Examples with SHCParser org.hl7.fhir.r5.elementmodel.SHCParser used on opensource projects

Example 1 with SHCParser

use of org.hl7.fhir.r5.elementmodel.SHCParser in project org.hl7.fhir.core by hapifhir.

the class ResourceChecker method checkIsResource.

// protected static Manager.FhirFormat checkIsResource(SimpleWorkerContext context, boolean debug, String path) throws IOException {
// 
// if (Utilities.existsInList(ext, "json"))
// return Manager.FhirFormat.JSON;
// if (Utilities.existsInList(ext, "map"))
// return Manager.FhirFormat.TEXT;
// if (Utilities.existsInList(ext, "txt"))
// return Manager.FhirFormat.TEXT;
// if (Utilities.existsInList(ext, "jwt", "jws"))
// return Manager.FhirFormat.SHC;
// 
// return checkIsResource(context, debug, TextFile.fileToBytes(path), path);
// }
public static Manager.FhirFormat checkIsResource(SimpleWorkerContext context, boolean debug, byte[] cnt, String filename, boolean guessFromExtension) {
    System.out.println("   ..Detect format for " + filename);
    if (cnt.length == 0) {
        System.out.println("   " + filename + " is empty");
        return null;
    }
    if (guessFromExtension) {
        String ext = Utilities.getFileExtension(filename);
        if (Utilities.existsInList(ext, "xml")) {
            return FhirFormat.XML;
        }
        if (Utilities.existsInList(ext, "ttl")) {
            return FhirFormat.TURTLE;
        }
        if (Utilities.existsInList(ext, "map")) {
            return Manager.FhirFormat.TEXT;
        }
        if (Utilities.existsInList(ext, "jwt", "jws")) {
            return Manager.FhirFormat.SHC;
        }
        if (Utilities.existsInList(ext, "json")) {
            // no, we have to look inside, and decide.
            try {
                JsonObject json = JsonTrackingParser.parseJson(cnt);
                if (json.has("verifiableCredential")) {
                    return FhirFormat.SHC;
                }
            } catch (Exception e) {
            }
            return FhirFormat.JSON;
        }
        if (Utilities.existsInList(ext, "txt")) {
            try {
                String src = TextFile.bytesToString(cnt);
                if (src.startsWith("shc:/")) {
                    return FhirFormat.SHC;
                }
            } catch (Exception e) {
            }
            return Manager.FhirFormat.TEXT;
        }
    }
    try {
        Manager.parse(context, new ByteArrayInputStream(cnt), Manager.FhirFormat.JSON);
        return Manager.FhirFormat.JSON;
    } catch (Exception e) {
        if (debug) {
            System.out.println("Not JSON: " + e.getMessage());
        }
    }
    try {
        ValidatorUtils.parseXml(cnt);
        return Manager.FhirFormat.XML;
    } catch (Exception e) {
        if (debug) {
            System.out.println("Not XML: " + e.getMessage());
        }
    }
    try {
        Manager.parse(context, new ByteArrayInputStream(cnt), Manager.FhirFormat.TURTLE);
        return Manager.FhirFormat.TURTLE;
    } catch (Exception e) {
        if (debug) {
            System.out.println("Not Turtle: " + e.getMessage());
        }
    }
    try {
        String s = new String(cnt, StandardCharsets.UTF_8);
        if (s.startsWith("shc:/"))
            s = SHCParser.decodeQRCode(s);
        JWT jwt = new SHCParser(context).decodeJWT(s);
        return Manager.FhirFormat.SHC;
    } catch (Exception e) {
        if (debug) {
            System.out.println("Not a smart health card: " + e.getMessage());
        }
    }
    try {
        new StructureMapUtilities(context, null, null).parse(TextFile.bytesToString(cnt), null);
        return Manager.FhirFormat.TEXT;
    } catch (Exception e) {
        if (debug) {
            System.out.println("Not Text: " + e.getMessage());
        }
    }
    if (debug)
        System.out.println("     .. not a resource: " + filename);
    return null;
}