I would like to extract a couple of values from a webpage and include them in my openHAB UI but I have no idea where to start. The webpage in question is that shown on logging in to my Ecomon Energy Monitor and I want to get the values for Generating and Exporting. There are two variables in the web…

You could try to “get” the web page with a http-request in a string and trim away all unwanted data.

The login page and the page with the values I want are in the attached files. loginpage.txt (622 Bytes) valuespage.txt (103.7 KB) The two values I want are skw and expd but I assume regex is only going to get the text skw and expd not the actual values that are displayed on the webpage. Opening htt…

[image] lesterb: The two values I want are skw and expd Those are placeholders. Real data is fetched by javascript embedded in the page, from different URL, using AJAX techniques - but probably with JSON really. Then the data gets “edited” into the visible webpage for your browser to render…

Thank you rosska you have pointed me in the right direction. I found the .json file and sending 192.168.1.34/ecostatus.json returns the data shown in the attached file. I can retrieve this and use regex to extract the values I want. It looks as though I can run this without having to be logged in …

I’ve been working on other things for a while and am just getting back to taking this further. So I’ve found that 192.168.1.34/ecostatus.json displays the data I want and a lot more that I don’t. I thought of using regex to extract the data I want but now that I do more reading it looks like I shou…

openHAB Community

Extracting values from webpage

Setup, Configuration and Use Beginners

Celaeno1 (Alex) May 18, 2020, 10:56am 3

@lesterb

Try http1 binding with regex transformation.

Examples: here and here or here…

Or search the forum.