openOffice和SWFTools 在线浏览

简单介绍一下以下代码整体思路 ：

1：为实现在线浏览阅读文档内容，首先要转换office 文档成pdf格式，在转换成swf，返回swf流就能实现在线浏览器形式阅读（图片可直接返回流，不用转换）

2：该代码未编写完全（要转换的类型未编写，写了个大概），只实现了我所用的需求，同时转换返回是否成功转换状态。

3：该代码实现了自动启动服务，无需担心关机重启服务忘记开启转换不了的情况（配置文件需要放在根目录下）

package com.mw.usims.fts.util;
import com.artofsolving.jodconverter.DocumentConverter;
import com.artofsolving.jodconverter.openoffice.connection.OpenOfficeConnection;
import com.artofsolving.jodconverter.openoffice.connection.SocketOpenOfficeConnection;
import com.artofsolving.jodconverter.openoffice.converter.OpenOfficeDocumentConverter;
import com.ml.cs.Server;
import org.apache.log4j.Logger;
import org.apache.poi.ss.formula.functions.T;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

import java.io.*;
import java.net.ConnectException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.concurrent.*;

/**
* Created by LiAnAn on 2015/6/11.
*/
public class NewFileConvertUtil implements Callable<Integer> {
private static Logger log = Logger.getLogger(NewFileConvertUtil.class);
private File inputFile;
private File outputFile;
private int success = -1; // 0：成功 else 失败
private String endType;
private String beginType;
private static boolean isStartServer = false;
private static final String processName = "soffice.exe";
private static String SWFTools_HOME;
private static String openOffice_INSTALL_PATH;
public NewFileConvertUtil(File inputFile,File outputFile,ConvertType type){
initializeConfig();
this.inputFile = inputFile;
this.outputFile = outputFile;
this.beginType = getType(type.toString(), SubStringType.PREFIX);
this.endType = getType(type.toString(), SubStringType.SUFFIX);
}

/**
* 初始化配置
*/
private void initializeConfig(){
if(null==SWFTools_HOME || null==openOffice_INSTALL_PATH){
SAXReader reader = new SAXReader();
String filePath = this.getClass().getResource("/")+"install-path-config.xml";
//String filePath = Server.getContext().getServerHome().getAbsolutePath()+"install-path-config.xml";
Document document = null;
try {
document = reader.read(filePath);
Element element = document.getRootElement();
openOffice_INSTALL_PATH = element.elementText("openOffice");
SWFTools_HOME = element.elementText("SWFTools");
} catch (DocumentException e) {
e.printStackTrace();
}

}
}

public NewFileConvertUtil(File inputFile,File outputFile){
initializeConfig();
this.inputFile = inputFile;
this.outputFile = outputFile;
this.beginType = getFileType(inputFile);
this.endType = getFileType(outputFile);
}

private String getType(String type,SubStringType subStringType){
int len = type.indexOf("_");
if(SubStringType.PREFIX.equals(subStringType)){
return type.substring(0,len);
}
if(SubStringType.SUFFIX.equals(subStringType)){
return type.substring(len + 1, type.length());
}
return null;
}

@Override
public Integer call() throws Exception {
run();
return this.success;
}

enum SubStringType{
PREFIX,
SUFFIX;
}

enum  ConvertType{
DOT_PDF,
HTML_PDF,
PPTX_PDF,
DOCX_PDF,
TXT_PDF,
XLSX_PDF,
DOC_PDF,
PDF_SWF;
}

private boolean startSofficeProcess(){
if(!isStartServer) {
if (!isExistSofficeProcess()) {
log.info("********************start soffice.exe process begin******************");
String command = openOffice_INSTALL_PATH + "\\program\\soffice.exe -headless -accept=\"socket,host=127.0.0.1,port=8100;urp;\"";
try {
log.info("Execute command"+command);
Process pro = Runtime.getRuntime().exec(command);
} catch (IOException e) {
log.info("启动soffice.exe进程异常：（提示：异常1,配置openOffice安装目录异常；异常2，本机未安装openOffice应用程序;异常3，该文件类型不支持转换）", e) ;
return false;
}
log.info("********************start soffice.exe process end******************");
}
}
return true;
}

private boolean isExistSofficeProcess(){
String[] command = new String[]{"cmd.exe", "/C","wmic process get name" };
int a=0;
try {
log.info("******* 获取所有进程名称判断soffice.exe是否存在 begin *******");
Process pro = Runtime.getRuntime().exec(command);
InputStream inputStream = pro.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(inputStream));
String temp;
while((temp=br.readLine())!=null){
if(processName.equals(temp.trim())){
isStartServer = true;
a=1;
break;
}
}
if(null!=br)br.close();
if(null!=inputStream)inputStream.close();

