@Override
public void encodeTagListToWriter(TagList theTagList, Writer theWriter) throws IOException {
try {
XMLStreamWriter eventWriter = createXmlWriter(theWriter);
eventWriter.writeStartElement(TagList.ELEMENT_NAME_LC);
eventWriter.writeDefaultNamespace(FHIR_NS);
for (Tag next : theTagList) {
eventWriter.writeStartElement(TagList.ATTR_CATEGORY);
if (isNotBlank(next.getTerm())) {
eventWriter.writeAttribute(Tag.ATTR_TERM, next.getTerm());
}
if (isNotBlank(next.getLabel())) {
eventWriter.writeAttribute(Tag.ATTR_LABEL, next.getLabel());
}
if (isNotBlank(next.getScheme())) {
eventWriter.writeAttribute(Tag.ATTR_SCHEME, next.getScheme());
}
eventWriter.writeEndElement();
}
eventWriter.writeEndElement();
eventWriter.close();
} catch (XMLStreamException e) {
throw new ConfigurationException("Failed to initialize STaX event factory", e);
}
}
private void writeCategories(XMLStreamWriter eventWriter, TagList categories)
throws XMLStreamException {
if (categories != null) {
for (Tag next : categories) {
eventWriter.writeStartElement("category");
eventWriter.writeAttribute("term", defaultString(next.getTerm()));
eventWriter.writeAttribute("label", defaultString(next.getLabel()));
eventWriter.writeAttribute("scheme", defaultString(next.getScheme()));
eventWriter.writeEndElement();
}
}
}
private void encodeResourceToXmlStreamWriter(
IBaseResource theResource,
XMLStreamWriter theEventWriter,
boolean theContainedResource,
String theResourceId)
throws XMLStreamException {
if (!theContainedResource) {
super.containResourcesForEncoding(theResource);
}
RuntimeResourceDefinition resDef = myContext.getResourceDefinition(theResource);
if (resDef == null) {
throw new ConfigurationException("Unknown resource type: " + theResource.getClass());
}
theEventWriter.writeStartElement(resDef.getName());
theEventWriter.writeDefaultNamespace(FHIR_NS);
if (theResource instanceof IAnyResource) {
// HL7.org Structures
encodeCompositeElementToStreamWriter(
theResource, theResource, theEventWriter, resDef, theContainedResource);
} else {
if (myContext.getVersion().getVersion().isNewerThan(FhirVersionEnum.DSTU1)) {
// DSTU2+
IResource resource = (IResource) theResource;
writeOptionalTagWithValue(theEventWriter, "id", theResourceId);
InstantDt updated =
(InstantDt) resource.getResourceMetadata().get(ResourceMetadataKeyEnum.UPDATED);
IdDt resourceId = resource.getId();
String versionIdPart = resourceId.getVersionIdPart();
if (isBlank(versionIdPart)) {
versionIdPart = ResourceMetadataKeyEnum.VERSION.get(resource);
}
List<BaseCodingDt> securityLabels =
extractMetadataListNotNull(resource, ResourceMetadataKeyEnum.SECURITY_LABELS);
List<IdDt> profiles =
extractMetadataListNotNull(resource, ResourceMetadataKeyEnum.PROFILES);
TagList tags = ResourceMetadataKeyEnum.TAG_LIST.get(resource);
if (ElementUtil.isEmpty(versionIdPart, updated, securityLabels, profiles) == false) {
theEventWriter.writeStartElement("meta");
writeOptionalTagWithValue(theEventWriter, "versionId", versionIdPart);
if (updated != null) {
writeOptionalTagWithValue(theEventWriter, "lastUpdated", updated.getValueAsString());
}
for (IdDt profile : profiles) {
theEventWriter.writeStartElement("profile");
theEventWriter.writeAttribute("value", profile.getValue());
theEventWriter.writeEndElement();
}
for (BaseCodingDt securityLabel : securityLabels) {
theEventWriter.writeStartElement("security");
BaseRuntimeElementCompositeDefinition<?> def =
(BaseRuntimeElementCompositeDefinition<?>)
myContext.getElementDefinition(securityLabel.getClass());
encodeCompositeElementChildrenToStreamWriter(
resource, securityLabel, theEventWriter, def.getChildren(), theContainedResource);
theEventWriter.writeEndElement();
}
if (tags != null) {
for (Tag tag : tags) {
theEventWriter.writeStartElement("tag");
writeOptionalTagWithValue(theEventWriter, "system", tag.getScheme());
writeOptionalTagWithValue(theEventWriter, "code", tag.getTerm());
writeOptionalTagWithValue(theEventWriter, "display", tag.getLabel());
theEventWriter.writeEndElement();
}
}
theEventWriter.writeEndElement();
}
if (theResource instanceof IBaseBinary) {
IBaseBinary bin = (IBaseBinary) theResource;
writeOptionalTagWithValue(theEventWriter, "contentType", bin.getContentType());
writeOptionalTagWithValue(theEventWriter, "content", bin.getContentAsBase64());
} else {
encodeResourceToStreamWriterInDstu2Format(
resDef, theResource, theResource, theEventWriter, resDef, theContainedResource);
}
} else {
// DSTU1
if (theResourceId != null && theContainedResource) {
theEventWriter.writeAttribute("id", theResourceId);
}
if (theResource instanceof IBaseBinary) {
IBaseBinary bin = (IBaseBinary) theResource;
if (bin.getContentType() != null) {
theEventWriter.writeAttribute("contentType", bin.getContentType());
}
theEventWriter.writeCharacters(bin.getContentAsBase64());
} else {
encodeCompositeElementToStreamWriter(
theResource, theResource, theEventWriter, resDef, theContainedResource);
}
}
}
theEventWriter.writeEndElement();
}