Java

Update a String Property in XMP

See more XMP Examples

Demonstrates how to open a JPG or TIF image file, access the XMP metadata, and update the value of a string property. (If the string property does not already exist, it is created.) Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Xml;
import com.chilkatsoft.chilkat2.Xmp;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example assumes the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Xmp xmp = new Xmp();

        // Load a JPG or TIF image file.
        try {
            xmp.loadAppFile("qa_data/xmp/AJ_123642_1511.tif");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

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

        // This example assumes that XMP metadata is already present in the image file.
        if (xmp.getNumEmbedded() == 0) {
            System.out.println("No XMP metadata already exists..");
            return;
        }

        // Get the XMP metadata.
        Xml xml = xmp.getEmbedded(0);

        // Show the XML:
        System.out.println(xml.getXml());

        // Update (overwrite) a string property.
        xmp.addSimpleStr(xml, "NumberofTimes", "123");

        try {
            xmp.saveAppFile("qa_output/updated.tif");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

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