cq5 - How does page.thumb.319.319.png get resolved in Adobe AEM? -


i can't seem figure out how adobe aem (formerly cq) resolving thumb url.

given following url:

/content/geometrixx-outdoors/en.thumb.319.319.png

"en" reference content relies on geometrixx-outdoors/components/page_home sling:resourcetype.

"thumb", "319" , "319" selectors, component "page_home" not have matching jsp such thumb.png.jsp handle request.

page_home inherits geometrixx-outdoors/components/page in turn inherits foundation/components/page. later has jsp called thumbnail.jpg.jsp isn't match either.

then there strange directory (i.e., isn't component) called /libs/foundation/components/primary/cq/page find thumb.png.jsp. according logging added, script participating in request; though not sure how. includes proxy.jsp includes jcr:content node.

i suspect including jcr:content means call to: 

/content/info-site/en/_jcr_content.thumb.319.319.png

at point, unclear happens. seems default get.java must kick in or something. however, can't find _jcr_content.png.jsp or png.get.java. there class @ /var/classes/org/apache/jsp/libs/foundation/components/primary/cq/page/thumb_png_jsp.java looks work, not sure how gets called.

edit: realized /var/classes/org/apache/jsp/libs/foundation/components/primary/cq/page/thumb_png_jsp.java compiled version of aforementioned thumb.png.jsp guess dead end.

it resolved not through jsp through com.day.cq.wcm.core.impl.servlets.thumbnailservlet servlet component.

this servlet registered respond sling/servlet/default resourcetype , thumb selector. respond request selector.

you can in component list of osgi web console


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