(Java) List Files in Zip using FirstEntry/NextEntry

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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/xml_files.zip");
    if (success != true) {
        System.out.println(zip.lastErrorText());
        return;
        }

    CkZipEntry entry = zip.FirstEntry();
    if (zip.get_LastMethodSuccess() == false) {
        System.out.println("This zip archive is empty.");
        return;
        }

    boolean finished = false;
    while (finished == false) {

        if (entry.get_IsDirectory() == false) {
            System.out.println(entry.fileName());
            }
        else {
            System.out.println("(directory) " + entry.fileName());
            }

        CkZipEntry next = entry.NextEntry();
        if (entry.get_LastMethodSuccess() == false) {
            finished = true;
            }

        entry = next;
        }

    // Sample output showing both file and directory entries:

    // a1.xml
    // b1.xml
    // c1.xml
    // (directory) dir1/
    // dir1/a2.xml
    // dir1/c2.xml
    // (directory) dir2/
    // (directory) dir2/dir3/
    // dir2/dir3/c3.xml
  }
}