Character encoding problem in WFS requests
------------------------------------------
Key: GEOS-3326
URL: http://jira.codehaus.org/browse/GEOS-3326
Project: GeoServer
Issue Type: Bug
Components: WFS
Affects Versions: 1.7.3
Environment: Windows XP Professional SP 3, locale: Poland; Java
1.6.0_13; default GEOS 1.7.3 installation (Jetty)
Reporter: Ralf Wagner
Assignee: Andrea Aime
Priority: Minor
WFS query (GetFeature, Update) containing national characters does not work
properly.
Steps to reproduce on demo GEOS data (States shapefile):
1. To enable national characters in Shapefile we should add states.cpg and set
charset in 'GeoServer Feature Data Set Configuration' for 'Feature Data Set ID'
"states_shapefile". In our case it is "Windows-1250".
2. Let's perform simple query through GeoServer Demo Request web page:
<?xml version="1.0" ?>
<wfs:GetFeature
service="WFS"
version="1.1.0"
outputFormat="text/xml; subtype=gml/3.1.1"
xmlns:myns="http://www.someserver.com/myns";
xmlns:wfs="http://www.opengis.net/wfs";
xmlns:ogc="http://www.opengis.net/ogc";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://www.opengis.net/wfs ../wfs/1.1.0/WFS.xsd">
<wfs:Query typeName="topp:states">
<wfs:PropertyName>STATE_NAME</wfs:PropertyName>
<ogc:Filter>
<ogc:GmlObjectId id="states.2"/>
</ogc:Filter>
</wfs:Query>
</wfs:GetFeature>
3. Such query returns something like that:
<wfs:FeatureCollection numberOfFeatures="1"
timeStamp="2009-08-06T10:16:05.760+02:00"
xsi:schemaLocation="http://www.openplans.org/topp
http://localhost:8080/geoserver/wfs?service=WFS&version=1.1.0&request=DescribeFeatureType&typeName=topp:states
http://www.opengis.net/wfs
http://localhost:8080/geoserver/schemas/wfs/1.1.0/wfs.xsd";>
<gml:featureMembers>
<topp:states gml:id="states.2">
<topp:STATE_NAME>District of Columbia</topp:STATE_NAME>
</topp:states>
</gml:featureMembers>
</wfs:FeatureCollection>
4. Now we can update "STATE_NAME":
<?xml version="1.0" encoding="UTF-8"?>
<wfs:Transaction xmlns:wfs="http://www.opengis.net/wfs";
xmlns:ogc="http://www.opengis.net/ogc";>
<wfs:Update typeName="topp:states">
<wfs:Property>
<wfs:Name>STATE_NAME</wfs:Name>
<wfs:Value>XYZ</wfs:Value>
</wfs:Property>
<ogc:Filter>
<ogc:GmlObjectId id="states.2"/>
</ogc:Filter>
</wfs:Update>
</wfs:Transaction>
5. We can issue request from step 2 again - as we can expect "STATE_NAME" is
set to "XYZ". Till now everything works fine.
6. Now we are updating "STATE_NAME" with national characters value:
<?xml version="1.0" encoding="UTF-8"?>
<wfs:Transaction xmlns:wfs="http://www.opengis.net/wfs";
xmlns:ogc="http://www.opengis.net/ogc";>
<wfs:Update typeName="topp:states">
<wfs:Property>
<wfs:Name>STATE_NAME</wfs:Name>
<wfs:Value>Żółwin</wfs:Value>
</wfs:Property>
<ogc:Filter>
<ogc:GmlObjectId id="states.2"/>
</ogc:Filter>
</wfs:Update>
</wfs:Transaction>
Value of "STATE_NAME" should be now "Żółwin" (three leading
characters are polish characters).
7. We can issue request from step 2 again - in our case value of "STATE_NAME"
is set to "??win". This is BUG we are struggling with!
8. Note: if we are updating "STATE_NAME" with national characters value but
encoded using numeric character references:
<?xml version="1.0" encoding="UTF-8"?>
<wfs:Transaction xmlns:wfs="http://www.opengis.net/wfs";
xmlns:ogc="http://www.opengis.net/ogc";>
<wfs:Update typeName="topp:states">
<wfs:Property>
<wfs:Name>STATE_NAME</wfs:Name>
<wfs:Value>Żółwin</wfs:Value>
</wfs:Property>
<ogc:Filter>
<ogc:GmlObjectId id="states.2"/>
</ogc:Filter>
</wfs:Update>
</wfs:Transaction>
"STATE_NAME" is properly set to "Żółwin".
9. BTW: we observed above effect using uDig - we prepared above procedure to
simplify testing.
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