Author: fschumacher
Date: Fri Aug 10 10:00:18 2018
New Revision: 1837786

URL: http://svn.apache.org/viewvc?rev=1837786&view=rev
Log:
Use short circuit logic to prevent potential NPE in CorsFilter.

The same logic is used a few lines below, so it was most probably
intended that way anyways. 

Modified:
    tomcat/trunk/java/org/apache/catalina/filters/CorsFilter.java
    tomcat/trunk/webapps/docs/changelog.xml

Modified: tomcat/trunk/java/org/apache/catalina/filters/CorsFilter.java
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/filters/CorsFilter.java?rev=1837786&r1=1837785&r2=1837786&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/filters/CorsFilter.java (original)
+++ tomcat/trunk/java/org/apache/catalina/filters/CorsFilter.java Fri Aug 10 
10:00:18 2018
@@ -453,7 +453,7 @@ public class CorsFilter extends GenericF
                         String.valueOf(preflightMaxAge));
             }
 
-            if  ((allowedHttpMethods != null & !allowedHttpMethods.isEmpty())) 
{
+            if  ((allowedHttpMethods != null) && 
(!allowedHttpMethods.isEmpty())) {
                 response.addHeader(
                         
CorsFilter.RESPONSE_HEADER_ACCESS_CONTROL_ALLOW_METHODS,
                         join(allowedHttpMethods, ","));

Modified: tomcat/trunk/webapps/docs/changelog.xml
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/changelog.xml?rev=1837786&r1=1837785&r2=1837786&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/trunk/webapps/docs/changelog.xml Fri Aug 10 10:00:18 2018
@@ -103,6 +103,9 @@
         <bug>62607</bug>: Return a non-zero exit code from
         <code>catalina.[bat|sh] run</code> if Tomcat fails to start. (markt)
       </add>
+      <fix>
+        Use short circuit logic to prevent potential NPE in CorsFilter. 
(fschumacher)
+      </fix>
     </changelog>
   </subsection>
   <subsection name="Coyote">



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