| import java.io.BufferedInputStream; | |
| import java.io.BufferedOutputStream; | |
| import java.io.File; | |
| import java.io.FileInputStream; | |
| import java.io.FileOutputStream; | |
| import java.io.IOException; | |
| import java.io.InputStream; | |
| import java.io.OutputStream; | |
| import java.util.ArrayList; | |
| import java.util.Collection; | |
| import java.util.Enumeration; | |
| import java.util.List; | |
| import java.util.zip.ZipEntry; | |
| import java.util.zip.ZipFile; | |
| import java.util.zip.ZipOutputStream; | |
| /** | |
| * <pre> | |
| * author: Blankj | |
| * blog : http://blankj.com | |
| * time : 2016/8/27 | |
| * desc : 压缩相关工具类 | |
| * </pre> | |
| */ | |
| public final class ZipUtils { | |
| private ZipUtils() { | |
| throw new UnsupportedOperationException("u can't instantiate me..."); | |
| } | |
| private static final int KB = 1024; | |
| /** | |
| * 批量压缩文件 | |
| * | |
| * @param resFiles 待压缩文件集合 | |
| * @param zipFilePath 压缩文件路径 | |
| * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static boolean zipFiles(Collection<File> resFiles, String zipFilePath) | |
| throws IOException { | |
| return zipFiles(resFiles, zipFilePath, null); | |
| } | |
| /** | |
| * 批量压缩文件 | |
| * | |
| * @param resFiles 待压缩文件集合 | |
| * @param zipFilePath 压缩文件路径 | |
| * @param comment 压缩文件的注释 | |
| * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static boolean zipFiles(Collection<File> resFiles, String zipFilePath, String comment) | |
| throws IOException { | |
| return zipFiles(resFiles, FileUtils.getFileByPath(zipFilePath), comment); | |
| } | |
| /** | |
| * 批量压缩文件 | |
| * | |
| * @param resFiles 待压缩文件集合 | |
| * @param zipFile 压缩文件 | |
| * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static boolean zipFiles(Collection<File> resFiles, File zipFile) | |
| throws IOException { | |
| return zipFiles(resFiles, zipFile, null); | |
| } | |
| /** | |
| * 批量压缩文件 | |
| * | |
| * @param resFiles 待压缩文件集合 | |
| * @param zipFile 压缩文件 | |
| * @param comment 压缩文件的注释 | |
| * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static boolean zipFiles(Collection<File> resFiles, File zipFile, String comment) | |
| throws IOException { | |
| if (resFiles == null || zipFile == null) return false; | |
| ZipOutputStream zos = null; | |
| try { | |
| zos = new ZipOutputStream(new FileOutputStream(zipFile)); | |
| for (File resFile : resFiles) { | |
| if (!zipFile(resFile, "", zos, comment)) return false; | |
| } | |
| return true; | |
| } finally { | |
| if (zos != null) { | |
| zos.finish(); | |
| CloseUtils.closeIO(zos); | |
| } | |
| } | |
| } | |
| /** | |
| * 压缩文件 | |
| * | |
| * @param resFilePath 待压缩文件路径 | |
| * @param zipFilePath 压缩文件路径 | |
| * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static boolean zipFile(String resFilePath, String zipFilePath) | |
| throws IOException { | |
| return zipFile(resFilePath, zipFilePath, null); | |
| } | |
| /** | |
| * 压缩文件 | |
| * | |
| * @param resFilePath 待压缩文件路径 | |
| * @param zipFilePath 压缩文件路径 | |
| * @param comment 压缩文件的注释 | |
| * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static boolean zipFile(String resFilePath, String zipFilePath, String comment) | |
| throws IOException { | |
| return zipFile(FileUtils.getFileByPath(resFilePath), FileUtils.getFileByPath(zipFilePath), comment); | |
| } | |
| /** | |
| * 压缩文件 | |
| * | |
| * @param resFile 待压缩文件 | |
| * @param zipFile 压缩文件 | |
| * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static boolean zipFile(File resFile, File zipFile) | |
| throws IOException { | |
| return zipFile(resFile, zipFile, null); | |
| } | |
| /** | |
| * 压缩文件 | |
| * | |
| * @param resFile 待压缩文件 | |
| * @param zipFile 压缩文件 | |
| * @param comment 压缩文件的注释 | |
| * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static boolean zipFile(File resFile, File zipFile, String comment) | |
| throws IOException { | |
| if (resFile == null || zipFile == null) return false; | |
| ZipOutputStream zos = null; | |
| try { | |
