From d33223562d1e47fd0cdf5b8eb6310fd5768a4f9c Mon Sep 17 00:00:00 2001
From: Agaricus <agaricusb@yahoo.com>
Date: Fri, 26 Apr 2013 18:03:31 -0700
Subject: [PATCH] Fix ClassCastException in tryClimb building inheritance map

The interface uses the generic Collection type but the implementation
an ArrayList. Fix by creating an ArrayList from the Collection. Resolves
this crash observed when updating MCPC+'s plugin loader:

https://gist.github.com/agaricusb/5471423
---
 src/main/java/net/md_5/specialsource/InheritanceMap.java | 4 ++--
 src/main/java/net/md_5/specialsource/JarMapping.java     | 2 +-
 2 files changed, 3 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 0dae92e..86d1d12 100644
--- a/src/main/java/net/md_5/specialsource/InheritanceMap.java
+++ b/src/main/java/net/md_5/specialsource/InheritanceMap.java
@@ -127,8 +127,8 @@ public class InheritanceMap implements InheritanceProvider {
         return inheritanceMap.get(className);
     }
 
-    public void setParents(String className, ArrayList<String> parents) {
-        inheritanceMap.put(className, parents);
+    public void setParents(String className, Collection<String> parents) {
+        inheritanceMap.put(className, new ArrayList<String>(parents));
     }
 
     public int size() {
diff --git a/src/main/java/net/md_5/specialsource/JarMapping.java b/src/main/java/net/md_5/specialsource/JarMapping.java
index b201e50..cd9d1eb 100644
--- a/src/main/java/net/md_5/specialsource/JarMapping.java
+++ b/src/main/java/net/md_5/specialsource/JarMapping.java
@@ -81,7 +81,7 @@ public class JarMapping {
                 parents = inheritanceMap.getParents(owner);
             } else if (fallbackInheritanceProvider != null) {
                 parents = fallbackInheritanceProvider.getParents(owner);
-                inheritanceMap.setParents(owner, (ArrayList<String>) parents);
+                inheritanceMap.setParents(owner, parents);
             }
 
             if (parents != null) {