Added method to construct child TypeManagers that inherit from their parent.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@269156 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/src/java/org/apache/myrmidon/components/type/DefaultTypeManager.java

@@ -48,6 +48,11 @@ public class DefaultTypeManager
         return createFactory( role );
     }
 
+    public TypeManager createChildTypeManager()
+    {
+        return new DefaultTypeManager( this );
+    }
+
     protected final MultiSourceTypeFactory lookupFactory( final String role )
     {
         return (MultiSourceTypeFactory)m_roleMap.get( role );
@@ -76,7 +81,7 @@ public class DefaultTypeManager
             factory = new MultiSourceTypeFactory( parentFactory );
         }
 
-        ///If we haven't goa factory try to create a new one
+        ///If we haven't got factory try to create a new one
         if( null == factory )
         {
             try

proposal/myrmidon/src/java/org/apache/myrmidon/components/type/TypeManager.java

@@ -24,4 +24,6 @@ public interface TypeManager
 
     TypeFactory getFactory( String role )
         throws TypeException;
+
+    TypeManager createChildTypeManager();
 }