Errors when multiple LEGEND_OPTIONS parameters are supplied
-----------------------------------------------------------

                 Key: GEOS-4074
                 URL: http://jira.codehaus.org/browse/GEOS-4074
             Project: GeoServer
          Issue Type: Bug
          Components: WMS
    Affects Versions: 2.0.x
         Environment: Linux ubuntu 32bit & WindowsXP
            Reporter: Ivan Grcic
            Assignee: Andrea Aime
         Attachments: LEGEND_OPTIONS_ClassCastException.txt

If we suply more then one value (comma separated) for LEGEND_OPTION parameter, 
strange things happen.

It depends on the order of the values. As i need foreLabels and fontSize 
options, I tested these requests:

http://localhost:8080/geoserver/wms?REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=200&HEIGHT=200&LAYER=topp:states&legend_options=forceLabels:off,fontSize:40
==
No error is thrown, but forceLabels:off isnt applied


http://localhost:8080/geoserver/wms?REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=200&HEIGHT=200&LAYER=topp:states&legend_options=fontSize:40,forceLabels:ff
==
Results: (log in attachment)
<?xml version="1.0" encoding="UTF-8" standalone="no"?><!DOCTYPE 
ServiceExceptionReport SYSTEM 
"http://localhost:8080/geoserver/schemas/wms/1.1.1/WMS_exception_1_1_1.dtd";> 
<ServiceExceptionReport version="1.1.1" >   <ServiceException>
      java.lang.ClassCastException: java.util.ArrayList cannot be cast to 
java.lang.String
java.util.ArrayList cannot be cast to java.lang.String
</ServiceException></ServiceExceptionReport>


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