| zos = new ZipOutputStream(new FileOutputStream(zipFile)); | |
| return zipFile(resFile, "", zos, comment); | |
| } finally { | |
| if (zos != null) { | |
| CloseUtils.closeIO(zos); | |
| } | |
| } | |
| } | |
| /** | |
| * 压缩文件 | |
| * | |
| * @param resFile 待压缩文件 | |
| * @param rootPath 相对于压缩文件的路径 | |
| * @param zos 压缩文件输出流 | |
| * @param comment 压缩文件的注释 | |
| * @return {@code true}: 压缩成功<br>{@code false}: 压缩失败 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| private static boolean zipFile(File resFile, String rootPath, ZipOutputStream zos, String comment) | |
| throws IOException { | |
| rootPath = rootPath + (isSpace(rootPath) ? "" : File.separator) + resFile.getName(); | |
| if (resFile.isDirectory()) { | |
| File[] fileList = resFile.listFiles(); | |
| // 如果是空文件夹那么创建它,我把'/'换为File.separator测试就不成功,eggPain | |
| if (fileList == null || fileList.length <= 0) { | |
| ZipEntry entry = new ZipEntry(rootPath + '/'); | |
| if (!StringUtils.isEmpty(comment)) entry.setComment(comment); | |
| zos.putNextEntry(entry); | |
| zos.closeEntry(); | |
| } else { | |
| for (File file : fileList) { | |
| // 如果递归返回false则返回false | |
| if (!zipFile(file, rootPath, zos, comment)) return false; | |
| } | |
| } | |
| } else { | |
| InputStream is = null; | |
| try { | |
| is = new BufferedInputStream(new FileInputStream(resFile)); | |
| ZipEntry entry = new ZipEntry(rootPath); | |
| if (!StringUtils.isEmpty(comment)) entry.setComment(comment); | |
| zos.putNextEntry(entry); | |
| byte buffer[] = new byte[KB]; | |
| int len; | |
| while ((len = is.read(buffer, 0, KB)) != -1) { | |
| zos.write(buffer, 0, len); | |
| } | |
| zos.closeEntry(); | |
| } finally { | |
| CloseUtils.closeIO(is); | |
| } | |
| } | |
| return true; | |
| } | |
| /** | |
| * 批量解压文件 | |
| * | |
| * @param zipFiles 压缩文件集合 | |
| * @param destDirPath 目标目录路径 | |
| * @return {@code true}: 解压成功<br>{@code false}: 解压失败 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static boolean unzipFiles(Collection<File> zipFiles, String destDirPath) | |
| throws IOException { | |
| return unzipFiles(zipFiles, FileUtils.getFileByPath(destDirPath)); | |
| } | |
| /** | |
| * 批量解压文件 | |
| * | |
| * @param zipFiles 压缩文件集合 | |
| * @param destDir 目标目录 | |
| * @return {@code true}: 解压成功<br>{@code false}: 解压失败 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static boolean unzipFiles(Collection<File> zipFiles, File destDir) | |
| throws IOException { | |
| if (zipFiles == null || destDir == null) return false; | |
| for (File zipFile : zipFiles) { | |
| if (!unzipFile(zipFile, destDir)) return false; | |
| } | |
| return true; | |
| } | |
| /** | |
| * 解压文件 | |
| * | |
| * @param zipFilePath 待解压文件路径 | |
| * @param destDirPath 目标目录路径 | |
| * @return {@code true}: 解压成功<br>{@code false}: 解压失败 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static boolean unzipFile(String zipFilePath, String destDirPath) | |
| throws IOException { | |
| return unzipFile(FileUtils.getFileByPath(zipFilePath), FileUtils.getFileByPath(destDirPath)); | |
| } | |
| /** | |
| * 解压文件 | |
| * | |
| * @param zipFile 待解压文件 | |
| * @param destDir 目标目录 | |
| * @return {@code true}: 解压成功<br>{@code false}: 解压失败 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static boolean unzipFile(File zipFile, File destDir) | |
| throws IOException { | |
| return unzipFileByKeyword(zipFile, destDir, null) != null; | |
| } | |
| /** | |
| * 解压带有关键字的文件 | |
| * | |
| * @param zipFilePath 待解压文件路径 | |
| * @param destDirPath 目标目录路径 | |
| * @param keyword 关键字 | |
| * @return 返回带有关键字的文件链表 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static List<File> unzipFileByKeyword(String zipFilePath, String destDirPath, String keyword) | |
| throws IOException { | |
| return unzipFileByKeyword(FileUtils.getFileByPath(zipFilePath), | |
| FileUtils.getFileByPath(destDirPath), keyword); | |
| } | |
| /** | |
| * 解压带有关键字的文件 | |
| * | |
| * @param zipFile 待解压文件 | |
| * @param destDir 目标目录 | |
| * @param keyword 关键字 | |
