Include Last-Modified header in the response

mojohaus · Aug 16, 2022 · c3644f0 · c3644f0
1 parent 6685052
commit c3644f0
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/mrm-servlet/src/main/java/org/codehaus/mojo/mrm/servlet/FileSystemServlet.java b/mrm-servlet/src/main/java/org/codehaus/mojo/mrm/servlet/FileSystemServlet.java
@@ -25,6 +25,11 @@
 import java.net.InetAddress;
 import java.net.UnknownHostException;
 import java.text.SimpleDateFormat;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.time.ZoneOffset;
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
 import java.util.Collections;
 import java.util.Date;
 
@@ -159,6 +164,10 @@ protected void doGet( HttpServletRequest req, HttpServletResponse resp )
             }
             resp.setContentType( getServletContext().getMimeType( fileEntry.getName() ) );
 
+            LocalDateTime lastModifiedDate = LocalDateTime.ofEpochSecond( fileEntry.getLastModified() / 1000, (int)(fileEntry.getLastModified() % 1000), ZoneOffset.UTC );
+            String formattedLastModifiedDate = lastModifiedDate.atZone( ZoneId.of("UTC") ).format( DateTimeFormatter.RFC_1123_DATE_TIME );
+            resp.addHeader( "Last-Modified",  formattedLastModifiedDate);
+
             try (InputStream source = fileEntry.getInputStream())
             {
                 IOUtils.copy( source, resp.getOutputStream() );