public Tag unmarshall(JsonUnmarshallerContext context) throws Exception {
Tag tag = new Tag();
int originalDepth = context.getCurrentDepth();
String currentParentElement = context.getCurrentParentElement();
int targetDepth = originalDepth + 1;
JsonToken token = context.getCurrentToken();
if (token == null) token = context.nextToken();
if (token == VALUE_NULL) return null;
while (true) {
if (token == null) break;
if (token == FIELD_NAME || token == START_OBJECT) {
if (context.testExpression("Key", targetDepth)) {
context.nextToken();
tag.setKey(context.getUnmarshaller(String.class).unmarshall(context));
}
if (context.testExpression("Value", targetDepth)) {
context.nextToken();
tag.setValue(context.getUnmarshaller(String.class).unmarshall(context));
}
} else if (token == END_ARRAY || token == END_OBJECT) {
if (context.getLastParsedParentElement() == null
|| context.getLastParsedParentElement().equals(currentParentElement)) {
if (context.getCurrentDepth() <= originalDepth) break;
}
}
token = context.nextToken();
}
return tag;
}
public Tag unmarshall(StaxUnmarshallerContext context) throws Exception {
Tag tag = new Tag();
int originalDepth = context.getCurrentDepth();
int targetDepth = originalDepth + 1;
if (context.isStartOfDocument()) targetDepth += 1;
while (true) {
XMLEvent xmlEvent = context.nextEvent();
if (xmlEvent.isEndDocument()) return tag;
if (xmlEvent.isAttribute() || xmlEvent.isStartElement()) {
if (context.testExpression("key", targetDepth)) {
tag.setKey(StringStaxUnmarshaller.getInstance().unmarshall(context));
continue;
}
if (context.testExpression("value", targetDepth)) {
tag.setValue(StringStaxUnmarshaller.getInstance().unmarshall(context));
continue;
}
} else if (xmlEvent.isEndElement()) {
if (context.getCurrentDepth() < originalDepth) {
return tag;
}
}
}
}
