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package org.tela_botanica.client.modeles;
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import org.tela_botanica.client.RegistreId;
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import org.tela_botanica.client.interfaces.Rafraichissable;
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import com.extjs.gxt.ui.client.Registry;
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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.JSONParser;
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import com.google.gwt.json.client.JSONValue;
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public class StructureListeAsyncDao {
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private StructureListe institutions = null;
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private Rafraichissable rafraichissement = null;
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public StructureListeAsyncDao(Rafraichissable r) {
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rafraichissement = r;
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}
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public void obtenirListeInstitution() {
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// Demande de toutes les structures
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String url = ((Configuration) Registry.get(RegistreId.CONFIG)).getServiceBaseUrl();
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RequestBuilder rb = new RequestBuilder(RequestBuilder.GET, url+"CoelStructureListe/");
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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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Boolean defaut = true;
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if (response.getText().length() != 0 && response.getText() != null) {
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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.isArray() != null) {
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final JSONArray reponse = responseValue.isArray();
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// Transformation du tableau JSON réponse en ListeInstitution
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institutions = new StructureListe(reponse);
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// et on met à jour le demandeur des données
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rafraichissement.rafraichir(institutions);
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// Tout c'est bien déroulé, on courcircuite l'affichage par défaut
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defaut = false;
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}
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}
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if (defaut == true) {
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institutions = new StructureListe(0);
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rafraichissement.rafraichir(institutions);
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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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}
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