[jsword-devel] [JIRA] Commented: (JS-170) GenBookBackend.contains(key) throws NPE if key not found
DM Smith (JIRA)
jira at crosswire.org
Mon Mar 7 06:54:33 MST 2011
[ http://www.crosswire.org/bugs/browse/JS-170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14073#comment-14073 ]
DM Smith commented on JS-170:
-----------------------------
I just checked in a fix for this. Let me know if it works for you.
> GenBookBackend.contains(key) throws NPE if key not found
> --------------------------------------------------------
>
> Key: JS-170
> URL: http://www.crosswire.org/bugs/browse/JS-170
> Project: JSword
> Issue Type: Bug
> Components: o.c.jsword.book.sword
> Affects Versions: 1.6
> Environment: All
> Reporter: Martin Denham
> Assignee: DM Smith
>
> I think there is a bug in GenBookBackend.contains(Key).
> The find method will return null if the key is not in the book
> TreeNode node = find(key);
> which means the next line will throw a NullPointerException
> byte[] userData = node.getUserData();
> Here is the whole method:
> @Override
> public boolean contains(Key key) {
> checkActive();
> try {
> DataPolice.setKey(key);
> TreeNode node = find(key);
> byte[] userData = node.getUserData();
> // Some entries may be empty.
> return userData.length == 8;
> } catch (IOException e) {
> return false;
> } finally {
> DataPolice.setKey(null);
> }
> }
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