Index: /Users/chungonn/development/projects/Xstream-trunk/src/test/com/thoughtworks/acceptance/annotations/AnnotationOmitFieldTest.java
===================================================================
--- /Users/chungonn/development/projects/Xstream-trunk/src/test/com/thoughtworks/acceptance/annotations/AnnotationOmitFieldTest.java	(revision 0)
+++ /Users/chungonn/development/projects/Xstream-trunk/src/test/com/thoughtworks/acceptance/annotations/AnnotationOmitFieldTest.java	(revision 0)
@@ -0,0 +1,42 @@
+ package com.thoughtworks.acceptance.annotations;
+
+import com.thoughtworks.acceptance.AbstractAcceptanceTest;
+import com.thoughtworks.xstream.annotations.Annotations;
+import com.thoughtworks.xstream.annotations.XStreamAlias;
+import com.thoughtworks.xstream.annotations.XStreamOmitField;
+
+/**
+ * Simple tests for OmitField annotations
+ * 
+ * @author Chung-Onn Cheong
+ * 
+ */
+public class AnnotationOmitFieldTest extends AbstractAcceptanceTest {
+    
+    public static class House {
+        
+        @XStreamOmitField
+        int size;
+        
+    	@XStreamAlias("total-number-of-rooms")
+    	private int rooms;
+		protected House(int rooms) {
+			this.rooms = rooms;
+		}
+    	
+        public int getRooms() {
+			return rooms;
+		}
+    }
+    
+	public void testOmitFieldAnnotation()  {
+        Annotations.configureAliases(xstream, House.class);
+        House house = new House(5);
+        String expectedXml = 
+                "<com.thoughtworks.acceptance.annotations.AnnotationOmitFieldTest_-House>\n"+
+                "  <total-number-of-rooms>5</total-number-of-rooms>\n" +
+                "</com.thoughtworks.acceptance.annotations.AnnotationOmitFieldTest_-House>";
+       
+        assertBothWays(house, expectedXml);
+    }
+}
Index: /Users/chungonn/development/projects/Xstream-trunk/src/java/com/thoughtworks/xstream/annotations/XStreamOmitField.java
===================================================================
--- /Users/chungonn/development/projects/Xstream-trunk/src/java/com/thoughtworks/xstream/annotations/XStreamOmitField.java	(revision 0)
+++ /Users/chungonn/development/projects/Xstream-trunk/src/java/com/thoughtworks/xstream/annotations/XStreamOmitField.java	(revision 0)
@@ -0,0 +1,21 @@
+package com.thoughtworks.xstream.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * An annotation for marking a field as an implicit collection.
+ *
+ * @author Chung-Onn Cheong
+ * 
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.FIELD)
+public @interface XStreamOmitField {
+    /**
+     * Field to be omitted
+     */
+    String itemFieldName() default "";
+}
Index: /Users/chungonn/development/projects/Xstream-trunk/src/java/com/thoughtworks/xstream/annotations/Annotations.java
===================================================================
--- /Users/chungonn/development/projects/Xstream-trunk/src/java/com/thoughtworks/xstream/annotations/Annotations.java	(revision 1125)
+++ /Users/chungonn/development/projects/Xstream-trunk/src/java/com/thoughtworks/xstream/annotations/Annotations.java	(working copy)
@@ -161,6 +161,12 @@
                     xstream.addImplicitCollection(configurableClass, fieldName, itemType);                    
                 }
             }
+            
+           //Do field level OmitField
+           if (field.isAnnotationPresent(XStreamOmitField.class)){
+               String fieldName = field.getName();
+               xstream.omitField(configurableClass, fieldName);
+           }
         }
 
         //Do Member Classes Alias