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NIHVIVO-2279 Insure that a UserAccount has a unique URI.

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This commit is contained in:
j2blake 2011-06-09 20:38:16 +00:00
parent bffa48ed6b
commit 8f995412dd
1 changed files with 6 additions and 3 deletions
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9
webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/UserAccountsDaoJena.java
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@ -358,9 +358,8 @@ public class UserAccountsDaoJena extends JenaBaseDao implements UserAccountsDao
Random random = new Random(System.currentTimeMillis());
for (int attempts = 0; attempts < 30; attempts++) {
int upperBound = (int) Math.pow(2, attempts + 13);
uri = namespace + ("n" + random.nextInt(upperBound));
errMsg = getWebappDaoFactory().checkURI(uri);
if (errMsg == null) {
uri = namespace + ("u" + random.nextInt(upperBound));
if (!isUriUsed(uri)) {
return uri;
}
}
@ -369,6 +368,10 @@ public class UserAccountsDaoJena extends JenaBaseDao implements UserAccountsDao
+ errMsg);
}
private boolean isUriUsed(String uri) {
return (getOntModel().getOntResource(uri) != null);
}
/**
* Since there is no reasoner on the UserAccountModel, this will return a
* false negative for a subtype of the specified type.