From 29104f24d21457dee47fc9249617cdae0936e8e6 Mon Sep 17 00:00:00 2001
From: Agaricus <agaricusb@yahoo.com>
Date: Fri, 26 Apr 2013 18:44:06 -0700
Subject: [PATCH] Fix null superclass in inheritance map

Object has no superclass, so don't add it to the list.
Also allow InheritanceMap setParents null as a shorthand for none.
---
 src/main/java/net/md_5/specialsource/InheritanceMap.java    | 6 +++++-
 .../md_5/specialsource/provider/ClassLoaderProvider.java    | 4 +++-
 .../java/net/md_5/specialsource/provider/JarProvider.java   | 4 +++-
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/main/java/net/md_5/specialsource/InheritanceMap.java b/src/main/java/net/md_5/specialsource/InheritanceMap.java
index 86d1d12..139d62f 100644
--- a/src/main/java/net/md_5/specialsource/InheritanceMap.java
+++ b/src/main/java/net/md_5/specialsource/InheritanceMap.java
@@ -128,7 +128,11 @@ public class InheritanceMap implements InheritanceProvider {
     }
 
     public void setParents(String className, Collection<String> parents) {
-        inheritanceMap.put(className, new ArrayList<String>(parents));
+        if (parents == null) {
+            inheritanceMap.put(className, new ArrayList<String>());
+        } else {
+            inheritanceMap.put(className, new ArrayList<String>(parents));
+        }
     }
 
     public int size() {
diff --git a/src/main/java/net/md_5/specialsource/provider/ClassLoaderProvider.java b/src/main/java/net/md_5/specialsource/provider/ClassLoaderProvider.java
index 9a82e82..e1fc1b3 100644
--- a/src/main/java/net/md_5/specialsource/provider/ClassLoaderProvider.java
+++ b/src/main/java/net/md_5/specialsource/provider/ClassLoaderProvider.java
@@ -65,7 +65,9 @@ public class ClassLoaderProvider implements InheritanceProvider {
             for (String iface : (List<String>) node.interfaces) {
                 parents.add(iface);
             }
-            parents.add(node.superName);
+            if (node.superName != null) {
+                parents.add(node.superName);
+            }
 
             return parents;
         } catch (IOException ex) {
diff --git a/src/main/java/net/md_5/specialsource/provider/JarProvider.java b/src/main/java/net/md_5/specialsource/provider/JarProvider.java
index 28dddd6..d2d73ab 100644
--- a/src/main/java/net/md_5/specialsource/provider/JarProvider.java
+++ b/src/main/java/net/md_5/specialsource/provider/JarProvider.java
@@ -58,7 +58,9 @@ public class JarProvider implements InheritanceProvider {
         for (String iface : (List<String>) node.interfaces) {
             parents.add(iface);
         }
-        parents.add(node.superName);
+        if (node.superName != null) {
+            parents.add(node.superName);
+        }
 
         return parents;
     }