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https://issues.apache.org/jira/browse/SLING-7621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16456090#comment-16456090
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Marek Krokosinski commented on SLING-7621:
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Additionally, I was thinking if we can keep the old way of path checking
(namely by matching path with 'startsWith'). I'm not sure if it's needed.
In Configuration class we could, instead of returning Pattern, return a
PathValidator. There would be two PathValidators, one for path prefix matching,
second for matching path with regular expression.
The correct validator would be instantiated based on the value in the
configuration. If path would start with ^ and end with $, the
RegexPathValidator would be instantiated, otherwise PrefixPathValidator would
be instantiated.
What do you think ?
> Regex path matching in Sling Dynamic Include
> --------------------------------------------
>
> Key: SLING-7621
> URL: https://issues.apache.org/jira/browse/SLING-7621
> Project: Sling
> Issue Type: New Feature
> Affects Versions: Dynamic Include 3.0.0
> Reporter: Marek Krokosinski
> Priority: Major
>
> In some cases one might want to include external content to a page. Example
> of such external content are AEM Experience Fragments or Content Fragments,
> or Zen Garden Snippets.
> Sometimes such 3rd party content can be categorized into two categories:
> * not included by SDI - content which should not be included separately (for
> example when content requires page context)
> * included by SDI - content which is static, so it can be cached because it
> does not change often (header, footer), or because it changes once per week
> and we don't want to invalidate whole cache.
> Example content structure:
> * /content/my-site/my-micro-site/en_gl/content/fragments/
> * /content/my-site/my-micro-site/en_gl/content/fragments/cacheable-fragments
> When content is specific to market (by market I mean for example British
> market, German market etc.), and we would want to include that 3rd party
> content using SDI, we would have to provide one Sling Dynamic Include
> configuration per market.
> As you may know, one site can have 100 or more markets, it means at least
> 100 configuration for such simple case (and usually, it's not the only one!).
> Solution for this problem is to change the way, how SDI performs check on the
> path.
> Currently SDI checks if requested resource path starts from the configured
> path.
> Instead of simple check with startsWith, SDI should support regular
> expressions, which are much more flexible.
> In the given scenario we would have one simple configuration with path
> configured to:
> ^/content/my-site/([a-zA-Z-_]+)/([a-z]{2}_[a-z]{2})/content/fragments/cacheable-fragments$
> I have created pull requests which also provides some unit tests for
> Configuration and ConfigurationWhiteboard classes.
>
> Pull request:
> https://github.com/apache/sling-org-apache-sling-dynamic-include/pull/3
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