Java ZipUtil

ZipUtil.java

import java.io.*;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

/**
 * Created by ShaoJin on 2014/4/15 0015.
 */
public class ZipUtil {


    /**
     * 压缩单个文件
     *
     * @param srcFile
     * @param desFile
     * @return
     * @throws IOException
     */
    static void zipFile(String srcFile, String desFile) throws IOException {
        try (ZipOutputStream zos = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(desFile)));) {
            zipFile(new File(srcFile), zos, "");

        } catch (Exception e) {
            e.printStackTrace();
            throw new IOException(e);
        }
    }

    /**
     * 压缩单个文件
     *
     * @param file
     * @param zos
     * @param path 路径
     * @throws IOException
     */
    static void zipFile(File file, ZipOutputStream zos, String path) throws IOException {
        try (FileInputStream fis = new FileInputStream(file);) {
            zos.putNextEntry(new ZipEntry(path + file.getName()));
            int len;
            byte[] buff = new byte[8096];
            while ((len = fis.read(buff)) != -1) {
                zos.write(buff, 0, len);
            }
        } catch (Exception e) {
            e.printStackTrace();
            throw new IOException(e);
        }
    }

    /**
     * 压缩文件夹
     *
     * @param srcFolder
     * @param desFile
     * @return
     */
    static void zipFolder(String srcFolder, String desFile) throws IOException {
        try (ZipOutputStream zos = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(desFile)));) {
            File folder = new File(srcFolder);
            File[] files = folder.listFiles();
            for (int i = 0; i < files.length; i++) {
                try (FileInputStream fis = new FileInputStream(files[i]);) {
                    zos.putNextEntry(new ZipEntry(folder.getName() + File.separator + files[i].getName()));
                    int len;
                    byte[] buff = new byte[8096];
                    while ((len = fis.read(buff)) != -1) {
                        zos.write(buff, 0, len);
                    }
                } catch (Exception e) {
                    throw e;
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            throw new IOException(e);
        }
    }

    /**
     * 循环压缩文件夹
     *
     * @param folder
     * @param zos
     * @param path   路径深度
     */
    static void zipLoop(File folder, ZipOutputStream zos, String path) throws IOException {
        File[] files = folder.listFiles();
        for (File file : files) {
            if (file.isDirectory()) {
                zipLoop(file, zos, path + file.getName() + File.separator);

            } else {
                zipFile(file, zos, path);
            }
        }
    }

    /**
     * Public Method 压缩接口，将提供的文件全部压缩进目标zip包中
     *
     * @param srcFiles 文件数组，可以是文件夹，可以是文件
     * @param descFile 压缩包的位置
     * @return
     */
    public static void zip(String[] srcFiles, String descFile) throws IOException {

        try (ZipOutputStream zos = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(descFile)));) {

            for (String srcFile : srcFiles) {
                File file = new File(srcFile);
                if (file.isDirectory()) {
                    zipLoop(file, zos, file.getName() + File.separator);

                } else {
                    zipFile(file, zos, "");
                }
            }

        } catch (Exception e) {
            e.printStackTrace();
            throw new IOException(e);
        }
    }


    public static void main(String[] args) throws IOException {

        // let's test it.
        new File("D:\\3.zip").delete();
        zip(new String[]{"D:\\application", "D:\\1.txt"}, "D:\\3.zip");
    }
}