org.bozzo.ipplan.web.json.StreamSerializer.java Source code

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Here is the source code for org.bozzo.ipplan.web.json.StreamSerializer.java

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/*
 * Copyright (C) 2016
 *     Boris Barnier <b.barnier@gmail.com>
 *   
 * This file is part of ipplan-api.
 * 
 * ipplan-api is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * ipplan-api is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with ipplan-api.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.bozzo.ipplan.web.json;

import java.io.IOException;
import java.io.UncheckedIOException;
import java.util.stream.Stream;

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

/**
 * @author boris
 *
 */
public class StreamSerializer extends JsonSerializer<Stream<?>> {

    @Override
    public void serialize(Stream<?> value, JsonGenerator generator, SerializerProvider serializer)
            throws IOException, JsonProcessingException {
        if (value == null) {
            generator.writeNull();
        } else {
            generator.writeStartArray();
            value.forEach(obj -> {
                try {
                    generator.writeObject(obj);
                } catch (IOException e) {
                    throw new UncheckedIOException(e);
                }
            });
            generator.writeEndArray();
        }
    }

}