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| package com.example; | |
| import com.fasterxml.jackson.core.JsonParser; | |
| import com.fasterxml.jackson.core.JsonProcessingException; | |
| import com.fasterxml.jackson.databind.DeserializationContext; | |
| import com.fasterxml.jackson.databind.JsonNode; | |
| import com.fasterxml.jackson.databind.deser.std.StdDeserializer; | |
| import org.joda.money.CurrencyUnit; | |
| import org.joda.money.Money; | |
| import java.io.IOException; | |
| /** | |
| * Will deserialize a Money that was serialized with the MoneySerializer. Only pays attention to 'amount' and 'curency'. | |
| */ | |
| public class MoneyDeserializer extends StdDeserializer<Money> { | |
| /** */ | |
| private static final long serialVersionUID = 1L; | |
| /** */ | |
| public MoneyDeserializer() { | |
| super(Money.class); | |
| } | |
| /** */ | |
| @Override | |
| public Money deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException { | |
| JsonNode moneyTree = jp.readValueAsTree(); | |
| int amount = moneyTree.get("amount").asInt(); | |
| JsonNode currencyNode = moneyTree.get("currency"); | |
| CurrencyUnit currency = CurrencyUnit.of(currencyNode.asText()); | |
| return Money.ofMinor(currency, amount); | |
| } | |
| } |
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| package com.example; | |
| import com.fasterxml.jackson.core.JsonGenerator; | |
| import com.fasterxml.jackson.core.JsonProcessingException; | |
| import com.fasterxml.jackson.databind.JsonSerializer; | |
| import com.fasterxml.jackson.databind.SerializerProvider; | |
| import com.example.MoneyUtils; | |
| import org.joda.money.Money; | |
| import java.io.IOException; | |
| /** | |
| * Configuring this serializer will make Money objects render as a structure like this: | |
| * { amount: 2388, str: "23.88", pretty: "$23.88", symbol: "$", currency: "USD" } | |
| */ | |
| public class MoneySerializer extends JsonSerializer<Money> { | |
| @Override | |
| public void serialize(Money value, JsonGenerator jgen, SerializerProvider provider) throws IOException, JsonProcessingException { | |
| jgen.writeStartObject(); | |
| { | |
| jgen.writeNumberField("amount", value.getAmountMinorInt()); | |
| jgen.writeStringField("str", value.getAmount().toString()); | |
| jgen.writeStringField("symbol", value.getCurrencyUnit().getSymbol()); | |
| jgen.writeStringField("currency", value.getCurrencyUnit().getCode()); | |
| String pretty = prettyPrintWithCents(value); | |
| jgen.writeStringField("pretty", pretty); | |
| } | |
| jgen.writeEndObject(); | |
| } | |
| /** | |
| * Makes a nicely formatted version like $50.00 or $23.99. Always shows cents. | |
| */ | |
| private String prettyPrintWithCents(Money money) { | |
| StringBuilder bld = new StringBuilder(money.getCurrencyUnit().getSymbol()); | |
| bld.append(money.getAmount().toPlainString()); | |
| return bld.toString(); | |
| } | |
| } |
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