Code polishing after analysis.

spring-webflow/src/main/java/org/springframework/webflow/engine/impl/RequestControlContextImpl.java

@@ -46,8 +46,8 @@ import org.springframework.webflow.execution.ViewSelection;
  * three classes work together to form a complete flow execution implementation
  * based on a finite state machine.
  * 
- * @see org.springframework.webflow.engine.machine.FlowExecutionImpl
- * @see org.springframework.webflow.engine.machine.FlowSessionImpl
+ * @see FlowExecutionImpl
+ * @see FlowSessionImpl
  * 
  * @author Keith Donald
  * @author Erwin Vervaet

spring-webflow/src/main/java/org/springframework/webflow/executor/jsf/FlowPhaseListener.java

@@ -242,10 +242,6 @@ public class FlowPhaseListener implements PhaseListener {
 		UIViewRoot viewRoot = facesContext.getViewRoot();
 		if (viewRoot == null || hasViewChanged(viewRoot, viewId)) {
 			// create the specified view so that it can be rendered
-			if (logger.isDebugEnabled()) {
-				logger.debug("Creating new view with id '" + viewId + "' from previous view with id '"
-						+ viewRoot.getViewId() + "'");
-			}
 			ViewHandler handler = facesContext.getApplication().getViewHandler();
 			UIViewRoot view = handler.createView(facesContext, viewId);
 			facesContext.setViewRoot(view);

spring-webflow/src/main/java/org/springframework/webflow/executor/jsf/FlowPropertyResolver.java

@@ -149,7 +149,7 @@ public class FlowPropertyResolver extends PropertyResolver {
 			return;
 		}
 		if (property == null || !(property instanceof String)
-				|| (property instanceof String && ((String)property).length() == 0)) {
+				|| ((String)property).length() == 0) {
 			throw new PropertyNotFoundException(
 					"Attempt to set Flow attribute with null name, empty name, or non-String name");
 		}

spring-webflow/src/main/java/org/springframework/webflow/util/RandomGuid.java

@@ -103,7 +103,7 @@ import java.util.Random;
  * @version 1.2.1 11/05/02
  * @author Marc A. Mnich
  */
-public class RandomGuid extends Object {
+public class RandomGuid {
 
 	private static Random random;
 
@@ -111,9 +111,7 @@ public class RandomGuid extends Object {
 
 	private static String id;
 
-	private String valueBeforeMD5 = "";
-
-	private String valueAfterMD5 = "";
+	private String guid;
 
 	/*
 	 * Static block to take care of one time secureRandom seed. It takes a few
@@ -187,7 +185,7 @@ public class RandomGuid extends Object {
 		sbValueBeforeMD5.append(":");
 		sbValueBeforeMD5.append(Long.toString(rand));
 
-		valueBeforeMD5 = sbValueBeforeMD5.toString();
+		String valueBeforeMD5 = sbValueBeforeMD5.toString();
 		md5.update(valueBeforeMD5.getBytes());
 
 		byte[] array = md5.digest();
@@ -198,7 +196,7 @@ public class RandomGuid extends Object {
 				sb.append('0');
 			sb.append(Integer.toHexString(b));
 		}
-		valueAfterMD5 = sb.toString();
+		guid = sb.toString();
 	}
 
 	/**
@@ -207,7 +205,7 @@ public class RandomGuid extends Object {
 	 * Example: "C2FEEEAC-CFCD-11D1-8B05-00600806D9B6".
 	 */
 	public String toString() {
-		String raw = valueAfterMD5.toUpperCase();
+		String raw = guid.toUpperCase();
 		StringBuffer sb = new StringBuffer();
 		sb.append(raw.substring(0, 8));
 		sb.append("-");