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package org.springblade.mdm.program.service;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.codec.digest.DigestUtils;
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import org.apache.commons.io.FileUtils;
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import org.apache.commons.lang3.StringUtils;
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import org.springblade.core.log.exception.ServiceException;
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import org.springblade.core.mp.base.BizServiceImpl;
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import org.springblade.core.redis.cache.BladeRedis;
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import org.springblade.core.secure.utils.AuthUtil;
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import org.springblade.core.tool.utils.Func;
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import org.springblade.mdm.basesetting.machine.service.MachineService;
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import org.springblade.mdm.basesetting.machine.entity.Machine;
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import org.springblade.mdm.machinefile.entity.FileSendRecord;
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import org.springblade.mdm.machinefile.service.FileSendRecordService;
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import org.springblade.mdm.program.entity.NcProgramExchange;
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import org.springblade.mdm.program.mapper.NcProgramExchangeMapper;
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import org.springblade.mdm.program.service.programannotation.AnnotationProperties;
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import org.springblade.mdm.program.vo.MdmProgramImportVO;
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import org.springblade.mdm.utils.FileContentUtil;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.web.multipart.MultipartFile;
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import java.io.*;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.time.Duration;
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import java.util.*;
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import java.nio.file.*;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipInputStream;
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/**
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* MDM程序导入（工控网功能）
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* 目前工控网展现形式未定，暂时实现暂停
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* @author yangys
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*/
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@Slf4j
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@Service
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public class MdmProgramImportService extends BizServiceImpl<NcProgramExchangeMapper, NcProgramExchange> {
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@Autowired
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private BladeRedis bladeRedis;
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@Autowired
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private ProgramAnnotationService programAnnotationService;
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@Autowired
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private MachineService machineService;
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@Autowired
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private FileSendRecordService fileSendRecordService;
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private String getFileKey(){
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return "mdmgkwimpfile-"+ AuthUtil.getUserId();
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}
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/**
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* 工控MDM导入文件上传
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* @param file MDM涉密网导出文件
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* @return
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*/
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public List<MdmProgramImportVO> mdmImportUpload(MultipartFile file) {
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List<MdmProgramImportVO> list = new ArrayList<>();
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try {
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if(file == null || file.isEmpty()){
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throw new ServiceException("文件为空");
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}
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if(!StringUtils.endsWith(file.getOriginalFilename(),".zip")){
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throw new ServiceException("文件必须为zip包");
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}
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String tempDir = System.getProperty("java.io.tmpdir");
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Path tempPath = Paths.get(tempDir);
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// 创建解压目标目录（在临时目录下创建一个唯一子目录）
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Path tempZipFile = Files.createTempFile("mdmimpfile-"+System.currentTimeMillis(), ".zip");
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file.transferTo(tempZipFile);
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// 创建解压目标目录（在临时目录下创建一个唯一子目录）
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Path extractDir = Files.createTempDirectory(tempPath, "unzip_");
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bladeRedis.setEx(getFileKey(),extractDir.toString(), Duration.ofHours(2));
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extractZipToTempDir(tempZipFile,extractDir);
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//读取文件目录
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list = readTempDir(extractDir);
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} catch (IOException e) {
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log.error("导入涉密网摆渡文件失败",e);
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throw new ServiceException("解析DNC回传数据失败");
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}
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return list;
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}
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public void extractZipToTempDir(Path zipFilePath,Path extractDir) throws IOException {
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// 获取系统临时目录
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String tempDir = System.getProperty("java.io.tmpdir");
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Path tempPath = Paths.get(tempDir);
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// 创建解压目标目录（在临时目录下创建一个唯一子目录）
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try (InputStream fis = Files.newInputStream(zipFilePath);
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ZipInputStream zis = new ZipInputStream(fis)) {
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ZipEntry zipEntry = zis.getNextEntry();
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while (zipEntry != null) {
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Path newPath = zipSlipProtect(zipEntry, extractDir);
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if (zipEntry.isDirectory()) {
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Files.createDirectories(newPath);
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} else {
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// 确保父目录存在
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if (newPath.getParent() != null) {
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Files.createDirectories(newPath.getParent());
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}
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// 写入文件
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try (OutputStream fos = Files.newOutputStream(newPath)) {
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byte[] buffer = new byte[1024];
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int len;
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while ((len = zis.read(buffer)) > 0) {
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fos.write(buffer, 0, len);
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}
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}
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}
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zipEntry = zis.getNextEntry();
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}
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zis.closeEntry();
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}
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}
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/**
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* 防止ZIP Slip攻击
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* @param zipEntry
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* @param targetDir
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* @return
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* @throws IOException
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*/
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Path zipSlipProtect(ZipEntry zipEntry, Path targetDir) throws IOException {
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Path targetDirResolved = targetDir.resolve(zipEntry.getName());
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// 规范化路径
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Path normalizePath = targetDirResolved.normalize();
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if (!normalizePath.startsWith(targetDir)) {
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throw new IOException("恶意ZIP条目: " + zipEntry.getName());
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}
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return normalizePath;
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}
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public List<MdmProgramImportVO> readTempDir(Path extractDir) throws IOException {
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List<MdmProgramImportVO> list = new ArrayList<>();
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//List<Machine> machines = machineService.getEnableMachines();
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//读取所有文件夹
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try (DirectoryStream<Path> stream = Files.newDirectoryStream(extractDir)) {
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for (Path path : stream) {
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if (Files.isDirectory(path)) {
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// 如果是子目录，读取其中的文件
