Java

Controlling paths within a Zip

See more Zip Examples

How to control the paths stored within a .zip. 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();

    // This is the directory structure on the local filesystem
    // from which we'll create .zip archives:
    // The root directory is /temp/filesToZip
    // 
    // We have these files:
    // /temp/filesToZip/faxCover.doc
    // /temp/filesToZip/exe/Setup.exe
    // /temp/filesToZip/images/cheese.jpg
    // /temp/filesToZip/images/dude.gif
    // /temp/filesToZip/images/img3.gif
    // /temp/filesToZip/images/img4.gif
    // /temp/filesToZip/images/img5.gif
    // /temp/filesToZip/images/scream.jpg
    // /temp/filesToZip/images/imageInfo/scream.xml
    // /temp/filesToZip/images/imageInfo/cheese.xml
    // /temp/filesToZip/text/html/bonaireFishing.html
    // /temp/filesToZip/text/html/upload.html
    // /temp/filesToZip/text/txt/hello.txt
    // /temp/filesToZip/text/txt/HelloWorld123.txt
    // /temp/filesToZip/text/xml/hamlet.xml
    // /temp/filesToZip/text/xml/pigs.xml

    // There are three properties to help control the paths stored
    // within a .zip:
    // AppendFromDir
    // PathPrefix
    // DiscardPaths
    // 

    // First we'll demonstrate AppendFromDir
    // When a directory tree is appended via AppendFiles or
    // AppendFilesEx, the AppendFromDir sets the base of the 
    // directory tree appended (if the file pattern contains a 
    // relative path, or no path at all).

    // Clear the zip object.
    zip.NewZip("test1.zip");

    boolean recurse = true;

    zip.put_AppendFromDir("/temp/filesToZip");
    success = zip.AppendFiles("*.xml",recurse);

    // The zip will contain:
    // images/imageInfo/scream.xml
    // images/imageInfo/cheese.xml
    // text/xml/hamlet.xml
    // text/xml/pigs.xml

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

    // Clear the zip object.
    success = zip.NewZip("test2.zip");

    zip.put_AppendFromDir("/temp/filesToZip/images");
    success = zip.AppendFiles("*.xml",recurse);
    zip.put_AppendFromDir("/temp/filesToZip/text");
    success = zip.AppendFiles("*.xml",recurse);

    // The zip will contain:
    // imageInfo/scream.xml
    // imageInfo/cheese.xml
    // xml/hamlet.xml
    // xml/pigs.xml

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

    // The PathPrefix property adds an arbitrary path prefix to each
    // file in the .zip.
    // For example:

    // Clear the zip object.
    success = zip.NewZip("test3.zip");

    zip.put_PathPrefix("chilkat/");

    zip.put_AppendFromDir("/temp/filesToZip/images");
    success = zip.AppendFiles("*.xml",recurse);
    zip.put_AppendFromDir("/temp/filesToZip/text");
    success = zip.AppendFiles("*.xml",recurse);

    // The zip will contain:
    // chilkat/imageInfo/scream.xml
    // chilkat/imageInfo/cheese.xml
    // chilkat/xml/hamlet.xml
    // chilkat/xml/pigs.xml

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

    // The DiscardPaths property removes the path from each file
    // in the zip:
    // For example:

    // Clear the zip object.
    success = zip.NewZip("test4.zip");

    zip.put_PathPrefix("");
    zip.put_DiscardPaths(true);

    zip.put_AppendFromDir("/temp/filesToZip/");
    success = zip.AppendFiles("*",recurse);

    // The zip will contain:
    // faxCover.doc
    // Setup.exe
    // cheese.jpg
    // dude.gif
    // img3.gif
    // img4.gif
    // img5.gif
    // scream.jpg
    // scream.xml
    // cheese.xml
    // bonaireFishing.html
    // upload.html
    // hello.txt
    // HelloWorld123.txt
    // hamlet.xml
    // pigs.xml

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

    // You can combine PathPrefix with DiscardPaths:

    // Clear the zip object.
    success = zip.NewZip("test5.zip");

    zip.put_PathPrefix("chilkat/");
    zip.put_DiscardPaths(true);

    zip.put_AppendFromDir("/temp/filesToZip/");
    success = zip.AppendFiles("*",recurse);

    // The zip will contain:
    // chilkat/faxCover.doc
    // chilkat/Setup.exe
    // chilkat/cheese.jpg
    // chilkat/dude.gif
    // chilkat/img3.gif
    // chilkat/img4.gif
    // chilkat/img5.gif
    // chilkat/scream.jpg
    // chilkat/scream.xml
    // chilkat/cheese.xml
    // chilkat/bonaireFishing.html
    // chilkat/upload.html
    // chilkat/hello.txt
    // chilkat/HelloWorld123.txt
    // chilkat/hamlet.xml
    // chilkat/pigs.xml

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

    // One last example -- combine DiscardPaths with PathPrefix
    // with multiple calls to AppendFiles:

    // Clear the zip object.
    success = zip.NewZip("test6.zip");

    zip.put_DiscardPaths(true);
    zip.put_AppendFromDir("/temp/filesToZip/");

    // Get all .gif files:
    zip.put_PathPrefix("gif/");
    success = zip.AppendFiles("*.gif",recurse);

    // Get all .jpg files:
    zip.put_PathPrefix("jpg/");
    success = zip.AppendFiles("*.jpg",recurse);

    // Get all .xml files:
    zip.put_PathPrefix("xml/");
    success = zip.AppendFiles("*.xml",recurse);

    // The zip will contain:
    // jpg/cheese.jpg
    // gif/dude.gif
    // gif/img3.gif
    // gif/img4.gif
    // gif/img5.gif
    // jpg/scream.jpg
    // xml/scream.xml
    // xml/cheese.xml
    // xml/hamlet.xml
    // xml/pigs.xml

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