package com.fasterxml.jackson.datatype.jdk8;
import java.io.IOException;
import java.util.OptionalInt;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.core.JsonTokenId;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.cfg.CoercionAction;
import com.fasterxml.jackson.databind.type.LogicalType;
public class OptionalIntDeserializer extends BaseScalarOptionalDeserializer<OptionalInt>
{
private static final long serialVersionUID = 1L;
static final OptionalIntDeserializer INSTANCE = new OptionalIntDeserializer();
public OptionalIntDeserializer() {
super(OptionalInt.class, OptionalInt.empty());
}
@Override
public LogicalType logicalType() { return LogicalType.Integer; }
@Override
public OptionalInt deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
// minor optimization, first, for common case
if (p.hasToken(JsonToken.VALUE_NUMBER_INT)) {
return OptionalInt.of(p.getIntValue());
}
CoercionAction act;
switch (p.currentTokenId()) {
case JsonTokenId.ID_STRING:
String text = p.getText();
act = _checkFromStringCoercion(ctxt, text);
// null and empty both same
if ((act == CoercionAction.AsNull) || (act == CoercionAction.AsEmpty)) {
return _empty;
}
text = text.trim();
// 21-Jun-2020, tatu: Should this also accept "textual null" similar
// to regular Integers?
return OptionalInt.of(_parseIntPrimitive(ctxt, text));
case JsonTokenId.ID_NUMBER_FLOAT: // coercing may work too
act = _checkFloatToIntCoercion(p, ctxt, _valueClass);
if ((act == CoercionAction.AsNull) || (act == CoercionAction.AsEmpty)) {
return _empty;
}
return OptionalInt.of(p.getValueAsInt());
case JsonTokenId.ID_NULL:
return _empty;
case JsonTokenId.ID_START_ARRAY:
return _deserializeFromArray(p, ctxt);
default:
}
return (OptionalInt) ctxt.handleUnexpectedToken(getValueType(ctxt), p);
}
}