org.geppetto.simulation.CustomSerializer.java Source code

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Here is the source code for org.geppetto.simulation.CustomSerializer.java

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/*******************************************************************************
 * The MIT License (MIT)
 * 
 * Copyright (c) 2011, 2013 OpenWorm.
 * http://openworm.org
 * 
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 * are made available under the terms of the MIT License
 * which accompanies this distribution, and is available at
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 *
 * Contributors:
 *        OpenWorm - http://openworm.org/people.html
 *
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 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights 
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
 * copies of the Software, and to permit persons to whom the Software is 
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in 
 * all copies or substantial portions of the Software.
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package org.geppetto.simulation;

import java.io.IOException;
import java.text.DecimalFormat;

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

/**
 * @author matteocantarelli
 * 
 */
public class CustomSerializer extends StdSerializer<Double> {
    public CustomSerializer(Class<Double> t) {
        super(t);
    }

    @Override
    public void serialize(Double value, JsonGenerator jgen, SerializerProvider provider)
            throws IOException, JsonGenerationException {

        if (null == value) {
            // write the word 'null' if there's no value available
            jgen.writeNull();
        } else if (value.equals(Double.NaN)) {
            jgen.writeNumber(Double.NaN);
        } else {
            final String pattern = "#.##";
            final DecimalFormat myFormatter = new DecimalFormat(pattern);
            final String output = myFormatter.format(value).replace(",", ".");
            jgen.writeNumber(output);
        }
    }
}