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/*
* #%L
* HAPI FHIR - Core Library
* %%
* Copyright (C) 2014 - 2024 Smile CDR, Inc.
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
package ca.uhn.fhir.parser;
import ca.uhn.fhir.context.BaseRuntimeChildDefinition;
import ca.uhn.fhir.context.BaseRuntimeChildDefinition.IMutator;
import ca.uhn.fhir.context.BaseRuntimeElementCompositeDefinition;
import ca.uhn.fhir.context.BaseRuntimeElementDefinition;
import ca.uhn.fhir.context.FhirContext;
import ca.uhn.fhir.context.FhirVersionEnum;
import ca.uhn.fhir.context.RuntimeChildChoiceDefinition;
import ca.uhn.fhir.context.RuntimeChildDeclaredExtensionDefinition;
import ca.uhn.fhir.context.RuntimePrimitiveDatatypeDefinition;
import ca.uhn.fhir.context.RuntimePrimitiveDatatypeNarrativeDefinition;
import ca.uhn.fhir.context.RuntimePrimitiveDatatypeXhtmlHl7OrgDefinition;
import ca.uhn.fhir.context.RuntimeResourceBlockDefinition;
import ca.uhn.fhir.context.RuntimeResourceDefinition;
import ca.uhn.fhir.i18n.Msg;
import ca.uhn.fhir.model.api.ExtensionDt;
import ca.uhn.fhir.model.api.IElement;
import ca.uhn.fhir.model.api.IIdentifiableElement;
import ca.uhn.fhir.model.api.IResource;
import ca.uhn.fhir.model.api.ISupportsUndeclaredExtensions;
import ca.uhn.fhir.model.api.ResourceMetadataKeyEnum;
import ca.uhn.fhir.model.api.Tag;
import ca.uhn.fhir.model.api.TagList;
import ca.uhn.fhir.model.api.annotation.Child;
import ca.uhn.fhir.model.base.resource.ResourceMetadataMap;
import ca.uhn.fhir.model.primitive.IdDt;
import ca.uhn.fhir.model.primitive.InstantDt;
import ca.uhn.fhir.model.primitive.XhtmlDt;
import ca.uhn.fhir.parser.json.BaseJsonLikeValue.ScalarType;
import ca.uhn.fhir.parser.json.BaseJsonLikeValue.ValueType;
import ca.uhn.fhir.util.BundleUtil;
import ca.uhn.fhir.util.FhirTerser;
import ca.uhn.fhir.util.ReflectionUtil;
import ca.uhn.fhir.util.XmlUtil;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.Validate;
import org.apache.commons.lang3.math.NumberUtils;
import org.apache.commons.lang3.tuple.Pair;
import org.hl7.fhir.instance.model.api.IAnyResource;
import org.hl7.fhir.instance.model.api.IBase;
import org.hl7.fhir.instance.model.api.IBaseBackboneElement;
import org.hl7.fhir.instance.model.api.IBaseBundle;
import org.hl7.fhir.instance.model.api.IBaseElement;
import org.hl7.fhir.instance.model.api.IBaseExtension;
import org.hl7.fhir.instance.model.api.IBaseHasExtensions;
import org.hl7.fhir.instance.model.api.IBaseHasModifierExtensions;
import org.hl7.fhir.instance.model.api.IBaseMetaType;
import org.hl7.fhir.instance.model.api.IBaseReference;
import org.hl7.fhir.instance.model.api.IBaseResource;
import org.hl7.fhir.instance.model.api.IBaseXhtml;
import org.hl7.fhir.instance.model.api.ICompositeType;
import org.hl7.fhir.instance.model.api.IIdType;
import org.hl7.fhir.instance.model.api.IPrimitiveType;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.xml.stream.events.StartElement;
import javax.xml.stream.events.XMLEvent;
import static org.apache.commons.lang3.StringUtils.defaultIfBlank;
import static org.apache.commons.lang3.StringUtils.isNotBlank;
import static org.apache.commons.lang3.StringUtils.isNotEmpty;
class ParserState {
private static final org.slf4j.Logger ourLog = org.slf4j.LoggerFactory.getLogger(ParserState.class);
private final FhirContext myContext;
private final IParserErrorHandler myErrorHandler;
private final boolean myJsonMode;
private final IParser myParser;
private List myComments = new ArrayList(2);
private T myObject;
private IBase myPreviousElement;
private BaseState myState;
private List myGlobalResources = new ArrayList<>();
private List myGlobalReferences = new ArrayList<>();
private ParserState(
IParser theParser, FhirContext theContext, boolean theJsonMode, IParserErrorHandler theErrorHandler) {
myParser = theParser;
myContext = theContext;
myJsonMode = theJsonMode;
myErrorHandler = theErrorHandler;
}
public void attributeValue(String theName, String theValue) throws DataFormatException {
myState.attributeValue(theName, theValue);
}
public void commentPost(String theCommentText) {
if (myPreviousElement != null) {
myPreviousElement.getFormatCommentsPost().add(theCommentText);
}
}
public void commentPre(String theCommentText) {
if (myState.getCurrentElement() != null) {
IBase element = myState.getCurrentElement();
element.getFormatCommentsPre().add(theCommentText);
}
}
boolean elementIsRepeating(String theChildName) {
return myState.elementIsRepeating(theChildName);
}
void endingElement() throws DataFormatException {
myState.endingElement();
}
void enteringNewElement(String theNamespaceUri, String theName) throws DataFormatException {
myState.enteringNewElement(theNamespaceUri, theName);
}
void enteringNewElementExtension(
StartElement theElem, String theUrlAttr, boolean theIsModifier, final String baseServerUrl) {
myState.enteringNewElementExtension(theElem, theUrlAttr, theIsModifier, baseServerUrl);
}
public T getObject() {
return myObject;
}
boolean isPreResource() {
return myState.isPreResource();
}
boolean isToplevelResourceElement() {
return myState instanceof ParserState.ResourceStateHl7Org || myState instanceof ParserState.ResourceStateHapi;
}
private Object newContainedDt(IResource theTarget) {
return ReflectionUtil.newInstance(theTarget
.getStructureFhirVersionEnum()
.getVersionImplementation()
.getContainedType());
}
@SuppressWarnings("unchecked")
private void pop() {
myPreviousElement = myState.getCurrentElement();
if (myState.myStack != null) {
myState = myState.myStack;
myState.wereBack();
} else {
myObject = (T) myState.getCurrentElement();
myState = null;
}
}
private void push(BaseState theState) {
theState.setStack(myState);
myState = theState;
if (myComments.isEmpty() == false) {
if (myState.getCurrentElement() != null) {
myState.getCurrentElement().getFormatCommentsPre().addAll(myComments);
myComments.clear();
}
}
}
public void string(String theData) {
myState.string(theData);
}
/**
* Invoked after any new XML event is individually processed, containing a copy of the XML event. This is basically
* intended for embedded XHTML content
*/
void xmlEvent(XMLEvent theNextEvent) {
if (myState != null) {
myState.xmlEvent(theNextEvent);
}
}
public IBase newInstance(RuntimeChildDeclaredExtensionDefinition theDefinition) {
return theDefinition.newInstance();
}
public ICompositeType newCompositeInstance(
BasePreResourceState thePreResourceState,
