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A Java wrapper dor the Highcharts javascript library to include interactive charts in your Java web application.

There is a newer version: 2.0.1

/**
 *   Copyright 2012-2013 Wicked Charts (http://wicked-charts.googlecode.com)
 *
 *   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.googlecode.wickedcharts.highcharts.jackson;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.googlecode.wickedcharts.highcharts.options.series.Box;
import com.googlecode.wickedcharts.highcharts.options.series.BoxSeries;

import java.io.IOException;

public class BoxSeriesSerializer extends JsonSerializer {

    @Override
    public void serialize(final BoxSeries value, final JsonGenerator jgen, final SerializerProvider provider) throws IOException, JsonProcessingException {

        StringBuffer result = new StringBuffer();
        result.append("{");
        if (value.getData() != null) {
            result.append("data: [");
            for (Box point : value.getData()) {
                final Number timestamp = point.getTimestamp();
                result.append("[" + (timestamp != null ? timestamp + ", " : "") +
                        point.getLow() + ", " +
                        point.getOpen() + ", " +
                        point.getMedian() + ", " +
                        point.getClose() + ", " +
                        point.getHigh() +
                        "],");
            }
            result = new StringBuffer(result.substring(0, result.length() - 1));
            result.append("]");
        }
        result.append("}");
        jgen.writeRawValue(result.toString());
    }

}