org.atmosphere.samples.springboot.ChatService Maven / Gradle / Ivy
/*
* Copyright 2012-2015 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.atmosphere.samples.springboot;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.atmosphere.config.managed.Decoder;
import org.atmosphere.config.managed.Encoder;
import org.atmosphere.config.service.Disconnect;
import org.atmosphere.config.service.ManagedService;
import org.atmosphere.config.service.Ready;
import org.atmosphere.cpr.AtmosphereResource;
import org.atmosphere.cpr.AtmosphereResourceEvent;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
@ManagedService(path = "/chat")
public class ChatService {
private final Logger logger = LoggerFactory.getLogger(ChatService.class);
@Ready
public void onReady(final AtmosphereResource resource) {
this.logger.info("Connected", resource.uuid());
}
@Disconnect
public void onDisconnect(AtmosphereResourceEvent event) {
this.logger.info("Client {} disconnected [{}]", event.getResource().uuid(),
(event.isCancelled() ? "cancelled" : "closed"));
}
@org.atmosphere.config.service.Message(encoders = JacksonEncoderDecoder.class, decoders = JacksonEncoderDecoder.class)
public Message onMessage(Message message) throws IOException {
this.logger.info("Author {} sent message {}", message.getAuthor(),
message.getMessage());
return message;
}
public static class JacksonEncoderDecoder implements Encoder,
Decoder {
private final ObjectMapper mapper = new ObjectMapper();
@Override
public String encode(Message m) {
try {
return this.mapper.writeValueAsString(m);
}
catch (IOException ex) {
throw new IllegalStateException(ex);
}
}
@Override
public Message decode(String s) {
try {
return this.mapper.readValue(s, Message.class);
}
catch (IOException ex) {
throw new IllegalStateException(ex);
}
}
}
}