org.zalando.jackson.datatype.money.MonetaryAmountSerializer.java Source code

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Here is the source code for org.zalando.jackson.datatype.money.MonetaryAmountSerializer.java

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package org.zalando.jackson.datatype.money;

/*
 * ?
 * jackson-datatype-money
 * ??
 * Copyright (C) 2015 Zalando SE
 * ??
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ?
 */

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;

import javax.annotation.Nullable;
import javax.money.CurrencyUnit;
import javax.money.MonetaryAmount;
import javax.money.format.MonetaryAmountFormat;
import java.io.IOException;
import java.math.BigDecimal;
import java.util.Locale;

public final class MonetaryAmountSerializer extends JsonSerializer<MonetaryAmount> {

    private final MonetaryAmountFormatFactory factory;

    public MonetaryAmountSerializer() {
        this(new NoopMonetaryAmountFormatFactory());
    }

    public MonetaryAmountSerializer(final MonetaryAmountFormatFactory factory) {
        this.factory = factory;
    }

    @Override
    public void serialize(final MonetaryAmount value, final JsonGenerator generator,
            final SerializerProvider provider) throws IOException {

        final BigDecimal amount = value.getNumber().numberValueExact(BigDecimal.class);
        final CurrencyUnit currency = value.getCurrency();
        @Nullable
        final String formatted = format(value, provider);

        generator.writeObject(new MoneyNode(amount, currency, formatted));
    }

    @Nullable
    private String format(final MonetaryAmount value, final SerializerProvider provider) {
        final Locale locale = provider.getConfig().getLocale();
        final MonetaryAmountFormat format = factory.create(locale);
        return format == null ? null : format.format(value);
    }

}