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https://issues.apache.org/jira/browse/DBCP-347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12925341#action_12925341
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Gary Gregory commented on DBCP-347:
-----------------------------------
Would you be willing to provide a patch that includes a unit test to prove what
is broken?
> DelegatingStatement class has incomplete isWrapperFor method
> ------------------------------------------------------------
>
> Key: DBCP-347
> URL: https://issues.apache.org/jira/browse/DBCP-347
> Project: Commons Dbcp
> Issue Type: Bug
> Environment: Windows 7. java version "1.6.0_21". Dell Latitude E6410.
> Reporter: Robert Poskrobek
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> Currently org.apache.commons.dbcp.DelegatingStatement#isWrapperFor checks
> only if:
> 1. Requested class is assignable from the DelegatingStatement instance:
> iface.isAssignableFrom(getClass())
> 2. Wrapped object is a wrapper for the requested class:
> _stmt.isWrapperFor(iface)
> I think there should be another option checked i.e. requested class is
> assignable from the wrapped object's class. For example:
> iface.isAssignableFrom(_stmt.getClass())
> This is especially that in fact unwrap method properly assumes this
> possiblity i.e.: return iface.cast(_stmt);
> The whole method should be:
> public boolean isWrapperFor(Class<?> iface) throws SQLException {
> return iface.isAssignableFrom(getClass()) ||
> iface.isAssignableFrom(_stmt.getClass()) || _stmt.isWrapperFor(iface);
> }
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