in tiles-request-api/src/main/java/org/apache/tiles/request/render/BasicRendererFactory.java [52:64]
public Renderer getRenderer(String name) {
Renderer retValue;
if (name != null) {
retValue = renderers.get(name);
if (retValue == null) {
throw new NoSuchRendererException("Cannot find a renderer named '" + name + "'");
}
} else {
retValue = defaultRenderer;
}
return retValue;
}