code: /*
   * Copyright (C) 2008 Google Inc.
   *
   * 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 tools.com.google.gson;
  
  import java.lang.reflect.Type;
  
  /**
   * Context for deserialization that is passed to a custom deserializer during invocation of its
   * {@link JsonDeserializer#deserialize(JsonElement, Type, JsonDeserializationContext)}
   * method.
   *
   * @author Inderjeet Singh
   * @author Joel Leitch
   */
  public interface JsonDeserializationContext {
  
    /**
     * Invokes default deserialization on the specified object. It should never be invoked on
     * the element received as a parameter of the
     * {@link JsonDeserializer#deserialize(JsonElement, Type, JsonDeserializationContext)} method. Doing
     * so will result in an infinite loop since Gson will in-turn call the custom deserializer again.
     *
     * @param json the parse tree.
     * @param typeOfT type of the expected return value.
     * @param <T> The type of the deserialized object.
     * @return An object of type typeOfT.
     * @throws JsonParseException if the parse tree does not contain expected data.
     */
    public <T> T deserialize(JsonElement json, Type typeOfT) throws JsonParseException;
  }