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@@ -1,428 +0,0 @@
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-package com.yudianbank.utils;
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-
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-import com.fasterxml.jackson.core.JsonProcessingException;
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-import com.fasterxml.jackson.databind.ObjectMapper;
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-import com.github.junrar.Archive;
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-import com.github.junrar.exception.RarException;
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-import com.github.junrar.rarfile.FileHeader;
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-import com.google.common.collect.Lists;
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-import com.google.common.collect.Maps;
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-import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
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-import org.apache.commons.compress.archivers.zip.ZipFile;
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-import org.springframework.beans.factory.annotation.Autowired;
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-import org.springframework.beans.factory.annotation.Value;
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-import org.springframework.stereotype.Component;
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-import org.springframework.web.context.request.RequestContextHolder;
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-
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-import java.io.*;
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-import java.util.*;
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-import java.util.concurrent.ExecutorService;
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-import java.util.concurrent.Executors;
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-
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-/**
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- *
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- * @author yudian-it
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- * @date 2017/11/27
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- */
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-@Component
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-public class ZipReader {
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-
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- @Autowired
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- FileUtils fileUtils;
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- @Value("${file.dir}")
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- String fileDir;
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-
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- ExecutorService executors = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
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-
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- /**
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- * 读取压缩文件
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- * 文件压缩到统一目录fileDir下,并且命名使用压缩文件名+文件名因为文件名
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- * 可能会重复(在系统中对于同一种类型的材料压缩文件内的文件是一样的,如果文件名
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- * 重复,那么这里会被覆盖[同一个压缩文件中的不同目录中的相同文件名暂时不考虑])
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- * <b>注:</b>
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- * <p>
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- * 文件名命名中的参数的说明:
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- * 1.archiveName,为避免解压的文件中有重名的文件会彼此覆盖,所以加上了archiveName,因为在ufile中archiveName
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- * 是不会重复的。
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- * 2.level,这里层级结构的列表我是通过一个map来构造的,map的key是文件的名字,值是对应的文件,这样每次向map中
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- * 加入节点的时候都会获取父节点是否存在,存在则会获取父节点的value并将当前节点加入到父节点的childList中(这里利用
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- * 的是java语言的引用的特性)。
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- * </p>
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- * @param filePath
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- */
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- public String readZipFile(String filePath,String fileKey) {
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- String archiveSeparator = "/";
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- Map<String, FileNode> appender = Maps.newHashMap();
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- List imgUrls=Lists.newArrayList();
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- String baseUrl= (String) RequestContextHolder.currentRequestAttributes().getAttribute("baseUrl",0);
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- String archiveFileName = fileUtils.getFileNameFromPath(filePath);
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- try {
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- ZipFile zipFile = new ZipFile(filePath, fileUtils.getFileEncodeUTFGBK(filePath));
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- Enumeration<ZipArchiveEntry> entries = zipFile.getEntries();
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- // 排序
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- entries = sortZipEntries(entries);
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- List<Map<String, ZipArchiveEntry>> entriesToBeExtracted = Lists.newArrayList();
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- while (entries.hasMoreElements()){
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- ZipArchiveEntry entry = entries.nextElement();
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- String fullName = entry.getName();
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- int level = fullName.split(archiveSeparator).length;
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- // 展示名
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- String originName = getLastFileName(fullName, archiveSeparator);
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- String childName = level + "_" + originName;
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- boolean directory = entry.isDirectory();
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- if (!directory) {
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- childName = archiveFileName + "_" + originName;
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- entriesToBeExtracted.add(Collections.singletonMap(childName, entry));
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- }
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- String parentName = getLast2FileName(fullName, archiveSeparator, archiveFileName);
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- parentName = (level-1) + "_" + parentName;
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- String type=fileUtils.typeFromUrl(childName);
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- if (type.equalsIgnoreCase("picture")){//添加图片文件到图片列表
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- imgUrls.add(baseUrl+childName);
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- }
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- FileNode node = new FileNode(originName, childName, parentName, new ArrayList<>(), directory,fileKey);
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- addNodes(appender, parentName, node);
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- appender.put(childName, node);
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- }
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- // 开启新的线程处理文件解压
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- executors.submit(new ZipExtractorWorker(entriesToBeExtracted, zipFile, filePath));
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- fileUtils.setRedisImgUrls(fileKey,imgUrls);
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- return new ObjectMapper().writeValueAsString(appender.get(""));
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- } catch (IOException e) {
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- e.printStackTrace();
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- return null;
