diff --git a/proposal/myrmidon/src/java/org/apache/myrmidon/components/builder/DefaultProjectBuilder.java b/proposal/myrmidon/src/java/org/apache/myrmidon/components/builder/DefaultProjectBuilder.java
index 86a8b46d7..b57e13e3c 100644
--- a/proposal/myrmidon/src/java/org/apache/myrmidon/components/builder/DefaultProjectBuilder.java
+++ b/proposal/myrmidon/src/java/org/apache/myrmidon/components/builder/DefaultProjectBuilder.java
@@ -18,6 +18,7 @@ import org.apache.avalon.framework.configuration.Configuration;
 import org.apache.avalon.framework.configuration.ConfigurationException;
 import org.apache.avalon.framework.configuration.SAXConfigurationHandler;
 import org.apache.avalon.framework.logger.AbstractLoggable;
+import org.apache.avalon.framework.parameters.Parameters;
 import org.apache.log.Logger;
 import org.apache.myrmidon.api.TaskContext;
 import org.apache.myrmidon.components.model.Condition;
@@ -50,7 +51,7 @@ public class DefaultProjectBuilder
      * @exception IOException if an error occurs
      * @exception Exception if an error occurs
      */
-    public Project build( final String source )
+    public Project build( final String source, final Parameters parameters )
         throws Exception
     {
         final File file = new File( source );
@@ -102,7 +103,7 @@ public class DefaultProjectBuilder
      * @exception Exception if an error occurs
      * @exception ConfigurationException if an error occurs
      */
-    private DefaultProject buildProject( final File file, 
+    private DefaultProject buildProject( final File file,
                                          final Configuration configuration )
         throws Exception
     {
@@ -226,7 +227,7 @@ public class DefaultProjectBuilder
         if( !validName( name ) )
         {
             throw new Exception( "Projectref with an invalid name attribute at " +
-                                 element.getLocation() );           
+                                 element.getLocation() );
         }
 
         if( null == location )
@@ -301,7 +302,7 @@ public class DefaultProjectBuilder
         if( !validName( name ) )
         {
             throw new Exception( "Target with an invalid name at " +
-                                 target.getLocation() );           
+                                 target.getLocation() );
         }
 
         getLogger().debug( "Parsing target: " + name );
diff --git a/proposal/myrmidon/src/java/org/apache/myrmidon/components/builder/ProjectBuilder.java b/proposal/myrmidon/src/java/org/apache/myrmidon/components/builder/ProjectBuilder.java
index 90167515e..6cfab9ac5 100644
--- a/proposal/myrmidon/src/java/org/apache/myrmidon/components/builder/ProjectBuilder.java
+++ b/proposal/myrmidon/src/java/org/apache/myrmidon/components/builder/ProjectBuilder.java
@@ -10,6 +10,7 @@ package org.apache.myrmidon.components.builder;
 import java.io.File;
 import java.io.IOException;
 import org.apache.avalon.framework.component.Component;
+import org.apache.avalon.framework.parameters.Parameters;
 import org.apache.myrmidon.components.model.Project;
 
 /**
@@ -30,6 +31,6 @@ public interface ProjectBuilder
      * @exception IOException if an error occurs
      * @exception AntException if an error occurs
      */
-    Project build( String source )
+    Project build( String source, Parameters parameters )
         throws Exception;
 }
diff --git a/proposal/myrmidon/src/java/org/apache/myrmidon/components/embeddor/DefaultEmbeddor.java b/proposal/myrmidon/src/java/org/apache/myrmidon/components/embeddor/DefaultEmbeddor.java
index 755442ddb..896a88eeb 100644
--- a/proposal/myrmidon/src/java/org/apache/myrmidon/components/embeddor/DefaultEmbeddor.java
+++ b/proposal/myrmidon/src/java/org/apache/myrmidon/components/embeddor/DefaultEmbeddor.java
@@ -76,11 +76,30 @@ public class DefaultEmbeddor
     }
 
     public Project createProject( final String location, 
-                                  final String type, 
+                                  String type, 
                                   final Parameters parameters )
         throws Exception
     {
-        return m_builder.build( location );
+        if( null == type )
+        {
+            type = guessTypeFor( location );
+        }
+
+        final ProjectBuilder builder = getProjectBuilder( type );
+        return builder.build( location, parameters );
+    }
+
+    private String guessTypeFor( final String location )
+    {
+        //TODO: use hueristics to map filename extention to type
+        return "ant";
+    }
+
+    private ProjectBuilder getProjectBuilder( final String type )
+        throws Exception
+    {
+        //FIXME: Should not be ignoring type
+        return m_builder;
     }
 
     public ProjectManager createProjectManager( final Project project,