Listen to properties change events and readjust current settings. JM-880

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk@5840 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/wildfire/auth/AuthFactory.java

@@ -16,6 +16,7 @@ import org.jivesoftware.wildfire.user.UserNotFoundException;
 
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
+import java.util.Map;
 
 /**
  * Authentication service.
@@ -42,17 +43,6 @@ public class AuthFactory {
     private static Blowfish cipher = null;
 
     static {
-        // Load an auth provider.
-        String className = JiveGlobals.getXMLProperty("provider.auth.className",
-                "org.jivesoftware.wildfire.auth.DefaultAuthProvider");
-        try {
-            Class c = ClassUtils.forName(className);
-            authProvider = (AuthProvider)c.newInstance();
-        }
-        catch (Exception e) {
-            Log.error("Error loading auth provider: " + className, e);
-            authProvider = new DefaultAuthProvider();
-        }
         // Create a message digest instance.
         try {
             digest = MessageDigest.getInstance("SHA");
@@ -60,6 +50,46 @@ public class AuthFactory {
         catch (NoSuchAlgorithmException e) {
             Log.error(LocaleUtils.getLocalizedString("admin.error"), e);
         }
+        // Load an auth provider.
+        initProvider();
+
+        // Detect when a new auth provider class is set 
+        PropertyEventListener propListener = new PropertyEventListener() {
+            public void propertySet(String property, Map params) {
+                //Ignore
+            }
+
+            public void propertyDeleted(String property, Map params) {
+                //Ignore
+            }
+
+            public void xmlPropertySet(String property, Map params) {
+                if ("provider.auth.className".equals(property)) {
+                    initProvider();
+                }
+            }
+
+            public void xmlPropertyDeleted(String property, Map params) {
+                //Ignore
+            }
+        };
+        PropertyEventDispatcher.addListener(propListener);
+    }
+
+    private static void initProvider() {
+        String className = JiveGlobals.getXMLProperty("provider.auth.className",
+                "org.jivesoftware.wildfire.auth.DefaultAuthProvider");
+        // Check if we need to reset the auth provider class 
+        if (authProvider == null || !className.equals(authProvider.getClass().getName())) {
+            try {
+                Class c = ClassUtils.forName(className);
+                authProvider = (AuthProvider)c.newInstance();
+            }
+            catch (Exception e) {
+                Log.error("Error loading auth provider: " + className, e);
+                authProvider = new DefaultAuthProvider();
+            }
+        }
     }
 
     /**

src/java/org/jivesoftware/wildfire/user/UserManager.java

@@ -21,10 +21,7 @@ import org.jivesoftware.wildfire.event.UserEventDispatcher;
 import org.xmpp.packet.IQ;
 import org.xmpp.packet.JID;
 
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Iterator;
-import java.util.Set;
+import java.util.*;
 
 /**
  * Manages users, including loading, creating and deleting.
@@ -53,16 +50,29 @@ public class UserManager implements IQResultListener {
                 512 * 1024, JiveConstants.MINUTE*30);
         CacheManager.initializeCache("Roster", "username2roster", 512 * 1024);
         // Load a user provider.
-        String className = JiveGlobals.getXMLProperty("provider.user.className",
-                "org.jivesoftware.wildfire.user.DefaultUserProvider");
-        try {
-            Class c = ClassUtils.forName(className);
-            provider = (UserProvider)c.newInstance();
-        }
-        catch (Exception e) {
-            Log.error("Error loading user provider: " + className, e);
-            provider = new DefaultUserProvider();
-        }
+        initProvider();
+
+        // Detect when a new auth provider class is set
+        PropertyEventListener propListener = new PropertyEventListener() {
+            public void propertySet(String property, Map params) {
+                //Ignore
+            }
+
+            public void propertyDeleted(String property, Map params) {
+                //Ignore
+            }
+
+            public void xmlPropertySet(String property, Map params) {
+                if ("provider.user.className".equals(property)) {
+                    initProvider();
+                }
+            }
+
+            public void xmlPropertyDeleted(String property, Map params) {
+                //Ignore
+            }
+        };
+        PropertyEventDispatcher.addListener(propListener);
     }
 
     /**
@@ -96,6 +106,7 @@ public class UserManager implements IQResultListener {
      *
      * @param username the new and unique username for the account.
      * @param password the password for the account (plain text).
+     * @param name the name of the user.
      * @param email the email address to associate with the new account, which can
      *      be <tt>null</tt>.
      * @return a new User.
@@ -387,4 +398,21 @@ public class UserManager implements IQResultListener {
             from.toBareJID().intern().notifyAll();
         }
     }
+
+
+    private static void initProvider() {
+        String className = JiveGlobals.getXMLProperty("provider.user.className",
+                "org.jivesoftware.wildfire.user.DefaultUserProvider");
+        // Check if we need to reset the provider class
+        if (provider == null || !className.equals(provider.getClass().getName())) {
+            try {
+                Class c = ClassUtils.forName(className);
+                provider = (UserProvider) c.newInstance();
+            }
+            catch (Exception e) {
+                Log.error("Error loading user provider: " + className, e);
+                provider = new DefaultUserProvider();
+            }
+        }
+    }
 }
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