(Java) Unzip all Files to a Single Directory (Ignoring Subdirectories in Zip)

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Demonstrates how to unzip all files into a single directory, ignoring the internal directory structure of the files in the .zip.

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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.

    String outDir = "c:/temp/testUnzipDir";

    // Make sure our output directory exists.
    CkFileAccess fac = new CkFileAccess();
    boolean success = fac.DirEnsureExists(outDir);
    if (success == false) {
        System.out.println(fac.lastErrorText());
        return;
        }

    CkZip zip = new CkZip();

    // In this example, the xml_files.zip contains some files in the subdirectories "dir1" and also "dir2/dir3".

    // a1.xml
    // b1.xml
    // c1.xml
    // dir1/a2.xml
    // dir1/c2.xml
    // dir2/dir3/c3.xml

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

    // Unzip all files into the directory c:/temp/testUnzipDir
    int numUnzipped = zip.UnzipInto(outDir);
    if (numUnzipped < 0) {
        System.out.println(zip.lastErrorText());
        return;
        }

    System.out.println("Num unzipped = " + numUnzipped);

    // After unzipping via UnzipInto, we have this:

    // c:\temp\testUnzipDir\a1.xml
    // c:\temp\testUnzipDir\b1.xml
    // c:\temp\testUnzipDir\c1.xml
    // c:\temp\testUnzipDir\a2.xml
    // c:\temp\testUnzipDir\c2.xml
    // c:\temp\testUnzipDir\c3.xml

    zip.CloseZip();

    System.out.println("Success.");
  }
}