T - The type of object this renderer renderspublic abstract class RendererSupport<T> extends Object implements Renderer<T>
Renderer super class that provides a getType() implementation based on the generic type of the impl.
Implementations need only to declare the type they render as the value for type variable T and implement render(ratpack.handling.Context, Object).
import ratpack.handling.Context;
import ratpack.render.RendererSupport;
// A type of thing to be rendered
public class Thing {
private final String name;
public Thing(String name) {
this.name = name;
}
public String getName() {
return this.name;
}
}
// Renderer implementation
public class ThingRenderer extends RendererSupport<Thing> {
public void render(Context context, Thing thing) {
context.render("Thing: " + thing.getName());
}
}
| Modifier | Constructor and Description |
|---|---|
protected |
RendererSupport()
Constructor.
|
protected |
RendererSupport(Class<?> type)
Constructor.
|
protected RendererSupport()
Determines the value for getType() by reflecting for T
protected RendererSupport(Class<?> type)
Only necessary for abstract implementations that propagate the generic type T.
Almost all implementations should use the RendererSupport() default constructor}.
type - the most specialised parent type of this that does not have a concrete type for Tpublic Class<T> getType()
T).public abstract void render(Context context, T object) throws Exception
Calling this method will finalize the processing, sending the response to the client.
Any errors that occur during rendering will be sent to Context.error(Exception).