} catch (IOException e) {
log.error("获取所有进程名判断是否存在soffice.exe异常：",e);
}
if(a==1){
log.info("soffice.exe进程已存在，无需重新创建！");
}else{
log.info("创建soffice.exe进程成功！");
}
log.info("******* 获取所有进程名称判断soffice.exe是否存在 end *******");
return isStartServer;
}

void convertPDF(){
log.info("********************* 转换文件开始********************");
if(startSofficeProcess()) {
OpenOfficeConnection connection;
try {
connection = new SocketOpenOfficeConnection(8100);
if(!connection.isConnected()) {
connection.connect();
}
DocumentConverter converter = new OpenOfficeDocumentConverter(connection);
converter.convert(inputFile, outputFile);
} catch (ConnectException ce) {
log.error(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date())+"--转换文件异常：",ce);
return;
}
success = 0;
connection.disconnect();
}
log.info("********************* 转换文件结束********************");
}

void convertSWF() throws IOException {
if(!outputFile.exists()){
if(outputFile.isDirectory() || !inputFile.exists()){
return;
}
if(outputFile.isFile()){
outputFile.createNewFile();
}
}
if(!inputFile.exists()){
return ;
}
log.info("************* "+beginType+" begin*********************");
String command = SWFTools_HOME + "\\pdf2swf.exe " + inputFile.getAbsolutePath() + " -o " + outputFile.getAbsolutePath() + " -T 9  ";
log.info("Execute command:"+command);
Process pro = Runtime.getRuntime().exec(command);
try {
pro.waitFor();
} catch (InterruptedException e) {
log.error("转换swf异常(提示：异常1，SWFTolls程序未安装；异常2，SWFTools安装目录未配置)：",e);
}
log.info("************* "+beginType+"转换swf end*********************");
success = pro.exitValue();
}

/**
* 删除目录下所有文件、目录以及目录下文件
* @param file
* @return
*/
public static boolean removeFile(File file){
if(file.isDirectory()){
String[] strings = file.list();
for(int i=0;i<strings.length;i++){
boolean success = removeFile(new File(file,strings[i]));
if(!success){
return false;
}
}
}
file.delete();
return true;
}

/**
* 获取大写的文件后缀名
* @param file
* @return
*/
private String getFileType(File file){
String fileName = file.getName();
return fileName.substring(fileName.lastIndexOf(".")+1,fileName.length()).toUpperCase();
}

public synchronized void run() {
try {
Thread.sleep(10000);
if(endType!=null){
if("PDF".equals(endType)) {
convertPDF();
}
if("PDF".equals(beginType) && "SWF".equals(endType)){
convertSWF();
}
}else{
log.info("转换的文件类型和ConvertType不匹配，无法转换程序停止运行");
return;
}
} catch (InterruptedException e) {
log.error("转换pdf异常：",e);
} catch (IOException e) {
log.error("转换SWF异常：",e);
}
}

public static List<Integer> execute(List<NewFileConvertUtil> task){
ExecutorService exec = Executors.newCachedThreadPool();
ArrayList<Future<Integer>> list = new ArrayList<>(task.size());
for(int i=0;i<task.size();i++){
list.add(exec.submit(task.get(i)));
}
ArrayList<Integer> results = new ArrayList<>(task.size());
for(Future<Integer> fs : list){
try {
results.add(fs.get().intValue());
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
}
if(!exec.isShutdown()){
exec.shutdown();
}
return results;
}

public static Integer execute(File inputFile,File outputFile) {
ExecutorService exec = Executors.newCachedThreadPool();
NewFileConvertUtil convert = new NewFileConvertUtil(inputFile,outputFile);
Future<Integer> fs = exec.submit(convert);

try {
return fs.get();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}finally {
if(!exec.isShutdown()){
exec.shutdown();
}
}
return -1;
}

public static void main(String arg0[]) throws Exception {
ExecutorService exec = Executors.newCachedThreadPool();
NewFileConvertUtil convert = new NewFileConvertUtil(new File("E:\\51job_宋庆亨(86307153).doc"),new File("E://123456.pdf"));
Future fs = exec.submit(convert);
System.out.println(fs.get());
if(!exec.isShutdown()){
exec.shutdown();
}

}
}

下面是配置文件，放到根目录下，会自动加载

<?xml version="1.0" encoding="UTF-8"?>
<main>
<common>程序安装路径配置</common>
<openOffice>C:\Program Files (x86)\OpenOffice 4</openOffice>
<SWFTools>C:\Program Files (x86)\SWFTools</SWFTools>

</main>