Indexing PDF documents

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3/18/2010 7:50:04 AM
retroviz
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Indexing PDF documents

Hi Joe,

I have a requirement to index the PDF documents stored in Shared Files Modules inside mp.

So my plan is to use something like iTextSharp to read in the content of the documents and then pass this to Lucene to index.

Could you give me a few details of how Lucene is integrated into mojoPortal with perhaps some clues as to the files I should look in.

I saw a HtmlIndexContentBuilderProvider so thought I should maybe implement a PDFIndexContentBuilderProvider. Since we are storing file extensions it should be easy enough to retrieve all PDFs.

Due to the size of the documents however, I probably would want the indexing of these documents to be a manual process as I certainly don't want them being indexed during the day.

Many thanks,
Ben

3/20/2010 7:07:07 AM
Joe Audette
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Re: Indexing PDF documents

Hi Ben,

I'm not really sure of a good strategy for indexing pdf documents directly, most solutions I've seen require some external indexing server. One of my customers had the same need and what I did was add a description field to the shared files feature, so what they do is copy the text content from the pdf and paste it into the description as plain text so it can be indexed by our search engine. They keep the description hidden and use it only for this purpose to make their pdf files come up in search results.

Hope it helps,

Joe

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