Java tutorial
/* * Copyright 2015-2016 Jeeva Kandasamy (jkandasa@gmail.com) * and other contributors as indicated by the @author tags. * * 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.mycontroller.standalone.api.jaxrs.mixins.serializers; import java.io.IOException; import org.mycontroller.standalone.db.NodeUtils.NODE_REGISTRATION_STATE; import com.fasterxml.jackson.core.JsonGenerator; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.JsonSerializer; import com.fasterxml.jackson.databind.SerializerProvider; import com.fasterxml.jackson.databind.annotation.JsonSerialize; /** * @author Jeeva Kandasamy (jkandasa) * @since 0.0.3 */ @JsonSerialize(using = NodeRegistrationStateSerializer.class) public class NodeRegistrationStateSerializer extends JsonSerializer<NODE_REGISTRATION_STATE> { @Override public void serialize(NODE_REGISTRATION_STATE state, JsonGenerator jgen, SerializerProvider provider) throws IOException, JsonProcessingException { if (state != null) { jgen.writeString(state.getText()); } else { jgen.writeNull(); } } }