Fixes #1392

modules/cpr/src/main/java/org/atmosphere/interceptor/OldBrowserPaddingInterceptor.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2013 Jeanfrancois Arcand
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.atmosphere.interceptor;
+
+/**
+ * Old 8k Padding interceptor for Browser that needs whitespace when streaming is used.
+ *
+ * @author Jeanfrancois Arcand
+ */
+public class OldBrowserPaddingInterceptor extends PaddingAtmosphereInterceptor {
+
+    public OldBrowserPaddingInterceptor() {
+        super(8192);
+    }
+
+}

modules/cpr/src/main/java/org/atmosphere/interceptor/PaddingAtmosphereInterceptor.java

@@ -44,17 +44,26 @@ public class PaddingAtmosphereInterceptor extends AtmosphereInterceptorAdapter {
 
     private static final Logger logger = LoggerFactory.getLogger(PaddingAtmosphereInterceptor.class);
 
-    private static final byte[] padding;
-    private static final String paddingText;
+    private final byte[] padding;
+    private final String paddingText;
 
-    static {
+    public PaddingAtmosphereInterceptor(){
+        paddingText = confPadding(1024);
+        padding = paddingText.getBytes();
+    }
+
+    public PaddingAtmosphereInterceptor(int size){
+        paddingText = confPadding(size);
+        padding = paddingText.getBytes();
+    }
+
+    protected final static String confPadding(int size) {
         StringBuilder whitespace = new StringBuilder();
-        for (int i = 0; i < 8192; i++) {
+        for (int i = 0; i < size; i++) {
             whitespace.append(" ");
         }
         whitespace.append("\n");
-        paddingText = whitespace.toString();
-        padding = paddingText.getBytes();
+        return whitespace.toString();
     }
 
     private void writePadding(AtmosphereResponse response) {