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Immutable JSON representation in Java

There is a newer version: 0.1.4

/*
 * Copyright 2020 Zuunr AB
 *
 * 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.
 */
package com.zuunr.json;

import java.io.IOException;
import java.util.Map;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;

/**
 * @author Niklas Eldberger
 */
public class JsonObjectSerializer extends StdSerializer {

    private static final long serialVersionUID = 1L;

    public JsonObjectSerializer() {
        this(null);
    }

    public JsonObjectSerializer(Class t) {
        super(t);
    }

    @Override
    public void serialize(JsonObject jsonObject, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {

        jsonGenerator.writeStartObject();

        for (Map.Entry entry : jsonObject.entrySet()) {
            jsonGenerator.writeFieldName(entry.getKey());
            jsonGenerator.writeObject(entry.getValue().getValue());
        }
        jsonGenerator.writeEndObject();

    }
}