signal-cli/src/main/java/org/asamk/signal/JsonReceiveMessageHandler.java

package org.asamk.signal;

import org.asamk.signal.json.JsonError;
import org.asamk.signal.json.JsonMessageEnvelope;
import org.asamk.signal.manager.Manager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.whispersystems.signalservice.api.messages.SignalServiceContent;
import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope;

import java.util.HashMap;

public class JsonReceiveMessageHandler implements Manager.ReceiveMessageHandler {

    private final static Logger logger = LoggerFactory.getLogger(JsonReceiveMessageHandler.class);

    protected final Manager m;
    private final JsonWriter jsonWriter;

    public JsonReceiveMessageHandler(Manager m) {
        this.m = m;
        jsonWriter = new JsonWriter(System.out);
    }

    @Override
    public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, Throwable exception) {
        final var object = new HashMap<String, Object>();
        if (exception != null) {
            object.put("error", new JsonError(exception));
        }
        if (envelope != null) {
            object.put("envelope", new JsonMessageEnvelope(envelope, content, m));
        }

        jsonWriter.write(object);
    }
}