From 3a89139105efcdc7e49646b27e56fa02ad94bb39 Mon Sep 17 00:00:00 2001
From: jensp <jensp@8810af33-2d31-482b-a856-94f89814c4df>
Date: Thu, 30 May 2019 08:56:13 +0000
Subject: [PATCH] Freemarker Date Handling improved

git-svn-id: https://svn.libreccm.org/ccm/trunk@6092 8810af33-2d31-482b-a856-94f89814c4df
---
 .../FreeMarkerPresentationManager.java        | 44 +++++++++++++++++--
 1 file changed, 40 insertions(+), 4 deletions(-)

diff --git a/ccm-themedirector/src/org/libreccm/theming/FreeMarkerPresentationManager.java b/ccm-themedirector/src/org/libreccm/theming/FreeMarkerPresentationManager.java
index 77c9f5c9c..d2317635a 100644
--- a/ccm-themedirector/src/org/libreccm/theming/FreeMarkerPresentationManager.java
+++ b/ccm-themedirector/src/org/libreccm/theming/FreeMarkerPresentationManager.java
@@ -498,10 +498,10 @@ public class FreeMarkerPresentationManager implements PresentationManager {
                                .get(2))
                 .getAsNumber()
                 .intValue();
-            final int dayOfMonth = ((TemplateNumberModel) list
-                                    .get(3))
-                .getAsNumber()
-                .intValue();
+            final int dayOfMonth = fixDayOfMonth(
+                ((TemplateNumberModel) list.get(3)).getAsNumber().intValue(),
+                month,
+                year);
             final int hour = ((TemplateNumberModel) list
                               .get(4))
                 .getAsNumber()
@@ -530,6 +530,42 @@ public class FreeMarkerPresentationManager implements PresentationManager {
             return formatter.format(localDateTime);
         }
 
+        private int fixDayOfMonth(final int dayOfMonth,
+                                  final int month,
+                                  final int year) {
+
+            // Febrary is the most complex
+            if (month == 2) {
+                if (year % 4 == 0 && year % 400 == 0) {
+                    if (dayOfMonth > 29) {
+                        return 29;
+                    } else {
+                        return dayOfMonth;
+                    }
+                } else if (year % 4 == 0 && year % 100 != 0) {
+                    if (dayOfMonth > 29) {
+                        return 29;
+                    } else {
+                        return dayOfMonth;
+                    }
+                } else {
+                    if (dayOfMonth > 28) {
+                        return 28;
+                    } else {
+                        return dayOfMonth;
+                    }
+                }
+            } else if (month == 4 || month == 6 || month == 9 || month == 11) {
+                if (dayOfMonth > 30) {
+                    return 30;
+                } else {
+                    return dayOfMonth;
+                }
+            } else {
+                return dayOfMonth;
+            }
+        }
+
         private Optional<String> findFormat(
             final List<DateFormat> dateFormats,
             final String style,