n2k mappings as jsonPath queries

n2kMapping.json

{
    "126992": [
        {
            "source": "$.fields.Date",
            "node": "environment.date"
        },
        {
            "source": "$.fields.Time",
            "node": "environment.time"
        }
    ],
    "128267": [
        {
            "source": "$.fields.Depth",
            "node": "environment.depth.belowTransducer"
        }
    ],
    "128275": [
        {
            "source": "$.fields.Trip_Log",
            "node": "navigation.logTrip"
        },
        {
            "source": "$.fields.Log",
            "node": "navigation.log"
        }
    ],
    "129026": [
        {
            "source": "$.fields.SOG",
            "node": "navigation.speedOverGround"
        },
        {
            "source": "$.fields[?(@.COG_Reference=='True')].COG",
            "node": "navigation.courseOverGroundTrue"
        },
        {
            "source": "$.fields[?(@.COG_Reference=='Magnetic')].COG",
            "node": "navigation.courseOverGroundMagnetic"
        }
    ],
    "129025": [
        {
            "source": {
                "longitude": "$.fields.Longitude",
                "latitude": "$.fields.Latitude"
            },
            "node": "navigation.position"
        }
    ],
    "127250": [
        {
            "source": "$.fields[?(@.Reference=='Magnetic' && @.Heading)].Heading",
            "node": "navigation.headingMagnetic"
        },
        {
            "source": "$.fields[?(@.Variation)].Variation",
            "node": "navigation.magneticVariation"
        }
    ],
    "127245": [
        {
            "source": "$.fields[?(@.Position)].Position",
            "node": "steering.rudderAngle"
        }
    ],
    "127257": [
        {
            "source": "$.fields.Yaw",
            "node": "navigation.yaw"
        },
        {
            "source": "$.fields.Pitch",
            "node": "navigation.pitch"
        },
        {
            "source": "$.fields.Roll",
            "node": "navigation.roll"
        }
    ],
    "130306": [
        {
            "source": "$.fields[?(@.Reference=='Apparent')].WindSpeed",
            "node": "environment.wind.speedApparent"
        },
        {
            "source": "$.fields[?(@.Reference=='True_(boat_referenced)')].WindSpeed",
            "node": "environment.wind.speedTrue"
        },
        {
            "source": "$.fields[?(@.Reference=='True_(ground_referenced_to_North)')].WindSpeed",
            "node": "environment.wind.speedOverGround"
        },
        {
            "source": "$.fields[?(@.Reference=='Apparent')].WindAngle",
            "node": "environment.wind.angleApparent"
        },
        {
            "source": "$.fields[?(@.Reference=='True_(boat_referenced)')].WindAngle",
            "node": "environment.wind.angleTrue"
        },
        {
            "source": "$.fields[?(@.Reference=='True_(ground_referenced_to_North)')].WindAngle",
            "node": "environment.wind.directionTrue"
        }
    ],
    "127251": [
        {
            "source": "$.fields.Rate",
            "node": "navigation.rateOfTurn"
        }
    ],
    "127258": [
        {
            "source": "$.fields.Variation",
            "node": "navigation.position.variation"
        }
    ],
    "128259": [
        {
            "source": "$.fields.SpeedWaterReferenced",
            "node": "navigation.speedThroughWater"
        }
    ],
    "130577": [
        {
            "source": "$.fields[?(@.COGReference=='True')].COG",
            "node": "navigation.courseOverGroundTrue"
        },
        {
            "source": "$.fields.SOG",
            "node": "navigation.speedOverGround"
        },
        {
            "source": "$.fields[?(@.COGReference=='True' && @.Set)].Set",
            "node": "navigation.current.setTrue"
        },
        {
            "source": "$.fields.Drift",
            "node": "navigation.current.drift"
       
        }
    ],
    "129291": [
        {
            "source": "$.fields[?(@.SetReference=='True')].Set",
            "node": "navigation.current.setTrue"
        },
        {
            "source": "$.fields.Drift",
            "node": "navigation.current.drift"
            
        }
    ]
}