Handle reception of ErrorPayload in WS.
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@ -32,15 +32,26 @@ public interface AbstractWS {
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return;
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}
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try {
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onReceivePayload(payload);
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} catch (Throwable t) {
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trySendAsJson(new ErrorPayload("Error handling payload: " + t));
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if (t instanceof Exception)
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logError("Error handling payload", t);
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else
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throw t;
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if (payload instanceof ErrorPayload errorPayload) {
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try {
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onReceiveErrorPayload(errorPayload);
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} catch(Exception e) {
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logError("Error while handling received error payload", e);
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}
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}
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else {
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try {
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onReceivePayload(payload);
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} catch (Throwable t) {
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trySendAsJson(new ErrorPayload("Error while handling your payload: " + t));
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if (t instanceof Exception)
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logError("Error while handling received payload", t);
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else
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throw t;
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}
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}
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}
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/**
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@ -62,6 +73,15 @@ public interface AbstractWS {
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*/
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void onReceivePayload(Payload payload);
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/**
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* Called on reception of a valid {@link ErrorPayload}.
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* @param error the received {@link ErrorPayload}.
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* @implNote default implementation will log the received error.
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*/
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default void onReceiveErrorPayload(ErrorPayload error) {
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logError("Received the following error from the remote side: " + error.message, error.throwable);
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}
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/**
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* Called on reception of a websocket Close packet.
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* The connection is closed after this method call.
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@ -49,12 +49,12 @@ public class PayloadRegistry {
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public static Payload fromString(String message) {
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String[] split = message.split(Pattern.quote(PAYLOAD_TYPE_SEPARATOR), 2);
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if (split.length != 2) {
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throw new IllegalArgumentException("Malformed message: does not respect format '<type>" + PAYLOAD_TYPE_SEPARATOR + "<jsonObject>'.");
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throw new IllegalArgumentException("Malformed message: does not respect format ‘<type>" + PAYLOAD_TYPE_SEPARATOR + "<jsonObject>’.");
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}
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Class<? extends Payload> detectedClass = payloadClasses.get(split[0]);
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if (detectedClass == null) {
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throw new IllegalArgumentException("Unrecognized data type '" + split[0] + "'.");
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throw new IllegalArgumentException("Unrecognized data type ‘" + split[0] + "’.");
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}
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try {
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