BaseRuntimeChildDefinition theChild,
BaseRuntimeElementCompositeDefinition theCompositeTarget) {
ICompositeType retVal =
(ICompositeType) theCompositeTarget.newInstance(theChild.getInstanceConstructorArguments());
if (retVal instanceof IBaseReference) {
IBaseReference ref = (IBaseReference) retVal;
myGlobalReferences.add(ref);
thePreResourceState.getLocalReferences().add(ref);
}
return retVal;
}
public ICompositeType newCompositeTypeInstance(
BasePreResourceState thePreResourceState, BaseRuntimeElementCompositeDefinition theCompositeTarget) {
ICompositeType retVal = (ICompositeType) theCompositeTarget.newInstance();
if (retVal instanceof IBaseReference) {
IBaseReference ref = (IBaseReference) retVal;
myGlobalReferences.add(ref);
thePreResourceState.getLocalReferences().add(ref);
}
return retVal;
}
public IPrimitiveType newPrimitiveInstance(
RuntimeChildDeclaredExtensionDefinition theDefinition,
RuntimePrimitiveDatatypeDefinition thePrimitiveTarget) {
return thePrimitiveTarget.newInstance(theDefinition.getInstanceConstructorArguments());
}
public IPrimitiveType getPrimitiveInstance(
BaseRuntimeChildDefinition theChild,
RuntimePrimitiveDatatypeDefinition thePrimitiveTarget,
String theChildName) {
return thePrimitiveTarget.newInstance(theChild.getInstanceConstructorArguments());
}
public IBaseXhtml newInstance(RuntimePrimitiveDatatypeXhtmlHl7OrgDefinition theXhtmlTarget) {
return theXhtmlTarget.newInstance();
}
public XhtmlDt newInstance(RuntimePrimitiveDatatypeNarrativeDefinition theXhtmlTarget) {
return theXhtmlTarget.newInstance();
}
public IPrimitiveType newInstance(RuntimePrimitiveDatatypeDefinition thePrimitiveTarget) {
return thePrimitiveTarget.newInstance();
}
public IBaseResource newInstance(RuntimeResourceDefinition theDef) {
IBaseResource retVal = theDef.newInstance();
myGlobalResources.add(retVal);
return retVal;
}
public IBase newInstance(RuntimeResourceBlockDefinition theBlockTarget) {
return theBlockTarget.newInstance();
}
private abstract class BaseState {
private BasePreResourceState myPreResourceState;
private BaseState myStack;
BaseState(BasePreResourceState thePreResourceState) {
super();
myPreResourceState = thePreResourceState;
}
/**
* @param theValue The attribute value
*/
public void attributeValue(String theName, String theValue) throws DataFormatException {
myErrorHandler.unknownAttribute(null, theName);
}
public boolean elementIsRepeating(String theChildName) {
return false;
}
public void endingElement() throws DataFormatException {
// ignore by default
}
/**
* @param theNamespaceUri The XML namespace (if XML) or null
*/
public void enteringNewElement(String theNamespaceUri, String theLocalPart) throws DataFormatException {
myErrorHandler.unknownElement(null, theLocalPart);
}
/**
* Default implementation just handles undeclared extensions
*/
@SuppressWarnings("unused")
public void enteringNewElementExtension(
StartElement theElement, String theUrlAttr, boolean theIsModifier, final String baseServerUrl) {
if (myPreResourceState != null && getCurrentElement() instanceof ISupportsUndeclaredExtensions) {
ExtensionDt newExtension = new ExtensionDt(theIsModifier);
newExtension.setUrl(theUrlAttr);
ISupportsUndeclaredExtensions elem = (ISupportsUndeclaredExtensions) getCurrentElement();
elem.addUndeclaredExtension(newExtension);
ExtensionState newState = new ExtensionState(myPreResourceState, newExtension);
push(newState);
} else {
if (theIsModifier == false) {
if (getCurrentElement() instanceof IBaseHasExtensions) {
IBaseExtension ext = ((IBaseHasExtensions) getCurrentElement()).addExtension();
ext.setUrl(theUrlAttr);
ParserState.ExtensionState newState = new ExtensionState(myPreResourceState, ext);
push(newState);
} else {
logAndSwallowUnexpectedElement("extension");
}
} else {
if (getCurrentElement() instanceof IBaseHasModifierExtensions) {
IBaseExtension ext =
((IBaseHasModifierExtensions) getCurrentElement()).addModifierExtension();
ext.setUrl(theUrlAttr);
ParserState.ExtensionState newState = new ExtensionState(myPreResourceState, ext);
push(newState);
} else {
logAndSwallowUnexpectedElement("modifierExtension");
}
}
}
}
protected IBase getCurrentElement() {
return null;
}
BasePreResourceState getPreResourceState() {
return myPreResourceState;
}
public boolean isPreResource() {
return false;
}
void logAndSwallowUnexpectedElement(String theLocalPart) {
myErrorHandler.unknownElement(null, theLocalPart);
push(new SwallowChildrenWholeState(getPreResourceState()));
}
public void setStack(BaseState theState) {
myStack = theState;
}
/**
* @param theData The string value
*/
public void string(String theData) {
// ignore by default
}
public void wereBack() {
// allow an implementor to override
}
/**
* @param theNextEvent The XML event
*/
public void xmlEvent(XMLEvent theNextEvent) {
// ignore
}
}
private class ContainedResourcesStateHapi extends BasePreResourceState {
public ContainedResourcesStateHapi(BasePreResourceState thePreResourcesState) {
super(thePreResourcesState, thePreResourcesState.myInstance.getStructureFhirVersionEnum());
}
@Override
public void endingElement() throws DataFormatException {
pop();
}
@Override
protected void populateTarget() {
// nothing
}
@Override
public void wereBack() {
super.wereBack();
IResource res = (IResource) getCurrentElement();
assert res != null;
if (res.getId() == null || res.getId().isEmpty()) {
// If there is no ID, we don't keep the resource because it's useless (contained resources
// need an ID to be referred to)
myErrorHandler.containedResourceWithNoId(null);
} else {
if (!res.getId().isLocal()) {
res.setId(new IdDt('#' + res.getId().getIdPart()));
}
getPreResourceState().getContainedResources().put(res.getId().getValueAsString(), res);
}
IResource preResCurrentElement = (IResource) getPreResourceState().getCurrentElement();
@SuppressWarnings("unchecked")
List containedResources =
(List) preResCurrentElement.getContained().getContainedResources();
containedResources.add(res);
}
}
private class ContainedResourcesStateHl7Org extends BasePreResourceState {
public ContainedResourcesStateHl7Org(BasePreResourceState thePreResourcesState) {
super(thePreResourcesState, thePreResourcesState.myParentVersion);
}
@Override
public void endingElement() throws DataFormatException {
pop();
}
@Override
protected void populateTarget() {
// nothing
}
@Override
public void wereBack() {
super.wereBack();
IBaseResource res = getCurrentElement();
assert res != null;
