DPML Notify

[mcconnell AT netcompartner.com]

Author: mcconnell
Date: Mon Feb 14 15:56:24 2005
New Revision: 1778

Added:
   
development/main/home/transit/handler/src/main/net/dpml/transit/monitors/ConsoleSystemMonitor.java
   
development/main/home/transit/handler/src/main/net/dpml/transit/monitors/SilentSystemMonitor.java
   
development/main/home/transit/handler/src/main/net/dpml/transit/monitors/SystemMonitor.java
Modified:
   development/main/home/transit/handler/src/main/net/dpml/transit/Main.java
Log:
Enhancements concerning system monitoring.

Modified: 
development/main/home/transit/handler/src/main/net/dpml/transit/Main.java
==============================================================================
--- development/main/home/transit/handler/src/main/net/dpml/transit/Main.java 
  (original)
+++ development/main/home/transit/handler/src/main/net/dpml/transit/Main.java 
  Mon Feb 14 15:56:24 2005
@@ -36,6 +36,9 @@
 import net.dpml.transit.monitors.RepositoryMonitor;
 import net.dpml.transit.monitors.CacheMonitor;
 import net.dpml.transit.monitors.NetworkMonitor;
+import net.dpml.transit.monitors.SystemMonitor;
+import net.dpml.transit.monitors.ConsoleSystemMonitor;
+import net.dpml.transit.monitors.SilentSystemMonitor;
 import net.dpml.transit.util.Dictionary;
 
 /**
@@ -115,10 +118,25 @@
         }
 
         //
+        // Setup the system monitor.
+        //
+
+        boolean silent = false;
+        for( int i=0; i < args.length; i++ )
+        {
+            String arg = args[i];
+            if( "-Xsilent".equals( args[i] ) )
+            {
+                 silent = true;
+                 break;
+            }
+        }
+
+        //
         // setup transit
         //
 
-        Monitor monitor = new BootstrapMonitor( debug );
+        SystemMonitor monitor = getSystemMonitor( silent, debug );
         Transit transit = Transit.getInstance( monitor );
         Adapter adapter = new ConsoleAdapter( debug );
         RepositoryMonitor repoMonitor = new RepositoryMonitorAdapter( 
adapter );
@@ -179,6 +197,7 @@
         URI uri = Artifact.createArtifact( path ).toURI();
 
         Map data = new Hashtable();
+        data.put( "urn:transit.system.monitor", monitor );
         data.put( "urn:transit.repository.monitor", repoMonitor );
         data.put( "urn:transit.cache.monitor", cacheMonitor );
         data.put( "urn:transit.network.monitor", netMonitor );
@@ -194,6 +213,25 @@
     }
 
    /**
+    * Return the system monitor
+    *
+    * @param silent if TRUE return a silent monitor elese return a console 
monitor
+    * @param debug the debug policy
+    * @return the system monitor
+    */
+    private static SystemMonitor getSystemMonitor( boolean console, boolean 
debug )
+    {
+        if( console )
+        {
+            return new ConsoleSystemMonitor( debug );
+        }
+        else
+        {
+            return new SilentSystemMonitor( debug );
+        }
+    }
+
+   /**
     * Remove any locally handled command line parameters from the supplied 
args.
     * @param args the commandline args
     * @return the applications arugments
@@ -227,54 +265,5 @@
     {
         // disabled
     }
-
-   /**
-    * Internal monitor used to handle debug level trace messages 
-    * produced by transit during initialization.
-    */
-    private static class BootstrapMonitor implements Monitor
-    {
-       /**
-        * The transit lead tag.
-        */
-        private static final String TAG = "[transit] ";
-
-       /**
-        * The trace enabled state.
-        */
-        private final boolean m_trace;
-
-       /**
-        * Creation of a new bootstrap monitor.
-        * @param trace the trace enable flag
-        */
-        public BootstrapMonitor( boolean trace )
-        {
-            m_trace = trace;
-        }
-
-       /**
-        * Test is trace monitoring is enabled.
-        * @return true if debug trace messages are enabled elese false
-        */
-        public boolean isTraceEnabled()
-        {
-            return m_trace;
-        }
-
-       /**
-        * Process a trace message.
-        *
-        * @param message the trace level message
-        */
-        public void trace( String message )
-        {
-            if( isTraceEnabled() )
-            {
-                System.out.print( TAG );
-                System.out.println( message );
-            }
-        }
-    }
 }
 

