package com.fasterxml.jackson.datatype.jdk8;
import java.io.IOException;
import java.util.OptionalDouble;
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.DeserializationFeature;
class OptionalDoubleDeserializer extends BaseScalarOptionalDeserializer<OptionalDouble>
{
private static final long serialVersionUID = 1L;
static final OptionalDoubleDeserializer INSTANCE = new OptionalDoubleDeserializer();
public OptionalDoubleDeserializer() {
super(OptionalDouble.class, OptionalDouble.empty());
}
@Override
public OptionalDouble deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
// minor optimization, first, for common case
if (p.hasToken(JsonToken.VALUE_NUMBER_FLOAT)) {
return OptionalDouble.of(p.getDoubleValue());
}
switch (p.getCurrentTokenId()) {
case JsonTokenId.ID_STRING:
String text = p.getText().trim();
if ((text.length() == 0)) {
_coerceEmptyString(ctxt, false);
return _empty;
}
if (_hasTextualNull(text)) {
_coerceTextualNull(ctxt, false);
return _empty;
}
return OptionalDouble.of(_parseDoublePrimitive(ctxt, text));
case JsonTokenId.ID_NUMBER_INT: // coercion here should be fine
return OptionalDouble.of(p.getDoubleValue());
case JsonTokenId.ID_NULL:
return _empty;
case JsonTokenId.ID_START_ARRAY:
if (ctxt.isEnabled(DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS)) {
p.nextToken();
final OptionalDouble parsed = deserialize(p, ctxt);
_verifyEndArrayForSingle(p, ctxt);
return parsed;
}
break;
}
return (OptionalDouble) ctxt.handleUnexpectedToken(_valueClass, p);
}
}