(Java) Unzip

See more Zip Examples

Unzip a zip archive, creating the subfolders as needed.

Chilkat Java Downloads Java Libs for Windows, MacOS, Linux, Alpine Linux, Solaris Java Libs for Android

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkZip zip = new CkZip();

    boolean success = zip.OpenZip("qa_data/zips/sample.zip");
    if (success != true) {
        System.out.println(zip.lastErrorText());
        return;
        }

    // Unzip to c:/temp/testDir
    // If c:/temp/testDir does not yet exist, it will be auto-created.
    int numFilesUnzipped = zip.Unzip("c:/temp/testDir");
    if (numFilesUnzipped < 0) {
        System.out.println(zip.lastErrorText());
        return;
        }

    // If, for example, the zip contained these files:

    // aaa/pigs.json
    // bbb/base64Cert.txt
    // bbb/sub1/brasil_cert.pem
    // bbb/sub2/penguins.gif
    // bbb/sub2/starfish.jpg
    // hamlet.xml
    // hello.pdf

    // then after unzipping, the following files will be created:

    // c:/temp/testDir/aaa/pigs.json
    // c:/temp/testDir/bbb/base64Cert.txt
    // c:/temp/testDir/bbb/sub1/brasil_cert.pem
    // c:/temp/testDir/bbb/sub2/penguins.gif
    // c:/temp/testDir/bbb/sub2/starfish.jpg
    // c:/temp/testDir/hamlet.xml
    // c:/temp/testDir/hello.pdf

    zip.CloseZip();
  }
}