if (res.getIdElement() == null || res.getIdElement().isEmpty()) {
// If there is no ID, we don't keep the resource because it's useless (contained resources
// need an ID to be referred to)
myErrorHandler.containedResourceWithNoId(null);
} else {
res.getIdElement().setValue('#' + res.getIdElement().getIdPart());
getPreResourceState()
.getContainedResources()
.put(res.getIdElement().getValue(), res);
}
IBaseResource preResCurrentElement = getPreResourceState().getCurrentElement();
RuntimeResourceDefinition def = myContext.getResourceDefinition(preResCurrentElement);
def.getChildByName("contained").getMutator().addValue(preResCurrentElement, res);
}
}
@SuppressWarnings("EnumSwitchStatementWhichMissesCases")
private class DeclaredExtensionState extends BaseState {
private IBase myChildInstance;
private RuntimeChildDeclaredExtensionDefinition myDefinition;
private IBase myParentInstance;
private BasePreResourceState myPreResourceState;
public DeclaredExtensionState(
BasePreResourceState thePreResourceState,
RuntimeChildDeclaredExtensionDefinition theDefinition,
IBase theParentInstance) {
super(thePreResourceState);
myPreResourceState = thePreResourceState;
myDefinition = theDefinition;
myParentInstance = theParentInstance;
}
@Override
public void attributeValue(String theName, String theValue) throws DataFormatException {
if (theName.equals("url")) {
// This can be ignored
return;
}
super.attributeValue(theName, theValue);
}
@Override
public void endingElement() throws DataFormatException {
pop();
}
@Override
public void enteringNewElement(String theNamespaceUri, String theLocalPart) throws DataFormatException {
BaseRuntimeElementDefinition target = myDefinition.getChildByName(theLocalPart);
if (target == null) {
myErrorHandler.unknownElement(null, theLocalPart);
push(new SwallowChildrenWholeState(getPreResourceState()));
return;
}
switch (target.getChildType()) {
case COMPOSITE_DATATYPE: {
BaseRuntimeElementCompositeDefinition compositeTarget =
(BaseRuntimeElementCompositeDefinition) target;
ICompositeType newChildInstance =
newCompositeInstance(getPreResourceState(), myDefinition, compositeTarget);
myDefinition.getMutator().addValue(myParentInstance, newChildInstance);
ElementCompositeState newState = new ElementCompositeState(
myPreResourceState, theLocalPart, compositeTarget, newChildInstance);
push(newState);
return;
}
case ID_DATATYPE:
case PRIMITIVE_DATATYPE: {
RuntimePrimitiveDatatypeDefinition primitiveTarget = (RuntimePrimitiveDatatypeDefinition) target;
IPrimitiveType newChildInstance = newPrimitiveInstance(myDefinition, primitiveTarget);
myDefinition.getMutator().addValue(myParentInstance, newChildInstance);
PrimitiveState newState = new PrimitiveState(
getPreResourceState(), newChildInstance, theLocalPart, primitiveTarget.getName());
push(newState);
return;
}
case PRIMITIVE_XHTML:
case RESOURCE:
case RESOURCE_BLOCK:
case UNDECL_EXT:
case EXTENSION_DECLARED:
default:
break;
}
}
@Override
public void enteringNewElementExtension(
StartElement theElement, String theUrlAttr, boolean theIsModifier, final String baseServerUrl) {
RuntimeChildDeclaredExtensionDefinition declaredExtension =
myDefinition.getChildExtensionForUrl(theUrlAttr);
if (declaredExtension != null) {
if (myChildInstance == null) {
myChildInstance = newInstance(myDefinition);
myDefinition.getMutator().addValue(myParentInstance, myChildInstance);
}
BaseState newState =
new DeclaredExtensionState(getPreResourceState(), declaredExtension, myChildInstance);
push(newState);
} else {
super.enteringNewElementExtension(theElement, theUrlAttr, theIsModifier, baseServerUrl);
}
}
@Override
protected IBase getCurrentElement() {
return myParentInstance;
}
}
private class ElementCompositeState extends BaseState {
private final BaseRuntimeElementCompositeDefinition myDefinition;
private final IBase myInstance;
private final Set myParsedNonRepeatableNames = new HashSet<>();
private final String myElementName;
ElementCompositeState(
BasePreResourceState thePreResourceState,
String theElementName,
BaseRuntimeElementCompositeDefinition theDef,
IBase theInstance) {
super(thePreResourceState);
myDefinition = theDef;
myInstance = theInstance;
myElementName = theElementName;
}
@Override
public void attributeValue(String theName, String theValue) throws DataFormatException {
if ("id".equals(theName)) {
if (myInstance instanceof IIdentifiableElement) {
((IIdentifiableElement) myInstance).setElementSpecificId((theValue));
} else if (myInstance instanceof IBaseElement) {
((IBaseElement) myInstance).setId(theValue);
}
} else {
if (myJsonMode) {
myErrorHandler.incorrectJsonType(
null, myElementName, ValueType.OBJECT, null, ValueType.SCALAR, ScalarType.STRING);
} else {
myErrorHandler.unknownAttribute(null, theName);
}
}
}
@Override
public boolean elementIsRepeating(String theChildName) {
BaseRuntimeChildDefinition child = myDefinition.getChildByName(theChildName);
if (child == null) {
return false;
}
return child.getMax() > 1 || child.getMax() == Child.MAX_UNLIMITED;
}
@Override
public void endingElement() {
pop();
}
@Override
public void enteringNewElement(String theNamespace, String theChildName) throws DataFormatException {
BaseRuntimeChildDefinition child = myDefinition.getChildByName(theChildName);
if (child == null) {
if (theChildName.equals("id")) {
if (getCurrentElement() instanceof IIdentifiableElement) {
push(new IdentifiableElementIdState(
getPreResourceState(), (IIdentifiableElement) getCurrentElement()));
return;
}
}
/*
* This means we've found an element that doesn't exist on the structure. If the error handler doesn't throw
* an exception, swallow the element silently along with any child elements
*/
myErrorHandler.unknownElement(null, theChildName);
push(new SwallowChildrenWholeState(getPreResourceState()));
return;
}
if ((child.getMax() == 0 || child.getMax() == 1)) {
String nameToCheck;
if (child instanceof RuntimeChildChoiceDefinition) {
RuntimeChildChoiceDefinition choiceChild = (RuntimeChildChoiceDefinition) child;
nameToCheck = choiceChild.getField().getName();
} else {
nameToCheck = theChildName;
}
if (!myParsedNonRepeatableNames.add(nameToCheck)) {
myErrorHandler.unexpectedRepeatingElement(null, nameToCheck);
push(new SwallowChildrenWholeState(getPreResourceState()));
return;
}
}
BaseRuntimeElementDefinition target = child.getChildByName(theChildName);
if (target == null) {
// This is a bug with the structures and shouldn't happen.
