RSS River Plugin offers a simple way to index RSS feeds into elasticsearch.
'fr.pilato.elasticsearch.river:rssriver:0.3.0'
<dependency>
<groupId>fr.pilato.elasticsearch.river</groupId>
<artifactId>rssriver</artifactId>
<version>0.3.0</version>
</dependency>
<dependency org="fr.pilato.elasticsearch.river" name="rssriver" rev="0.3.0"/>
"fr.pilato.elasticsearch.river", "rssriver", "0.3.0"