Added: 
development/main/home/transit/handler/src/main/net/dpml/transit/monitors/ConsoleSystemMonitor.java
==============================================================================
--- (empty file)
+++ 
development/main/home/transit/handler/src/main/net/dpml/transit/monitors/ConsoleSystemMonitor.java
  Mon Feb 14 15:56:24 2005
@@ -0,0 +1,80 @@
+/* 
+ * Copyright 2005 Stephen McConnell.
+ *
+ * Licensed  under the  Apache License,  Version 2.0  (the "License");
+ * you may not use  this file  except in  compliance with the License.
+ * You may obtain a copy of the License at 
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed  under the  License is distributed on an "AS IS" BASIS,
+ * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY KIND, either  express  or
+ * implied.
+ * 
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.dpml.transit.monitors;
+
+import java.net.URL;
+
+/**
+ * Monitor used to handle debug level trace messages 
+ * produced by transit during initialization.
+ */
+ public class ConsoleSystemMonitor implements SystemMonitor
+ {
+   /**
+    * The transit lead tag.
+    */
+    private static final String TAG = "[transit] ";
+
+   /**
+    * The trace enabled state.
+    */
+    private final boolean m_trace;
+
+   /**
+    * Creation of a new bootstrap monitor.
+    * @param trace the trace enable flag
+    */
+    public ConsoleSystemMonitor( boolean trace )
+    {
+        m_trace = trace;
+    }
+
+   /**
+    * Test is trace monitoring is enabled.
+    * @return true if debug trace messages are enabled elese false
+    */
+    public boolean isTraceEnabled()
+    {
+        return m_trace;
+    }
+
+   /**
+    * Process a trace message.
+    *
+    * @param message the trace level message
+    */
+    public void trace( String message )
+    {
+        if( isTraceEnabled() )
+        {
+            System.out.print( TAG );
+            System.out.println( message );
+        }
+    }
+
+   /**
+    * Notification of the authority url established by Transit.
+    * @param authority URL authority url
+    */
+    public void notifyAuthority( URL authority )
+    {
+        trace( "authority established on: " + authority );
+    }
+}
+

Added: 
development/main/home/transit/handler/src/main/net/dpml/transit/monitors/SilentSystemMonitor.java
==============================================================================
--- (empty file)
+++ 
development/main/home/transit/handler/src/main/net/dpml/transit/monitors/SilentSystemMonitor.java
   Mon Feb 14 15:56:24 2005
@@ -0,0 +1,81 @@
+/* 
+ * Copyright 2005 Stephen McConnell.
+ *
+ * Licensed  under the  Apache License,  Version 2.0  (the "License");
+ * you may not use  this file  except in  compliance with the License.
+ * You may obtain a copy of the License at 
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed  under the  License is distributed on an "AS IS" BASIS,
+ * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY KIND, either  express  or
+ * implied.
+ * 
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.dpml.transit.monitors;
+
+import java.net.URL;
+
+/**
+ * Monitor used to hold information about the transit establishment and 
settings.
+ */
+ public class SilentSystemMonitor implements SystemMonitor
+ {
+   /**
+    * The transit lead tag.
+    */
+    private static final String TAG = "[transit] ";
+
+    private URL m_authority;
+
+   /**
+    * The trace enabled state.
+    */
+    private final boolean m_trace;
+
+   /**
+    * Creation of a new bootstrap monitor.
+    * @param trace the trace enable flag
+    */
+    public SilentSystemMonitor( boolean trace )
+    {
+        m_trace = trace;
+    }
+
+   /**
+    * Test is trace monitoring is enabled.
+    * @return true if debug trace messages are enabled elese false
+    */
+    public boolean isTraceEnabled()
+    {
+        return m_trace;
+    }
+
+   /**
+    * Process a trace message.
+    *
+    * @param message the trace level message
+    */
+    public void trace( String message )
+    {
+        if( isTraceEnabled() )
+        {
+            System.out.print( TAG ); // change me
+            System.out.println( message ); // change me
+        }
+    }
+
+   /**
+    * Notification of the authority url established by Transit.
+    * @param authority URL authority url
+    */
+    public void notifyAuthority( URL authority )
+    {
+        m_authority = authority;
+    }
+}
+

Added: 
development/main/home/transit/handler/src/main/net/dpml/transit/monitors/SystemMonitor.java
==============================================================================
--- (empty file)
+++ 
development/main/home/transit/handler/src/main/net/dpml/transit/monitors/SystemMonitor.java
 Mon Feb 14 15:56:24 2005
@@ -0,0 +1,34 @@
+/* 
+ * Copyright 2004 Niclas Hedhman.
+ *
+ * Licensed  under the  Apache License,  Version 2.0  (the "License");
+ * you may not use  this file  except in  compliance with the License.
+ * You may obtain a copy of the License at 
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed  under the  License is distributed on an "AS IS" BASIS,
+ * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY KIND, either  express  or
+ * implied.
+ * 
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.dpml.transit.monitors;
+
+import java.net.URL;
+
+/**
+ * Genric interface marking a class as a monitor.
+ */ 
+public interface SystemMonitor extends Monitor
+{
+   /**
+    * Notification of the authority url established by Transit.
+    * @param authority URL authority url
+    */
+    void notifyAuthority( URL authority );
+}
+