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I am using nutch 1.4 to implement a focused crawler. Can anyone tell me how to use the nutch CrawlDbReader, LinkDbReader and SegmentReader APIs in my JSP program so that I can create custom UI for my project.
Specifically, I need to issue commands like readdb, readseg etc to the crawl data and get the output through a browser.
Is there something special with these APIs that make this more than “pass data from server to client” issue?
You can use the APIs to get the data. Just look how they are used by nutch.sh, and how the main() is built and do something similar. Then pass the data to the client wither by XML or by JSON or any other way.