bz.tsung.jsonapi4j.serialization.SingletonSerializer.java Source code

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Here is the source code for bz.tsung.jsonapi4j.serialization.SingletonSerializer.java

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/*
 * Copyright 2015, Yahoo Inc.
 * Licensed under the Apache License, Version 2.0
 * See LICENSE file in project root for terms.
 */
package bz.tsung.jsonapi4j.serialization;

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

import java.io.IOException;
import java.util.AbstractCollection;

/**
 * Custom serializer for top-level data.
 */
public class SingletonSerializer extends JsonSerializer<AbstractCollection> {

    @Override
    public void serialize(AbstractCollection data, JsonGenerator jsonGenerator,
            SerializerProvider serializerProvider) throws IOException {
        jsonGenerator.writeObject(data.iterator().next());
    }
}