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- }
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- }
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-
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-
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-
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- /**
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- * 排序zipEntries(对原来列表倒序)
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- * @param entries
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- */
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- private Enumeration<ZipArchiveEntry> sortZipEntries(Enumeration<ZipArchiveEntry> entries) {
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- List<ZipArchiveEntry> sortedEntries = Lists.newArrayList();
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- while(entries.hasMoreElements()){
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- sortedEntries.add(entries.nextElement());
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- }
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- Collections.sort(sortedEntries, Comparator.comparingInt(o -> o.getName().length()));
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- return Collections.enumeration(sortedEntries);
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- }
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-
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- public String unRar(String filePath,String fileKey){
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- Map<String, FileNode> appender = Maps.newHashMap();
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- List imgUrls=Lists.newArrayList();
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- String baseUrl= (String) RequestContextHolder.currentRequestAttributes().getAttribute("baseUrl",0);
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- try {
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- Archive archive = new Archive(new File(filePath));
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- List<FileHeader> headers = archive.getFileHeaders();
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- headers = sortedHeaders(headers);
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- String archiveFileName = fileUtils.getFileNameFromPath(filePath);
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- List<Map<String, FileHeader>> headersToBeExtracted = Lists.newArrayList();
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- for (FileHeader header : headers) {
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- String fullName;
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- if (header.isUnicode()) {
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- fullName = header.getFileNameW();
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- }else {
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- fullName = header.getFileNameString();
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- }
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- // 展示名
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- String originName = getLastFileName(fullName, "\\");
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- String childName = originName;
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- boolean directory = header.isDirectory();
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- if (!directory) {
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- childName = archiveFileName + "_" + originName;
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- headersToBeExtracted.add(Collections.singletonMap(childName, header));
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- }
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- String parentName = getLast2FileName(fullName, "\\", archiveFileName);
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- String type=fileUtils.typeFromUrl(childName);
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- if (type.equalsIgnoreCase("picture")){//添加图片文件到图片列表
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- imgUrls.add(baseUrl+childName);
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- }
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- FileNode node = new FileNode(originName, childName, parentName, new ArrayList<>(), directory,fileKey);
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- addNodes(appender, parentName, node);
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- appender.put(childName, node);
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- }
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- executors.submit(new RarExtractorWorker(headersToBeExtracted, archive, filePath));
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- fileUtils.setRedisImgUrls(fileKey,imgUrls);
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- return new ObjectMapper().writeValueAsString(appender.get(""));
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- } catch (RarException e) {
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- e.printStackTrace();
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- } catch (IOException e) {
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- e.printStackTrace();
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- }
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- return null;
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- }
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-
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- private void addNodes(Map<String, FileNode> appender, String parentName, FileNode node) {
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- if (appender.containsKey(parentName)) {
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- appender.get(parentName).getChildList().add(node);
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- appender.get(parentName).getChildList().sort((final FileNode h1, final FileNode h2) -> h1.getOriginName().compareTo(h2.getOriginName()));//排序
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- }else { // 根节点
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- FileNode nodeRoot = new FileNode(parentName, parentName, "", new ArrayList<>(), true);
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- nodeRoot.getChildList().add(node);
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- appender.put("", nodeRoot);
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- appender.put(parentName, nodeRoot);
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- }
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- }
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-
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- private List<FileHeader> sortedHeaders(List<FileHeader> headers) {
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- List<FileHeader> sortedHeaders = new ArrayList<>();
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- Map<Integer, FileHeader> mapHeaders = new TreeMap<>();
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- headers.forEach(header -> mapHeaders.put(header.getFileNameW().length(), header));
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- for (Map.Entry<Integer, FileHeader> entry : mapHeaders.entrySet()){
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- for (FileHeader header : headers) {
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- if (entry.getKey().intValue() == header.getFileNameW().length()) {
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- sortedHeaders.add(header);
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- }
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- }
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- }
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- return sortedHeaders;
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- }
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-
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- /**
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- * 获取倒数第二个文件(夹)名
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- * @param fullName
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- * @param seperator
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- * 压缩文件解压后,不同的压缩格式分隔符不一样zip是/,而rar是\
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- * @param rootName
