JarCastingFHIR Protobuf
Experimental FHIR parser that serializes to Protobuf. See this to see motivation.
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Warning
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This is not an official FHIR format. This was written before google open sourced their implementation of fhir protocol buffers. Based on what we’ve seen on the mailing lists, it appears that the google implementation will be adopted as an official standard. |
Features
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✓ Parse and Create Protobufs using Protobuf DSL
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✓ Parse and Create Protobuf’s JSON using Protobuf DSL
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✓ Convert Standard JSON to Protobuf JSON
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✓ Convert Protobuf JSON to Standard JSON
Usage
Download the library you need from Maven
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Types 
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Contains types for parsing Protobuf binary and JSON formats. |
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Translate 
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Supports translation of FHIR JSON to Protobuf JSON and back. Depends on Types. |
Once released, the artifact will ba available on Maven Central. Until then, snapshots can be downloaded from Sonatype OSS.
To create a practitioner
Practitioner practitioner = Practitioner.newBuilder().
setId("Practitioner_1").
addName(HumanName.newBuilder().
addGiven("Bob").
setFamily("Kelso")).
setGender(Practitioner_gender.Practitioner_gender_male).
addIdentifier(Identifier.newBuilder().
setSystem("https://stmarys.com/practitioners").
setValue("BK001")).
build();
To serialize to Protobuf Binary Format
byte[] protobufByteArray = practitioner.toByteArray();
To parse from Protobuf Binary Format
Practitioner practitionerFromBinary = Practitioner.parseFrom(protobufByteArray);
To serialize to Protobuf Json Format
String protobufJson = JsonFormat.printer().print(practitioner);
To parseFrom Protobuf Json Format
Practitioner.Builder jsonPractitionerBuilder = Practitioner.newBuilder();
JsonFormat.parser().merge(protobufJson, jsonPractitionerBuilder);
Practitioner practitionerFromJson = jsonPractitionerBuilder.build();
To translate FHIR Json to Protobuf Json
String protoJson = Converter.fromFhirJson(fhirJsonAsString);
To translate Protobuf Json to FHIR Json
String fhirJson = Converter.toFhirJson(protoJson);