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package org.javaee7.websocket.whiteboard;
import java.io.StringReader;
import java.lang.invoke.MethodHandles;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.json.Json;
import javax.json.JsonException;
import javax.json.JsonObject;
import javax.websocket.DecodeException;
import javax.websocket.Decoder;
import javax.websocket.EndpointConfig;
/**
* @author Arun Gupta
*/
public class FigureDecoder implements Decoder.Text<Figure> {
private static final Logger LOGGER = Logger.getLogger(FigureDecoder.class.getName());
@Override
public Figure decode(String string) throws DecodeException {
LOGGER.log(Level.INFO, "decoding: {0}", string);
JsonObject jsonObject = Json.createReader(new StringReader(string)).readObject();
return new Figure(jsonObject);
}
@Override
public boolean willDecode(String string) {
try {
Json.createReader(new StringReader(string)).readObject();
return true;
} catch (JsonException ex) {
LOGGER.log(Level.SEVERE, ex.getMessage(), ex);
return false;
}
}
@Override
public void init(EndpointConfig ec) {
}
@Override
public void destroy() {
}
}