Listing the name of the files under some url using java

Question

I want to list every file with extension of ".png" under some url for example

"http://kgs:8080/KGS/assets/"

I want to retrieve the name of the file such as

background.png
foreground.png

How can i do this java?

Thank you

If the http://kgs:8080/KGS/assets/ returns a list, then you can parse that. Othwise there is no way to do this. — Balint Bako
– Balint Bako, Commented Jun 26, 2013 at 12:48

Joni · Accepted Answer · 2013-06-26 12:47:54Z

2

The HTTP protocol does not have a method for listing files in a directory, so this can't be done in the general case.

If a request made to http://kgs:8080/KGS/assets/ returns the directory listing in HTML, like some web servers do, you can parse that listing to obtain a list of URLs. Then you go over each URL and check if they end with .png.

answered Jun 26, 2013 at 12:47

Joni

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1 Comment

pisuvar Over a year ago

Thank you for your quick response Joni

Jiri Kremser · Accepted Answer · 2013-06-26 14:07:21Z

1

If the content (the files) is not accessible from the html pages, it is impossible to get it without brute-forcing and guessing the paths. If the files are linked from the html pages, you may want to use some crawler for it.

For Java there is crawler4j.

answered Jun 26, 2013 at 14:07

Jiri Kremser

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