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try (DirectoryStream<Path> subStream = Files.newDirectoryStream(path)) {
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for (Path subPath : subStream) {
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if (Files.isRegularFile(subPath)) {
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System.out.println("找到文件: " + subPath);
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}
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}
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}
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} else if (Files.isRegularFile(path)) {
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System.out.println("找到文件2: " + path);
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//这里 找到的文件不是
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MdmProgramImportVO vo = new MdmProgramImportVO();
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vo.setFilename(path.getFileName().toString());
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vo.setDrawingNo(parseDrawingNo(vo.getFilename()));
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try (InputStream inputStream = Files.newInputStream(path)) {
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// 使用输入流读取文件内容
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byte[] buffer = new byte[2000];
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inputStream.read(buffer);
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vo.setMd5(DigestUtils.md5Hex(buffer));
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} catch (IOException e) {
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log.error("读取文件md5失败",e);
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}
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try (InputStream inputStream = Files.newInputStream(path, StandardOpenOption.READ)) {
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// 使用输入流读取文件内容
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ByteArrayInputStream bas = new ByteArrayInputStream(inputStream.readAllBytes());
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AnnotationProperties defAnnoProperties = AnnotationProperties.getDefault();
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String sendPathLine = FileContentUtil.readLineAt(bas,defAnnoProperties.getSendPathLineIndex());
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//bas.mark(0);
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bas.reset();
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String statusLine = FileContentUtil.readLineAt(bas,defAnnoProperties.getStatusLineIndex());
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log.info("sendPathLine={}", sendPathLine);
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Machine matchedMachine = machineService.getMachineBySendPathAnnotation(sendPathLine);
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/*
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for (Machine machine : machines) {
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if(Func.isNotBlank(machine.getProgSendDir()) && sendPathLine.contains(machine.getProgSendDir())){
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matchedMachine = machine;
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break;
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}
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}
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*/
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if (matchedMachine != null) {
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vo.setName(parseProgramName(vo.getFilename()));
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vo.setMachineCode(matchedMachine.getCode());
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vo.setFullPath(path.toString());//文件地址
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vo.setSendPath(matchedMachine.getProgSendDir());
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vo.setId(vo.getFullPath());
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vo.setProgramStatus(programAnnotationService.removeAnnotation(matchedMachine.getControlSystem(),statusLine));
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list.add(vo);
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}
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} catch (IOException e) {
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log.error("读取文件md5失败",e);
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}
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}
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}
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}
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return list;
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}
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/**
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* 解析出零组件好
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* @param filename
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* @return
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*/
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String parseDrawingNo(String filename){
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String drawingNo = "";
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int idx = filename.lastIndexOf("-");
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String temp;
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if(idx != -1){
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temp = filename.substring(0,idx);
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idx = temp.lastIndexOf("-");
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if(idx != -1){
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temp = temp.substring(0,idx);
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//去掉工序版次
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idx = temp.lastIndexOf("-");
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if(idx != -1){
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temp = temp.substring(0,idx);
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//去掉工序号
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idx = temp.lastIndexOf("-");
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if(idx != -1){
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drawingNo = temp.substring(0,idx);
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}
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}
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}
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//以上去掉了最后2段段数和段号
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}
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return drawingNo;
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}
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String parseProgramName(String filename){
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String programName = "";
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int idx = filename.lastIndexOf("-");
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String temp;
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if(idx != -1){
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temp = filename.substring(0,idx);
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idx = temp.lastIndexOf("-");
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if(idx != -1){
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temp = temp.substring(0,idx);
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//去掉工序版次
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idx = temp.lastIndexOf("-");
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if(idx != -1){
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programName = temp.substring(0,idx);
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}
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}
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//以上去掉了最后2段段数和段号
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}
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return programName;
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}
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/**
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* 入库mdm涉密网文件
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* @param ids id列表逗号分隔
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* @return
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*/
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public void mdmFileAccept(String ids) throws IOException {
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List<String> idList = Func.toStrList(ids);
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String dictStr = bladeRedis.get(getFileKey());
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if(dictStr == null){
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throw new ServiceException("");
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}
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Path extractDir = Paths.get(dictStr);
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List<MdmProgramImportVO> list = readTempDir(extractDir);
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String destFileFull;
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for(String str : idList){
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for(MdmProgramImportVO vo : list){
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if(StringUtils.equals(vo.getFullPath(),str)){
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destFileFull = vo.getSendPath()+File.separator+vo.getFilename();
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File destFile = new File(destFileFull);
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FileUtils.forceMkdirParent(destFile);
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FileUtils.copyFile(new File(str),destFile);
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FileSendRecord record = new FileSendRecord();
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record.setName(destFile.getName());
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Path destPath = Paths.get(destFileFull);
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record.setMachineCode(vo.getMachineCode());
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record.setFileSize(Files.size(destPath));
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fileSendRecordService.save(record);
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break;
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}
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}
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}
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}
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}
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