Compress a directory in java

package org.kodejava.util.zip;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class ZipDirectoryExample {
    private final List<String> fileList = new ArrayList<>();

    public static void main(String[] args) {
        String dir = "D:/Data";
        String zipFile = "D:/Data.zip";

        ZipDirectoryExample zip = new ZipDirectoryExample();
        zip.compressDirectory(dir, zipFile);
    }

    private void compressDirectory(String dir, String zipFile) {
        File directory = new File(dir);
        getFileList(directory);

        try (FileOutputStream fos = new FileOutputStream(zipFile);
             ZipOutputStream zos = new ZipOutputStream(fos)) {

            for (String filePath : fileList) {
                System.out.println("Compressing: " + filePath);

                // Creates a zip entry.
                String name = filePath.substring(directory.getAbsolutePath().length() + 1);

                ZipEntry zipEntry = new ZipEntry(name);
                zos.putNextEntry(zipEntry);

                // Read file content and write to zip output stream.
                try (FileInputStream fis = new FileInputStream(filePath)) {
                    byte[] buffer = new byte[1024];
                    int length;
                    while ((length = fis.read(buffer)) > 0) {
                        zos.write(buffer, 0, length);
                    }

                    // Close the zip entry.
                    zos.closeEntry();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    /**
     * Get files list from the directory recursive to the subdirectory.
     */
    private void getFileList(File directory) {
        File[] files = directory.listFiles();
        if (files != null && files.length > 0) {
            for (File file : files) {
                if (file.isFile()) {
                    fileList.add(file.getAbsolutePath());
                } else {
                    getFileList(file);
                }
            }
        }

    }
}

Source: kodejava.org

Similar codes

0 vote240 views2 answers
Horizontal recyclerview item width half of screen android
Java
0 vote178 views1 answer
Request.iter_content(1024 * 1024)
Java
0 vote153 views2 answers
What is the use of the tolowercase in java
Java
0 vote152 views1 answer
Java dato numero big starkoverflow
Java
0 vote215 views1 answer
Spring-boot java header appliacation/json constant
Java Spring
0 vote139 views2 answers
Adding new field in existing kibana index using spark java
Java
0 vote113 views1 answer
Views in android
Java
0 vote166 views1 answer
Write a method multiply() in a class Arithmetic
Java
0 vote147 views1 answer
Java string contains number
Java
0 vote146 views1 answer
Public static void main(String[] args) in java
Java