HTML 5 player video function

fix #219

src/main/java/com/openkm/servlet/PreviewServlet.java

@@ -199,45 +199,19 @@ private void buildUrl(PreviewParams params, Document doc) throws DatabaseExcepti
 	/**
 	 * Get PDF preview. Look into profile to get configured preview
 	 */
-	private void pdfPreview(PreviewParams params) throws ServletException, IOException, AccessDeniedException,
-			PathNotFoundException, DatabaseException, PrincipalAdapterException {
-		String selectedPreview = getDesiredPreview(params);
-
-		if (PREVIEWER_PDFJS.equals(selectedPreview)) {
-			pdfjs(params);
-		} else {
-			flexpaper(params);
-		}
+	private void pdfPreview(PreviewParams params) throws IOException, PrincipalAdapterException {
+		pdfjs(params);
 	}
 
 	/**
 	 * Show PDF.js preview
 	 */
 	private void pdfjs(PreviewParams params) throws IOException {
 		String contextPath = params.request.getContextPath();
-		String url = contextPath + "/preview/pdfjs/index.jsp?pdfUrl="+URLEncoder.encode(params.pdfUrl, "UTF-8");
+		String url = contextPath + "/preview/pdfjs/index.jsp?pdfUrl=" + URLEncoder.encode(params.pdfUrl, "UTF-8");
 		params.response.sendRedirect(url);
 	}
 
-	/**
-	 * Get desired preview
-	 */
-	private String getDesiredPreview(PreviewParams params) throws PrincipalAdapterException {
-		Profile profile = OKMAuth.getInstance().getUserProfile(null, PrincipalUtils.getUser());
-		String desiredPreview = PREVIEWER_PDFJS;
-
-		// previewEngine should have priority over the other options
-		if (params.previewEngine != null && !params.previewEngine.isEmpty() && (PREVIEWER_PDFJS.equals(params.previewEngine))) {
-			// Only use if there is a valid preview engine as parameter
-			desiredPreview = params.previewEngine;
-		} else if (profile != null) {
-			// The first option is to use profile previewer
-			desiredPreview = profile.getPrfMisc().getPreviewer();
-		}
-
-		return desiredPreview;
-	}
-
 	/**
 	 * Show html preview
 	 */