added a helper method on the broker for its default administration connection context to avoid various parts of the code spoofing one and to provide a single place we can register any particular security details for startup or runtime MBean based administration

git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@426132 13f79535-47bb-0310-9956-ffa450edef68

activemq-core/src/main/java/org/apache/activemq/broker/Broker.java

@@ -238,4 +238,14 @@ public interface Broker extends Region, Service {
      * @return true if fault tolerant
      */
     public boolean isFaultTolerantConfiguration();
+
+    /**
+     * @return the connection context used to make administration operations on startup or via JMX MBeans
+     */
+    public abstract ConnectionContext getAdminConnectionContext();
+
+    /**
+     * Sets the default administration connection context used when configuring the broker on startup or via JMX
+     */
+    public abstract void setAdminConnectionContext(ConnectionContext adminConnectionContext);
 }

activemq-core/src/main/java/org/apache/activemq/broker/BrokerFilter.java

@@ -213,9 +213,16 @@ public class BrokerFilter implements Broker {
         
     }
 
-
     public boolean isFaultTolerantConfiguration(){
         return next.isFaultTolerantConfiguration();
     }
 
+    public ConnectionContext getAdminConnectionContext() {
+        return next.getAdminConnectionContext();
+    }
+
+    public void setAdminConnectionContext(ConnectionContext adminConnectionContext) {
+        next.setAdminConnectionContext(adminConnectionContext);
+    }
+    
 }

activemq-core/src/main/java/org/apache/activemq/broker/BrokerService.java

@@ -1202,16 +1202,41 @@ public class BrokerService implements Service, Serializable {
      */
     protected void startDestinations() throws Exception {
         if (destinations != null) {
-            ConnectionContext context = new ConnectionContext();
-            context.setBroker(getBroker());
+            ConnectionContext adminConnectionContext = getAdminConnectionContext();
             
             for (int i = 0; i < destinations.length; i++) {
                 ActiveMQDestination destination = destinations[i];
-                getBroker().addDestination(context, destination);
+                getBroker().addDestination(adminConnectionContext, destination);
             }
         }
     }
     
+    /**
+     * Returns the broker's administration connection context used for configuring the broker
+     * at startup
+     */
+    public ConnectionContext getAdminConnectionContext() throws Exception {
+        ConnectionContext adminConnectionContext = getBroker().getAdminConnectionContext();
+        if (adminConnectionContext == null) {
+            adminConnectionContext = createAdminConnectionContext();
+            getBroker().setAdminConnectionContext(adminConnectionContext);
+        }
+        return adminConnectionContext;
+    }
+    
+    /**
+     * Factory method to create the new administration connection context object.
+     * Note this method is here rather than inside a default broker implementation to
+     * ensure that the broker reference inside it is the outer most interceptor
+     */
+    protected ConnectionContext createAdminConnectionContext() throws Exception {
+        ConnectionContext context = new ConnectionContext();
+        context.setBroker(getBroker());
+        return context;
+    }
+
+
+    
     /**
      * Start all transport and network connections, proxies and bridges
      * @throws Exception

activemq-core/src/main/java/org/apache/activemq/broker/EmptyBroker.java

@@ -182,6 +182,7 @@ public class EmptyBroker implements Broker{
 
     /**
      * Notifiy the Broker that a dispatch has happened
+     * 
      * @param messageDispatch
      */
     public void processDispatch(MessageDispatch messageDispatch) {
@@ -214,5 +215,11 @@ public class EmptyBroker implements Broker{
         return false;
     }
 
+    public ConnectionContext getAdminConnectionContext() {
+        return null;
+    }
+
+    public void setAdminConnectionContext(ConnectionContext adminConnectionContext) {
+    }
 
 }

activemq-core/src/main/java/org/apache/activemq/broker/ErrorBroker.java

@@ -38,7 +38,8 @@ import org.apache.activemq.command.SessionInfo;
 import org.apache.activemq.command.TransactionId;
 
 /**
- * Implementation of the broker where all it's methods throw an BrokerStoppedException.
+ * Implementation of the broker where all it's methods throw an
+ * BrokerStoppedException.
  * 
  * @version $Revision$
  */
@@ -204,17 +205,22 @@ public class ErrorBroker implements Broker {
 
     public void addDestinationInfo(ConnectionContext context, DestinationInfo info) throws Exception {
         throw new BrokerStoppedException(this.message);
-        
     }
 
     public void removeDestinationInfo(ConnectionContext context, DestinationInfo info) throws Exception {
         throw new BrokerStoppedException(this.message);
-        
     }
 
     public boolean isFaultTolerantConfiguration() {
         throw new BrokerStoppedException(this.message);
     }
 
+    public ConnectionContext getAdminConnectionContext() {
+        throw new BrokerStoppedException(this.message);
+    }
+
+    public void setAdminConnectionContext(ConnectionContext adminConnectionContext) {
+        throw new BrokerStoppedException(this.message);
+    }
 
 }

activemq-core/src/main/java/org/apache/activemq/broker/MutableBrokerFilter.java

@@ -229,4 +229,12 @@ public class MutableBrokerFilter implements Broker {
        return getNext().isFaultTolerantConfiguration();
     }
 
+    public ConnectionContext getAdminConnectionContext() {
+        return getNext().getAdminConnectionContext();
+    }
+
+    public void setAdminConnectionContext(ConnectionContext adminConnectionContext) {
+        getNext().setAdminConnectionContext(adminConnectionContext);
+    }
+
 }

activemq-core/src/main/java/org/apache/activemq/broker/jmx/BrokerView.java

@@ -180,9 +180,7 @@ public class BrokerView implements BrokerViewMBean {
     }
     
     static public ConnectionContext getConnectionContext(Broker broker) {
-        ConnectionContext context = new ConnectionContext();
-        context.setBroker(broker);
-        return context;
+        return broker.getAdminConnectionContext();
     }
 
 }

activemq-core/src/main/java/org/apache/activemq/broker/region/RegionBroker.java

@@ -85,6 +85,7 @@ public class RegionBroker implements Broker {
     private Map clientIdSet = new HashMap(); // we will synchronize access
     protected  PersistenceAdapter adaptor;
     private final DestinationInterceptor destinationInterceptor;
+    private ConnectionContext adminConnectionContext;
         
     public RegionBroker(BrokerService brokerService,TaskRunnerFactory taskRunnerFactory, UsageManager memoryManager, PersistenceAdapter adapter, DestinationInterceptor destinationInterceptor) throws IOException {
         this.brokerService = brokerService;
@@ -533,5 +534,11 @@ public class RegionBroker implements Broker {
         return destinationInterceptor;
     }
 
-
+    public ConnectionContext getAdminConnectionContext() {
+        return adminConnectionContext;
+    }
+ 
+    public void setAdminConnectionContext(ConnectionContext adminConnectionContext) {
+        this.adminConnectionContext = adminConnectionContext;
+    }
 }