[SLING-7117] add jsonpath expression for jsonpipe

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Pipes 1.0.4
• Fix Version/s: Pipes 1.1.0
• Component/s: Extensions
• Assignee: Nicolas Peltier
• Reporter: Nicolas Peltier
• Created: 08/Sep/17 19:22
• Updated: 25/Sep/17 09:45
• Resolved: 20/Sep/17 20:47

Description

it's not always that on the internet json streams are arrays of objects that interest us. More often you find the array you want to use somewhere within the json.
To adapt to this, JsonPipe configuration should mention where to fetch the array it will use for generating its output.

using JsonPath (http://goessner.net/articles/JsonPath/) seems good enough $.results e.g.