http://jira.springframework.org/browse/SWF-625

spring-webflow/src/main/java/org/springframework/webflow/mvc/view/MvcView.java

@@ -23,7 +23,6 @@ import java.util.List;
 import java.util.Map;
 
 import org.springframework.beans.factory.BeanFactory;
-import org.springframework.binding.collection.MapAdaptable;
 import org.springframework.binding.convert.ConversionException;
 import org.springframework.binding.convert.ConversionExecutor;
 import org.springframework.binding.expression.EvaluationException;
@@ -237,8 +236,7 @@ public abstract class MvcView implements View {
 	private void addDefaultMappings(DefaultMapper mapper, ParameterMap requestParameters, Object model) {
 		for (Iterator it = requestParameters.asMap().keySet().iterator(); it.hasNext();) {
 			String name = (String) it.next();
-			Expression source = expressionParser.parseExpression(name, new FluentParserContext()
-					.evaluate(MapAdaptable.class));
+			Expression source = new RequestParameterExpression(name);
 			Expression target = expressionParser.parseExpression(name, new FluentParserContext().evaluate(model
 					.getClass()));
 			DefaultMapping mapping = new DefaultMapping(source, target);
@@ -360,6 +358,33 @@ public abstract class MvcView implements View {
 		}
 	}
 
+	private static class RequestParameterExpression implements Expression {
+
+		private String parameterName;
+
+		public RequestParameterExpression(String parameterName) {
+			this.parameterName = parameterName;
+		}
+
+		public String getExpressionString() {
+			return parameterName;
+		}
+
+		public Object getValue(Object context) throws EvaluationException {
+			ParameterMap map = (ParameterMap) context;
+			return map.get(parameterName);
+		}
+
+		public Class getValueType(Object context) {
+			return String.class;
+		}
+
+		public void setValue(Object context, Object value) throws EvaluationException {
+			throw new UnsupportedOperationException("Not supported");
+		}
+
+	}
+
 	private static class FormatterBackedMappingConversionExecutor implements ConversionExecutor {
 
 		private FormatterRegistry formatterRegistry;

spring-webflow/src/test/java/org/springframework/webflow/mvc/view/MvcViewTests.java

@@ -127,6 +127,7 @@ public class MvcViewTests extends TestCase {
 		context.putRequestParameter("stringProperty", "foo");
 		context.putRequestParameter("integerProperty", "5");
 		context.putRequestParameter("dateProperty", "2007-01-01");
+		context.putRequestParameter("beanProperty.name", "foo");
 		BindBean bindBean = new BindBean();
 		StaticExpression modelObject = new StaticExpression(bindBean);
 		modelObject.setExpressionString("bindBean");
@@ -148,6 +149,7 @@ public class MvcViewTests extends TestCase {
 		cal.clear();
 		cal.set(Calendar.YEAR, 2007);
 		assertEquals(cal.getTime(), bindBean.getDateProperty());
+		assertEquals("foo", bindBean.getBeanProperty().getName());
 	}
 
 	private class MockMvcView extends MvcView {
@@ -180,12 +182,14 @@ public class MvcViewTests extends TestCase {
 		private String stringProperty;
 		private Integer integerProperty = new Integer(3);
 		private Date dateProperty;
+		private NestedBean beanProperty;
 
 		public BindBean() {
 			Calendar cal = Calendar.getInstance();
 			cal.clear();
 			cal.set(Calendar.YEAR, 2008);
 			dateProperty = cal.getTime();
+			beanProperty = new NestedBean();
 		}
 
 		public String getStringProperty() {
@@ -212,6 +216,21 @@ public class MvcViewTests extends TestCase {
 			this.dateProperty = dateProperty;
 		}
 
+		public NestedBean getBeanProperty() {
+			return beanProperty;
+		}
+	}
+
+	public static class NestedBean {
+		private String name;
+
+		public String getName() {
+			return name;
+		}
+
+		public void setName(String name) {
+			this.name = name;
+		}
 	}
 
 }