Merge pull request DeemOpen#20 from divyeshtopiya/master

fix: special char is not being saved or shown, set charset=UTF-8 in a…

Author: Arjun Surendra

src/main/java/com/deem/zkui/controller/Export.java

@@ -60,7 +60,7 @@ protected void doGet(HttpServletRequest request, HttpServletResponse response) t
             for (LeafBean leaf : leaves) {
                 output.append(leaf.getPath()).append('=').append(leaf.getName()).append('=').append(ServletUtil.INSTANCE.externalizeNodeValue(leaf.getValue())).append('\n');
             }// for all leaves
-            response.setContentType("text/plain");
+            response.setContentType("text/plain;charset=UTF-8");
             try (PrintWriter out = response.getWriter()) {
                 out.write(output.toString());
             }

src/main/java/com/deem/zkui/controller/RestAccess.java

@@ -156,7 +156,7 @@ protected void doGet(HttpServletRequest request, HttpServletResponse response) t
 
             }
 
-            response.setContentType("text/plain");
+            response.setContentType("text/plain;charset=UTF-8");
             try (PrintWriter out = response.getWriter()) {
                 out.write(resultOut.toString());
             }

src/main/java/com/deem/zkui/utils/ServletUtil.java

@@ -55,7 +55,8 @@ public void renderHtml(HttpServletRequest request, HttpServletResponse response,
                 templateParam.put("authName", session.getAttribute("authName"));
                 templateParam.put("authRole", session.getAttribute("authRole"));
 
-                response.setContentType("text/html");
+                response.setContentType("text/html;charset=UTF-8");
+                
                 Template template = null;
                 long startTime = System.currentTimeMillis();
                 Configuration config = new Configuration();
@@ -74,7 +75,7 @@ public void renderError(HttpServletRequest request, HttpServletResponse response
         try {
             logger.error("Error :" + error);
             Map<String, Object> templateParam = new HashMap<>();
-            response.setContentType("text/html");
+            response.setContentType("text/html;charset=UTF-8");
             Template template = null;
             Configuration config = new Configuration();
             config.setClassForTemplateLoading(request.getServletContext().getClass(), "/");