Add expression support for ExternalGraphic format tag
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Key: GEOT-3139
URL: http://jira.codehaus.org/browse/GEOT-3139
Project: GeoTools
Issue Type: Bug
Components: core render
Affects Versions: 2.5.8, 2.6-M0, 2.6-M1, 2.6-M2, 2.6-M3, 2.6-RC1, 2.6.0,
2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.7-M0
Reporter: Frank Gasdorf
Assignee: Andrea Aime
Fix For: 2.6.5, 2.7-M1
Dynamic ExternalGraphic href supports expressions as part of an URL like
http://myservice/${icon} where icon is a attribute of a FeatureType (Attribute
value would be myimage.png).
But if there is a complete URL stored as an attribute value a
MalformedURLException will be thrown for a SLD looking like that:
<ExternalGraphic>
<OnlineResource xlink:type="simple" xlink:href="${attributeImageURL}"/>
<Format>image/png</Format>
</ExternalGraphic>
It is not possible to read fromat from feature attribute like:
<ExternalGraphic>
<OnlineResource xlink:type="simple"
xlink:href="http://myservice/${attributeImageURL}"/>
<Format>${attributeImageFormat}</Format>
</ExternalGraphic>
Please have a look at the patch for the test cases.
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