Java

Change a Filename before Unzipping

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How to open a zip and modify the filename of one or more files within the zip before unzipping. Java

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[])
  {
    boolean success = false;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkZip zip = new CkZip();

    success = zip.OpenZip("test.zip");
    if (success == false) {
        System.out.println(zip.lastErrorText());
        return;
        }

    CkZipEntry entry = new CkZipEntry();

    success = zip.EntryOf("hamlet.xml",entry);
    if (success == false) {
        System.out.println(zip.lastErrorText());
        return;
        }

    entry.put_FileName("hamlet2.xml");

    success = zip.EntryOf("helloWorld.pl",entry);
    if (success == false) {
        System.out.println(zip.lastErrorText());
        return;
        }

    entry.put_FileName("hw.pl");

    // Now unzip to the "test" subdirectory, under our current
    // working directory:
    int numFilesUnzipped = zip.Unzip("test");
    if (numFilesUnzipped < 0) {
        System.out.println(zip.lastErrorText());
        return;
        }

    // The filenames within the .zip are unchanged, but it unzipped
    // test/hw.pl and test/hamlet2.xm
  }
}