EvaluateOnNewDocument.java

EvaluateOnNewDocument.java

import java.net.URL;

import io.webfolder.cdp.Launcher;
import io.webfolder.cdp.command.Page;
import io.webfolder.cdp.session.Session;
import io.webfolder.cdp.session.SessionFactory;

public class EvaluateOnNewDocument {

    public static void main(String[] args) {
        URL url = Select.class.getResource("/inject-script.html");

        Launcher launcher = new Launcher();

        try (SessionFactory factory = launcher.launch();
                Session session = factory.create()) {

            Page page = session.getCommand().getPage();
            // enable Page domain before using the addScriptToEvaluateOnNewDocument()
            page.enable();

            // addScriptToEvaluateOnNewDocument() must be called before
            // Session.navigate()
            page.addScriptToEvaluateOnNewDocument(
                    "window.dummyMessage = 'hello, world!'");

            session.enableConsoleLog();

            session.navigate(url.toString());

            session.wait(500);
        }
    }
}
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Integration with Maven

To use the official release of cdp4j, please use the following snippet in your pom.xml file.
Add the following to your POM's <dependencies> tag:

<dependency>
    <groupId>io.webfolder</groupId>
    <artifactId>cdp4j</artifactId>
    <version>3.0.7</version>
</dependency>