无法解压 EPub 文件

问题描述

限时删除！！

IMO，我认为 epub 是一种 zip .因此，我尝试以一种方式解压缩.

IMO, I thought that epub is a kind of zip . Thus, I've tried to unzip in a way.

public class Main {
    public static void main(String argv[ ])  {
        final int BUFFER = 2048;

    try {
        BufferedOutputStream dest = null;
        FileInputStream fis = new FileInputStream("/Users/yelinaung/Documents/unzip/epub/doyle.epub");
        ZipInputStream zis = new ZipInputStream(new BufferedInputStream(fis));
        ZipEntry entry;
        while ((entry = zis.getNextEntry()) != null) {
            System.out.println("Extracting: " + entry);
            int count;
            byte data[] = new byte[BUFFER];
            // write the files to the disk
            FileOutputStream fos = new FileOutputStream("/Users/yelinaung/Documents/unzip/xml/");
            dest = new BufferedOutputStream(fos, BUFFER);
            while ((count = zis.read(data, 0, BUFFER))
                    != -1) {
                dest.write(data, 0, count);
            }
            dest.flush();
            dest.close();
        }
        zis.close();
    } catch ( IOException e) {
        e.printStackTrace();
    }
  }
}

我得到了以下错误..

I got that following error ..

java.io.FileNotFoundException: /Users/yelinaung/Documents/unzip/xml (No such file or directory)

虽然我以这种方式创建了一个文件夹......和

though I've created a folder in that way .. and

我解压 epub 的方式是正确的吗?..纠正我

my way of unzipping epub is right way ? .. Correct Me

推荐答案

我有答案了.. 我还没有检查要提取的对象是否是文件夹.

I've got the answer.. I haven't checked that the object that have to be extracted is folder or not .

我是这样纠正的.

public static void main(String[] args) throws IOException {
        ZipFile zipFile = new ZipFile("/Users/yelinaung/Desktop/unzip/epub/doyle.epub");
        String path = "/Users/yelinaung/Desktop/unzip/xml/";

        Enumeration files = zipFile.entries();

        while (files.hasMoreElements()) {
            ZipEntry entry = (ZipEntry) files.nextElement();
            if (entry.isDirectory()) {
                File file = new File(path + entry.getName());
                file.mkdir();
                System.out.println("Create dir " + entry.getName());
            } else {
                File f = new File(path + entry.getName());
                FileOutputStream fos = new FileOutputStream(f);
                InputStream is = zipFile.getInputStream(entry);
                byte[] buffer = new byte[1024];
                int bytesRead = 0;
                while ((bytesRead = is.read(buffer)) != -1) {
                    fos.write(buffer, 0, bytesRead);
                }
                fos.close();
                System.out.println("Create File " + entry.getName());
            }
        }
    }

然后，明白了.

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