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package org.glassfish.jersey.examples.aggregator;
import java.util.Random;
import java.util.concurrent.Executors;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.Response;
import org.glassfish.jersey.moxy.json.MoxyJsonFeature;
/**
* Fake message aggregator used for testing purposes.
*
* @author Marek Potociar (marek.potociar at oracle.com)
* @author Adam Lindenthal (adam.lindenthal at oracle.com)
*/
public abstract class AbstractTestAggregator implements DataAggregator {
private static final Logger LOGGER = Logger.getLogger(AbstractTestAggregator.class.getName());
private static final String[] MESSAGES = new String[] {
"Where do your RESTful Web Services want to go today?",
"Jersey RESTful Web Services framework rocks!",
"Jersey and JAX-RS are cool!",
"What are the 5 insane but true things about JAX-RS?",
"Wow, JAX-RS 2.0 provides asynchronous service and client APIs!",
"Finally! JAX-RS 2.0 adds filters and interceptors support.",
"Jersey 2.0 programmatic resource API looks great!",
"How could I live without Jersey ResourceConfig class??",
"Just wrote my first JAX-RS service using Jersey.",
"Jersey is the best RESTful framework ever.",
"JAX-RS rules the web services.",
"Jersey 2.0 is the new American idol!"
};
private static final String IMG_URI
= "http://files.softicons.com/download/internet-cons/halloween-avatars-icons-by-deleket/png/48/Voodoo%20Doll.png";
private final String rgbColor;
private volatile boolean running;
AbstractTestAggregator(String rgbColor) {
this.rgbColor = rgbColor;
}
@Override
public void start(final String keywords, final DataListener msgListener) {
msgListener.onStart();
running = true;
final Random rnd = new Random();
final String aggregatorPrefix = getPrefix();
Executors.newSingleThreadExecutor().submit(() -> {
final Client resourceClient = ClientBuilder.newClient();
resourceClient.register(new MoxyJsonFeature());
final WebTarget messageStreamResource = resourceClient.target(App.getApiUri()).path(getPath());
try {
while (running) {
final Message message = new Message(
aggregatorPrefix + " " + MESSAGES[rnd.nextInt(MESSAGES.length)],
rgbColor,
IMG_URI);
msgListener.onMessage(message);
final Response r = messageStreamResource.request().put(Entity.json(message));
if (r.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
LOGGER.warning("Unexpected PUT message response status code: " + r.getStatus());
}
Thread.sleep(rnd.nextInt(1000) + 750);
}
msgListener.onComplete();
} catch (Throwable t) {
LOGGER.log(Level.WARNING, "Waiting for a message has been interrupted.", t);
msgListener.onError();
}
});
}
@Override
public void stop() {
running = false;
}
/**
* Get relative path to the event stream.
*/
protected abstract String getPath();
/**
* Get message prefix to identify the concrete aggregator.
*
* @return message prefix (aggregator qualifier)
*/
protected abstract String getPrefix();
}