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