Extract XMP MetaData as XML

Demonstrates how to open a JPG or TIF image file and extract the XMP metadata as XML.

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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[])
  {

    CkXmp xmp = new CkXmp();

    boolean success;

    success = xmp.UnlockComponent("Anything for 30-day trial.");
    if (success != true) {
        System.out.println(xmp.lastErrorText());
        return;
    }

    //  Load a JPG or TIF image file.
    //  Sample JPG's with XMP metadata may be found at:
    //  http://www.chilkatsoft.com/testData/xmp/sample1.jpg
    //  http://www.chilkatsoft.com/testData/xmp/sample2.jpg
    //  http://www.chilkatsoft.com/testData/xmp/sample3.jpg
    success = xmp.LoadAppFile("sample1.jpg");
    if (success != true) {
        System.out.println(xmp.lastErrorText());
        return;
    }

    System.out.println("Num embedded XMP docs: "
         + xmp.get_NumEmbedded());

    //  Assuming there is at least one, get the 1st.
    //  (There is typically never more than one, but theoretically it's possible.)
    CkXml xml;
    xml = xmp.GetEmbedded(0);
    if (!(xml == null )) {
        success = xml.SaveXml("xmpMetaData.xml");
        if (success != true) {
            System.out.println(xml.lastErrorText());
        }

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

    }
    else {
        System.out.println(xmp.lastErrorText());
    }


  }
}