LMS-415 recursive download service for the CLI

SVN: 6100

dataset_download/source/java/ch/systemsx/cisd/openbis/datasetdownload/DatasetDownloadServlet.java

@@ -67,6 +67,8 @@ public class DatasetDownloadServlet extends HttpServlet
 
     static final String DISPLAY_MODE_KEY = "mode";
 
+    static final String BINARY_CONTENT_TYPE = "binary";
+
     private static final long serialVersionUID = 1L;
 
     protected static final Logger operationLog =
@@ -362,6 +364,7 @@ public class DatasetDownloadServlet extends HttpServlet
         response.setHeader("Content-Disposition", "inline; filename=" + file.getName());
         ServletOutputStream outputStream = null;
         FileInputStream fileInputStream = null;
+        response.setContentType(BINARY_CONTENT_TYPE);
         try
         {
             outputStream = response.getOutputStream();

dataset_download/source/java/ch/systemsx/cisd/openbis/datasetdownload/PlainTextRendererFactory.java

@@ -43,6 +43,7 @@ public class PlainTextRendererFactory implements IRendererFactory
 
                 public void printErrorMessage(String errorMessage)
                 {
+                    writer.println("Error:");
                     writer.println(errorMessage);
                 }
 
@@ -83,6 +84,7 @@ public class PlainTextRendererFactory implements IRendererFactory
 
         public void printHeader(ExternalData dataSet)
         {
+            writer.println("Directory content:");
         }
 
         public void printLinkToParentDirectory(String relativePath)