ballerinax/health.fhir.r4utils.fhirpath Ballerina library

FHIR R4 Utils FHIRPath module

Module Overview

This module provides processors and utilities for implementing FHIR Path for accessing and manipulating FHIR resources.

Sample Usage of the Module is Given Below:

import ballerina/io;
import ballerinax/health.fhir.r4utils.fhirpath;
json patient = {
        "resourceType" : "Patient",
        "id": "1",
        "meta": {
            "profile": [
                "http://hl7.org/fhir/StructureDefinition/Patient"
            ]
        },
        "active":true,
        "name":[
            {
                "use":"official",
                "family":"Chalmers",
                "given":[
                    "Peter",
                    "James"
                ]
            },
            {
                "use":"usual",
                "given":[
                    "Jim"
                ]
            }
        ],
        "gender":"male",
        "birthDate":"1974-12-25",
        "managingOrganization":{
            "reference":"Organization/1",
            "display":"Burgers University Medical Center"
        },
        "address":[
            {
                "use":"home",
                "line":[
                    "534 Erewhon St",
                    "sqw"
                ],
                "city":"PleasantVille",
                "district":"Rainbow",
                "state":"Vic",
                "postalCode":"3999",
                "country":"Australia"
            },
            {
                "use":"work",
                "line":[
                    "33[0] 6th St"
                ],
                "city":"Melbourne",
                "district":"Rainbow",
                "state":"Vic",
                "postalCode":"3000",
                "country":"Australia"
            }
        ]
    };

public function main() {
    string fPath = "Patient.address[4].city";
    fhirpath:FhirPathResult newFhirPathResult = fhirpath:getFhirPathResult(patient, fPath);
    if newFhirPathResult?.result is null {
        json outcome = newFhirPathResult?.resultenError;
        io:println(outcome.toString());
    }
    else {
        json outcome = newFhirPathResult?.result;
        io:println(outcome.toString());
    }
}