From 0b7e278604530cd1b535c4641e4ac9da1c74d826 Mon Sep 17 00:00:00 2001
From: Matteo Melli <matteom@8kdata.com>
Date: Fri, 21 Apr 2017 09:32:57 +0200
Subject: [PATCH] Adapt configuration to new backends

---
 .../main/java/com/torodb/standalone/Main.java | 21 +++++++------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/main/src/main/java/com/torodb/standalone/Main.java b/main/src/main/java/com/torodb/standalone/Main.java
index a14f1d8f..1e1ef683 100644
--- a/main/src/main/java/com/torodb/standalone/Main.java
+++ b/main/src/main/java/com/torodb/standalone/Main.java
@@ -35,6 +35,7 @@
 import com.torodb.mongodb.core.MongoDbCoreBundle;
 import com.torodb.mongodb.wp.MongoDbWpBundle;
 import com.torodb.mongodb.wp.MongoDbWpConfig;
+import com.torodb.packaging.config.model.backend.BackendImplementation;
 import com.torodb.packaging.config.model.backend.BackendPasswordConfig;
 import com.torodb.packaging.config.model.backend.derby.AbstractDerby;
 import com.torodb.packaging.config.model.backend.postgres.AbstractPostgres;
@@ -42,6 +43,7 @@
 import com.torodb.packaging.config.model.protocol.mongo.MongoPasswordConfig;
 import com.torodb.packaging.config.model.protocol.mongo.Net;
 import com.torodb.packaging.config.util.BackendImplementationVisitor;
+import com.torodb.packaging.config.util.BackendImplementationVisitorWithDefault;
 import com.torodb.packaging.config.util.BundleFactory;
 import com.torodb.packaging.config.util.ConfigUtils;
 import com.torodb.packaging.util.Log4jUtils;
@@ -290,25 +292,18 @@ private static String readPwd() throws IOException {
   }
 
   private static void parseToropassFile(Config config) {
-    BackendImplementationVisitor<?, ?> visitor = new BackendImplementationVisitor<Void, Void>() {
+    BackendImplementationVisitor<?, ?> visitor = 
+        new BackendImplementationVisitorWithDefault<Void, Void>() {
       @Override
-      public Void visit(AbstractDerby value, Void arg) {
-        parseToropassFile(value);
-        return null;
-      }
-
-      @Override
-      public Void visit(AbstractPostgres value, Void arg) {
-        parseToropassFile(value);
-        return null;
-      }
-
-      public void parseToropassFile(BackendPasswordConfig value) {
+      public <T extends BackendImplementation & BackendPasswordConfig> Void defaultVisit(T value,
+          Void arg) {
         try {
           ConfigUtils.parseToropassFile(value, LOGGER);
         } catch (Exception ex) {
           throw new SystemException(ex);
         }
+        
+        return null;
       }
     };