SP-508, BIS-158: Add "Cache-Control: no-cache" to response header instead of...

SP-508, BIS-158: Add "Cache-Control: no-cache" to response header instead of adding a timestamp parameter

SVN: 28386

openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/attachment/AttachmentDownloadHelper.java

@@ -48,7 +48,6 @@ public class AttachmentDownloadHelper
         // NOTE: this exp.getId() could be null if exp is a proxy
         methodWithParameters.addParameter(GenericConstants.TECH_ID_PARAMETER,
                 attachmentHolder.getId());
-        methodWithParameters.addParameter("timestamp", System.currentTimeMillis());
         return methodWithParameters.toString();
     }
 }

openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/server/AbstractFileDownloadServlet.java

@@ -37,7 +37,6 @@ abstract public class AbstractFileDownloadServlet extends AbstractServlet
     abstract protected FileContent getFileContent(final HttpServletRequest request)
             throws Exception;
 
-
     @Override
     protected void respondToRequest(final HttpServletRequest request,
             final HttpServletResponse response) throws Exception, IOException
@@ -46,8 +45,9 @@ abstract public class AbstractFileDownloadServlet extends AbstractServlet
         if (fileContent != null)
         {
             response.setContentLength(fileContent.getContent().length);
-            response.setHeader("Content-Disposition", "attachment; filename=\""
-                    + fileContent.getFileName() + "\"");
+            response.setHeader("Content-Disposition",
+                    "attachment; filename=\"" + fileContent.getFileName() + "\"");
+            response.setHeader("Cache-Control", "no-cache");
             final ServletOutputStream outputStream = response.getOutputStream();
             outputStream.write(fileContent.getContent());
             outputStream.flush();