Extracting the custom properties from msword files.

[ahammad <ah...@gmail.com>]

Hello,

I'm working with Nutch to crawl some msword documents. What I'm trying to do
is to add custom properties to the msword files, so that when Nutch crawls,
it extracts those custom properties and indexes them. 

Nutch doesn't do that, so I came to the conclusion that I'll have to change
the msword parsers. From searching the web, I found that the best way to do
this is to use the CustomProperties and the DocumentSummaryInformation
classes. I followed the following example:

http://www.docjar.com/html/api/org/apache/poi/hpsf/examples/ModifyDocumentSummaryInformation.java.html

I kept all the parts that I needed to read the custom properties, but I get
syntax errors for:
dsi = PropertySetFactory.newDocumentSummaryInformation();
si = PropertySetFactory.newSummaryInformation();

The errors say:
The method newDocumentSummaryInformation() is undefined for the type
PropertySetFactory	
The method newSummaryInformation() is undefined for the type
PropertySetFactory	MSExtractor.java	

When I check the API page, those functions are defined. Why am I getting
this?

Also, this is what I believe to be the only way to do this. If there is a
better way to do this please suggest it. This is only the first step of the
process, I still need to figure out how to integrate this with Nutch's
msword parser.

Cheers

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Re: Extracting the custom properties from msword files.

[Nick Burch <ni...@torchbox.com>]

On Fri, 30 Jan 2009, ahammad wrote:
> Nutch doesn't do that, so I came to the conclusion that I'll have to 
> change the msword parsers. From searching the web, I found that the best 
> way to do this is to use the CustomProperties and the 
> DocumentSummaryInformation classes.

I think we might already have a class to do basically what you need:
http://poi.apache.org/apidocs/org/apache/poi/hpsf/extractor/HPSFPropertiesExtractor.html

Nick

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