Better support for annotating actions in Java flow builders.

spring-webflow/changelog.txt

@@ -20,6 +20,8 @@ Package org.springframework.webflow.engine
 * Added invoke(String, Action) method to AbstractFlowBuilder.
 * Added initBuilder() hook method to AbstractFlowBuilder.
 * Added name(String, Action) method to AbstractFlowBuilder for convenient creation of named actions.
+* AnnotatedAction now has a convenience putAttribute(String, Object) method.
+* Added annotate(Action) method to AbstractFlowBuilder.
 
 Package org.springframework.webflow.executor
 * JSF integration code now manages flow execution locks properly in exceptional situations and when the

spring-webflow/src/main/java/org/springframework/webflow/engine/AnnotatedAction.java

@@ -134,6 +134,18 @@ public class AnnotatedAction extends AnnotatedObject implements Action {
 	public void setMethod(String method) {
 		getAttributeMap().put(METHOD_ATTRIBUTE, method);
 	}
+	
+	/**
+	 * Set an attribute on this annotated object.
+	 * @param attributeName the name of the attribute to set
+	 * @param attributeValue the value of the attribute
+	 * @return this object, to support call chaining
+	 * @since 1.0.4
+	 */
+	public AnnotatedAction putAttribute(String attributeName, Object attributeValue) {
+		getAttributeMap().put(attributeName, attributeValue);
+		return this;
+	}	
 
 	public Event execute(RequestContext context) throws Exception {
 		AttributeMap originalAttributes = getAttributeMap();

spring-webflow/src/main/java/org/springframework/webflow/engine/builder/AbstractFlowBuilder.java

@@ -638,6 +638,22 @@ public abstract class AbstractFlowBuilder extends BaseFlowBuilder {
 	protected ActionResultExposer result(String resultName, ScopeType resultScope) {
 		return new ActionResultExposer(resultName, resultScope);
 	}
+	
+	/**
+	 * Wrap given action in an {@link AnnotatedAction}} to be able
+	 * to annotate it with attributes.
+	 * @param action the action to annotate
+	 * @return the wrapped action
+	 * @since 1.0.4
+	 */
+	protected AnnotatedAction annotate(Action action) {
+		if (action instanceof AnnotatedAction) {
+			return (AnnotatedAction)action;
+		}
+		else {
+			return new AnnotatedAction(action);
+		}
+	}
 
 	/**
 	 * Creates an annotated action decorator that instructs the specified method