Added type check to equals()

git-svn-id: https://pmd.svn.sourceforge.net/svnroot/pmd/trunk@2049 51baf565-9d33-0410-a72c-fc3788e3496d
2003-06-30 15:15:49 +00:00
parent e5d3627fec
commit 4afb9fabd9
1 changed files with 4 additions and 2 deletions
--- 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() {