Added BeanFactoryFlowVariable(String, BeanFactory, ScopeType) convenience constructor to the BeanFactoryFlowVariable.

Added settableExpression() method to AbstractFlowBuilder.

spring-webflow/changelog.txt

@@ -39,6 +39,9 @@ Package org.springframework.webflow.engine
 * Added AbstractFlowBuilderFlowRegistryFactoryBean for easy setup of a flow registry containing
   flows built using AbstractFlowBuilders.
 * Added DefaultFlowServiceLocator(String, BeanFactory) convenience constructor to the DefaultFlowServiceLocator.
+* Added BeanFactoryFlowVariable(String, BeanFactory, ScopeType) convenience constructor to the
+  BeanFactoryFlowVariable.
+* Added settableExpression() method to AbstractFlowBuilder.
 
 Package org.springframework.webflow.execution
 * Added FlowExecutionListener.sessionCreated(RequestContext, FlowSession) callback, useful for

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

@@ -16,6 +16,7 @@
 package org.springframework.webflow.engine.builder;
 
 import org.springframework.binding.expression.Expression;
+import org.springframework.binding.expression.SettableExpression;
 import org.springframework.binding.mapping.AttributeMapper;
 import org.springframework.binding.mapping.Mapping;
 import org.springframework.binding.mapping.MappingBuilder;
@@ -560,14 +561,22 @@ public abstract class AbstractFlowBuilder extends BaseFlowBuilder {
 	}
 
 	/**
-	 * Parses the expression string into a evaluatable {@link Expression}
-	 * object.
+	 * Parses the expression string into an evaluatable {@link Expression} object.
 	 * @param expressionString the expression string, e.g. flowScope.order.number
 	 * @return the evaluatable expression
 	 */
 	protected Expression expression(String expressionString) {
 		return getFlowServiceLocator().getExpressionParser().parseExpression(expressionString);
 	}
+	
+	/**
+	 * Parses the expression string into a settable {@link Expression} object.
+	 * @param expressionString the expression string, e.g. flowScope.order.number
+	 * @return the evaluatable expression
+	 */
+	protected SettableExpression settableExpression(String expressionString) {
+		return getFlowServiceLocator().getExpressionParser().parseSettableExpression(expressionString);
+	}
 
 	/**
 	 * Convert the encoded method signature string to a {@link MethodSignature}

spring-webflow/src/main/java/org/springframework/webflow/engine/support/BeanFactoryFlowVariable.java

@@ -27,6 +27,7 @@ import org.springframework.webflow.execution.ScopeType;
  * {@link BeanFactory}.
  * 
  * @author Keith Donald
+ * @author Erwin Vervaet
  */
 public class BeanFactoryFlowVariable extends FlowVariable {
 
@@ -40,6 +41,18 @@ public class BeanFactoryFlowVariable extends FlowVariable {
 	 * The bean factory where initial variable values will be obtained.
 	 */
 	private BeanFactory beanFactory;
+	
+	/**
+	 * Convenience constructor to create a new bean factory flow variable.
+	 * Defaults the bean name to the variable name.
+	 * @param name the variable name which will also be used as the bean name
+	 * @param beanFactory the bean factory where initial variable values will be
+	 * obtained
+	 * @param scope the variable scope
+	 */
+	public BeanFactoryFlowVariable(String name, BeanFactory beanFactory, ScopeType scope) {
+		this(name, name, beanFactory, scope);
+	}
 
 	/**
 	 * Creates a new bean factory flow variable.