nz.net.orcon.kanban.tools.MapJsonSerializer.java Source code

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Here is the source code for nz.net.orcon.kanban.tools.MapJsonSerializer.java

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/**
 * GRAVITY WORKFLOW AUTOMATION
 * (C) Copyright 2015 Orcon Limited
 * (C) Copyright 2016 Peter Harrison
 * 
 * This file is part of Gravity Workflow Automation.
 *
 * Gravity Workflow Automation 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.
 *
 * Gravity Workflow Automation 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 Gravity Workflow Automation.  
 * If not, see <http://www.gnu.org/licenses/>. 
 */

package nz.net.orcon.kanban.tools;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;
import java.util.Map.Entry;
import java.util.TimeZone;

import org.codehaus.jackson.JsonGenerator;
import org.codehaus.jackson.JsonProcessingException;
import org.codehaus.jackson.map.JsonSerializer;
import org.codehaus.jackson.map.SerializerProvider;
import org.springframework.stereotype.Component;

@Component
public class MapJsonSerializer extends JsonSerializer<Map<String, Object>> {

    @Override
    public void serialize(Map<String, Object> fields, JsonGenerator jgen, SerializerProvider provider)
            throws IOException, JsonProcessingException {
        jgen.writeStartObject();
        for (Entry<String, Object> entry : fields.entrySet()) {
            Object objectValue = entry.getValue();
            if (objectValue instanceof Date) {
                Date date = (Date) objectValue;
                SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ");
                simpleDateFormat.setTimeZone(TimeZone.getTimeZone("Pacific/Auckland"));
                String formattedDate = simpleDateFormat.format(date);
                jgen.writeObjectField(entry.getKey().toString(), formattedDate);
            } else {
                jgen.writeObjectField(entry.getKey().toString(), objectValue);
            }
        }
        jgen.writeEndObject();
    }

}