@SuppressWarnings("unchecked")
private void processNextNode() {
if (stateStack.isEmpty()) {
nextEvent = null;
return;
}
currentItr = stateStack.peek();
if (currentItr.hasNext()) {
Object o = currentItr.next();
if (inMap()) {
Entry<String, HValue> entry = (Entry<String, HValue>) o;
key = entry.getKey();
value = entry.getValue();
} else {
key = null;
value = HValue.initFromObject(o);
}
nextEvent = Types.getEventTypeForType(value.getType());
if (!value.getType().isScalar()) {
stateStack.push(new IteratorWithType(value));
}
} else {
IteratorWithType iter = stateStack.pop();
key = null;
value = iter.getValue();
nextEvent = (iter.getType() == Type.MAP) ? EventType.END_MAP : EventType.END_ARRAY;
currentItr = stateStack.isEmpty() ? null : stateStack.peek();
}
}
HDocumentReader(HValue value) {
stateStack = new ArrayDeque<>();
this.key = null;
this.value = value;
Type type = value.getType();
nextEvent = Types.getEventTypeForType(type);
if (!type.isScalar()) {
stateStack.push(new IteratorWithType(value));
}
}
@Override
public EventType next() {
EventType et = super.next();
switch (et) {
case FIELD_NAME:
currentFieldName = getFieldName();
calculateCurrentFieldPath();
break;
case START_MAP:
if (currentFieldName != null) {
fieldSegmentStack.push(currentFieldName);
}
break;
case END_MAP:
if (!fieldSegmentStack.isEmpty()) {
fieldSegmentStack.pop();
}
break;
case START_ARRAY:
case END_ARRAY:
break;
default:
Type mappedType = typeMap.get(currentFieldPath);
if (mappedType != null) {
Type currentFieldType = mappedType;
et = currentEventType = Types.getEventTypeForType(currentFieldType);
try {
cacheCurrentValue();
} catch (JsonParseException jp) {
throw new IllegalStateException(jp);
} catch (IOException e) {
throw new DecodingException(e);
}
}
break;
}
return et;
}