DPML Notify

[mcconnell AT dpml.net]

Author: mcconnell AT dpml.net
Date: Mon Jun 13 03:46:27 2005
New Revision: 2834

Modified:
   development/main/depot/console/src/main/net/dpml/depot/Main.java
Log:
Add support for -get (basicaly the same as thetransit command line -get 
function).

Modified: development/main/depot/console/src/main/net/dpml/depot/Main.java
==============================================================================
--- development/main/depot/console/src/main/net/dpml/depot/Main.java    
(original)
+++ development/main/depot/console/src/main/net/dpml/depot/Main.java    Mon 
Jun 13 03:46:27 2005
@@ -23,6 +23,8 @@
 import java.lang.reflect.Method;
 import java.net.URL;
 import java.net.URI;
+import java.net.MalformedURLException;
+import java.net.URISyntaxException;
 import java.rmi.Remote;
 import java.rmi.ConnectException;
 import java.rmi.RemoteException;
@@ -55,7 +57,6 @@
 import net.dpml.depot.profile.DepotModel;
 import net.dpml.depot.profile.DepotStorage;
 
-
 /**
  * CLI hander for the depot package.
  *
@@ -144,6 +145,30 @@
         }
 
         //
+        // check if get has been requested
+        //
+   
+        for( int i=0; i < args.length; i++ )
+        {
+            String arg = args[i];
+            if( arg.equals( "-get" ) )
+            {
+                if( i+1 < args.length )
+                {
+                    String path = args[i+1];
+                    handleGet( logger, args, path );
+                }
+                else
+                {
+                    final String error = 
+                      "Missing get parameter value.";
+                    logger.error( error );
+                }
+                return;
+            }
+        }
+
+        //
         // establish the target application profile to run
         //
 
@@ -234,8 +259,7 @@
                 URI uri = p.getURI();
                 try
                 {
-                    TransitHome home = new TransitStorageUnit();
-                    TransitModel model = home.create();
+                    TransitModel model = loadTransitModel( args, logger );
                     Transit transit = Transit.getInstance( model );
                     Logger log = logger.getChildLogger( target );
                     Repository loader = transit.getRepository();
@@ -360,6 +384,52 @@
         }
     }
 
+    private static void handleGet( Logger logger, String[] args, String path 
) throws HandledError
+    {
+        TransitModel model = loadTransitModel( args, logger );
+        try
+        {
+            Transit transit = Transit.getInstance( model );
+            URI uri = new URI( path );
+            URL url = new URL( uri.toASCIIString() );
+            File file = (File) url.getContent( new Class[]{ File.class } );
+            getLogger().info( "Cached as: " + file );
+        }
+        catch( URISyntaxException e )
+        {
+            final String error = 
+              "Supplied path argument could not be converted to a valid URI."
+              + "\nPath: " + path;
+            getLogger().error( error );
+            throw new HandledError();
+        }
+        catch( MalformedURLException e )
+        {
+            final String error = 
+              "Supplied path argument could not be converted to a valid URL."
+              + "\nPath: " + path
+              + "\nCause: " + e.getMessage();
+            getLogger().error( error );
+            throw new HandledError();
+        }
+        catch( IOException e )
+        {
+            final String error = 
+              "IOException while attemopting to resolve artifact."
+              + "\nURI: " + path
+              + "\nCause: " + e.getMessage();
+            getLogger().error( error );
+            throw new HandledError();
+        }
+        catch( Exception e )
+        {
+            final String error = 
+              "Unexpected exception while attempting to get artifact.";
+            getLogger().error( error, e );
+            throw new HandledError();
+        } 
+    }
+
     public static Registry getRegistry( Connection connection )
     {
         if( null == connection )
@@ -587,12 +657,13 @@
           "Depot application deployment."
           + "\n\nUsage: depot [option] [args]"
           + "\n\nAvailable command line options:"
-          + "\n\n -debug            Enable debug level logging."
+          + "\n\n -debug          Enable debug level logging."
+          + "\n -get [artifact]   Load the supplied artifact to the cache."
           + "\n -help             List command line help."
           + "\n -prefs            Start the Depot preferences editor."
           + "\n -profile [name]   Launch a named application."
-          + "\n -station          Start the Depot Station Server activation 
system."
           + "\n -reset            Clear Depot and Transit prefences."
+          + "\n -station          Start the Depot Station Server activation 
system."
           + "\n -version          List Depot version information.";
         logger.info( message );
     }
@@ -607,6 +678,24 @@
         logger.info( message );
     }
 
+    // TODO: add support for transit configuration profile selection
+
+    private static TransitModel loadTransitModel( String[] args, Logger 
logger )
+    {
+        try
+        {
+            TransitHome home = new TransitStorageUnit();
+            return home.create();
+        }
+        catch( ClassCastException e )
+        {
+            final String error = 
+              "Unexpected error while attempting to construct the transit 
model.";
+            getLogger().error( error, e );
+            throw new HandledError();
+        } 
+    }
+
     
//--------------------------------------------------------------------------
     // static utilities for setup of logging manager and root prefs
     
//--------------------------------------------------------------------------