| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.ranger.policyengine; |
| |
| import java.lang.reflect.Type; |
| |
| import org.apache.ranger.plugin.policyengine.RangerAccessResource; |
| import org.apache.ranger.plugin.policyengine.RangerAccessResourceImpl; |
| |
| import com.google.gson.Gson; |
| import com.google.gson.GsonBuilder; |
| import com.google.gson.JsonDeserializationContext; |
| import com.google.gson.JsonDeserializer; |
| import com.google.gson.JsonElement; |
| import com.google.gson.JsonParseException; |
| |
| /** |
| * {@link JsonDeserializer} to assist {@link Gson} with selecting proper type |
| * when encountering RangerAccessResource interface in the source json. |
| */ |
| public class RangerResourceDeserializer implements JsonDeserializer<RangerAccessResource> { |
| |
| private GsonBuilder gsonBuilder; |
| |
| public RangerResourceDeserializer(final GsonBuilder builder) { |
| this.gsonBuilder = builder; |
| } |
| |
| @Override |
| public RangerAccessResource deserialize(JsonElement jsonObj, Type type, JsonDeserializationContext context) throws JsonParseException { |
| return gsonBuilder.create().fromJson(jsonObj, RangerAccessResourceImpl.class); |
| } |
| } |