Java

Add XMP MetaData to JPG or TIFF

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Demonstrates how to add XMP metadata to a JPG or TIFF image that doesn't already have XMP metadata. 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 assumes the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    CkXmp xmp = new CkXmp();

    CkXml xml;

    //  The first step is to create a new XMP document, which is nothing
    //  more than XML.  The NewXmp method returns an XML document with
    //  the standard XMP boilerplate.  
    xml = xmp.NewXmp();

    //  Add some properties...
    success = xmp.AddSimpleStr(xml,"Iptc4xmpCore:Chilkat","Blah blah");
    //  If you wish to view the XML, save it to a file and review it
    //  with a text editor:
    success = xml.SaveXml("newXmp.xml");
    if (success != true) {
        System.out.println(xml.lastErrorText());
        return;
        }

    //  To add the XMP to the JPG (or TIFF), simply load the JPG,
    //  append the XMP, and save:
    success = xmp.LoadAppFile("scream.jpg");
    if (success != true) {
        System.out.println(xmp.lastErrorText());
        return;
        }

    success = xmp.Append(xml);
    if (success != true) {
        System.out.println(xmp.lastErrorText());
        return;
        }

    success = xmp.SaveAppFile("screamOut.jpg");
    if (success != true) {
        System.out.println(xmp.lastErrorText());
        return;
        }
  }
}