Remove the concept of a factory method for creating nested elements

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@268488 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/IntrospectionHelper.java

@@ -95,13 +95,6 @@ public class IntrospectionHelper  {
      */
     private Method addText = null;
 
-    /**
-     * The method used to add nested elements which can't be added through
-     * nested creators. It allows a task to define a factory method for creating
-     * nested elements.
-     */
-    private Method elementFactoryMethod = null;
-
     /**
      * The Class that's been introspected.
      */
@@ -145,14 +138,6 @@ public class IntrospectionHelper  {
                 && java.lang.String.class.equals(args[0])) {
 
                 addText = methods[i];
-                
-            } else if ("createElement".equals(name)
-                       && !returnType.isArray()
-                       && !returnType.isPrimitive()
-                       && args.length == 1
-                       && java.lang.String.class.equals(args[0])) {
-
-                elementFactoryMethod = methods[i];
 
             } else if (name.startsWith("set")
                        && java.lang.Void.TYPE.equals(returnType)
@@ -281,23 +266,13 @@ public class IntrospectionHelper  {
     public Object createElement(Object element, String elementName) 
         throws BuildException {
         NestedCreator nc = (NestedCreator) nestedCreators.get(elementName);
+        if (nc == null) {
+            String msg = "Class " + element.getClass().getName() +
+                " doesn't support the nested \"" + elementName + "\" element";
+            throw new BuildException(msg);
+        }
         try {
-            if (nc == null) {
-                Object nestedElement = null;
-                if (elementFactoryMethod != null) {
-                    nestedElement 
-                        = elementFactoryMethod.invoke(element, new Object[] {elementName});
-                }
-                if (nestedElement == null) {
-                    String msg = "Class " + element.getClass().getName() +
-                        " doesn't support the nested \"" + elementName + "\" element";
-                    throw new BuildException(msg);
-                }
-                return nestedElement;
-            }
-            else {
-                return nc.create(element);
-            }
+            return nc.create(element);
         } catch (IllegalAccessException ie) {
             // impossible as getMethods should only return public methods
             throw new BuildException(ie);