From 4afb9fabd9e7580381e31018e4d89a3d75b80731 Mon Sep 17 00:00:00 2001
From: Tom Copeland <tomcopeland@users.sourceforge.net>
Date: Mon, 30 Jun 2003 15:15:49 +0000
Subject: [PATCH] Added type check to equals()

git-svn-id: https://pmd.svn.sourceforge.net/svnroot/pmd/trunk@2049 51baf565-9d33-0410-a72c-fc3788e3496d
---
 pmd/src/net/sourceforge/pmd/AbstractRule.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pmd/src/net/sourceforge/pmd/AbstractRule.java b/pmd/src/net/sourceforge/pmd/AbstractRule.java
index 1d0a083467..4d02936fc4 100644
--- a/pmd/src/net/sourceforge/pmd/AbstractRule.java
+++ b/pmd/src/net/sourceforge/pmd/AbstractRule.java
@@ -73,8 +73,10 @@ public abstract class AbstractRule extends JavaParserVisitorAdapter implements R
     }
 
     public boolean equals(Object o) {
-        Rule r = (Rule) o;
-        return r.getName().equals(getName());
+        if (!(o instanceof Rule)) {
+            return false;
+        }
+        return ((Rule)o).getName().equals(getName());
     }
 
     public int hashCode() {