fix legacy getHeaderCookies to work with cookies from original

HttpServletRequest, by moving to RequestHeader.

source/net/yacy/cora/protocol/HeaderFramework.java

@@ -744,25 +744,6 @@ public class HeaderFramework extends TreeMap<String, String> implements Map<Stri
         setCookie( name,  value,  null,  null,  null, false);
     }
 
-    /**
-     * Gets the header entry "Cookie"
-     * 
-     * @return String with cookies separated by ';'
-     */
-    public String getHeaderCookies(){
-        final Iterator<Map.Entry<String, String>> it = entrySet().iterator();
-        while(it.hasNext())
-        {
-            final Map.Entry<String, String> e = it.next();
-            //System.out.println(""+e.getKey()+" : "+e.getValue());
-            if(e.getKey().equals("Cookie"))
-            {
-                return e.getValue();
-            }
-        }
-        return "";
-    }
-
     public Vector<Entry> getAdditionalHeaderProperties() {
         return this.headerProps;
     }

source/net/yacy/cora/protocol/RequestHeader.java

@@ -146,6 +146,21 @@ public class RequestHeader extends HeaderFramework implements HttpServletRequest
         return false;
     }
 
+    /**
+     * Gets the header entry "Cookie" as on string containing all cookies
+     *
+     * @return String with cookies separated by ';'
+     * @see getCookies()
+     */
+    public String getHeaderCookies() { // TODO: harmonize with standard getCookies
+        String cookiestring = this.get(COOKIE); // get from legacy or HttpServletRequest
+        if (cookiestring == null) {
+            return "";
+        } else {
+            return cookiestring;
+        }
+    }
+
     // implementation of HttpServletRequest procedures
     // the general approach is to prefer values in the YaCy legacy RequestHeader.map and if no value exists
     // to use the httpservletrequest. This approach is used, because legacy requestheader allows to add or