fix #2460 replace with ZonedDateTime

src/main/java/org/codelibs/fess/taglib/FessFunctions.java

@@ -26,6 +26,7 @@ import java.text.DecimalFormat;
 import java.text.NumberFormat;
 import java.text.SimpleDateFormat;
 import java.time.LocalDateTime;
+import java.time.ZonedDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.Base64;
@@ -164,6 +165,13 @@ public class FessFunctions {
         return date.format(DateTimeFormatter.ofPattern(Constants.ISO_DATETIME_FORMAT, Locale.ROOT));
     }
 
+    public static String formatDate(final ZonedDateTime date, final String format) {
+        if (date == null) {
+            return StringUtil.EMPTY;
+        }
+        return date.format(DateTimeFormatter.ofPattern(format, Locale.ROOT));
+    }
+
     public static String formatDuration(final long durationMillis) {
         return DurationFormatUtils.formatDuration(durationMillis, "d 'days' HH:mm:ss.SSS").replace("0 days", StringUtil.EMPTY).trim();
 

src/main/webapp/WEB-INF/fe.tld

@@ -83,6 +83,18 @@
     </example>
   </function>
 
+  <function>
+    <description>
+      Returns formatted date from a given value.
+    </description>
+    <name>formatDate</name>
+    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>
+    <function-signature>java.lang.String formatDate(java.time.ZonedDateTime, java.lang.String)</function-signature>
+    <example>
+      ${fe:formatDate(d, 'yyyy')}
+    </example>
+  </function>
+
   <function>
     <description>
       Returns formatted number as a file size from a given value.

src/main/webapp/WEB-INF/view/admin/storage/admin_storage.jsp

@@ -178,7 +178,7 @@
                                                             ${f:h(data.name)}
                                                     </td>
                                                     <td>${f:h(data.size)}</td>
-                                                    <td><fmt:formatDate value="${data.lastModified}" type="BOTH" pattern="yyyy-MM-dd HH:mm:ss" /></td>
+                                                    <td>${fe:formatDate(data.lastModified, 'yyyy-MM-dd HH:mm:ss')}</td>
                                                 </c:if>
                                                 <c:if test="${data.directory.booleanValue()}">
                                                 <tr data-href="${contextPath}/admin/storage/list/${f:h(data.id)}/">