Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;

import java.io.IOException;
import java.io.InputStream;

import java.io.OutputStream;

import java.util.zip.ZipEntry;

import java.util.zip.ZipOutputStream;

public class Main {
    public static void zipChildren(File folder, String prefix, ZipOutputStream out) throws IOException {
        File[] files = folder.listFiles();
        if (files == null)
            return;
        for (File file : files) {
            if (file.isFile()) {
                String name = prefix + file.getName();
                ZipEntry entry = new ZipEntry(name);
                entry.setTime(file.lastModified());
                out.putNextEntry(entry);
                loadFromFile(file, out);
                out.closeEntry();
            } else if (file.isDirectory()) {
                zipChildren(file, prefix + file.getName() + "/", out);
            }
        }

    }

    public static void loadFromFile(File src, OutputStream out) throws FileNotFoundException, IOException {
        InputStream in = new FileInputStream(src);
        try {
            transfer(in, out);
        } finally {
            in.close();
        }
    }

    public static void transfer(InputStream in, OutputStream out) throws IOException {
        byte[] buf = new byte[1024 * 1024];
        int len;
        while ((len = in.read(buf)) > 0)
            out.write(buf, 0, len);
    }

    public static void transfer(InputStream in, OutputStream out, int maxBytes) throws IOException {
        byte[] buf = new byte[maxBytes];
        int done = 0;
        int len;
        while (done < maxBytes && (len = in.read(buf)) > 0) {
            out.write(buf, 0, len);
            done += len;
        }
    }
}