throw new DataFormatException(
Msg.code(1809) + "Found unexpected element '" + theChildName + "' in parent element '"
+ myDefinition.getName() + "'. Valid names are: " + child.getValidChildNames());
}
switch (target.getChildType()) {
case COMPOSITE_DATATYPE: {
BaseRuntimeElementCompositeDefinition compositeTarget =
(BaseRuntimeElementCompositeDefinition) target;
ICompositeType newChildInstance =
newCompositeInstance(getPreResourceState(), child, compositeTarget);
child.getMutator().addValue(myInstance, newChildInstance);
ParserState.ElementCompositeState newState = new ElementCompositeState(
getPreResourceState(), theChildName, compositeTarget, newChildInstance);
push(newState);
return;
}
case ID_DATATYPE:
case PRIMITIVE_DATATYPE: {
RuntimePrimitiveDatatypeDefinition primitiveTarget = (RuntimePrimitiveDatatypeDefinition) target;
IPrimitiveType newChildInstance;
newChildInstance = getPrimitiveInstance(child, primitiveTarget, theChildName);
child.getMutator().addValue(myInstance, newChildInstance);
PrimitiveState newState = new PrimitiveState(
getPreResourceState(), newChildInstance, theChildName, primitiveTarget.getName());
push(newState);
return;
}
case RESOURCE_BLOCK: {
RuntimeResourceBlockDefinition blockTarget = (RuntimeResourceBlockDefinition) target;
IBase newBlockInstance = newInstance(blockTarget);
child.getMutator().addValue(myInstance, newBlockInstance);
ElementCompositeState newState = new ElementCompositeState(
getPreResourceState(), theChildName, blockTarget, newBlockInstance);
push(newState);
return;
}
case PRIMITIVE_XHTML: {
RuntimePrimitiveDatatypeNarrativeDefinition xhtmlTarget =
(RuntimePrimitiveDatatypeNarrativeDefinition) target;
XhtmlDt newDt = newInstance(xhtmlTarget);
child.getMutator().addValue(myInstance, newDt);
XhtmlState state = new XhtmlState(getPreResourceState(), newDt, true);
push(state);
return;
}
case PRIMITIVE_XHTML_HL7ORG: {
RuntimePrimitiveDatatypeXhtmlHl7OrgDefinition xhtmlTarget =
(RuntimePrimitiveDatatypeXhtmlHl7OrgDefinition) target;
IBaseXhtml newDt = newInstance(xhtmlTarget);
child.getMutator().addValue(myInstance, newDt);
XhtmlStateHl7Org state = new XhtmlStateHl7Org(getPreResourceState(), newDt);
push(state);
return;
}
case CONTAINED_RESOURCES: {
List values = child.getAccessor().getValues(myInstance);
if (values == null || values.isEmpty() || values.get(0) == null) {
Object newDt = newContainedDt((IResource) getPreResourceState().myInstance);
child.getMutator().addValue(myInstance, (IBase) newDt);
}
ContainedResourcesStateHapi state = new ContainedResourcesStateHapi(getPreResourceState());
push(state);
return;
}
case CONTAINED_RESOURCE_LIST: {
ContainedResourcesStateHl7Org state = new ContainedResourcesStateHl7Org(getPreResourceState());
push(state);
return;
}
case RESOURCE: {
if (myInstance instanceof IAnyResource
|| myInstance instanceof IBaseBackboneElement
|| myInstance instanceof IBaseElement) {
ParserState.PreResourceStateHl7Org state =
new PreResourceStateHl7Org(myInstance, child.getMutator(), null);
push(state);
} else {
ParserState.PreResourceStateHapi state =
new PreResourceStateHapi(myInstance, child.getMutator(), null);
push(state);
}
return;
}
case UNDECL_EXT:
case EXTENSION_DECLARED: {
// Throw an exception because this shouldn't happen here
break;
}
}
throw new DataFormatException(Msg.code(1810) + "Illegal resource position: " + target.getChildType());
}
@Override
public void enteringNewElementExtension(
StartElement theElement, String theUrlAttr, boolean theIsModifier, final String baseServerUrl) {
RuntimeChildDeclaredExtensionDefinition declaredExtension =
myDefinition.getDeclaredExtension(theUrlAttr, baseServerUrl);
if (declaredExtension != null) {
BaseState newState = new DeclaredExtensionState(getPreResourceState(), declaredExtension, myInstance);
push(newState);
} else {
super.enteringNewElementExtension(theElement, theUrlAttr, theIsModifier, baseServerUrl);
}
}
@Override
protected IBase getCurrentElement() {
return myInstance;
}
}
public class ElementIdState extends BaseState {
private final IBaseElement myElement;
ElementIdState(BasePreResourceState thePreResourceState, IBaseElement theElement) {
super(thePreResourceState);
myElement = theElement;
}
@Override
public void attributeValue(String theName, String theValue) throws DataFormatException {
myElement.setId(theValue);
}
@Override
public void endingElement() {
pop();
}
}
private class ExtensionState extends BaseState {
private final IBaseExtension myExtension;
ExtensionState(BasePreResourceState thePreResourceState, IBaseExtension theExtension) {
super(thePreResourceState);
myExtension = theExtension;
}
@Override
public void attributeValue(String theName, String theValue) throws DataFormatException {
if ("url".equals(theName)) {
// The URL attribute is handles in the XML loop as a special case since it is "url" instead
// of "value" like every single other place
return;
}
if ("id".equals(theName)) {
if (getCurrentElement() instanceof IBaseElement) {
((IBaseElement) getCurrentElement()).setId(theValue);
return;
} else if (getCurrentElement() instanceof IIdentifiableElement) {
((IIdentifiableElement) getCurrentElement()).setElementSpecificId(theValue);
return;
}
}
super.attributeValue(theName, theValue);
}
@Override
public void endingElement() throws DataFormatException {
if (myExtension.getValue() != null && myExtension.getExtension().size() > 0) {
throw new DataFormatException(Msg.code(1811) + "Extension (URL='" + myExtension.getUrl()
+ "') must not have both a value and other contained extensions");
}
pop();
}
@Override
public void enteringNewElement(String theNamespaceUri, String theLocalPart) throws DataFormatException {
if (theLocalPart.equals("id")) {
if (getCurrentElement() instanceof IBaseElement) {
push(new ElementIdState(getPreResourceState(), (IBaseElement) getCurrentElement()));
return;
} else if (getCurrentElement() instanceof IIdentifiableElement) {
push(new IdentifiableElementIdState(
getPreResourceState(), (IIdentifiableElement) getCurrentElement()));
return;
}
}
BaseRuntimeElementDefinition target =
myContext.getRuntimeChildUndeclaredExtensionDefinition().getChildByName(theLocalPart);
if (target != null) {
switch (target.getChildType()) {
case COMPOSITE_DATATYPE: {
BaseRuntimeElementCompositeDefinition compositeTarget =
(BaseRuntimeElementCompositeDefinition) target;
ICompositeType newChildInstance =
newCompositeTypeInstance(getPreResourceState(), compositeTarget);
myExtension.setValue(newChildInstance);
ElementCompositeState newState = new ElementCompositeState(
