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54 david 1
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.observation.ObservationModele;
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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.JSONString;
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import com.google.gwt.json.client.JSONValue;
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/**
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 * DAO d'accès a une observation
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 *
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 * @author aurelien
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 *
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 */
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public class ImageGeneriqueVueAsynchroneDAO {
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	/**
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	 * Le modele associé au DAO
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	 */
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	private ObservationModele observationModele = null;
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	public ImageGeneriqueVueAsynchroneDAO(ObservationModele obs) {
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		observationModele = obs;
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	}
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	/**
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	 * Recherche Image repartition associee a un nom
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	 * @param r
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	 * @param identifiant
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	 * @param numeroNomenclaturalSaisiObservation
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	 */
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	public void obtenirURLImage(final Rafraichissable r, String numeroNomenclaturalSaisiObservation) {
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		// on envoie le get asynchrone
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		RequestBuilder rb = new RequestBuilder(RequestBuilder.GET,observationModele.getConfig().getServiceBaseUrl()
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				+"/NameImage/"+numeroNomenclaturalSaisiObservation) ;
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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,
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						Response response) {
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					JSONValue responseValue = JSONParser.parse(response.getText());
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					JSONArray reponse;
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					String urlImage=null;
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					if ((reponse = responseValue.isArray()) != null) {
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						// Url Image
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						urlImage= ((JSONString)reponse.get(0)).stringValue();
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					}
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					else {
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						urlImage="";
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					}
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					r.rafraichir(urlImage,true);
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				}
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			}) ;
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		} catch (RequestException e) {
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			// TODO Auto-generated catch block
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			e.printStackTrace();
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		}
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	}
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}