Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

public class Main {
    public static void unzipEPub(String inputZip, String destinationDirectory) throws IOException {
        int BUFFER = 2048;
        List zipFiles = new ArrayList();
        File sourceZipFile = new File(inputZip);
        File unzipDestinationDirectory = new File(destinationDirectory);
        unzipDestinationDirectory.mkdir();

        ZipFile zipFile;
        zipFile = new ZipFile(sourceZipFile, ZipFile.OPEN_READ);
        Enumeration zipFileEntries = zipFile.entries();

        // Process each entry
        while (zipFileEntries.hasMoreElements()) {

            ZipEntry entry = (ZipEntry) zipFileEntries.nextElement();
            String currentEntry = entry.getName();
            File destFile = new File(unzipDestinationDirectory, currentEntry);

            if (currentEntry.endsWith(".zip")) {
                zipFiles.add(destFile.getAbsolutePath());
            }

            File destinationParent = destFile.getParentFile();
            destinationParent.mkdirs();

            if (!entry.isDirectory()) {
                BufferedInputStream is = new BufferedInputStream(zipFile.getInputStream(entry));
                int currentByte;
                // buffer for writing file
                byte data[] = new byte[BUFFER];

                FileOutputStream fos = new FileOutputStream(destFile);
                BufferedOutputStream dest = new BufferedOutputStream(fos, BUFFER);

                while ((currentByte = is.read(data, 0, BUFFER)) != -1) {
                    dest.write(data, 0, currentByte);
                }
                dest.flush();
                dest.close();
                is.close();

            }

        }
        zipFile.close();

        for (Iterator iter = zipFiles.iterator(); iter.hasNext();) {
            String zipName = (String) iter.next();
            unzipEPub(zipName,
                    destinationDirectory + File.separatorChar + zipName.substring(0, zipName.lastIndexOf(".zip")));
        }
    }
}