getPreResourceState(), theLocalPart, compositeTarget, newChildInstance);
push(newState);
return;
}
case ID_DATATYPE:
case PRIMITIVE_DATATYPE: {
RuntimePrimitiveDatatypeDefinition primitiveTarget =
(RuntimePrimitiveDatatypeDefinition) target;
IPrimitiveType newChildInstance = newInstance(primitiveTarget);
myExtension.setValue(newChildInstance);
PrimitiveState newState = new PrimitiveState(
getPreResourceState(), newChildInstance, theLocalPart, primitiveTarget.getName());
push(newState);
return;
}
case CONTAINED_RESOURCES:
case CONTAINED_RESOURCE_LIST:
case EXTENSION_DECLARED:
case PRIMITIVE_XHTML:
case PRIMITIVE_XHTML_HL7ORG:
case RESOURCE:
case RESOURCE_BLOCK:
case UNDECL_EXT:
break;
}
}
// We hit an invalid type for the extension
myErrorHandler.unknownElement(null, theLocalPart);
push(new SwallowChildrenWholeState(getPreResourceState()));
}
@Override
protected IBaseExtension getCurrentElement() {
return myExtension;
}
}
public class IdentifiableElementIdState extends BaseState {
private final IIdentifiableElement myElement;
public IdentifiableElementIdState(BasePreResourceState thePreResourceState, IIdentifiableElement theElement) {
super(thePreResourceState);
myElement = theElement;
}
@Override
public void attributeValue(String theName, String theValue) throws DataFormatException {
myElement.setElementSpecificId(theValue);
}
@Override
public void endingElement() {
pop();
}
}
private class MetaElementState extends BaseState {
private final ResourceMetadataMap myMap;
public MetaElementState(BasePreResourceState thePreResourceState, ResourceMetadataMap theMap) {
super(thePreResourceState);
myMap = theMap;
}
@Override
public void endingElement() throws DataFormatException {
pop();
}
@Override
public void enteringNewElement(String theNamespaceUri, String theLocalPart) throws DataFormatException {
switch (theLocalPart) {
case "versionId":
push(new MetaVersionElementState(getPreResourceState(), myMap));
// } else if (theLocalPart.equals("profile")) {
//
break;
case "lastUpdated":
InstantDt updated = new InstantDt();
push(new PrimitiveState(getPreResourceState(), updated, theLocalPart, "instant"));
myMap.put(ResourceMetadataKeyEnum.UPDATED, updated);
break;
case "security":
@SuppressWarnings("unchecked")
List securityLabels = (List) myMap.get(ResourceMetadataKeyEnum.SECURITY_LABELS);
if (securityLabels == null) {
securityLabels = new ArrayList<>();
myMap.put(ResourceMetadataKeyEnum.SECURITY_LABELS, securityLabels);
}
IBase securityLabel = myContext.getVersion().newCodingDt();
BaseRuntimeElementCompositeDefinition codinfDef = (BaseRuntimeElementCompositeDefinition)
myContext.getElementDefinition(securityLabel.getClass());
push(new SecurityLabelElementStateHapi(getPreResourceState(), codinfDef, securityLabel));
securityLabels.add(securityLabel);
break;
case "profile":
@SuppressWarnings("unchecked")
List profiles = (List) myMap.get(ResourceMetadataKeyEnum.PROFILES);
List newProfiles;
if (profiles != null) {
newProfiles = new ArrayList<>(profiles.size() + 1);
newProfiles.addAll(profiles);
} else {
newProfiles = new ArrayList<>(1);
}
IdDt profile = new IdDt();
push(new PrimitiveState(getPreResourceState(), profile, theLocalPart, "id"));
newProfiles.add(profile);
myMap.put(ResourceMetadataKeyEnum.PROFILES, Collections.unmodifiableList(newProfiles));
break;
case "tag":
TagList tagList = (TagList) myMap.get(ResourceMetadataKeyEnum.TAG_LIST);
if (tagList == null) {
tagList = new TagList();
myMap.put(ResourceMetadataKeyEnum.TAG_LIST, tagList);
}
push(new TagState(tagList));
break;
default:
myErrorHandler.unknownElement(null, theLocalPart);
push(new SwallowChildrenWholeState(getPreResourceState()));
}
}
@Override
public void enteringNewElementExtension(
StartElement theElem, String theUrlAttr, boolean theIsModifier, final String baseServerUrl) {
ResourceMetadataKeyEnum.ExtensionResourceMetadataKey resourceMetadataKeyEnum =
new ResourceMetadataKeyEnum.ExtensionResourceMetadataKey(theUrlAttr);
Object metadataValue = myMap.get(resourceMetadataKeyEnum);
ExtensionDt newExtension;
if (metadataValue == null) {
newExtension = new ExtensionDt(theIsModifier);
} else if (metadataValue instanceof ExtensionDt) {
newExtension = (ExtensionDt) metadataValue;
} else {
throw new IllegalStateException(
Msg.code(1812) + "Expected ExtensionDt as custom resource metadata type, got: "
+ metadataValue.getClass().getSimpleName());
}
newExtension.setUrl(theUrlAttr);
myMap.put(resourceMetadataKeyEnum, newExtension);
ExtensionState newState = new ExtensionState(getPreResourceState(), newExtension);
push(newState);
}
}
private class MetaVersionElementState extends BaseState {
private final ResourceMetadataMap myMap;
MetaVersionElementState(BasePreResourceState thePreResourceState, ResourceMetadataMap theMap) {
super(thePreResourceState);
myMap = theMap;
}
@Override
public void attributeValue(String theName, String theValue) throws DataFormatException {
myMap.put(ResourceMetadataKeyEnum.VERSION, theValue);
}
@Override
public void endingElement() throws DataFormatException {
pop();
}
@Override
public void enteringNewElement(String theNamespaceUri, String theLocalPart) throws DataFormatException {
myErrorHandler.unknownElement(null, theLocalPart);
push(new SwallowChildrenWholeState(getPreResourceState()));
}
}
private abstract class BasePreResourceState extends BaseState {
private Map myContainedResources;
private List myLocalReferences = new ArrayList<>();
private IBaseResource myInstance;
private FhirVersionEnum myParentVersion;
private Class myResourceType;
BasePreResourceState(Class theResourceType) {
super(null);
myResourceType = theResourceType;
myContainedResources = new HashMap<>();
if (theResourceType != null) {
myParentVersion =
myContext.getResourceDefinition(theResourceType).getStructureVersion();
} else {
myParentVersion = myContext.getVersion().getVersion();
}
}
BasePreResourceState(BasePreResourceState thePreResourcesState, FhirVersionEnum theParentVersion) {
super(thePreResourcesState);
Validate.notNull(theParentVersion);
myParentVersion = theParentVersion;
myContainedResources = thePreResourcesState.getContainedResources();
}
public List getLocalReferences() {
return myLocalReferences;
}
@Override
public void endingElement() throws DataFormatException {
stitchBundleCrossReferences();
pop();
}
@Override
public void enteringNewElement(String theNamespaceUri, String theLocalPart) throws DataFormatException {
RuntimeResourceDefinition definition;
if (myResourceType == null) {
