cdp4j - Chrome DevTools Protocol for Java

cdp4j is a web-automation library for Java. It can be used for automating the use of web pages and for testing web pages. It use Google Chrome DevTools Protocol to automate Chrome/Chromium based browsers.

Features

• Supports full capabilities of the Chrome DevTools Protocol (tip-of-tree)
• Evaluate JavaScript
• Invoke JavaScript function
• Supports native CSS selector engine
• Supports XPath queries
• Incognito Browsing (private tab)
• Full page screen capture
• Trigger Mouse events (click etc...)
• Send keys (text, tab, enter etc...)
• Redirect log entries (javascript, network, storage etc...) from browser to slf4j
• Intercept Network (request & response)
• Upload file programmatically without third party solutions (does not requires AWT Robot etc...)
• get & set Element properties
• Supports Headless Chrome/Chromium
• Navigate back, forward, stop, reload
• clear cache, clear cookies, list cookies
• set & get values of form elements
• Supports event handling

Supported Java Versions

Oracle/OpenJDK & GraalVM.

Note: We only support LTS versions (8 & 11).

Both the JRE and the JDK are suitable for use with this library.

Stability

This library is suitable for use in production systems.

Download

cdp4j-4.1.0.jar

cdp4j-4.1.0-sources.jar

Supported Platforms

cdp4j has been tested under Windows 10 and Ubuntu, but should work on any platform where a Java & Chrome/Chromium available.

Release Notes

CHANGELOG.md

Headless Mode

cdp4j can be run in "headless" mode using with Options.headless(boolean) option.

Install Chrome on Debian/Ubuntu

# https://askubuntu.com/questions/79280/how-to-install-chrome-browser-properly-via-command-line
sudo apt-get install libxss1 libappindicator1 libappindicator3-1 libindicator7
wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
sudo dpkg -i google-chrome*.deb # Might show "errors", fixed by next line
sudo apt-get install -f

Install Chrome on RHEL/CentOS/Fedora

wget https://dl.google.com/linux/direct/google-chrome-stable_current_x86_64.rpm
sudo yum install google-chrome-stable_current_*.rpm

JavaDoc

cdp4j api

Logging

slf4j 1.x, log4j 1.x and custom Console logger is supported.

Design Principles

• Avoid external dependencies as much as possible.
• Support only Chrome/Chromium based browsers.
• Supports full capabilities of the Chrome DevTools Protocol.
• Keep the API simple.
• Support GraalVM.

How it is tested

cdp4j is regularly built and tested on Windows 10 and Ubuntu.

Support

Please report your bugs and new features by e-mail (support@webfolder.io). github issues is only used by cdp4j developers.