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- * 根目录名:如果倒数第二个路径为空,那么赋值为rootName
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- * @return
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- */
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- private static String getLast2FileName(String fullName, String seperator, String rootName) {
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- if (fullName.endsWith(seperator)) {
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- fullName = fullName.substring(0, fullName.length()-1);
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- }
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- // 1.获取剩余部分
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- int endIndex = fullName.lastIndexOf(seperator);
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- String leftPath = fullName.substring(0, endIndex == -1 ? 0 : endIndex);
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- if (null != leftPath && leftPath.length() > 1) {
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- // 2.获取倒数第二个
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- return getLastFileName(leftPath, seperator);
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- }else {
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- return rootName;
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- }
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- }
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-
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- /**
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- * 获取最后一个文件(夹)的名字
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- * @param fullName
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- * @param seperator
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- * 压缩文件解压后,不同的压缩格式分隔符不一样zip是/,而rar是\
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- * @return
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- */
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- private static String getLastFileName(String fullName, String seperator) {
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- if (fullName.endsWith(seperator)) {
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- fullName = fullName.substring(0, fullName.length()-1);
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- }
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- String newName = fullName;
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- if (null != fullName && fullName.contains(seperator)) {
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- newName = fullName.substring(fullName.lastIndexOf(seperator) + 1);
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- }
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- return newName;
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- }
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-
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- /**
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- * 文件节点(区分文件上下级)
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- */
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- public class FileNode{
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-
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- private String originName;
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- private String fileName;
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- private String parentFileName;
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- private boolean directory;
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- private String fileKey;//用于图片预览时寻址
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- private List<FileNode> childList;
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-
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- public FileNode() {
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- }
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-
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- public FileNode(String originName, String fileName, String parentFileName, List<FileNode> childList, boolean directory) {
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- this.originName = originName;
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- this.fileName = fileName;
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- this.parentFileName = parentFileName;
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- this.childList = childList;
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- this.directory = directory;
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- }
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- public FileNode(String originName, String fileName, String parentFileName, List<FileNode> childList, boolean directory,String fileKey) {
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- this.originName = originName;
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- this.fileName = fileName;
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- this.parentFileName = parentFileName;
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- this.childList = childList;
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- this.directory = directory;
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- this.fileKey=fileKey;
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- }
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- public String getFileKey() {
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- return fileKey;
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- }
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-
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- public void setFileKey(String fileKey) {
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- this.fileKey = fileKey;
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- }
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-
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- public String getFileName() {
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- return fileName;
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- }
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-
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- public void setFileName(String fileName) {
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- this.fileName = fileName;
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- }
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-
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- public String getParentFileName() {
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- return parentFileName;
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- }
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-
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- public void setParentFileName(String parentFileName) {
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- this.parentFileName = parentFileName;
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- }
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-
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- public List<FileNode> getChildList() {
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- return childList;
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- }
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-
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- public void setChildList(List<FileNode> childList) {
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- this.childList = childList;
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- }
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-
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- @Override
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- public String toString() {
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- try {
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- return new ObjectMapper().writeValueAsString(this);
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- } catch (JsonProcessingException e) {
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- e.printStackTrace();
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- return "";
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- }
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- }
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-
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- public String getOriginName() {
