TUSCANY-3742: Fix time comparison for If-Modified-Since and If-Unmodified-Since

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1025776 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 11 insertions, 3 deletions

diff --git a/sca-java-1.x/branches/sca-java-1.6.1/modules/binding-atom-abdera/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingListenerServlet.java b/sca-java-1.x/branches/sca-java-1.6.1/modules/binding-atom-abdera/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingListenerServlet.java
index 5ba07f5e22..3975fe1220 100644
--- a/sca-java-1.x/branches/sca-java-1.6.1/modules/binding-atom-abdera/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingListenerServlet.java
+++ b/sca-java-1.x/branches/sca-java-1.6.1/modules/binding-atom-abdera/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomBindingListenerServlet.java
@@ -278,7 +278,7 @@ class AtomBindingListenerServlet extends HttpServlet {
                     if ( predicate != null ) {
                         try {
                             Date predicateDate = dateFormat.parse( predicate ); 
-                            if ( predicateDate.compareTo( feedUpdated ) < 0 ) {
+                            if ( predicateDate.compareTo( exactSeconds(feedUpdated) ) < 0 ) {
                                 // Match, should short circuit
                                 response.sendError(HttpServletResponse.SC_NOT_MODIFIED);
                                 return;
@@ -291,7 +291,7 @@ class AtomBindingListenerServlet extends HttpServlet {
                     if ( predicate != null ) {
                         try {
                             Date predicateDate = dateFormat.parse( predicate ); 
-                            if ( predicateDate.compareTo( feedUpdated ) > 0 ) {
+                            if ( predicateDate.compareTo( exactSeconds(feedUpdated) ) >= 0 ) {
                                 // Match, should short circuit
                                 response.sendError(HttpServletResponse.SC_NOT_MODIFIED);
                                 return;
@@ -910,5 +910,13 @@ class AtomBindingListenerServlet extends HttpServlet {
         }
     }
 
-    
+    /**
+     * Round a date down to an exact number of seconds
+     * @param date with millisecond precision
+     * @return date rounded down to nearest second
+     */
+    private Date exactSeconds(Date date) {
+        return new Date(date.getTime() / 1000 * 1000);
+    }
+
 }