r926 - trunk/simexplorer-is/simexplorer-is-swing/src/java/fr/cemagref/simexplorer/is/ui - Simexplorer-si-commits

13 Feb 2008

Author: tchemit
Date: 2008-02-13 15:27:24 +0000 (Wed, 13 Feb 2008)
New Revision: 926

Modified:
   trunk/simexplorer-is/simexplorer-is-swing/src/java/fr/cemagref/simexplorer/is/ui/StorageServiceHelper.java
Log:
initialisation des services

Modified: trunk/simexplorer-is/simexplorer-is-swing/src/java/fr/cemagref/simexplorer/is/ui/StorageServiceHelper.java
===================================================================

--- trunk/simexplorer-is/simexplorer-is-swing/src/java/fr/cemagref/simexplorer/is/ui/StorageServiceHelper.java	2008-02-13 15:24:47 UTC (rev 925)
+++ trunk/simexplorer-is/simexplorer-is-swing/src/java/fr/cemagref/simexplorer/is/ui/StorageServiceHelper.java	2008-02-13 15:27:24 UTC (rev 926)
@@ -26,16 +26,42 @@
 import fr.cemagref.simexplorer.is.service.SimExplorerServiceException;
 import fr.cemagref.simexplorer.is.service.StorageService;
 
+import javax.naming.Context;
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
 import java.io.BufferedInputStream;
 import java.io.InputStream;
+import java.net.URI;
+import java.util.Properties;
 
 /**
- * Une classe pour encapsuler les appels aux services Storage
+ * Une classe pour encapsuler les appels aux services Storage et leur initialisation.
  *
  * @author chemit
  */
 public class StorageServiceHelper {
 
+    private final static String PROVIDER_URL = "java.naming.provider.url";
+    private final static String FACTORY_INITIAL = "java.naming.factory.initial";
+    private final static String FACTORY_URL_PKGS = "java.naming.factory.url.pkgs";
+
+    /** le service de données distant */
+    protected static StorageService remoteStorageService;
+
+    /** le service de données local */
+    protected static StorageService storageService;
+
+    /**
+     * @param context le context de l'application
+     * @param remote  flag pour indiquer le type de service recherché (local ou remote)
+     * @return le service instancié et initialisé
+     */
+    public static StorageService getService(SimExplorerContext context, boolean remote) {
+        StorageService service;
+        service = remote ? getRemoteStorageService(context) : getLocalStorageService(context);
+        return service;
+    }
+
     public static int getCount(SimExplorerContext context, boolean remote, String query, boolean onlyLatest) {
         StorageService service = getService(context, remote);
         String token = context.getToken();
@@ -145,9 +171,79 @@
         }
     }
 
-    protected static StorageService getService(SimExplorerContext context, boolean remote) {
+    /**
+     * @param context le context de l'application
+     * @return le service de storage locale
+     */
+    protected static StorageService getLocalStorageService(SimExplorerContext context) {
+        if (storageService == null) {
+            storageService = initLocalStorageService(context.getConfig());
+        }
+        return storageService;
+    }
+
+    /**
+     * @param context le context de l'application
+     * @return le service de storage distant
+     */
+    protected static StorageService getRemoteStorageService(SimExplorerContext context) {
+        if (remoteStorageService == null) {
+            remoteStorageService = initRemoteStorageService(context.getConfig());
+        }
+        return remoteStorageService;
+    }
+
+    /**
+     * Initialise le service local de Storage
+     *
+     * @param config la config de l'application
+     * @return le service local initialisé
+     * @throws SimExplorerRuntimeException si pb lors de l'init du service
+     */
+    protected static StorageService initLocalStorageService(SimExplorerConfig config) throws SimExplorerRuntimeException {
         StorageService service;
-        service = context.getStorageService(remote);
-        return service;
+        try {
+            service = new MockStorageServiceImpl();
+            return service;
+        } catch (Exception e) {
+            throw new SimExplorerRuntimeException(e);
+        }
     }
+
+    /**
+     * Initialise le service distant de Storage
+     *
+     * @param config la config de l'application
+     * @return le service distant initialisé
+     * @throws SimExplorerRuntimeException si pb lors de l'init du service
+     */
+    protected static StorageService initRemoteStorageService(SimExplorerConfig config) throws SimExplorerRuntimeException {
+
+        try {
+            StorageService service;
+            Properties props = initProperties(config.getRemoteURI());
+            Context context;
+            try {
+                context = new InitialContext(props);
+            } catch (Exception e) {
+                context = new InitialContext();
+            }
+            service = (StorageService) context.lookup("StorageService");
+            return service;
+        } catch (NamingException e) {
+            throw new SimExplorerRuntimeException(e);
+        }
+    }
+
+    protected static Properties initProperties(URI uri) {
+        Properties props = (Properties) System.getProperties().clone();
+        props.put(PROVIDER_URL, uri.toString());
+        props.put(FACTORY_INITIAL, "org.jnp.interfaces.NamingContextFactory");
+        props.put(FACTORY_URL_PKGS, "org.jnp.interfaces");
+        return props;
+    }
+
+    protected StorageServiceHelper() {
+        // no instance
+    }
 }

    

r926 - trunk/simexplorer-is/simexplorer-is-swing/src/java/fr/cemagref/simexplorer/is/ui

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