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La Class
package com.plectre.test;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Iterator;
import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.JDOMException;
import org.jdom2.filter.ElementFilter;
import org.jdom2.input.SAXBuilder;
import org.jdom2.output.Format;
import org.jdom2.output.XMLOutputter;
public class Xml {
static Document document;
static Element racine;
static Element placemark;
public void writeXml() {
// String typeDoc = "<kml xmlns=\"http://www.opengis.net/kml/2.2\">";
// Creation de la racine KML qui sera <Document>
racine = new Element("Document");
// Création du nouveau document KML avec <Document> en racine du fichier
document = new Document(racine);
// On crée le placemark
Element placemark = new Element("Placemark");
racine.addContent(placemark);
// On crée l'element name
Element name = new Element("name");
placemark.addContent(name);
name.setText("Write");
Element desc = new Element("Description");
placemark.addContent(desc);
Element style = new Element("Style");
placemark.addContent(style);
Element lineStyle = new Element("LineStyle");
style.addContent(lineStyle);
Element color = new Element("color");
lineStyle.addContent(color);
color.addContent("FFFFFF");
Element width = new Element("width");
lineStyle.addContent(width);
// Element multigeo = new Element("MultiGeometry");
// placemark.addContent(multigeo);
// On crée element lineString
Element LineString = new Element("LineString");
// On ajoute Line String à placemark
placemark.addContent(LineString);
Element tesselate = new Element("tesselate");
lineStyle.addContent(tesselate);
Element altiMode = new Element("altitudeMode");
lineStyle.addContent(altiMode);
// On crée l'element ccordinate
Element coord = new Element("coordinates");
// On ajoute coordinate en enfant de LineString
LineString.addContent(coord);
// On met les coordonnées entre les balises coordinates
// coord.addContent(" 00000" + " , " + " 0.1234 ");
try {
XMLOutputter xmlOutPut = new XMLOutputter(Format.getPrettyFormat());
xmlOutPut.output(document, new FileOutputStream(new File(
"./src/Trak.kml")));
}
catch (Exception ex) {
ex.printStackTrace();
}
}
// Construction de la méthode XmlBuilder
public void readXml() {
SAXBuilder sxb = new SAXBuilder();
try {
document = sxb.build(new File("./src/Trak.kml"));
} catch (Exception e) {
System.out.println("Erreur ouverture Trak.kml");
}
}
// ****************************************************************
// ******** Ajout coordonnées dans le dernier <coordinates> *********
// ****************************************************************
public void newCoordonnees(String lat, String longi) throws JDOMException,
IOException {
// Récuperation du dernier placemark
SAXBuilder sxb = new SAXBuilder();
document = sxb.build(new File("./src/Trak.kml"));
// .............................................................
// Premier Filtre le KML afin de récupérer le dernier Placemark
// .............................................................
ElementFilter docFilter = new ElementFilter("Placemark");
Iterator<?> itrDoc = (Iterator<?>) document.getDescendants(docFilter);
Element plac = null;
while (itrDoc.hasNext()) {
plac = (Element) itrDoc.next();
System.out.println("plac " + plac + "\r\n");
}
if (plac != null) {
// }
// .............................................................
// Deuxieme Filtre récupére le <coordinates> ...............
// .............................................................
ElementFilter efilter = new ElementFilter("coordinates");
Iterator<?> itr = (Iterator<?>) plac.getDescendants(efilter);
Element coord = null;
while (itr.hasNext()) {
coord = (Element) itr.next();
}
// On ajoute les coordonées
if (coord != null) {
System.out.println("coord != null : " + coord + "\r\n");
coord.addContent(lat);
coord.addContent(longi);
try {
XMLOutputter xmlOutPut = new XMLOutputter(
Format.getPrettyFormat());
xmlOutPut.output(document, new FileOutputStream(new File(
"./src/Trak.kml")));
}
catch (Exception e) {
System.out.println(e.getMessage());
}
}
}
}
public void filtrePlacemark() throws JDOMException, IOException {
SAXBuilder sxb = new SAXBuilder();
document = sxb.build(new File("./src/Trak.kml"));
// .............................................................
// Premier Filtre le KML pour récupérer le dernier Placemark
// .............................................................
ElementFilter docFilter = new ElementFilter("Placemark");
Iterator<?> itrDoc = (Iterator<?>) document.getDescendants(docFilter);
Element plac = null;
while (itrDoc.hasNext()) {
plac = (Element) itrDoc.next();
System.out.println(plac);
newTypeCollecte("Type de collecte " + itrDoc.toString());
}
// .............................................................
// Deuxieme Filtre récupére le texte de coordinates
// .............................................................
ElementFilter efilter = new ElementFilter("coordinates");
Iterator<?> itr = (Iterator<?>) plac.getDescendants(efilter);
Element coord = null;
while (itr.hasNext()) {
coord = (Element) itr.next();
}
if (coord != null) {
System.out.println("coord != null : " + coord + "\r\n");
coord.addContent("rien ");
coord.addContent("Rien");
try {
XMLOutputter xmlOutPut = new XMLOutputter(
Format.getPrettyFormat());
xmlOutPut.output(document, new FileOutputStream(new File(
"./src/Trak.kml")));
}
catch (Exception e) {
System.out.println(e.getMessage());
}
}
}
// **************************************************************
// ********** Changement du type decollecte ***********************
// **************************************************************
public void newTypeCollecte(String typeCollecte) {
try {
// On crée le placemark
Element placemark = new Element("Placemark");
racine.addContent(placemark);
// On crée l'element name
Element name = new Element("name");
placemark.addContent(name);
name.setText(typeCollecte);
Element desc = new Element("Description");
placemark.addContent(desc);
Element style = new Element("Style");
placemark.addContent(style);
Element lineStyle = new Element("LineStyle");
style.addContent(lineStyle);
Element color = new Element("color");
lineStyle.addContent(color);
color.addContent(typeCollecte);
Element width = new Element("width");
lineStyle.addContent(width);
// Element multigeo = new Element("MultiGeometry");
// placemark.addContent(multigeo);
// On crée element lineString
Element LineString = new Element("LineString");
// On ajoute Line String à placemark
placemark.addContent(LineString);
Element tesselate = new Element("tesselate");
lineStyle.addContent(tesselate);
Element altiMode = new Element("altitudeMode");
lineStyle.addContent(altiMode);
// On crée l'element ccordinate
Element coord = new Element("coordinates");
// On ajoute coordinate en enfant de LineString
LineString.addContent(coord);
XMLOutputter xmlOutPut = new XMLOutputter(Format.getPrettyFormat());
xmlOutPut.output(document, new FileOutputStream(new File(
"./src/Trak.kml")));
System.out.println("Methode nouveau placemark");
}
catch (Exception ex) {
ex.printStackTrace();
}
}
} |
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