The code snippet below show you how to get the URL of the document (HTML, JSP, etc.) where the Applet is embedded. To obtain this document URL we use the getDocumentBase() method call provided by the Applet class.

In the paint() method below we use the getDocumentBase() to create a URL as a link to an image to be displayed by our applet.

package org.kodejava.applet;

import java.applet.Applet;
import java.awt.*;

public class AppletDocumentBase extends Applet {
    private Image logo;

    @Override
    public void init() {
        // Locates logo image base on the URL of the document
        // where the Applet is embedded which is returned by
        // the getDocumentBase() method call.
        //
        // eg. http://localhost:8080/images/logo.jpg
        logo = getImage(getDocumentBase(), "/images/logo.png");
    }

    @Override
    public void paint(Graphics g) {
        g.setColor(Color.black);
        g.drawRect(0, 0, getWidth() - 1, getHeight() - 1);

        // Draw the logo image on the Applet surface.
        g.drawImage(logo, 10, 10, this);
    }
}

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Wayan

Founder at Kode Java Org

A programmer, recreational runner and diver, live in the island of Bali, Indonesia. Programming in Java, Spring, Hibernate / JPA. You can support me working on this project, buy me a cup of coffee ☕ every little bit helps, thank you 🙏

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