A JSON implementation as a JRuby extension.
'rubygems:json:1.8.0'
<dependency>
<groupId>rubygems</groupId>
<artifactId>json</artifactId>
<version>1.8.0</version>
</dependency>
<dependency org="rubygems" name="json" rev="1.8.0"/>
"rubygems", "json", "1.8.0"