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Free Java Reporting Library
/*
* 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.fill;
import java.io.ByteArrayInputStream;
import java.net.URL;
import java.net.URLEncoder;
import java.util.Map;
import javax.xml.parsers.DocumentBuilderFactory;
import org.jaxen.dom.DOMXPath;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import net.sf.jasperreports.components.items.Item;
import net.sf.jasperreports.components.items.ItemProperty;
import net.sf.jasperreports.components.items.fill.FillItem;
import net.sf.jasperreports.components.map.MapComponent;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.component.FillContextProvider;
import net.sf.jasperreports.engine.fill.JRFillExpressionEvaluator;
import net.sf.jasperreports.engine.fill.JRFillObjectFactory;
import net.sf.jasperreports.engine.type.ColorEnum;
import net.sf.jasperreports.engine.util.JRColorUtil;
import net.sf.jasperreports.engine.util.JRLoader;
/**
* @author Teodor Danciu ([email protected])
*/
public class FillPlaceItem extends FillItem
{
public static final String PROPERTY_COLOR = "color";
public static final String EXCEPTION_MESSAGE_KEY_MISSING_COORDINATES = "components.map.missing.coordinates";
/**
*
*/
public FillPlaceItem(
FillContextProvider fillContextProvider,
Item item,
JRFillObjectFactory factory
)
{
super(fillContextProvider, item, factory);
}
@Override
public Object getEvaluatedValue(ItemProperty property, JRFillExpressionEvaluator evaluator, byte evaluation) throws JRException
{
Object result = super.getEvaluatedValue(property, evaluator, evaluation);
return MapComponent.ITEM_PROPERTY_address.equals(property.getName())
? getCoords((String)result)
: (PROPERTY_COLOR.equals(property.getName())
? JRColorUtil.getColorHexa(JRColorUtil.getColor((String)result, ColorEnum.RED.getColor()))
: result);
}
@Override
public void verifyValue(ItemProperty property, Object value) throws JRException {
}
@Override
public void verifyValues(Map result) throws JRException {
if(result != null) {
Object latitude = result.get(MapComponent.ITEM_PROPERTY_latitude);
Object longitude = result.get(MapComponent.ITEM_PROPERTY_longitude);
Object address = result.get(MapComponent.ITEM_PROPERTY_address);
Float fLatitude = null;
if (latitude instanceof Number)
{
fLatitude = ((Number)latitude).floatValue();
}
else
{
String strLatitude = latitude == null ? null : String.valueOf(latitude);
fLatitude = strLatitude == null || strLatitude.trim().length() == 0 ? null : Float.parseFloat(strLatitude);
}
Float fLongitude = null;
if (longitude instanceof Number)
{
fLongitude = ((Number)longitude).floatValue();
}
else
{
String strLongitude = longitude == null ? null : String.valueOf(longitude);
fLongitude = strLongitude == null || strLongitude.trim().length() == 0 ? null : Float.parseFloat(strLongitude);
}
if (fLatitude != null && fLongitude != null)
{
result.remove(MapComponent.ITEM_PROPERTY_address);
result.put(MapComponent.ITEM_PROPERTY_latitude, fLatitude);
result.put(MapComponent.ITEM_PROPERTY_longitude, fLongitude);
}
else if (address != null)
{
Float[] coords = (Float[])address;
if(coords[0] != null && coords[1] != null){
result.put(MapComponent.ITEM_PROPERTY_latitude, coords[0]);
result.put(MapComponent.ITEM_PROPERTY_longitude, coords[1]);
result.remove(MapComponent.ITEM_PROPERTY_address);
} else {
throw
new JRException(
MapFillComponent.EXCEPTION_MESSAGE_KEY_INVALID_ADDRESS_COORDINATES,
new Object[]{coords[0], coords[1]}
);
}
}
else
{
throw
new JRException(
EXCEPTION_MESSAGE_KEY_MISSING_COORDINATES,
new Object[]{fLatitude == null ? MapComponent.ITEM_PROPERTY_latitude : MapComponent.ITEM_PROPERTY_longitude}
);
}
}
}
private Float[] getCoords(String address) throws JRException {
String reqParams = ((MapFillComponent)fillContextProvider).getReqParams();
Float[] coords = null;
if(address != null) {
try {
String urlStr = MapFillComponent.PLACE_URL_PREFIX
+ URLEncoder.encode(address, MapFillComponent.DEFAULT_ENCODING)
+ MapFillComponent.PLACE_URL_SUFFIX
+ (reqParams != null && reqParams.trim().length() > 0 ? "&" + reqParams : "");
URL url = new URL(urlStr);
byte[] response = JRLoader.loadBytes(url);
Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new ByteArrayInputStream(response));
Node statusNode = (Node) new DOMXPath(MapFillComponent.STATUS_NODE).selectSingleNode(document);
String status = statusNode.getTextContent();
if(MapFillComponent.STATUS_OK.equals(status)) {
coords = new Float[2];
Node latNode = (Node) new DOMXPath(MapFillComponent.LATITUDE_NODE).selectSingleNode(document);
coords[0] = Float.valueOf(latNode.getTextContent());
Node lngNode = (Node) new DOMXPath(MapFillComponent.LONGITUDE_NODE).selectSingleNode(document);
coords[1] = Float.valueOf(lngNode.getTextContent());
} else {
throw
new JRException(
MapFillComponent.EXCEPTION_MESSAGE_KEY_ADDRESS_REQUEST_FAILED,
new Object[]{status}
);
}
} catch (Exception e) {
throw new JRException(e);
}
}
return coords;
}
}