nmode's Git Repositories - signal-cli/blob - src/main/java/org/asamk/signal/JsonReceiveMessageHandler.java

   1 package org.asamk.signal;
   2
   3 import com.fasterxml.jackson.annotation.JsonAutoDetect;
   4 import com.fasterxml.jackson.annotation.PropertyAccessor;
   5 import com.fasterxml.jackson.core.JsonGenerator;
   6 import com.fasterxml.jackson.databind.DeserializationFeature;
   7 import com.fasterxml.jackson.databind.ObjectMapper;
   8 import com.fasterxml.jackson.databind.SerializationFeature;
   9 import com.fasterxml.jackson.databind.node.ObjectNode;
  10 import org.asamk.signal.manager.Manager;
  11 import org.whispersystems.signalservice.api.messages.SignalServiceContent;
  12 import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope;
  13
  14 import java.io.IOException;
  15
  16 public class JsonReceiveMessageHandler implements Manager.ReceiveMessageHandler {
  17
  18     final Manager m;
  19     private final ObjectMapper jsonProcessor;
  20
  21     public JsonReceiveMessageHandler(Manager m) {
  22         this.m = m;
  23         this.jsonProcessor = new ObjectMapper();
  24         jsonProcessor.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY); // disable autodetect
  25         jsonProcessor.enable(SerializationFeature.WRITE_NULL_MAP_VALUES);
  26         jsonProcessor.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
  27         jsonProcessor.disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET);
  28     }
  29
  30     @Override
  31     public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, Throwable exception) {
  32         ObjectNode result = jsonProcessor.createObjectNode();
  33         if (exception != null) {
  34             result.putPOJO("error", new JsonError(exception));
  35         }
  36         if (envelope != null) {
  37             result.putPOJO("envelope", new JsonMessageEnvelope(envelope, content));
  38         }
  39         try {
  40             jsonProcessor.writeValue(System.out, result);
  41             System.out.println();
  42         } catch (IOException e) {
  43             e.printStackTrace();
  44         }
  45     }
  46 }