From 708957b7eee4b2cdfd748f29782018df99b0da0a Mon Sep 17 00:00:00 2001
From: Don Leckie <donleckie@users.sourceforge.net>
Date: Sun, 26 Jan 2003 21:34:29 +0000
Subject: [PATCH] Fixed NullPointerException for interfaces.

git-svn-id: https://pmd.svn.sourceforge.net/svnroot/pmd/trunk@1374 51baf565-9d33-0410-a72c-fc3788e3496d
---
 .../pmd/rules/CyclomaticComplexityRule.java         | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/pmd/src/net/sourceforge/pmd/rules/CyclomaticComplexityRule.java b/pmd/src/net/sourceforge/pmd/rules/CyclomaticComplexityRule.java
index 9d58beaf47..fc970b6e09 100644
--- a/pmd/src/net/sourceforge/pmd/rules/CyclomaticComplexityRule.java
+++ b/pmd/src/net/sourceforge/pmd/rules/CyclomaticComplexityRule.java
@@ -6,6 +6,7 @@ import net.sourceforge.pmd.RuleViolation;
 import net.sourceforge.pmd.ast.ASTConstructorDeclaration;
 import net.sourceforge.pmd.ast.ASTForStatement;
 import net.sourceforge.pmd.ast.ASTIfStatement;
+import net.sourceforge.pmd.ast.ASTInterfaceDeclaration;
 import net.sourceforge.pmd.ast.ASTMethodDeclaration;
 import net.sourceforge.pmd.ast.ASTMethodDeclarator;
 import net.sourceforge.pmd.ast.ASTSwitchLabel;
@@ -143,6 +144,18 @@ public class CyclomaticComplexityRule extends AbstractRule
      */
     public Object visit(ASTMethodDeclaration node, Object data)
     {
+        Node parentNode = node.jjtGetParent();
+
+        while (parentNode != null)
+        {
+            if (parentNode instanceof ASTInterfaceDeclaration)
+            {
+                return data;
+            }
+
+            parentNode = parentNode.jjtGetParent();
+        }
+
         m_entryStack.push(new Entry(node));
         super.visit(node, data);
         Entry methodEntry = (Entry) m_entryStack.pop();