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package org.tela_botanica.client.modeles;
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import org.tela_botanica.client.interfaces.Rafraichissable;
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import org.tela_botanica.client.util.UtilDAO;
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import com.google.gwt.http.client.Request;
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import com.google.gwt.http.client.RequestBuilder;
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import com.google.gwt.http.client.RequestCallback;
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import com.google.gwt.http.client.RequestException;
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import com.google.gwt.http.client.Response;
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import com.google.gwt.json.client.JSONArray;
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import com.google.gwt.json.client.JSONObject;
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import com.google.gwt.json.client.JSONParser;
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import com.google.gwt.json.client.JSONString;
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import com.google.gwt.json.client.JSONValue;
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public class ValeurListeAsyncDao {
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jp_milcent |
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private static final String SERVICE_NOM = "CoelValeurListe";
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private Rafraichissable vue = null;
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public ValeurListeAsyncDao() {
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// TODO Auto-generated constructor stub
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}
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public ValeurListeAsyncDao(Rafraichissable vueARafraichir) {
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vue = vueARafraichir;
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}
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gduche |
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public void obtenirListe(Integer cle) {
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gduche |
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selectionner("id", cle, "*", "*");
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gduche |
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}
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public void selectionner(String type, Integer cleParent, String abv, String idValeur) {
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gduche |
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// Ajout des paramètres et données à selectionner dans l'URL
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String[] parametres = new String[4];
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parametres[0] = type;
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parametres[1] = cleParent.toString();
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parametres[2] = "*";
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gduche |
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if (!type.equals("id")) {
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parametres[2] = abv;
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}
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gduche |
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parametres[3] = idValeur;
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RequestBuilder rb = UtilDAO.construireRequete(SERVICE_NOM, parametres);
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try {
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rb.sendRequest(null, new RequestCallback() {
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public void onError(Request request, Throwable exception) {
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// TODO Auto-generated method stub
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}
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public void onResponseReceived(Request request, Response response) {
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final JSONValue responseValue = JSONParser.parse(response.getText());
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// Si la requête est un succès, reception d'un tableau
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if (responseValue.isObject() != null) {
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gduche |
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try {
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final JSONObject reponse = responseValue.isObject();
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JSONString listeId = reponse.get("id").isString();
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JSONArray listeValeurs = reponse.get("valeurs").isArray();
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if (listeId != null) {
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// Transformation du tableau JSON réponse en Liste
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ValeurListe liste = new ValeurListe(listeId, listeValeurs);
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// et on met à jour le demandeur des données
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vue.rafraichir(liste);
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}
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} catch (NullPointerException e) {
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e.printStackTrace();
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}
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}
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}
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});
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} catch (RequestException e) {
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e.printStackTrace();
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}
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}
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gduche |
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}
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