Java tutorial
/* * Copyright 2015 the original author or 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.springframework.social.wunderlist.api.impl.json; import com.fasterxml.jackson.core.JsonGenerator; import com.fasterxml.jackson.databind.JsonSerializer; import com.fasterxml.jackson.databind.SerializerProvider; import org.springframework.social.wunderlist.api.UpdateListData; import java.io.IOException; /** * @author Alexander Hanschke * @since 1.0.0 */ class UpdateListDataSerializer extends JsonSerializer<UpdateListData> { @Override public void serialize(UpdateListData data, JsonGenerator generator, SerializerProvider serializers) throws IOException { generator.writeStartObject(); write(generator, data); generator.writeEndObject(); } private void write(JsonGenerator generator, UpdateListData data) throws IOException { generator.writeNumberField("revision", data.getRevision()); if (data.isPublished() != null) { generator.writeBooleanField("public", data.isPublished()); } if (data.getTitle() != null) { generator.writeStringField("title", data.getTitle()); } } }