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package eu.equalparts.cardbase.json;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
import eu.equalparts.cardbase.card.Card;
import eu.equalparts.cardbase.card.FullCardSet;
public class FullCardSetDeserializer extends StdDeserializer<FullCardSet> {
/**
*
*/
private static final long serialVersionUID = 1894617997342518472L;
protected FullCardSetDeserializer(Class<?> vc) {
super(vc);
}
public FullCardSetDeserializer() {
this(null);
}
@Override
public FullCardSet deserialize(JsonParser jp, DeserializationContext ctxt)
throws IOException, JsonProcessingException {
JsonNode jsonTree = jp.getCodec().readTree(jp);
FullCardSet fcs = new FullCardSet();
/*
* These fields are critical, if any of them is not present an exception is thrown.
*/
if (jsonTree.hasNonNull("name")) {
fcs.name = jsonTree.get("name").asText();
} else {
throw new JsonMappingException(jp, "Field \"name\" not found.");
}
String setCode;
if (jsonTree.hasNonNull("code")) {
setCode = jsonTree.get("code").asText();
fcs.code = setCode;
} else {
throw new JsonMappingException(jp, "Field \"code\" not found.");
}
if (jsonTree.hasNonNull("releaseDate")) {
fcs.releaseDate = jsonTree.get("releaseDate").asText();
} else {
throw new JsonMappingException(jp, "Field \"releaseDate\" not found.");
}
if (jsonTree.hasNonNull("cards")) {
// attempt to read card list as a POJO using the standard mapper
List<Card> rawList = jsonTree.get("cards").traverse(JSON.mapper).readValueAs(new TypeReference<List<Card>>() {});
// generate the map
Map<String, Card> cardMap = new HashMap<String, Card>();
for (Card card : rawList) {
// add set code for convenience
card.setCode.set(setCode);
cardMap.put(card.number.get(), card);
}
fcs.cards = cardMap;
} else {
throw new JsonMappingException(jp, "Field \"cards\" not found.");
}
/*
* These fields are optional and are set to null if not present.
*/
fcs.border = jsonTree.hasNonNull("border") ? jsonTree.get("border").asText() : null;
fcs.type = jsonTree.hasNonNull("type") ? jsonTree.get("type").asText() : null;
fcs.block = jsonTree.hasNonNull("block") ? jsonTree.get("block").asText() : null;
fcs.magicCardsInfoCode = jsonTree.hasNonNull("magicCardsInfoCode") ? jsonTree.get("magicCardsInfoCode").asText() : null;
return fcs;
}
}
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