net.sf.jasperreports.components.map.MapElementJsonHandler Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 TIBCO Software Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see .
*/
package net.sf.jasperreports.components.map;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import net.sf.jasperreports.engine.JRGenericPrintElement;
import net.sf.jasperreports.engine.export.GenericElementJsonHandler;
import net.sf.jasperreports.engine.export.JsonExporterContext;
import net.sf.jasperreports.web.util.JacksonUtil;
import net.sf.jasperreports.web.util.VelocityUtil;
/**
* @author Narcis Marcu ([email protected])
*/
public class MapElementJsonHandler implements GenericElementJsonHandler
{
private static final MapElementJsonHandler INSTANCE = new MapElementJsonHandler();
private static final String MAP_ELEMENT_JSON_TEMPLATE = "net/sf/jasperreports/components/map/resources/templates/MapElementJsonTemplate.vm";
public static MapElementJsonHandler getInstance()
{
return INSTANCE;
}
@Override
public String getJsonFragment(JsonExporterContext context, JRGenericPrintElement element)
{
Map contextMap = new HashMap();
contextMap.put("mapCanvasId", "map_canvas_" + element.hashCode());
Float latitude = (Float)element.getParameterValue(MapComponent.ITEM_PROPERTY_latitude);
latitude = latitude == null ? MapComponent.DEFAULT_LATITUDE : latitude;
Float longitude = (Float)element.getParameterValue(MapComponent.ITEM_PROPERTY_longitude);
longitude = longitude == null ? MapComponent.DEFAULT_LONGITUDE : longitude;
Integer zoom = (Integer)element.getParameterValue(MapComponent.PARAMETER_ZOOM);
zoom = zoom == null ? MapComponent.DEFAULT_ZOOM : zoom;
String mapType = (String)element.getParameterValue(MapComponent.ATTRIBUTE_MAP_TYPE);
mapType = (mapType == null ? MapComponent.DEFAULT_MAP_TYPE.getName() : mapType).toUpperCase();
contextMap.put("latitude", latitude);
contextMap.put("longitude", longitude);
contextMap.put("zoom", zoom);
contextMap.put("mapType", mapType);
List