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- return originName;
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- }
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-
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- public void setOriginName(String originName) {
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- this.originName = originName;
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- }
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-
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- public boolean isDirectory() {
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- return directory;
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- }
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-
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- public void setDirectory(boolean directory) {
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- this.directory = directory;
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- }
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- }
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-
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- /**
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- * Zip文件抽取线程
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- */
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- class ZipExtractorWorker implements Runnable {
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-
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- private List<Map<String, ZipArchiveEntry>> entriesToBeExtracted;
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- private ZipFile zipFile;
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- private String filePath;
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-
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- public ZipExtractorWorker(List<Map<String, ZipArchiveEntry>> entriesToBeExtracted, ZipFile zipFile, String filePath) {
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- this.entriesToBeExtracted = entriesToBeExtracted;
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- this.zipFile = zipFile;
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- this.filePath = filePath;
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- }
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-
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- @Override
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- public void run() {
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- System.out.println("解析压缩文件开始《《《《《《《《《《《《《《《《《《《《《《《");
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- for (Map<String, ZipArchiveEntry> entryMap : entriesToBeExtracted) {
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- String childName = entryMap.keySet().iterator().next();
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- ZipArchiveEntry entry = entryMap.values().iterator().next();
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- try {
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- extractZipFile(childName, zipFile.getInputStream(entry));
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- } catch (IOException e) {
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- e.printStackTrace();
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- }
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- }
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- try {
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- zipFile.close();
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- } catch (IOException e) {
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- e.printStackTrace();
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- }
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- if (new File(filePath).exists()) {
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- new File(filePath).delete();
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- }
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- System.out.println("解析压缩文件结束《《《《《《《《《《《《《《《《《《《《《《《");
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- }
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-
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-
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- /**
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- * 读取压缩文件并写入到fileDir文件夹下
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- * @param childName
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- * @param zipFile
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- */
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- private void extractZipFile(String childName, InputStream zipFile) {
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- String outPath = fileDir + childName;
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- try (OutputStream ot = new FileOutputStream(outPath)){
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- byte[] inByte = new byte[1024];
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- int len;
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- while ((-1 != (len = zipFile.read(inByte)))){
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- ot.write(inByte, 0, len);
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- }
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- } catch (FileNotFoundException e) {
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- e.printStackTrace();
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- } catch (IOException e) {
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- e.printStackTrace();
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- }
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- }
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- }
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-
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- /**
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- * Rar文件抽取
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- */
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- class RarExtractorWorker implements Runnable {
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- private List<Map<String, FileHeader>> headersToBeExtracted;
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- private Archive archive;
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- /**
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- * 用以删除源文件
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- */
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- private String filePath;
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-
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- public RarExtractorWorker(List<Map<String, FileHeader>> headersToBeExtracted, Archive archive, String filePath) {
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- this.headersToBeExtracted = headersToBeExtracted;
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- this.archive = archive;
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- this.filePath = filePath;
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- }
|
|
|
-
|
|
|
- @Override
|
|
|
- public void run() {
|
|
|
- System.out.println("解析压缩文件开始《《《《《《《《《《《《《《《《《《《《《《《");
|
|
|
- for (Map<String, FileHeader> entryMap : headersToBeExtracted) {
|
|
|
- String childName = entryMap.keySet().iterator().next();
|
|
|
- extractRarFile(childName, entryMap.values().iterator().next(), archive);
|
|
|
- }
|
|
|
- try {
|
|
|
- archive.close();
|
|
|
- } catch (IOException e) {
|
|
|
- e.printStackTrace();
|
|
|
- }
|
|
|
- if (new File(filePath).exists()) {
|
|
|
- new File(filePath).delete();
|
|
|
- }
|
|
|
- System.out.println("解析压缩文件结束《《《《《《《《《《《《《《《《《《《《《《《");
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 抽取rar文件到指定目录下
|
|
|
- * @param childName
|
|
|
- * @param header
|
|
|
- * @param archive
|
|
|
- */
|
|
|
- private void extractRarFile(String childName, FileHeader header, Archive archive) {
|
|
|
- String outPath = fileDir + childName;
|
|
|
- try(OutputStream ot = new FileOutputStream(outPath)) {
|
|
|
- archive.extractFile(header, ot);
|
|
|
- } catch (FileNotFoundException e) {
|
|
|
- e.printStackTrace();
|
|
|
- } catch (IOException e) {
|
|
|
- e.printStackTrace();
|
|
|
- } catch (RarException e) {
|
|
|
- e.printStackTrace();
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-}
|