Java tutorial
/** * Copyright 2015 Groupon.com * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.arpnetworking.configuration.jackson.akka; import akka.actor.ActorRef; import akka.actor.ActorSystem; import com.arpnetworking.logback.annotations.LogValue; import com.arpnetworking.steno.LogValueMapFactory; import com.fasterxml.jackson.core.JsonGenerator; import com.fasterxml.jackson.databind.JsonSerializer; import com.fasterxml.jackson.databind.SerializerProvider; import java.io.IOException; /** * Serializer for an Akka ActorRef. * * @author Brandon Arp (brandonarp at gmail dot com) */ public class ActorRefSerializer extends JsonSerializer<ActorRef> { /** * Public constructor. * * @param system actor system to use to resolve references */ public ActorRefSerializer(final ActorSystem system) { _system = system; } /** * {@inheritDoc} */ @Override public void serialize(final ActorRef value, final JsonGenerator gen, final SerializerProvider serializers) throws IOException { gen.writeString(value.path().toStringWithAddress(_system.provider().getDefaultAddress())); } /** * Generate a Steno log compatible representation. * * @return Steno log compatible representation. */ @LogValue public Object toLogValue() { return LogValueMapFactory.builder(this).put("actorSystem", _system).build(); } /** * {@inheritDoc} */ @Override public String toString() { return toLogValue().toString(); } private final ActorSystem _system; }