WFS exceptions not handled by plugin

[strk]

The WFS plugin doesn't seem to handle WFS exceptions thrown by ows server on getCapabilities request

[strk]

The patch (apply from within src/plugins/wfs) handles presence of an ExceptionText? tag as a sign of an exception. It is probably too wide and fails when server doesn't send that. Didn't check standard document either. All I can tell is that this patch helps when trying to connect to the WFS server exposed by Drupal WFS server... (ie: handle with care)

[mhugent]

Applied in r13935. Thanks!

[strk]

Wanted to make the check a bit smarter by only looking at the first tag rather than searching in the whole document. It should be faster when no exception is returned. Anyway, can send a new patch against trunk.

[strk]

The new patch (exception2.patch) only inspects the first node in the returned XML to tell if it's an exception or not. This makes it faster in successful cases.

Also the patch gives more information (exceptionCode) and keeps the error window title to "Error" to give better visibility to other error messages (parsing error and connection error)

[mhugent]

Applied second patch in r13956. Thanks!