From 4c351266ad80ec8dca4b9c2fb37cc646db3f557c Mon Sep 17 00:00:00 2001
From: Peter Donald <donaldp@apache.org>
Date: Sat, 6 Apr 2002 04:26:54 +0000
Subject: [PATCH] Avoid null pointer by checking to make sure extension is
 non-null before adding it to manifest

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@272252 13f79535-47bb-0310-9956-ffa450edef68
---
 .../org/apache/antlib/extensions/JarLibManifestTask.java     | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/proposal/myrmidon/src/java/org/apache/antlib/extensions/JarLibManifestTask.java b/proposal/myrmidon/src/java/org/apache/antlib/extensions/JarLibManifestTask.java
index da9311369..728e24ae1 100644
--- a/proposal/myrmidon/src/java/org/apache/antlib/extensions/JarLibManifestTask.java
+++ b/proposal/myrmidon/src/java/org/apache/antlib/extensions/JarLibManifestTask.java
@@ -184,7 +184,10 @@ public final class JarLibManifestTask
 
         appendExtraAttributes( attributes );
 
-        Extension.addExtension( m_extension, attributes );
+        if( null != m_extension )
+        {
+            Extension.addExtension( m_extension, attributes );
+        }
 
         //Add all the dependency data to manifest for dependencies
         final ArrayList depends = toExtensions( m_dependencies );