Java tutorial
/* * Copyright 2013 - 2017 The Original Authors * * 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 org.elasticsoftware.elasticactors.base.serialization; import com.fasterxml.jackson.core.JsonParser; import com.fasterxml.jackson.core.JsonToken; import com.fasterxml.jackson.databind.DeserializationContext; import com.fasterxml.jackson.databind.deser.std.StdScalarDeserializer; import org.elasticsoftware.elasticactors.cluster.scheduler.ScheduledMessageRefFactory; import org.elasticsoftware.elasticactors.scheduler.ScheduledMessageRef; import java.io.IOException; /** * */ public final class JacksonScheduledMessageRefDeserializer extends StdScalarDeserializer<ScheduledMessageRef> { private final ScheduledMessageRefFactory scheduledMessageRefFactory; public JacksonScheduledMessageRefDeserializer(ScheduledMessageRefFactory scheduledMessageRefFactory) { super(ScheduledMessageRef.class); this.scheduledMessageRefFactory = scheduledMessageRefFactory; } @Override public ScheduledMessageRef deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException { JsonToken curr = jp.getCurrentToken(); // Usually should just get string value: if (curr == JsonToken.VALUE_STRING) { return scheduledMessageRefFactory.create(jp.getText()); } throw ctxt.mappingException(_valueClass, curr); } }