Give access to XmlModelMetadata from velocity helper

Author: gnodet

modello-plugins/modello-plugin-velocity/src/main/java/org/codehaus/modello/plugin/velocity/Helper.java

@@ -24,6 +24,7 @@
 import java.util.List;
 
 import org.codehaus.modello.ModelloRuntimeException;
+import org.codehaus.modello.model.Model;
 import org.codehaus.modello.model.ModelAssociation;
 import org.codehaus.modello.model.ModelClass;
 import org.codehaus.modello.model.ModelField;
@@ -32,6 +33,7 @@
 import org.codehaus.modello.plugins.xml.metadata.XmlAssociationMetadata;
 import org.codehaus.modello.plugins.xml.metadata.XmlClassMetadata;
 import org.codehaus.modello.plugins.xml.metadata.XmlFieldMetadata;
+import org.codehaus.modello.plugins.xml.metadata.XmlModelMetadata;
 import org.codehaus.plexus.util.StringUtils;
 
 /**
@@ -86,6 +88,13 @@ public List<ModelClass> ancestors(ModelClass clazz) {
         return ancestors;
     }
 
+    /**
+     * Returns the {@code XmlClassMetadata} for the given {@code ModelClass}.
+     */
+    public XmlModelMetadata xmlModelMetadata(Model model) {
+        return (XmlModelMetadata) model.getMetadata(XmlModelMetadata.ID);
+    }
+
     /**
      * Returns the {@code XmlClassMetadata} for the given {@code ModelClass}.
      */