definition = null;
if (myParser.getPreferTypes() != null) {
for (Class next : myParser.getPreferTypes()) {
RuntimeResourceDefinition nextDef = myContext.getResourceDefinition(next);
if (nextDef.getName().equals(theLocalPart)) {
definition = nextDef;
}
}
}
if (definition == null) {
definition = myContext.getResourceDefinition(myParentVersion, theLocalPart);
}
if ((definition == null)) {
throw new DataFormatException(Msg.code(1813) + "Element '" + theLocalPart
+ "' is not a known resource type, expected a resource at this position");
}
} else {
definition = myContext.getResourceDefinition(myResourceType);
if (!StringUtils.equals(theLocalPart, definition.getName())) {
throw new DataFormatException(Msg.code(1814)
+ myContext
.getLocalizer()
.getMessage(
ParserState.class,
"wrongResourceTypeFound",
definition.getName(),
theLocalPart));
}
}
RuntimeResourceDefinition def = definition;
if (!definition.getName().equals(theLocalPart)
&& definition.getName().equalsIgnoreCase(theLocalPart)) {
throw new DataFormatException(Msg.code(1815) + "Unknown resource type '" + theLocalPart
+ "': Resource names are case sensitive, found similar name: '" + definition.getName() + "'");
}
myInstance = newInstance(def);
if (myInstance instanceof IResource) {
push(new ResourceStateHapi(
getRootPreResourceState(), def, (IResource) myInstance, myContainedResources));
} else {
push(new ResourceStateHl7Org(getRootPreResourceState(), def, myInstance));
}
}
public Map getContainedResources() {
return myContainedResources;
}
@Override
protected IBaseResource getCurrentElement() {
return myInstance;
}
private BasePreResourceState getRootPreResourceState() {
if (getPreResourceState() != null) {
return getPreResourceState();
}
return this;
}
@Override
public boolean isPreResource() {
return true;
}
protected abstract void populateTarget();
private void postProcess() {
if (myContext.hasDefaultTypeForProfile()) {
IBaseMetaType meta = myInstance.getMeta();
Class wantedProfileType = null;
String usedProfile = null;
for (IPrimitiveType next : meta.getProfile()) {
if (isNotBlank(next.getValue())) {
wantedProfileType = myContext.getDefaultTypeForProfile(next.getValue());
if (wantedProfileType != null) {
usedProfile = next.getValue();
break;
}
}
}
if (wantedProfileType != null && !wantedProfileType.equals(myInstance.getClass())) {
if (myResourceType == null || myResourceType.isAssignableFrom(wantedProfileType)) {
ourLog.debug(
"Converting resource of type {} to type defined for profile \"{}\": {}",
myInstance.getClass().getName(),
usedProfile,
wantedProfileType);
/*
* This isn't the most efficient thing really.. If we want a specific
* type we just re-parse into that type. The problem is that we don't know
* until we've parsed the resource which type we want to use because the
* profile declarations are in the text of the resource itself.
*
* At some point it would be good to write code which can present a view
* of one type backed by another type and use that.
*/
FhirTerser t = myContext.newTerser();
// Clean up the cached resources
myGlobalResources.remove(myInstance);
myGlobalReferences.removeAll(
t.getAllPopulatedChildElementsOfType(myInstance, IBaseReference.class));
IParser parser = myContext.newJsonParser();
String asString = parser.encodeResourceToString(myInstance);
myInstance = parser.parseResource(wantedProfileType, asString);
// Add newly created instance
myGlobalResources.add(myInstance);
myGlobalReferences.addAll(
t.getAllPopulatedChildElementsOfType(myInstance, IBaseReference.class));
}
}
}
myInstance.setUserData(BaseParser.RESOURCE_CREATED_BY_PARSER, Boolean.TRUE);
populateTarget();
}
private void stitchBundleCrossReferences() {
final boolean bundle = "Bundle".equals(myContext.getResourceType(myInstance));
if (bundle) {
FhirTerser t = myContext.newTerser();
Map idToResource = new HashMap<>();
List entries = t.getValues(myInstance, "Bundle.entry", IBase.class);
for (IBase nextEntry : entries) {
IPrimitiveType fullUrl = t.getSingleValueOrNull(nextEntry, "fullUrl", IPrimitiveType.class);
if (fullUrl != null && isNotBlank(fullUrl.getValueAsString())) {
IBaseResource resource = t.getSingleValueOrNull(nextEntry, "resource", IBaseResource.class);
if (resource != null) {
idToResource.put(fullUrl.getValueAsString(), resource);
}
}
}
/*
* Stitch together resource references
*/
for (IBaseResource next : myGlobalResources) {
IIdType id = next.getIdElement();
if (id != null && !id.isEmpty()) {
String resName = myContext.getResourceType(next);
IIdType idType = id.withResourceType(resName).toUnqualifiedVersionless();
idToResource.put(idType.getValueAsString(), next);
}
}
for (IBaseReference nextRef : myGlobalReferences) {
if (!nextRef.isEmpty() && nextRef.getReferenceElement() != null) {
IIdType unqualifiedVersionless =
nextRef.getReferenceElement().toUnqualifiedVersionless();
IBaseResource target = idToResource.get(unqualifiedVersionless.getValueAsString());
// resource can already be filled with local contained resource by populateTarget()
if (target != null && nextRef.getResource() == null) {
nextRef.setResource(target);
}
}
}
/*
* Set resource IDs based on Bundle.entry.request.url
*/
List> urlsAndResources =
BundleUtil.getBundleEntryUrlsAndResources(myContext, (IBaseBundle) myInstance);
for (Pair pair : urlsAndResources) {
if (pair.getRight() != null
&& isNotBlank(pair.getLeft())
&& pair.getRight().getIdElement().isEmpty()) {
if (pair.getLeft().startsWith("urn:")) {
pair.getRight().setId(pair.getLeft());
}
}
}
}
}
void weaveContainedResources() {
for (IBaseReference nextRef : myLocalReferences) {
String ref = nextRef.getReferenceElement().getValue();
if (isNotBlank(ref)) {
if (ref.startsWith("#") && ref.length() > 1) {
IBaseResource target = myContainedResources.get(ref);
if (target != null) {
ourLog.debug("Resource contains local ref {}", ref);
nextRef.setResource(target);
} else {
myErrorHandler.unknownReference(null, ref);
}
}
}
}
}
@Override
public void wereBack() {
postProcess();
}
}
private class PreResourceStateHapi extends BasePreResourceState {
private IMutator myMutator;
private IBase myTarget;
PreResourceStateHapi(Class theResourceType) {
super(theResourceType);
assert theResourceType == null || IResource.class.isAssignableFrom(theResourceType);
}
PreResourceStateHapi(IBase theTarget, IMutator theMutator, Class theResourceType) {
super(theResourceType);
myTarget = theTarget;
myMutator = theMutator;
assert theResourceType == null || IResource.class.isAssignableFrom(theResourceType);
}
@Override
protected void populateTarget() {
