From 4df670ae7061056f4856e2cebe7d0e8e98d31aa5 Mon Sep 17 00:00:00 2001
From: Keith Donald <kdonald@vmware.com>
Date: Tue, 1 Apr 2008 20:20:28 +0000
Subject: [PATCH]

---
 .../webflow/samples/booking/Booking.java      | 19 +++++++++++++++++++
 .../webapp/WEB-INF/hotels/booking/booking.xml |  4 +++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/spring-webflow-samples/booking-mvc/src/main/java/org/springframework/webflow/samples/booking/Booking.java b/spring-webflow-samples/booking-mvc/src/main/java/org/springframework/webflow/samples/booking/Booking.java
index 5e42e88e..c81873d9 100755
--- a/spring-webflow-samples/booking-mvc/src/main/java/org/springframework/webflow/samples/booking/Booking.java
+++ b/spring-webflow-samples/booking-mvc/src/main/java/org/springframework/webflow/samples/booking/Booking.java
@@ -16,6 +16,9 @@ import javax.persistence.Temporal;
 import javax.persistence.TemporalType;
 import javax.persistence.Transient;
 
+import org.springframework.binding.message.MessageBuilder;
+import org.springframework.binding.message.MessageContext;
+
 /**
  * A Hotel Booking made by a User.
  */
@@ -173,6 +176,22 @@ public class Booking implements Serializable {
 	this.creditCardExpiryYear = creditCardExpiryYear;
     }
 
+    public boolean validate(MessageContext context) {
+	Calendar calendar = Calendar.getInstance();
+	calendar.add(Calendar.DAY_OF_MONTH, -1);
+	boolean valid = true;
+	if (checkinDate.before(calendar.getTime())) {
+	    context.addMessage(new MessageBuilder().error().source("checkinDate").defaultText(
+		    "Check in date must be a future date").build());
+	    valid = false;
+	} else if (!checkinDate.before(checkoutDate)) {
+	    context.addMessage(new MessageBuilder().error().source("checkoutDate").defaultText(
+		    "Check out date must be later than check in date").build());
+	    valid = false;
+	}
+	return valid;
+    }
+
     @Override
     public String toString() {
 	return "Booking(" + user + "," + hotel + ")";
diff --git a/spring-webflow-samples/booking-mvc/src/main/webapp/WEB-INF/hotels/booking/booking.xml b/spring-webflow-samples/booking-mvc/src/main/webapp/WEB-INF/hotels/booking/booking.xml
index 787b8821..d05a068d 100644
--- a/spring-webflow-samples/booking-mvc/src/main/webapp/WEB-INF/hotels/booking/booking.xml
+++ b/spring-webflow-samples/booking-mvc/src/main/webapp/WEB-INF/hotels/booking/booking.xml
@@ -14,7 +14,9 @@
 	</on-start>
 	
 	<view-state id="enterBookingDetails" model="booking">
-		<transition on="proceed" to="reviewBooking" />
+		<transition on="proceed" to="reviewBooking">
+			<evaluate expression="booking.validate(messageContext)"/>
+		</transition>
 		<transition on="cancel" to="cancel" bind="false" />
 	</view-state>