Modify Name of File Stored within Zip when Creating a .zip

Demonstrates how to create a zip where the filename within the .zip is different than the filename that was added from the filesystem.

Download Chilkat Java Library

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[])
  {
    CkZip zip = new CkZip();

    boolean success;

    success = zip.UnlockComponent("anything for 30-day trial");
    if (success != true) {
        System.out.println("Failed to unlock zip component");
        return;
    }

    //  Intialize the zip object by calling NewZip.
    zip.NewZip("myZip.zip");

    //  Add a reference to a file on disk to the zip object.
    //  (When appending files to a zip, the files are not actually
    //  read into memory.  References to the file(s) are added.
    //  When WriteZip is called, the referenced files are streamed in
    //  and compressed to the .zip.)
    boolean saveExtraPath;
    saveExtraPath = false;
    success = zip.AppendOneFileOrDir("c:/temp/a/hamlet.xml",saveExtraPath);
    if (success != true) {
        System.out.println(zip.lastErrorText());
        return;
    }

    //  The zip object references a single file.
    //  Retrieve the entry object...
    CkZipEntry entry;
    entry = zip.GetEntryByIndex(0);

    //  Set the entry's filename to anything you want:
    entry.put_FileName("somethingElse.xml");

    //  Note: Internally, the zip component retains the name of
    //  the file referenced.  The current setting of the zip entry's
    //  FileName property is stored in the .zip when writing.

    //  The zip written here will contain somethingElse.xml
    success = zip.WriteZipAndClose();
    if (success != true) {
        System.out.println(zip.lastErrorText());
    }
    else {
        System.out.println("Zip created!");
    }

  }
}