/**
* Build the resource map from the KML Model's <i>ResourceMap</i> element.
*
* @param model Model from which to create the resource map.
*
* @return Map that relates relative paths in the COLLADA document to paths relative to the KML document.
*/
protected Map <String, String> createResourceMap(KMLModel model)
{
Map <String, String> map = new HashMap <String, String>();
KMLResourceMap resourceMap = model.getResourceMap();
if (resourceMap == null)
{
return(Collections.emptyMap());
}
foreach (KMLAlias alias in resourceMap.getAliases())
{
if (alias != null && !WWUtil.isEmpty(alias.getSourceRef()) && !WWUtil.isEmpty(alias.getTargetHref()))
{
map.put(alias.getSourceRef(), alias.getTargetHref());
}
}
return(map.size() > 0 ? map : Collections.< String, String > emptyMap());
}