weaveContainedResources();
if (myMutator != null) {
myMutator.setValue(myTarget, getCurrentElement());
}
}
@Override
public void wereBack() {
super.wereBack();
IResource nextResource = (IResource) getCurrentElement();
String version = ResourceMetadataKeyEnum.VERSION.get(nextResource);
String resourceName = myContext.getResourceType(nextResource);
String bundleIdPart = nextResource.getId().getIdPart();
if (isNotBlank(bundleIdPart)) {
// if (isNotBlank(entryBaseUrl)) {
// nextResource.setId(new IdDt(entryBaseUrl, resourceName, bundleIdPart, version));
// } else {
IdDt previousId = nextResource.getId();
nextResource.setId(new IdDt(null, resourceName, bundleIdPart, version));
// Copy extensions
if (!previousId.getAllUndeclaredExtensions().isEmpty()) {
for (final ExtensionDt ext : previousId.getAllUndeclaredExtensions()) {
nextResource.getId().addUndeclaredExtension(ext);
}
}
// }
}
}
}
private class PreResourceStateHl7Org extends BasePreResourceState {
private IMutator myMutator;
private IBase myTarget;
PreResourceStateHl7Org(Class theResourceType) {
super(theResourceType);
}
PreResourceStateHl7Org(IBase theTarget, IMutator theMutator, Class theResourceType) {
super(theResourceType);
myMutator = theMutator;
myTarget = theTarget;
}
@Override
protected void populateTarget() {
weaveContainedResources();
if (myMutator != null) {
myMutator.setValue(myTarget, getCurrentElement());
}
}
@Override
public void wereBack() {
super.wereBack();
if (getCurrentElement() instanceof IBaseResource) {
IBaseResource elem = (IBaseResource) getCurrentElement();
String resourceName = myContext.getResourceType(elem);
String versionId = elem.getMeta().getVersionId();
if (StringUtils.isBlank(elem.getIdElement().getIdPart())) {
// Resource has no ID
} else if (!elem.getIdElement().getIdPart().startsWith("urn:")) {
if (StringUtils.isNotBlank(versionId)) {
elem.getIdElement()
.setValue(resourceName + "/"
+ elem.getIdElement().getIdPart() + "/_history/" + versionId);
} else {
elem.getIdElement()
.setValue(
resourceName + "/" + elem.getIdElement().getIdPart());
}
}
}
}
}
private class PreTagListState extends BaseState {
private TagList myTagList;
PreTagListState() {
super(null);
myTagList = new TagList();
}
@Override
public void endingElement() throws DataFormatException {
pop();
}
@Override
public void enteringNewElement(String theNamespaceUri, String theLocalPart) throws DataFormatException {
if (!TagList.ELEMENT_NAME_LC.equals(theLocalPart.toLowerCase())) {
throw new DataFormatException(
Msg.code(1816) + "resourceType does not appear to be 'TagList', found: " + theLocalPart);
}
push(new TagListState(myTagList));
}
@Override
protected IBase getCurrentElement() {
return myTagList;
}
@Override
public boolean isPreResource() {
return true;
}
}
private class PrimitiveState extends BaseState {
private final String myChildName;
private final String myTypeName;
private IPrimitiveType myInstance;
PrimitiveState(
BasePreResourceState thePreResourceState,
IPrimitiveType theInstance,
String theChildName,
String theTypeName) {
super(thePreResourceState);
myInstance = theInstance;
myChildName = theChildName;
myTypeName = theTypeName;
}
@Override
public void attributeValue(String theName, String theValue) throws DataFormatException {
String value = theValue;
if ("value".equals(theName)) {
if ("".equals(value)) {
ParseLocation location = ParseLocation.fromElementName(myChildName);
myErrorHandler.invalidValue(location, value, "Attribute value must not be empty (\"\")");
} else {
if ("decimal".equals(myTypeName)) {
if (value != null) {
// remove leading plus sign from decimal value
if (value.startsWith("+")) {
value = value.substring(1);
}
/*
* It may be possible to clean this up somewhat once the following PR is hopefully merged:
* https://github.com/FasterXML/jackson-core/pull/611
*
* See TolerantJsonParser
*/
if (value.startsWith(".") && NumberUtils.isDigits(value.substring(1))) {
value = "0" + value;
} else {
while (value.startsWith("00")) {
value = value.substring(1);
}
}
}
}
try {
myInstance.setValueAsString(value);
} catch (DataFormatException | IllegalArgumentException e) {
ParseLocation location = ParseLocation.fromElementName(myChildName);
myErrorHandler.invalidValue(location, value, e.getMessage());
}
}
} else if ("id".equals(theName)) {
if (myInstance instanceof IIdentifiableElement) {
((IIdentifiableElement) myInstance).setElementSpecificId(value);
} else if (myInstance instanceof IBaseElement) {
((IBaseElement) myInstance).setId(value);
} else if (myInstance instanceof IBaseResource) {
new IdDt(value).applyTo((org.hl7.fhir.instance.model.api.IBaseResource) myInstance);
} else {
ParseLocation location = ParseLocation.fromElementName(myChildName);
myErrorHandler.unknownAttribute(location, theName);
}
} else {
super.attributeValue(theName, value);
}
}
@Override
public void endingElement() {
pop();
}
@Override
public void enteringNewElement(String theNamespaceUri, String theLocalPart) throws DataFormatException {
super.enteringNewElement(theNamespaceUri, theLocalPart);
push(new SwallowChildrenWholeState(getPreResourceState()));
}
@Override
protected IBase getCurrentElement() {
return myInstance;
}
}
private class ResourceStateHapi extends ElementCompositeState {
private IResource myInstance;
public ResourceStateHapi(
BasePreResourceState thePreResourceState,
BaseRuntimeElementCompositeDefinition theDef,
IResource theInstance,
Map theContainedResources) {
super(thePreResourceState, theDef.getName(), theDef, theInstance);
myInstance = theInstance;
}
@Override
public void enteringNewElement(String theNamespace, String theChildName) throws DataFormatException {
if ("id".equals(theChildName)) {
push(new PrimitiveState(getPreResourceState(), myInstance.getId(), theChildName, "id"));
} else if ("meta".equals(theChildName)) {
push(new MetaElementState(getPreResourceState(), myInstance.getResourceMetadata()));
} else {
super.enteringNewElement(theNamespace, theChildName);
}
}
}
private class ResourceStateHl7Org extends ElementCompositeState {
ResourceStateHl7Org(
BasePreResourceState thePreResourceState,
BaseRuntimeElementCompositeDefinition theDef,
IBaseResource theInstance) {
super(thePreResourceState, theDef.getName(), theDef, theInstance);
}
}
private class SecurityLabelElementStateHapi extends ElementCompositeState {
SecurityLabelElementStateHapi(
BasePreResourceState thePreResourceState,
BaseRuntimeElementCompositeDefinition theDef,
IBase codingDt) {
super(thePreResourceState, theDef.getName(), theDef, codingDt);
