Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package de.kaojo.chat; import de.kaojo.chat.model.Message; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.ObjectMapper; import java.util.logging.Level; import java.util.logging.Logger; import javax.websocket.EncodeException; import javax.websocket.Encoder; import javax.websocket.EndpointConfig; /** * * @author jwinter */ public class TextMessageEncoder implements Encoder.Text<Message> { @Override public String encode(Message object) throws EncodeException { ObjectMapper mapper = new ObjectMapper(); try { return mapper.writeValueAsString(object); } catch (JsonProcessingException ex) { Logger.getLogger(TextMessageEncoder.class.getName()).log(Level.SEVERE, null, ex); throw new EncodeException(object, "Could not encode Message", ex); } } @Override public void init(EndpointConfig config) { } @Override public void destroy() { } }