How to use java to gather online information

Hello
What i want to do is provide the application with a set of urls, have the app gather some data (i.e. pricing, product list, etc) automatically.
ex. give the app a url address and have the app gather the price data on certain products.
I looked through the API couldn't find anything. any ideas?
thansk

What you need is something similar to a search engine spider. Try using the standard java.net api to open an http url, parse the output and collect the data.

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