From e82dd613dba746fb8bcb8ef413d6e8fd9add759c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tobi=20Sch=C3=A4fer?= <interface@p3k.org>
Date: Mon, 17 Apr 2017 15:32:12 +0200
Subject: [PATCH] fix: null pointer exception

if argument is null in res.debug() / write() / writeln()
---
 src/helma/framework/ResponseBean.java | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/helma/framework/ResponseBean.java b/src/helma/framework/ResponseBean.java
index 0217fde9..32ab9bd9 100644
--- a/src/helma/framework/ResponseBean.java
+++ b/src/helma/framework/ResponseBean.java
@@ -204,6 +204,8 @@ public class ResponseBean implements Serializable {
      * @param str the string to write to the response buffer
      */
     public void write(String... str) {
+        if (str == null) return;
+
         for (String s : str) {
             res.write(s);
         }
@@ -215,6 +217,8 @@ public class ResponseBean implements Serializable {
      * @param str the string to write to the response buffer
      */
     public void writeln(String... str) {
+        if (str == null) return;
+
         for (String s : str) {
             res.writeln(s);
         }
@@ -242,6 +246,10 @@ public class ResponseBean implements Serializable {
      * @param message the message
      */
     public void debug(String... messages) {
+        if (messages == null) {
+          messages = new String[]{null};
+        }
+
         for (String message : messages) {
             res.debug(message);
         }