stockage.DAO_Parametre.java Source code

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Here is the source code for stockage.DAO_Parametre.java

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package stockage;

import bataille_navale.TailleGrille;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.JDOMException;
import org.jdom2.input.SAXBuilder;

/**
 * DAO_Parametre
 * @author Chayem Samy, Neret Tristan, Phan Christophe
 */
public class DAO_Parametre {

    ////////////////////////////// VARIABLES //////////////////////////////////

    private final String path = "stockage/fich_param.xml";
    private Document document;
    private final Element racine;

    ///////////////////////////// CONSTRUCTEUR ////////////////////////////////

    public DAO_Parametre() {

        SAXBuilder sxb = new SAXBuilder();
        try {

            //On cre un nouveau document JDOM avec en argument le fichier XML
            File f = new File(path);
            File dossier = new File("stockage");
            if (!dossier.exists()) {
                dossier.mkdir();
            }
            if (!f.exists()) {
                this.ecrireFichParam();
            }
            document = sxb.build(f);

        } catch (JDOMException | IOException e) {
            e.printStackTrace();
        }
        racine = document.getRootElement();

    } // DAO_Parametre()

    /**
     * Permet de recuperer les tailles de grille disponible
     * @return une liste des tailles de grille disonible
     */
    public List getTaillesGrille() {

        List grillesXML = racine.getChildren("grille");
        ArrayList<TailleGrille> listeGrilles = new ArrayList<>();
        Iterator i = grillesXML.iterator();

        while (i.hasNext()) {

            Element courant = (Element) i.next();
            TailleGrille tg = new TailleGrille(Integer.parseInt(courant.getChildText("x")),
                    Integer.parseInt(courant.getChildText("y")));
            listeGrilles.add(tg);

        }

        return listeGrilles;

    } // getTaillesGrille()

    /**
     * Permet de recuperer les difficultees disponibles
     * @return la liste de toutes les difficultees disponibles
     */
    public List getDifficultees() {

        Element difficulteXML = racine.getChild("difficulte");
        List modeXML = difficulteXML.getChildren("mode");
        ArrayList<String> listeDifficulte = new ArrayList<>();
        Iterator i = modeXML.iterator();

        while (i.hasNext()) {

            Element courant = (Element) i.next();
            String diff = courant.getText();
            listeDifficulte.add(diff);

        }

        return listeDifficulte;

    } // getDifficultees()

    /**
     * Permet d'ecrire le fichier parametre si celui-ci st intoruvable
     */
    private void ecrireFichParam() {

        String s = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + "<!--\n"
                + "Fichier XML contenant les parametres disponibles pour une partie\n" + "-->\n" + "<parametres>\n"
                + "    <grille>\n" + "        <x>10</x>\n" + "        <y>10</y>\n" + "    </grille>\n" + "    \n"
                + "    <grille>\n" + "        <x>15</x>\n" + "        <y>15</y>\n" + "    </grille>\n"
                + "    <difficulte>\n" + "        <mode>Facile</mode>\n" + "        <mode>Normal</mode>\n"
                + "        <mode>Difficile</mode>\n" + "    </difficulte>\n" + "</parametres>";

        try {

            File f = new File("stockage/fich_param.xml");
            BufferedWriter bw = new BufferedWriter(new FileWriter(f));

            bw.write(s);
            bw.newLine();

            bw.flush();
            bw.close();

        } catch (IOException ex) {
            Logger.getLogger(DAO_Parametre.class.getName()).log(Level.SEVERE, null, ex);
        }

    } // ecrireFichParam()

} // class DAO_Parametre