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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@4809 51baf565-9d33-0410-a72c-fc3788e3496d
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Sven Jacob
2006-11-17 09:08:51 +00:00
parent 7dafa8dba3
commit ea55ca45cd
1 changed files with 4 additions and 2 deletions
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6
pmd/src/net/sourceforge/pmd/dfa/pathfinder/DAAPathFinder.java
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@ -16,7 +16,7 @@ import javax.swing.tree.DefaultMutableTreeNode;
*/ */
public class DAAPathFinder { public class DAAPathFinder {
private static final int MAX_PATHS = 5000; private static final int MAX_PATHS = 5000;
private static final int MAX_PATH_LENGTH = 5000; private static final int MAX_PATH_LENGTH = 2000;
private IDataFlowNode rootNode; private IDataFlowNode rootNode;
private Executable shim; private Executable shim;
@ -198,7 +198,9 @@ public class DAAPathFinder {
return; return;
} }
DefaultMutableTreeNode parent = (DefaultMutableTreeNode) last.getParent(); DefaultMutableTreeNode parent = (DefaultMutableTreeNode) last.getParent();
parent.remove(last); if (parent != null) {
parent.remove(last);
}
last = stack.getLastLeaf(); last = stack.getLastLeaf();
if (last == null || last.getUserObject() == null) return; if (last == null || last.getUserObject() == null) return;