}
@Override
public void endingElement() throws DataFormatException {
pop();
}
}
private class SwallowChildrenWholeState extends BaseState {
private int myDepth;
SwallowChildrenWholeState(BasePreResourceState thePreResourceState) {
super(thePreResourceState);
}
@Override
public void attributeValue(String theName, String theValue) throws DataFormatException {
// ignore
}
@Override
public void endingElement() throws DataFormatException {
myDepth--;
if (myDepth < 0) {
pop();
}
}
@Override
public void enteringNewElement(String theNamespaceUri, String theLocalPart) throws DataFormatException {
myDepth++;
}
@Override
public void enteringNewElementExtension(
StartElement theElement, String theUrlAttr, boolean theIsModifier, final String baseServerUrl) {
myDepth++;
}
}
private class TagListState extends BaseState {
private TagList myTagList;
public TagListState(TagList theTagList) {
super(null);
myTagList = theTagList;
}
@Override
public void endingElement() throws DataFormatException {
pop();
}
@Override
public void enteringNewElement(String theNamespaceUri, String theLocalPart) throws DataFormatException {
if (TagList.ATTR_CATEGORY.equals(theLocalPart)) {
push(new TagState(myTagList));
} else {
throw new DataFormatException(Msg.code(1817) + "Unexpected element: " + theLocalPart);
}
}
@Override
protected IBase getCurrentElement() {
return myTagList;
}
}
private class TagState extends BaseState {
private static final int NONE = 0;
private static final int TERM = 1;
private static final int LABEL = 2;
private static final int SCHEME = 3;
private static final int VERSION = 4;
private static final int USER_SELECTED = 5;
private String myLabel;
private String myScheme;
private int mySubState = 0;
private TagList myTagList;
private String myTerm;
private String myVersion;
private Boolean myUserSelected;
public TagState(TagList theTagList) {
super(null);
myTagList = theTagList;
}
@Override
public void attributeValue(String theName, String theValue) throws DataFormatException {
String value = defaultIfBlank(theValue, null);
switch (mySubState) {
case TERM:
myTerm = (value);
break;
case LABEL:
myLabel = (value);
break;
case SCHEME:
myScheme = (value);
break;
case VERSION:
myVersion = (value);
break;
case USER_SELECTED:
myUserSelected = Boolean.valueOf(value);
break;
case NONE:
// This handles JSON encoding, which is a bit weird
enteringNewElement(null, theName);
attributeValue(null, value);
endingElement();
break;
}
}
@Override
public void endingElement() throws DataFormatException {
if (mySubState != NONE) {
mySubState = NONE;
} else {
if (isNotEmpty(myScheme) || isNotBlank(myTerm) || isNotBlank(myLabel)) {
Tag tag = myTagList.addTag(myScheme, myTerm, myLabel);
tag.setUserSelectedBoolean(myUserSelected);
tag.setVersion(myVersion);
}
pop();
}
}
@Override
public void enteringNewElement(String theNamespaceUri, String theLocalPart) throws DataFormatException {
/*
* We allow for both the DSTU1 and DSTU2 names here
*/
if (Tag.ATTR_TERM.equals(theLocalPart) || "code".equals(theLocalPart)) {
mySubState = TERM;
} else if (Tag.ATTR_SCHEME.equals(theLocalPart) || "system".equals(theLocalPart)) {
mySubState = SCHEME;
} else if (Tag.ATTR_LABEL.equals(theLocalPart) || "display".equals(theLocalPart)) {
mySubState = LABEL;
} else if ("userSelected".equals(theLocalPart)) {
mySubState = USER_SELECTED;
} else if ("version".equals(theLocalPart)) {
mySubState = VERSION;
} else {
throw new DataFormatException(Msg.code(1818) + "Unexpected element: " + theLocalPart);
}
}
}
private class XhtmlState extends BaseState {
private int myDepth;
private XhtmlDt myDt;
private List myEvents = new ArrayList();
private boolean myIncludeOuterEvent;
private XhtmlState(BasePreResourceState thePreResourceState, XhtmlDt theXhtmlDt, boolean theIncludeOuterEvent)
throws DataFormatException {
super(thePreResourceState);
myDepth = 0;
myDt = theXhtmlDt;
myIncludeOuterEvent = theIncludeOuterEvent;
}
@Override
public void attributeValue(String theName, String theValue) throws DataFormatException {
if (myJsonMode) {
myDt.setValueAsString(theValue);
} else {
// IGNORE - don't handle this as an error, we process these as XML events
}
}
protected void doPop() {
pop();
}
@Override
public void endingElement() throws DataFormatException {
if (myJsonMode) {
doPop();
return;
}
super.endingElement();
}
@Override
public void enteringNewElement(String theNamespaceUri, String theLocalPart) throws DataFormatException {
// IGNORE - don't handle this as an error, we process these as XML events
}
@Override
protected IElement getCurrentElement() {
return myDt;
}
public XhtmlDt getDt() {
return myDt;
}
@Override
public void xmlEvent(XMLEvent theEvent) {
if (theEvent.isEndElement()) {
myDepth--;
}
if (myIncludeOuterEvent || myDepth > 0) {
myEvents.add(theEvent);
}
if (theEvent.isStartElement()) {
myDepth++;
}
if (theEvent.isEndElement()) {
if (myDepth == 0) {
String eventsAsString = XmlUtil.encode(myEvents);
myDt.setValue(eventsAsString);
doPop();
}
}
}
}
private class XhtmlStateHl7Org extends XhtmlState {
private IBaseXhtml myHl7OrgDatatype;
private XhtmlStateHl7Org(BasePreResourceState thePreResourceState, IBaseXhtml theHl7OrgDatatype) {
super(thePreResourceState, new XhtmlDt(), true);
myHl7OrgDatatype = theHl7OrgDatatype;
}
@Override
public void doPop() {
// TODO: this is not very efficient
String value = getDt().getValueAsString();
myHl7OrgDatatype.setValueAsString(value);
super.doPop();
}
}
/**
* @param theResourceType May be null
*/
static ParserState getPreResourceInstance(
IParser theParser,
Class theResourceType,
FhirContext theContext,
boolean theJsonMode,
IParserErrorHandler theErrorHandler)
throws DataFormatException {
ParserState retVal = new ParserState(theParser, theContext, theJsonMode, theErrorHandler);
if (theResourceType == null) {
if (theContext.getVersion().getVersion().isRi()) {
retVal.push(retVal.new PreResourceStateHl7Org(theResourceType));
} else {
retVal.push(retVal.new PreResourceStateHapi(theResourceType));
}
} else {
if (IResource.class.isAssignableFrom(theResourceType)) {
retVal.push(retVal.new PreResourceStateHapi(theResourceType));
} else {
retVal.push(retVal.new PreResourceStateHl7Org(theResourceType));
}
}
return retVal;
}
static ParserState getPreTagListInstance(
IParser theParser, FhirContext theContext, boolean theJsonMode, IParserErrorHandler theErrorHandler) {
ParserState retVal = new ParserState(theParser, theContext, theJsonMode, theErrorHandler);
retVal.push(retVal.new PreTagListState());
return retVal;
}
}
