/
ServiceDeserializer.java
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/
ServiceDeserializer.java
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/*
* Copyright © 2015 The Gravitee team (http://gravitee.io)
*
* 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 io.gravitee.definition.jackson.datatype.services.core.deser;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.deser.std.StdScalarDeserializer;
import io.gravitee.definition.model.Service;
import java.io.IOException;
/**
* @author David BRASSELY (david.brassely at graviteesource.com)
* @author GraviteeSource Team
*/
public abstract class ServiceDeserializer<T extends Service> extends StdScalarDeserializer<T> {
public ServiceDeserializer(Class<T> vc) {
super(vc);
}
@Override
public T deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
JsonNode node = jsonParser.getCodec().readTree(jsonParser);
try {
T service = createServiceInstance();
deserialize(service, jsonParser, node, deserializationContext);
return service;
} catch (Exception ex) {
throw JsonMappingException.from(deserializationContext, ex.getMessage());
}
}
protected void deserialize(T service, JsonParser jsonParser, JsonNode node, DeserializationContext ctxt) throws IOException {
final JsonNode serviceEnabledNode = node.get("enabled");
if (serviceEnabledNode != null) {
service.setEnabled(serviceEnabledNode.asBoolean(false));
} else {
service.setEnabled(true);
}
}
private T createServiceInstance() throws Exception {
Class<? extends Service> serviceClass = (Class<? extends Service>) this.handledType();
return (T) serviceClass.newInstance();
}
}