package com.product.file.util;
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import com.alibaba.druid.util.StringUtils;
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import com.product.core.config.Global;
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import com.product.core.spring.context.SpringMVCContextHolder;
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import com.product.file.config.FileCode;
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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.ExternalOfficeManagerConfiguration;
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import org.artofsolving.jodconverter.office.OfficeException;
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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.Properties;
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import java.util.concurrent.BlockingQueue;
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import java.util.concurrent.LinkedBlockingQueue;
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/**
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* Copyright © 6c
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* @Date: 2021-03-01 13:59
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* @Author: 6c
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* @Description:
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*/
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public class PdfConcurrenceUtil {
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private static BlockingQueue<OfficeManager> officeManagerQueue = new LinkedBlockingQueue<>();
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// 安装地址
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private static String openOfficeHome;
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// 端口号信息，逗号分割
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private static String portInfo;
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// 单个任务执行超时时间，单位：毫秒
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private static long taskTimeout;
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// 单个任务排队超时时间，单位：毫秒
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private static long queueTimeout;
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static {
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SpringMVCContextHolder.getSystemLogger().info("初始化->");
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init();
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}
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private PdfConcurrenceUtil() {}
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/**
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* 初始化转换服务
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*/
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public static void init() {
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SpringMVCContextHolder.getSystemLogger().info("初始化转换服务->");
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openOfficeHome = Global.getSystemConfig("open.office.home","");
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portInfo = Global.getSystemConfig("open.office.port.info","");
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taskTimeout = StringUtils.isEmpty(Global.getSystemConfig("open.office.task.timeout","")) ? 1000 * 60 *5 : Long.parseLong(Global.getSystemConfig("open.office.task.timeout",""));
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queueTimeout = StringUtils.isEmpty(Global.getSystemConfig("open.office.queue.timeout","")) ? 1000 * 60 *5 : Long.parseLong(Global.getSystemConfig("open.office.queue.timeout",""));
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String[] portArr = portInfo.split(",");
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for (String port : portArr) {
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if (StringUtils.isEmpty(port)) {
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continue;
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}
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try {
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OfficeManager officeManager = start(Integer.parseInt(port));
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if (officeManager != null) {
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officeManagerQueue.put(officeManager);
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} else {
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SpringMVCContextHolder.getSystemLogger().error(String.format("端口%s启动失败", port));
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}
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} catch (InterruptedException e) {
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SpringMVCContextHolder.getSystemLogger().error(String.format("%s,port:%s", FileCode.INIT_TRANSFER_SERVER_FAIL.getText(), port) + e.getMessage());
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}
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}
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SpringMVCContextHolder.getSystemLogger().info("当前转换队列中端口数：" + officeManagerQueue.size());
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}
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/**
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* 开启新的openoffice的进程
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* @param port
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* @return
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*/
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private static OfficeManager start(int port) {
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try {
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SpringMVCContextHolder.getSystemLogger().info("curPort: " + port);
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OfficeManager officeManager = reconnect(port);
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if (officeManager == null) {
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DefaultOfficeManagerConfiguration configuration = new DefaultOfficeManagerConfiguration();
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configuration.setOfficeHome(openOfficeHome);
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configuration.setPortNumbers(port);
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configuration.setTaskExecutionTimeout(taskTimeout);
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configuration.setTaskQueueTimeout(queueTimeout);
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SpringMVCContextHolder.getSystemLogger().info( "1.启动"+port);
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officeManager = configuration.buildOfficeManager();
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SpringMVCContextHolder.getSystemLogger().info("2.启动"+port);
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officeManager.start(); // 启动服务
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SpringMVCContextHolder.getSystemLogger().info( "3.启动成功"+ port);
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}
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return officeManager;
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} catch (Exception e) {
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e.printStackTrace();
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SpringMVCContextHolder.getSystemLogger().error(String.format("%s:%s", FileCode.INIT_TRANSFER_SERVER_FAIL.getText(), port) + e.getMessage());
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}
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return null;
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}
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/**
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* 尝试连接openoffice的已存在的服务器
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* @param port
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* @return
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*/
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private static OfficeManager reconnect(int port) {
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try {
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ExternalOfficeManagerConfiguration externalProcessOfficeManager = new ExternalOfficeManagerConfiguration();
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externalProcessOfficeManager.setConnectOnStart(true);
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externalProcessOfficeManager.setPortNumber(port);
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OfficeManager officeManager = externalProcessOfficeManager.buildOfficeManager();
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officeManager.start();
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return officeManager;
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} catch (OfficeException e) {
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e.printStackTrace();
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SpringMVCContextHolder.getSystemLogger().info(String.format("%s,port:%s", FileCode.NO_EXISTS_TRANSFER_PORT.getText(), port));
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return null;
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}
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}
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/**
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* 销毁进程
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*/
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private static void destory() {
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for (OfficeManager officeManager : officeManagerQueue) {
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stop(officeManager);
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}
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}
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/**
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* 使用完需要关闭该进程
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* @param officeManager
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*/
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private static void stop(OfficeManager officeManager) {
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SpringMVCContextHolder.getSystemLogger().info("关闭OpenOffice服务");
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try {
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if (officeManager != null)
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officeManager.stop();
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} catch (Exception e) {
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SpringMVCContextHolder.getSystemLogger().error("关闭OpenOffice服务出错" + e);
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}
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}
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/**
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* 转换pdf
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* @param input
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* @param output
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* @return
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*/
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public static File convertToPdf(String input, String output) {
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File inputFile = null;
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File outFile = null;
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OfficeManager officeManager = null;
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try {
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SpringMVCContextHolder.getSystemLogger().info("从队列中提取转换端口...");
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officeManager = officeManagerQueue.take();
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inputFile = new File(input);
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outFile = new File(output);
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SpringMVCContextHolder.getSystemLogger().info("开始转换文档：" + input + "=>" + output);
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OfficeDocumentConverter converter = new OfficeDocumentConverter(officeManager);
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converter.convert(inputFile, outFile); // 转换文档
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} catch (Exception e) {
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e.printStackTrace();
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SpringMVCContextHolder.getSystemLogger().error("转换文档出错" + e);
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outFile = null;
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} finally {
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SpringMVCContextHolder.getSystemLogger().info("结束转换文档");
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if (officeManager != null) {
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try {
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officeManagerQueue.put(officeManager);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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}
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return outFile;
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}
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}
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