DPML Notify

[mcconnell AT dpml.net]

Author: mcconnell AT dpml.net
Date: Sun Apr 24 20:43:36 2005
New Revision: 2397

Modified:
   
development/main/metro/composition/builder/src/main/net/dpml/composition/builder/TypeBuilderTask.java
   
development/main/metro/composition/control/src/main/net/dpml/composition/control/ContextInvocationHandler.java
   
development/main/metro/composition/testing/test/src/main/net/dpml/test/state/ManagedComponent.java
Log:
committing before surgery

Modified: 
development/main/metro/composition/builder/src/main/net/dpml/composition/builder/TypeBuilderTask.java
==============================================================================
--- 
development/main/metro/composition/builder/src/main/net/dpml/composition/builder/TypeBuilderTask.java
       (original)
+++ 
development/main/metro/composition/builder/src/main/net/dpml/composition/builder/TypeBuilderTask.java
       Sun Apr 24 20:43:36 2005
@@ -620,8 +620,12 @@
             for( int i=0; i<methods.length; i++ )
             {
                 Method method = methods[i];
-                EntryDescriptor descriptor = createEntryDescriptor( method );
-                list.add( descriptor );
+                String name = method.getName();
+                if( false == "addObserver".equals( name ) )
+                {
+                    EntryDescriptor descriptor = createEntryDescriptor( 
method );
+                    list.add( descriptor );
+                }
             }
             return (EntryDescriptor[]) list.toArray( new EntryDescriptor[0] 
);
         }

Modified: 
development/main/metro/composition/control/src/main/net/dpml/composition/control/ContextInvocationHandler.java
==============================================================================
--- 
development/main/metro/composition/control/src/main/net/dpml/composition/control/ContextInvocationHandler.java
      (original)
+++ 
development/main/metro/composition/control/src/main/net/dpml/composition/control/ContextInvocationHandler.java
      Sun Apr 24 20:43:36 2005
@@ -18,6 +18,7 @@
 
 package net.dpml.composition.control;
 
+import java.util.Observer;
 import java.lang.reflect.InvocationHandler;
 import java.lang.reflect.Method;
 
@@ -101,9 +102,22 @@
         else
         {
             String name = method.getName();
-            String key = getKeyFromMethod( method );
-            Holder.ContextMap map = getHolder().getContextMap();
-            return map.getValue( key, args ); 
+            if( Void.TYPE.equals( method.getReturnType() ) 
+              && ( null != args ) 
+              && ( args.length == 1 ) 
+              && "addObserver".equals( name ) 
+              && ( args[0] instanceof Observer ) )
+            {
+                Observer observer = (Observer) args[0];
+                getHolder().addObserver( observer );
+                return null;
+            }
+            else
+            {
+                String key = getKeyFromMethod( method );
+                Holder.ContextMap map = getHolder().getContextMap();
+                return map.getValue( key, args );
+            }
         }
     }
 

Modified: 
development/main/metro/composition/testing/test/src/main/net/dpml/test/state/ManagedComponent.java
==============================================================================
--- 
development/main/metro/composition/testing/test/src/main/net/dpml/test/state/ManagedComponent.java
  (original)
+++ 
development/main/metro/composition/testing/test/src/main/net/dpml/test/state/ManagedComponent.java
  Sun Apr 24 20:43:36 2005
@@ -21,6 +21,8 @@
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.util.logging.Logger;
+import java.util.Observer;
+import java.util.Observable;
 
 import javax.swing.event.ChangeListener;
 
@@ -33,7 +35,7 @@
  * 
  * @author <a href="mailto:info AT dpml.net";>The Digital Product Meta 
Library</a>
  */
-public class ManagedComponent
+public class ManagedComponent implements Observer
 {
     // ------------------------------------------------------------------
     // static
@@ -56,9 +58,15 @@
      * 
      * @param logger the logging channel assigned by the container
      */
-    public ManagedComponent( final Logger logger )
+    public ManagedComponent( final Logger logger, Context context )
     {
         m_logger = logger;
+        context.addObserver( this );
+    }
+
+    public void update( Observable observable, Object event )
+    {
+        m_logger.info( "# event: " + event );
     }
 
     // ------------------------------------------------------------------
@@ -84,6 +92,11 @@
         }
     }
 
+    public interface Context
+    {
+         void addObserver( Observer observer );
+    }
+
     // ------------------------------------------------------------------
     // implementation
     // ------------------------------------------------------------------