| * @return 返回带有关键字的文件链表 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static List<File> unzipFileByKeyword(File zipFile, File destDir, String keyword) | |
| throws IOException { | |
| if (zipFile == null || destDir == null) return null; | |
| List<File> files = new ArrayList<>(); | |
| ZipFile zf = new ZipFile(zipFile); | |
| Enumeration<?> entries = zf.entries(); | |
| while (entries.hasMoreElements()) { | |
| ZipEntry entry = ((ZipEntry) entries.nextElement()); | |
| String entryName = entry.getName(); | |
| if (StringUtils.isEmpty(keyword) || FileUtils.getFileName(entryName).toLowerCase().contains(keyword.toLowerCase())) { | |
| String filePath = destDir + File.separator + entryName; | |
| File file = new File(filePath); | |
| files.add(file); | |
| if (entry.isDirectory()) { | |
| if (!FileUtils.createOrExistsDir(file)) return null; | |
| } else { | |
| if (!FileUtils.createOrExistsFile(file)) return null; | |
| InputStream in = null; | |
| OutputStream out = null; | |
| try { | |
| in = new BufferedInputStream(zf.getInputStream(entry)); | |
| out = new BufferedOutputStream(new FileOutputStream(file)); | |
| byte buffer[] = new byte[KB]; | |
| int len; | |
| while ((len = in.read(buffer)) != -1) { | |
| out.write(buffer, 0, len); | |
| } | |
| } finally { | |
| CloseUtils.closeIO(in, out); | |
| } | |
| } | |
| } | |
| } | |
| return files; | |
| } | |
| /** | |
| * 获取压缩文件中的文件路径链表 | |
| * | |
| * @param zipFilePath 压缩文件路径 | |
| * @return 压缩文件中的文件路径链表 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static List<String> getFilesPath(String zipFilePath) | |
| throws IOException { | |
| return getFilesPath(FileUtils.getFileByPath(zipFilePath)); | |
| } | |
| /** | |
| * 获取压缩文件中的文件路径链表 | |
| * | |
| * @param zipFile 压缩文件 | |
| * @return 压缩文件中的文件路径链表 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static List<String> getFilesPath(File zipFile) | |
| throws IOException { | |
| if (zipFile == null) return null; | |
| List<String> paths = new ArrayList<>(); | |
| Enumeration<?> entries = getEntries(zipFile); | |
| while (entries.hasMoreElements()) { | |
| paths.add(((ZipEntry) entries.nextElement()).getName()); | |
| } | |
| return paths; | |
| } | |
| /** | |
| * 获取压缩文件中的注释链表 | |
| * | |
| * @param zipFilePath 压缩文件路径 | |
| * @return 压缩文件中的注释链表 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static List<String> getComments(String zipFilePath) | |
| throws IOException { | |
| return getComments(FileUtils.getFileByPath(zipFilePath)); | |
| } | |
| /** | |
| * 获取压缩文件中的注释链表 | |
| * | |
| * @param zipFile 压缩文件 | |
| * @return 压缩文件中的注释链表 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static List<String> getComments(File zipFile) | |
| throws IOException { | |
| if (zipFile == null) return null; | |
| List<String> comments = new ArrayList<>(); | |
| Enumeration<?> entries = getEntries(zipFile); | |
| while (entries.hasMoreElements()) { | |
| ZipEntry entry = ((ZipEntry) entries.nextElement()); | |
| comments.add(entry.getComment()); | |
| } | |
| return comments; | |
| } | |
| /** | |
| * 获取压缩文件中的文件对象 | |
| * | |
| * @param zipFilePath 压缩文件路径 | |
| * @return 压缩文件中的文件对象 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static Enumeration<?> getEntries(String zipFilePath) | |
| throws IOException { | |
| return getEntries(FileUtils.getFileByPath(zipFilePath)); | |
| } | |
| /** | |
| * 获取压缩文件中的文件对象 | |
| * | |
| * @param zipFile 压缩文件 | |
| * @return 压缩文件中的文件对象 | |
| * @throws IOException IO错误时抛出 | |
| */ | |
| public static Enumeration<?> getEntries(File zipFile) | |
| throws IOException { | |
| if (zipFile == null) return null; | |
| return new ZipFile(zipFile).entries(); | |
| } | |
| private static boolean isSpace(String s) { | |
| if (s == null) return true; | |
| for (int i = 0, len = s.length(); i < len; ++i) { | |
| if (!Character.isWhitespace(s.charAt(i))) { | |
| return false; | |
| } | |
| } | |
| return true; | |
| } | |
| } |
压缩相关→ZipUtils
最新推荐文章于 2024-04-15 14:45:43 发布
本文介绍了一个用于批量压缩和解压文件的Java工具类,提供了压缩文件、批量压缩文件集、解压文件及获取压缩文件内文件路径等功能。
846

被折叠的 条评论
为什么被折叠?



