public static Rasterizer getRasterizer(Configuration job) {
try {
Class<? extends Rasterizer> rasterizerClass =
job.getClass(RasterizerClass, null, Rasterizer.class);
if (rasterizerClass == null) throw new RuntimeException("Rasterizer class not set in job");
Rasterizer rasterizer = rasterizerClass.newInstance();
rasterizer.configure(job);
return rasterizer;
} catch (InstantiationException e) {
throw new RuntimeException("Error creating rasterizer", e);
} catch (IllegalAccessException e) {
throw new RuntimeException("Error constructing rasterizer", e);
}
}
