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From "Chris A. Mattmann (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TIKA-1680) Add configuration layer to configure, Parsers default configurable properties.
Date Tue, 04 Aug 2015 03:17:04 GMT

    [ https://issues.apache.org/jira/browse/TIKA-1680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14653010#comment-14653010
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Chris A. Mattmann commented on TIKA-1680:
-----------------------------------------

I also think this is tied to ServiceLoading. IMO we need to destroy that for 2.0. I need to
find the cycles to do that.

> Add configuration layer to configure, Parsers default configurable properties.
> ------------------------------------------------------------------------------
>
>                 Key: TIKA-1680
>                 URL: https://issues.apache.org/jira/browse/TIKA-1680
>             Project: Tika
>          Issue Type: Improvement
>          Components: config
>            Reporter: Mario Costa
>            Priority: Minor
>
> In several conditions, we want to change the default tika configuration, for some specific
parsers, to change the behaviour of libraries/components wrapped in the parsers.
> Currently, the ParseContext class allows, for means of passing this default configuration.
> Add means, to load from a configuration database/files default configuration to override,
currently hard coded, defaults.
> E.g. #TIKA-640, there are no means to change the defaults, by means of configuration
files, with out having to change, tika source.
> - Sugestion
> - Add a  ParserConfigurationFactory, to delegate configuration loading, to a database/property
based file etc.
> - Allow for configuration factory instance to be configured via file, like tika-config.xml
for Parsers.
> interface ParserConfigurationFactory {
> /**
> * Create or fille the given ParseContext with the default configuration for the parser
class...
> */
>     <P extends Parser> ParseContext getDefaultConfig(Class<P> class, ParseContext
ctx);
> }
> Replace when creating a ParseContext, by 
> ParseContext ctx = ParserConfigurationFactorySingleton.getSingleton().getDefaultConfig(...)
...
> Filling the configuration, given a set of properties, could be done via a class <ParserName>ConfigBuilder
that know how to build and set the configuration properties in specific objects (such as MimeConfig),
related to 3rd party external libraries ...
> Best regards,
> mc



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