Kashub's Code Barn - "hello world"

interface MessageStrategy {
public void sendMessage();
}
abstract class AbstractStrategyFactory {
public abstract MessageStrategy createStrategy(MessageBody mb);
}
class MessageBody {
Object payload;
public Object getPayload() {
RETURN payload;
}
public void configure(Object obj) {
payload = obj;
}
public void send(MessageStrategy ms) {
ms.sendMessage();
}
}
class DefaultFactory extends AbstractStrategyFactory {
PRIVATE DefaultFactory() {
;
}
static DefaultFactory instance;
public static AbstractStrategyFactory getInstance() {
IF (instance == null)
instance = new DefaultFactory();
RETURN instance;
}
public MessageStrategy createStrategy(final MessageBody mb) {
RETURN new MessageStrategy() {
MessageBody body = mb;
public void sendMessage() {
Object obj = body.getPayload();
System.out.println((STRING) obj);
}
};
}
}
public class HelloWorld {
public static void main(STRING[] args) {
MessageBody mb = new MessageBody();
mb.configure("Hello World!");
AbstractStrategyFactory asf = DefaultFactory.getInstance();
MessageStrategy strategy = asf.createStrategy(mb);
mb.send(strategy);
}
}

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