[jira] Commented: (DROIDS-126) Bypass Protocol and Parser factories and make CrawlingWorker ask for it's collaborators directly

["Eugen Paraschiv (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DROIDS-126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12997138#comment-12997138 ] 

Eugen Paraschiv commented on DROIDS-126:
----------------------------------------

I'm aware that there have been other discussions about the usage of factories. My hope is to get some feedback here and hopefully simplify this API, by: 
1. introducing 2 new methods that do not go through the factory: 
droid.getProtocol(uri);
droid.getParser(contentType);

2. not publishing the factory related API

3. removing the 2 factories altogether

> Bypass Protocol and Parser factories and make CrawlingWorker ask for it's collaborators directly
> ------------------------------------------------------------------------------------------------
>
>                 Key: DROIDS-126
>                 URL: https://issues.apache.org/jira/browse/DROIDS-126
>             Project: Droids
>          Issue Type: Improvement
>            Reporter: Eugen Paraschiv
>
> The factory usage in CrawlingWorker and CrawlingDroids makes the API hard to use and breaks the Law of Demeter - instead of the worker asking for what it needs, it has to first ask for the factory and then retrieve it's collaborator from it: 
> droid.getProtocolFactory().getProtocol(uri);
> droid.getParserFactory().getParser(contentType);
> This makes the API harder to use and introduces unnecessary complexity into the API. 

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