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
  11 import org.asamk.signal.manager.Manager;
  12 import org.whispersystems.signalservice.api.messages.SignalServiceContent;
  13 import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope;
  14
  15 import java.io.IOException;
  16
  17 public class JsonReceiveMessageHandler implements Manager.ReceiveMessageHandler {
  18
  19     final Manager m;
  20     private final ObjectMapper jsonProcessor;
  21
  22     public JsonReceiveMessageHandler(Manager m) {
  23         this.m = m;
  24         this.jsonProcessor = new ObjectMapper();
  25         jsonProcessor.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY); // disable autodetect
  26         jsonProcessor.enable(SerializationFeature.WRITE_NULL_MAP_VALUES);
  27         jsonProcessor.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
  28         jsonProcessor.disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET);
  29     }
  30
  31     @Override
  32     public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, Throwable exception) {
  33         ObjectNode result = jsonProcessor.createObjectNode();
  34         if (exception != null) {
  35             result.putPOJO("error", new JsonError(exception));
  36         }
  37         if (envelope != null) {
  38             result.putPOJO("envelope", new JsonMessageEnvelope(envelope, content));
  39         }
  40         try {
  41             jsonProcessor.writeValue(System.out, result);
  42             System.out.println();
  43         } catch (IOException e) {
  44             e.printStackTrace();
  45         }
  46     }
  47 }