# HG changeset patch
# User Jiri Vanek <jvanek@redhat.com>
# Date 1385558054 -3600
# Node ID 461eb0b77b5312ce4c4736aafe07b3e0411355c5
# Parent  719431dbd56cff70a704d4500859caa60768cca9
Added null check when getting manifest attributes for case of jar without manifest

* netx/net/sourceforge/jnlp/runtime/JNLPClassLoader.java: (getManifestAttribute) added check fo null manifest to prevent npe.

diff -r 719431dbd56c -r 461eb0b77b53 ChangeLog
--- a/ChangeLog	Thu Nov 14 10:56:29 2013 +0100
+++ b/ChangeLog	Wed Nov 27 14:14:14 2013 +0100
@@ -1,3 +1,8 @@
+2013-11-26  Jiri Vanek  <jvanek@redhat.com>
+
+	* netx/net/sourceforge/jnlp/runtime/JNLPClassLoader.java: (getManifestAttribute)
+	added check for null manifest to prevent npe.
+
 2013-11-13  Andrew Azores  <aazores@redhat.com>
 
 	* netx/net/sourceforge/jnlp/runtime/JNLPClassLoader.java: add
diff -r 719431dbd56c -r 461eb0b77b53 netx/net/sourceforge/jnlp/runtime/JNLPClassLoader.java
--- a/netx/net/sourceforge/jnlp/runtime/JNLPClassLoader.java	Thu Nov 14 10:56:29 2013 +0100
+++ b/netx/net/sourceforge/jnlp/runtime/JNLPClassLoader.java	Wed Nov 27 14:14:14 2013 +0100
@@ -927,8 +927,12 @@
             JarFile mainJar = null;
             try {
                 mainJar = new JarFile(f);
-                attributeValue = mainJar.getManifest().
-                        getMainAttributes().getValue(attribute);
+                Manifest manifest = mainJar.getManifest();
+                if (manifest == null || manifest.getMainAttributes() == null){
+                    //yes, jars without manifest exists
+                    return null;
+                }
+                attributeValue = manifest.getMainAttributes().getValue(attribute);
             } catch (IOException ioe) {
                 attributeValue = null;
             } finally {