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Fixed 1597987: NPE in new DaaRule

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git-svn-id: https://pmd.svn.sourceforge.net/svnroot/pmd/trunk@4805 51baf565-9d33-0410-a72c-fc3788e3496d
This commit is contained in:
Sven Jacob
2006-11-16 22:27:25 +00:00
parent 2462c9637b
commit 110797a22e
1 changed files with 8 additions and 6 deletions
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14
pmd/src/net/sourceforge/pmd/dfa/pathfinder/DAAPathFinder.java
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@ -290,12 +290,14 @@ public class DAAPathFinder {
private int countLoops() { private int countLoops() {
DefaultMutableTreeNode treeNode = stack.getLastLeaf(); DefaultMutableTreeNode treeNode = stack.getLastLeaf();
int counter = 0; int counter = 0;
int childCount = treeNode.getParent().getChildCount(); if (treeNode.getParent() != null) {
for (int i = 0; i < childCount; i++) { int childCount = treeNode.getParent().getChildCount();
DefaultMutableTreeNode tNode = (DefaultMutableTreeNode) treeNode.getParent().getChildAt(i); for (int i = 0; i < childCount; i++) {
PathElement e = (PathElement) tNode.getUserObject(); DefaultMutableTreeNode tNode = (DefaultMutableTreeNode) treeNode.getParent().getChildAt(i);
if (e != null && !e.isPseudoPathElement()) { PathElement e = (PathElement) tNode.getUserObject();
counter++; if (e != null && !e.isPseudoPathElement()) {
counter++;
}
} }
} }
return counter; return counter;