 获取inputFilePath的后缀名,如:"e:/test.pptx"的后缀名为:"pptx"<br>
 * 
 * @param inputFilePath
 * @return
 */
 public static String getPostfix(String inputFilePath) {
 return inputFilePath.substring(inputFilePath.lastIndexOf(".") + 1);
 }

}