Execute Javascript Commands In Chrome Console From Java App

I want to create a simple app that will execute JavaScript commands in Chrome Console on a specific page and will return an output. Namely, I want to get all accessible links from

Solution 1:

Sounds like you want to scrape a web page and get all the URLs in that web page. Whenever you face a problem like this, always search for Web Crawler examples for any preferred language.

Given below are some examples for scraping the set of URLs from a given webpage. Of course, you might have to do some filtering on the output. But, do some playing around and see...

Python 3 - Beautiful Soup 4

from bs4 import BeautifulSoup
from urllib.request import urlopen
import ssl

# to open up HTTPS URLs
gcontext = ssl.SSLContext()

# You can give any URL here. I have given the Stack Overflow homepage
url = 'https://stackoverflow.com'
data = urlopen(url, context=gcontext).read()

page = BeautifulSoup(data, 'html.parser')

for link in page.findAll('a'):
    l = link.get('href')
    print(l)

Java - JSoup

Have a look at this example.

Node JS - Cheerio

Have a look at this example.

Use Selenium Web Drivers - For Most Programming Languages

I will not explain this section, because it is so wide, and beyond the scope of this answer.